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therapy</title> <meta name="description" content="Search results for: ozone therapy"> <meta name="keywords" content="ozone therapy"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="ozone therapy"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 2129</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: ozone therapy</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2129</span> Biostimulation Effect of Ozone Therapy and Superficial Peeling on Facial Rejuvenation: A Case Report and Literature Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ferreira%20R.">Ferreira R.</a>, <a href="https://publications.waset.org/abstracts/search?q=Rocha%20K."> Rocha K.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone therapy is indicated for improving skin aesthetics, adjusting oxidative tissue levels, increasing collagen production, and even skin volumizing. This paper aims to carry out a case report that demonstrates the positive results of ozone therapy in association with superficial peeling. The application in association showed positive results for bio-stimulating activities in the reported case demonstrating to be a viable clinical technique. The bio-stimulating effect of ozone therapy in association with peeling is a promising aesthetic therapeutic modality with fast and safe results as an aesthetic therapeutic option. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bio-stimulating%20effect" title="bio-stimulating effect">bio-stimulating effect</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20therapy" title=" ozone therapy"> ozone therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=neocollagenesis" title=" neocollagenesis"> neocollagenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=peeling" title=" peeling"> peeling</a> </p> <a href="https://publications.waset.org/abstracts/157129/biostimulation-effect-of-ozone-therapy-and-superficial-peeling-on-facial-rejuvenation-a-case-report-and-literature-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157129.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2128</span> Biostimulation and Muscular Ergogenic Effect of Ozone Therapy on Buttock Augmentation: A Case Report and Literature Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ferreira%20R.">Ferreira R.</a>, <a href="https://publications.waset.org/abstracts/search?q=Rocha%20K."> Rocha K.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone therapy is indicated for improving skin aesthetics, bio-stimulating and ergogenic effect. This paper aims to carry out a case report that demonstrates the positive results of ozone therapy in buttock augmentation. The application showed positive results for skin bio stimulating, neocollagenesis, adipogenesis, and ergogenic muscle effect in the reported case, demonstrating to be a viable clinical technique. Buttock augmentation with ozone therapy is a promising aesthetic therapeutic modality with fast and safe results as an aesthetic therapeutic option for buttock augmentation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bio-stimulating%20effect" title="bio-stimulating effect">bio-stimulating effect</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20therapy" title=" ozone therapy"> ozone therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=muscular%20ergogenic" title=" muscular ergogenic"> muscular ergogenic</a>, <a href="https://publications.waset.org/abstracts/search?q=buttock%20augmentation" title=" buttock augmentation"> buttock augmentation</a> </p> <a href="https://publications.waset.org/abstracts/157131/biostimulation-and-muscular-ergogenic-effect-of-ozone-therapy-on-buttock-augmentation-a-case-report-and-literature-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157131.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2127</span> Ozone Therapy and Pulsed Electromagnetic Fields Interplay in Controlling Tumor Growth, Symptom and Pain Management: A Case Report </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20F.%20Pollo%20Gaspary">J. F. Pollo Gaspary</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Peron%20Gaspary"> F. Peron Gaspary</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20M.%20Sim%C3%A3o"> E. M. Simão</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Concatto%20Beltrame"> R. Concatto Beltrame</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Orengo%20de%20Oliveira"> G. Orengo de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20S.%20Ristow%20Ferreira"> M. S. Ristow Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Sartori%20Thies"> F. Sartori Thies</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20F.%20Minello"> I. F. Minello</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20dos%20Santos%20de%20Oliveira"> F. dos Santos de Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The immune system has evolved several mechanisms to protect the host against cancer, and it has now been suggested that the expansion of its functions may prevent tumor growth and control the symptoms of cancer patients. Two techniques, ozone therapy and pulsed electromagnetic fields (PEMF), are independently associated with an increase in the immune system functions and they maybe help palliative care of patients in these conditions. Case Report: A patient with rectal adenocarcinoma with metastases decides to interrupt the clinical chemotherapy protocol due to refractoriness and side effects. As a palliative care alternative treatment it is suggested to the patient the use of ozone therapy associated with PEMF techniques. Results: The patient reports an improvement in well-being, in autonomy and in pain control. Imaging tests confirm a pause in tumor growth despite more than 60 days without using classic treatment. These results associated with palliative care alternative treatment stimulate the return to the chemotherapy protocol. Discussion: This case illustrates that these two techniques can contribute to the control of tumor growth and refractory symptoms, such as pain, probably by enhancing the immune system. Conclusions: The potential use of the combination of these two therapies, ozone therapy and PEMF therapy, can contribute to palliation of cancer patients, alone or in combination with pharmacological therapies. The conduct of future investigations on this paradigm can elucidate how much these techniques contribute to the survival and well-being of these patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cancer" title="cancer">cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=complementary%20and%20alternative%20medicine" title=" complementary and alternative medicine "> complementary and alternative medicine </a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20therapy" title=" ozone therapy"> ozone therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=palliative%20care" title=" palliative care"> palliative care</a>, <a href="https://publications.waset.org/abstracts/search?q=PEMF%20therapy" title=" PEMF therapy"> PEMF therapy</a> </p> <a href="https://publications.waset.org/abstracts/129242/ozone-therapy-and-pulsed-electromagnetic-fields-interplay-in-controlling-tumor-growth-symptom-and-pain-management-a-case-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129242.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">155</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2126</span> Characterization of Urban Ozone Pollution in Summer and Analysis of Influencing Factors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gao%20Fangting">Gao Fangting</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone acts as an atmospheric shield, protecting organisms from ultraviolet radiation by absorbing it. Currently, a large amount of international environmental epidemiology has confirmed that short- and long-term exposure to ozone has significant effects on population health. Near-surface ozone, as a secondary pollutant in the atmosphere, not only negatively affects the production activities of living organisms but also damages ecosystems and affects climate change to some extent. In this paper, using the hour-by-hour ozone observations given by ground meteorological stations in four cities, namely Beijing, Kunming, Xining, and Guangzhou, from 2015 to 2017, the number of days of exceedance and the long-term change characteristics of ozone are analyzed by using the time series analysis method. On this basis, the effects of changes in meteorological conditions on ozone concentration were discussed in conjunction with the same period of meteorological data, and the similarities and differences of near-surface ozone in different cities were comparatively analyzed to establish a relevant quantitative model of near-surface ozone. This study found that ozone concentrations were highest during the summer months of the year, that ozone concentrations were strongly correlated with meteorological conditions, and that none of the four cities had ozone concentrations that reached the threshold for causing disease. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone" title="ozone">ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=meteorological%20conditions" title=" meteorological conditions"> meteorological conditions</a>, <a href="https://publications.waset.org/abstracts/search?q=pollution" title=" pollution"> pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=health" title=" health"> health</a> </p> <a href="https://publications.waset.org/abstracts/188385/characterization-of-urban-ozone-pollution-in-summer-and-analysis-of-influencing-factors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188385.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">30</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2125</span> Occurrence of High Nocturnal Surface Ozone at a Tropical Urban Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Dey">S. Dey</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Sibanda"> P. Sibanda</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Gupta"> S. Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Chakraborty"> A. Chakraborty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The occurrence of high nocturnal surface ozone over a tropical urban area (23̊ 32′16.99″ N and 87̊ 17′ 38.95″ E) is analyzed in this paper. Five incidences of nocturnal ozone maxima are recorded during the observational span of two years (June, 2013 to May, 2015). The maximum and minimum values of the surface ozone during these five occasions are 337.630 μg/m<sup>3</sup> and 13.034 μg/m<sup>3</sup> respectively. HYSPLIT backward trajectory analyses and wind rose diagrams support the horizontal transport of ozone from distant polluted places. Planetary boundary layer characteristics, concentration of precursor (NO<sub>2</sub>) and meteorology are found to play important role in the horizontal and vertical transport of surface ozone during nighttime. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nocturnal%20ozone" title="nocturnal ozone">nocturnal ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=planetary%20boundary%20layer" title=" planetary boundary layer"> planetary boundary layer</a>, <a href="https://publications.waset.org/abstracts/search?q=horizontal%20transport" title=" horizontal transport"> horizontal transport</a>, <a href="https://publications.waset.org/abstracts/search?q=meteorology" title=" meteorology"> meteorology</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20area" title=" urban area"> urban area</a> </p> <a href="https://publications.waset.org/abstracts/53051/occurrence-of-high-nocturnal-surface-ozone-at-a-tropical-urban-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53051.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">285</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2124</span> Ozone Therapy for Disc Herniation: A Non-surgical Option</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahzad%20Karim%20Bhatti">Shahzad Karim Bhatti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Ozone is a combination of oxygen and can be used in treatment of low back pain due to herniated disc. It is a minimally invasive procedure using biochemical properties of ozone resulting in reduced volume of disc and inflammation resulting in significant pain relief. Aim: The purpose of this study was to evaluate the effectiveness of ozone therapy in combination with peri-ganglionic injection of local anesthetic and corticosteroid. Material and Methods: This retrospective study was done at the Interventional Radiology Department of Mayo Hospital, Lahore. A total of 49000 patients were included from January 2008 to March 2022. All the patients presented with clinical signs and symptoms of lumber disc herniation, which was confirmed by a MRI scan of the lumbar sacral spine. The pain reduction was calculated using modified MacNab method. All the patients underwent percutaneous injection of ozone at a concentration of 27 micrograms/ml to lumber disc under fluoroscopic guidance with combination of local anesthetic and corticosteroid in peri-ganglionic space. Results were evaluated by two expert observers who were blinded to patient treatment. Results A satisfactory therapeutic outcome was obtained. 55% of the patients showed complete recovery with resolution of symptoms. 20% of the patients complained of occasional episodic pain with no limitation of occupational activity. 15% of cases showed insufficient improvement. 5% of cases had insufficient improvement and went for surgery. 10% of cases never turned up after the first visit. Conclusion Intradiscal ozone for the treatment of herniated discs has revolutionized percutaneous approach to nerve root compression making it safer, economical and easier to repeat without any side effects than treatments currently used in Pakistan. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pain" title="pain">pain</a>, <a href="https://publications.waset.org/abstracts/search?q=prolapse" title=" prolapse"> prolapse</a>, <a href="https://publications.waset.org/abstracts/search?q=Ozone" title=" Ozone"> Ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=backpain" title=" backpain"> backpain</a> </p> <a href="https://publications.waset.org/abstracts/188838/ozone-therapy-for-disc-herniation-a-non-surgical-option" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188838.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">27</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2123</span> DIAL Measurements of Vertical Distribution of Ozone at the Siberian Lidar Station in Tomsk</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oleg%20A.%20Romanovskii">Oleg A. Romanovskii</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20D.%20Burlakov"> Vladimir D. Burlakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergey%20I.%20Dolgii"> Sergey I. Dolgii</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20V.%20Kharchenko"> Olga V. Kharchenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20A.%20Nevzorov"> Alexey A. Nevzorov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20V.%20Nevzorov"> Alexey V. Nevzorov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper presents the results of DIAL measurements of the vertical ozone distribution. The ozone lidar operate as part of the measurement complex at Siberian Lidar Station (SLS) of V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk (56.5ºN; 85.0ºE) and designed for study of the vertical ozone distribution in the upper troposphere–lower stratosphere. Most suitable wavelengths for measurements of ozone profiles are selected. We present an algorithm for retrieval of vertical distribution of ozone with temperature and aerosol correction during DIAL lidar sounding of the atmosphere. The temperature correction of ozone absorption coefficients is introduced in the software to reduce the retrieval errors. Results of lidar measurement at wavelengths of 299 and 341 nm agree with model estimates, which point to acceptable accuracy of ozone sounding in the 6–18 km altitude range. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lidar" title="lidar">lidar</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20distribution" title=" ozone distribution"> ozone distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=atmosphere" title=" atmosphere"> atmosphere</a>, <a href="https://publications.waset.org/abstracts/search?q=DIAL" title=" DIAL"> DIAL</a> </p> <a href="https://publications.waset.org/abstracts/46524/dial-measurements-of-vertical-distribution-of-ozone-at-the-siberian-lidar-station-in-tomsk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46524.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">497</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2122</span> Climate Change and Food Security: Effects of Ozone on Crops in North-West Pakistan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Nauman%20Ahmad">Muhammad Nauman Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Patrick%20B%C3%BCker"> Patrick Büker</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofia%20Khalid"> Sofia Khalid</a>, <a href="https://publications.waset.org/abstracts/search?q=Leon%20Van%20Den%20Berg"> Leon Van Den Berg</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Ullah%20Shah"> Hamid Ullah Shah</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Wahid"> Abdul Wahid</a>, <a href="https://publications.waset.org/abstracts/search?q=Lisa%20Emberson"> Lisa Emberson</a>, <a href="https://publications.waset.org/abstracts/search?q=Sally%20A.%20Power"> Sally A. Power</a>, <a href="https://publications.waset.org/abstracts/search?q=Mike%20Ashmore"> Mike Ashmore</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although ozone is well-documented to affect crop yields in the densely populated Indo-Gangetic Plain, there is little knowledge of its effects around cities in more remote areas of South Asia. We surveyed crops around the city of Peshawar, Pakistan for visible injury, linking this to passive measurements of ozone concentrations. Foliar injury was found in the field on potato, onion and cotton when the mean monthly ozone concentration reached 35-55ppb. The symptoms on onion were reproduced in ozone fumigation experiments, which also showed that daytime ozone concentrations of 60ppb and above significantly reduce the growth of Pakistani varieties of both spinach (Beta vulgaris) and onion. Aphid infestation on spinach was also reduced at these elevated ozone concentrations. The ozone concentrations in Peshawar are comparable to those through many parts of northern south Asia, where ozone may therefore be a significant threat to sensitive vegetable crops in peri-urban regions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone" title="ozone">ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20pollution" title=" air pollution"> air pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetable%20crops" title=" vegetable crops"> vegetable crops</a>, <a href="https://publications.waset.org/abstracts/search?q=peshawar" title=" peshawar"> peshawar</a>, <a href="https://publications.waset.org/abstracts/search?q=south%20asia" title=" south asia"> south asia</a> </p> <a href="https://publications.waset.org/abstracts/20539/climate-change-and-food-security-effects-of-ozone-on-crops-in-north-west-pakistan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20539.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">740</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2121</span> Removal of Deposits and Improvement of Shelf Life in CO₂-Rich Mineral Water by Ozone-Microbubbles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Un%20Hwa%20Choe">Un Hwa Choe</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong%20Hyon%20Choe"> Jong Hyon Choe</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Jun%20Kim"> Yong Jun Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to effectively remove Fe2+ by using ozone microbubbles in bottled mineral water to prevent sediment from occurring during storage and increase shelf life. By considering the characteristics of mineral water with low solubility of ozone and high CO2 content, a suitable ozone injection step was chosen and a new mineral water treatment method using microbubbles was proposed. As a result of the treatment of the bottled mineral water with ozone microbubbles, the iron ion concentration was reduced from 0.14 mg/L to 0.01 mg/L, and the shelf life increased to 360 days. During the treatment, the concentrations of K+ and Na+ were almost unchanged, and the deposition time was reduced to one-third compared to the natural oxidation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CO%E2%82%82-rich%20mineral%20water" title="CO₂-rich mineral water">CO₂-rich mineral water</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone-micro%20bubble" title=" ozone-micro bubble"> ozone-micro bubble</a>, <a href="https://publications.waset.org/abstracts/search?q=shelf%20life" title=" shelf life"> shelf life</a>, <a href="https://publications.waset.org/abstracts/search?q=bottled%20mineral%20water" title=" bottled mineral water"> bottled mineral water</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/178817/removal-of-deposits-and-improvement-of-shelf-life-in-co2-rich-mineral-water-by-ozone-microbubbles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178817.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">85</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2120</span> Clouds Influence on Atmospheric Ozone from GOME-2 Satellite Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Samkeyat%20Shohan">S. M. Samkeyat Shohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is mainly focused on the determination and analysis of the photolysis rate of atmospheric, specifically tropospheric, ozone as function of cloud properties through-out the year 2007. The observational basis for ozone concentrations and cloud properties are the measurement data set of the Global Ozone Monitoring Experiment-2 (GOME-2) sensor on board the polar orbiting Metop-A satellite. Two different spectral ranges are used; ozone total column are calculated from the wavelength window 325 – 335 nm, while cloud properties, such as cloud top height (CTH) and cloud optical thick-ness (COT) are derived from the absorption band of molecular oxygen centered at 761 nm. Cloud fraction (CF) is derived from measurements in the ultraviolet, visible and near-infrared range of GOME-2. First, ozone concentrations above clouds are derived from ozone total columns, subtracting the contribution of stratospheric ozone and filtering those satellite measurements which have thin and low clouds. Then, the values of ozone photolysis derived from observations are compared with theoretical modeled results, in the latitudinal belt 5˚N-5˚S and 20˚N - 20˚S, as function of CF and COT. In general, good agreement is found between the data and the model, proving both the quality of the space-borne ozone and cloud properties as well as the modeling theory of ozone photolysis rate. The found discrepancies can, however, amount to approximately 15%. Latitudinal seasonal changes of photolysis rate of ozone are found to be negatively correlated to changes in upper-tropospheric ozone concentrations only in the autumn and summer months within the northern and southern tropical belts, respectively. This fact points to the entangled roles of temperature and nitrogen oxides in the ozone production, which are superimposed on its sole photolysis induced by thick and high clouds in the tropics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloud%20properties" title="cloud properties">cloud properties</a>, <a href="https://publications.waset.org/abstracts/search?q=photolysis%20rate" title=" photolysis rate"> photolysis rate</a>, <a href="https://publications.waset.org/abstracts/search?q=stratospheric%20ozone" title=" stratospheric ozone"> stratospheric ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=tropospheric%20ozone" title=" tropospheric ozone"> tropospheric ozone</a> </p> <a href="https://publications.waset.org/abstracts/85744/clouds-influence-on-atmospheric-ozone-from-gome-2-satellite-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85744.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">211</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2119</span> Inactivation Kinetics of DNA and RNA Viruses by Ozone-Air Mixture in a Flow Mixer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nikolai%20Nosik">Nikolai Nosik</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladislav%20Podmasterjev"> Vladislav Podmasterjev</a>, <a href="https://publications.waset.org/abstracts/search?q=Nina%20Kondrashina"> Nina Kondrashina</a>, <a href="https://publications.waset.org/abstracts/search?q=Marina%20Chataeva"> Marina Chataeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Lobach"> Olga Lobach</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20Noosik"> Dmitry Noosik</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergei%20Razumovskii"> Sergei Razumovskii</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Virucidal activity of ozone is well known: dissolved in water it kill viruses very fast. The virucidal capacity of ozone in ozone-air mixture is less known. The goal of the study was to investigate the virucidal potentials of the ozone–air mixture and kinetics of virus inactivation. Materials and methods. Ozone (O3 ) was generated from oxygen with ozonizer ( 1.0 – 75.0 mg\l). The ozone concentration was determined by the spectrophotometric methods. Virus contaminated samples were placed into the flowing reactor. Viruses: poliovirus type 1, vaccine strain (Sabin) and adenovirus, type 5, were obtained from the State virus collection. Titrations of viruses were carried out in appropriate cell cultures. CxT value ( mg\l x min) was calculated. Results. Metallic, polycarbonic and fiber “Kevlar” samples were contaminated with virus, dried and treated with ozone-air mixture in the flowing reactor. Kinetics of poliovirus inactivation: in 15 min at 5.0 mg\l -2.0 lg TCID50 inhibition , in 15 min at 10 mg\l – 2.5 lg TCID50 , 4.0 lg TCID50 inactivation of poliovirus was achieved after 75min at ozone concentration 20.0mg\l (99.99%). ( CxT = 75, 150 and 1500 mg\l x min on all three types of surfaces). It was found that the inactivation of poliovirus was more effective when the virus contaminated samples were wet (in 15 min at 20mg\l inhibition of virus in dry samples was 2.0 TCID50 , in wet samples – 4.0 TCID50). Adenovirus was less resistant to ozone treatment then poliovirus: 4.0 lg TCID50 inhibition was observed after 30 min of the treatment with ozone at 20mg\l ( CxT mg\l x min = 300 for adenovirus as for poliovirus it was 1500). Conclusion. It was found that ozone-air mixture inactivates viruses at rather high concentrations (compared to the reported effect of ozone dissolved in water). Despite of that there is a difference in the resistance to ozone action between viruses – poliovirus is more resistant then adenovirus-ozone-air mixture can be used for disinfection of large rooms. The maintaining of the virus-contaminated surfaces in wet condition allow to decrease the ozone load for virus inactivation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adenovirus" title="adenovirus">adenovirus</a>, <a href="https://publications.waset.org/abstracts/search?q=disinfection" title=" disinfection"> disinfection</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=poliovirus" title=" poliovirus"> poliovirus</a> </p> <a href="https://publications.waset.org/abstracts/68910/inactivation-kinetics-of-dna-and-rna-viruses-by-ozone-air-mixture-in-a-flow-mixer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68910.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">355</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2118</span> Ozone Treatment in Textile Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Umut%20%C3%87%C4%B1nar">Umut Çınar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The fact that ozone gas has color bleaching properties has made the use of ozone gas widespread in the textile sector as well as in many other sectors. Ozone gas, which is a strong oxidative agent on the fabric, causes the paint on the fabric to wear off and lighten its color with an aged appearance. Within the scope of this thesis, parameters affecting the bleaching properties of ozone gas on reactive dyed knitted fabric, which is rare in the literature, were investigated. Ozone concentration, time, and pH values were analyzed with the Box Behnken experimental design method, and optimum conditions were determined. After the experiments, wear and opacity values were measured with the help of a spectrophotometer. With the help of the Design Expert program, the graphics related to the data were prepared and interpreted with Box Behnken and ANOVA. These experiments on reactive dyed knitted fabric were tested on these parameters, and the spectrophotometric values of the fabric and optimum parameters in abrasion and opacity were revealed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone" title="ozone">ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=reactive%20dye" title=" reactive dye"> reactive dye</a>, <a href="https://publications.waset.org/abstracts/search?q=bleaching" title=" bleaching"> bleaching</a>, <a href="https://publications.waset.org/abstracts/search?q=textile" title=" textile"> textile</a>, <a href="https://publications.waset.org/abstracts/search?q=garment%20wash" title=" garment wash"> garment wash</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=washing" title=" washing"> washing</a>, <a href="https://publications.waset.org/abstracts/search?q=Box%E2%80%93Behnken" title=" Box–Behnken"> Box–Behnken</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental%20design" title=" experimental design"> experimental design</a> </p> <a href="https://publications.waset.org/abstracts/168203/ozone-treatment-in-textile-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">70</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2117</span> Heterogeneous Catalytic Ozonation of Diethyl Phthalate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chedly%20Tizaoui">Chedly Tizaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussain%20Mohammed"> Hussain Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=Lobna%20Mansouri"> Lobna Mansouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Nidal%20Hilal"> Nidal Hilal</a>, <a href="https://publications.waset.org/abstracts/search?q=Latifa%20Bousselmi"> Latifa Bousselmi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The degradation of diethyl phthalate (DEP) was studied using heterogeneous catalytic ozonation. Activated carbon was used as a catalyst. The degradation of DEP with ozone alone was slow while catalytic ozonation increased degradation rates. Second-order reaction kinetics was used to describe the experimental data, and the corresponding rate constant values were 1.19 and 3.94 M-1.s-1 for ozone and ozone/activated carbon respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone" title="ozone">ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=heterogeneous%20catalytic%20ozonation" title=" heterogeneous catalytic ozonation"> heterogeneous catalytic ozonation</a>, <a href="https://publications.waset.org/abstracts/search?q=diethyl%20phthalate" title=" diethyl phthalate"> diethyl phthalate</a>, <a href="https://publications.waset.org/abstracts/search?q=endocrine%20disrupting%20chemicals" title=" endocrine disrupting chemicals"> endocrine disrupting chemicals</a> </p> <a href="https://publications.waset.org/abstracts/67074/heterogeneous-catalytic-ozonation-of-diethyl-phthalate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67074.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">347</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2116</span> Efficient Compact Micro Dielectric Barrier Discharge (DBD) Plasma Reactor for Ozone Generation for Industrial Application in Liquid and Gas Phase Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Kuvshinov">D. Kuvshinov</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Siswanto"> A. Siswanto</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Lozano-Parada"> J. Lozano-Parada</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Zimmerman"> W. Zimmerman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone is well known as a powerful fast reaction rate oxidant. The ozone based processes produce no by-product left as a non-reacted ozone returns back to the original oxygen molecule. Therefore an application of ozone is widely accepted as one of the main directions for a sustainable and clean technologies development. There are number of technologies require ozone to be delivered to specific points of a production network or reactors construction. Due to space constrains, high reactivity and short life time of ozone the use of ozone generators even of a bench top scale is practically limited. This requires development of mini/micro scale ozone generator which can be directly incorporated into production units. Our report presents a feasibility study of a new micro scale rector for ozone generation (MROG). Data on MROG calibration and indigo decomposition at different operation conditions are presented. At selected operation conditions with residence time of 0.25 s the process of ozone generation is not limited by reaction rate and the amount of ozone produced is a function of power applied. It was shown that the MROG is capable to produce ozone at voltage level starting from 3.5kV with ozone concentration of 5.28E-6 (mol/L) at 5kV. This is in line with data presented on numerical investigation for a MROG. It was shown that in compare to a conventional ozone generator, MROG has lower power consumption at low voltages and atmospheric pressure. The MROG construction makes it applicable for emerged and dry systems. With a robust compact design MROG can be used as incorporated unit for production lines of high complexity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dielectric%20barrier%20discharge%20%28DBD%29" title="dielectric barrier discharge (DBD)">dielectric barrier discharge (DBD)</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20reactor" title=" micro reactor"> micro reactor</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma" title=" plasma"> plasma</a> </p> <a href="https://publications.waset.org/abstracts/3392/efficient-compact-micro-dielectric-barrier-discharge-dbd-plasma-reactor-for-ozone-generation-for-industrial-application-in-liquid-and-gas-phase-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3392.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">338</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2115</span> Impact of Ozone Produced by Vehicular Emission on Chronic Obstructive Pulmonary Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Kamil%20Vakil">Mohd Kamil Vakil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Air Pollution is caused by the introduction of chemicals in the biosphere. Primary pollutants on reaction with the components of the earth produce Secondary Pollutants like Smog. Ozone is the main ingredient of Smog. The ground level ozone is created by the chemical reactions between Nitrogen Oxides (NOx) and Volatile Organic Compounds (VOCs) in the presence of Sunlight. This ozone can enter inside and call as indoor ozone. The automobile emissions in both moving and idling conditions contribute to the indoor ozone formation. During engine ignition and shutdown, motor vehicles emit the ozone forming pollutants like NOx and VOCs, and the phenomena are called Cold Start and Hot-Soak respectively. Subjects like Chronic Obstructive Pulmonary Disease (COPD) and asthma associated with chronic respiratory diseases are susceptible to the harmful effects of Indoor Ozone. The most common cause of COPD other than smoking is the long-term contract with harmful pollutants like ground-level ozone. It is estimated by WHO that COPD will become the third leading cause of all deaths worldwide by 2030. In this paper, the cold-start and hot-soak vehicle emissions are studied in the context of accumulation of oxides of nitrogen at the outer walls of the building which may cause COPD. The titanium oxide coated building material is further discussed as an absorber of NOx when applied to the walls and roof. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=indoor%20air%20quality" title="indoor air quality">indoor air quality</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20start%20emission" title=" cold start emission"> cold start emission</a>, <a href="https://publications.waset.org/abstracts/search?q=hot-soak" title=" hot-soak"> hot-soak</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a> </p> <a href="https://publications.waset.org/abstracts/82188/impact-of-ozone-produced-by-vehicular-emission-on-chronic-obstructive-pulmonary-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82188.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">204</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2114</span> Fumigant Insecticidal Efficacy of Ozone Gas (O₃) Towards Tribolium castaneum and Cryptolestes ferrugineus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Saleem">S. Saleem</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20J.%20Mason"> L. J. Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hasan"> M. Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sagheer"> M. Sagheer</a>, <a href="https://publications.waset.org/abstracts/search?q=Q.%20Ali"> Q. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Akhtar"> S. Akhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20M.%20S.%20Hanif"> C. M. S. Hanif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone has been documented as a potential fumigant against major insect pests of stored commodities due to its highly oxidative properties. Present studies were conducted in the Smith Hall (Department of Entomology), Purdue University, USA, to examine the fumigant toxicities of ozone gas (O₃) against stored grain insect pests. Adults of Tribolium castaneum and Cryptolestes ferrugineus were exposed to different concentrations (100, 200, 480, 700, and 800 ppm) of ozone gas. Test insects were fumigated by keeping a constant temperature of 27 ± 2 °C and 75 ± 5% relative humidity, while dead insects were recorded after 6, 12, 18, 24, 30, and 36 hr of treatment. C. ferrugineus was found susceptible, with mean mortality of 90.99% as compared to T. castaneum (53.22%). Fumigation, even with lower concentrations (100 ppm) of ozone gas for 36 hr, exhibited 100% mortality against C. ferrugineus. Mortality increased with the increase in concentration and exposure time. 100% mortality was achieved with 800 ppm concentration after 18hr of treatment against T. castaneum and with 700 ppm after 6 hr of treatment against C. ferrugineus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone%20gas" title="ozone gas">ozone gas</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity" title=" toxicity"> toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=O%E2%82%83" title=" O₃"> O₃</a>, <a href="https://publications.waset.org/abstracts/search?q=Tribolium%20castaneum" title=" Tribolium castaneum"> Tribolium castaneum</a>, <a href="https://publications.waset.org/abstracts/search?q=Cryptolestes%20ferrugineus" title=" Cryptolestes ferrugineus"> Cryptolestes ferrugineus</a>, <a href="https://publications.waset.org/abstracts/search?q=stored%20grain%20insect%20pests" title=" stored grain insect pests"> stored grain insect pests</a> </p> <a href="https://publications.waset.org/abstracts/159249/fumigant-insecticidal-efficacy-of-ozone-gas-o3-towards-tribolium-castaneum-and-cryptolestes-ferrugineus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159249.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2113</span> Characteristics of Ozone Generated from Dielectric Barrier Discharge Plasma Actuators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Osada">R. Osada</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Ogata"> S. Ogata</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Segawa"> T. Segawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dielectric barrier discharge plasma actuators (DBD-PAs) have been developed for active flow control devices. However, it is necessary to reduce ozone produced by DBD toward practical applications using DBD-PAs. In this study, variations of ozone concentration, flow velocity, power consumption were investigated by changing exposed electrodes of DBD-PAs. Two exposed electrode prototypes were prepared: span-type with exposed electrode width of 0.1 mm, and normal-type with width of 5 mm. It was found that span-type shows lower power consumption and higher flow velocity than that of normal-type at <em>V<sub>p-p</sub></em> = 4.0-6.0 kV. Ozone concentration of span-type higher than normal-type at <em>V<sub>p-p</sub></em> = 4.0-8.0 kV. In addition, it was confirmed that catalyst located in downstream from the exposed electrode can reduce ozone concentration between 18 and 42% without affecting the induced flow. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dielectric%20barrier%20discharge%20plasma%20actuators" title="dielectric barrier discharge plasma actuators">dielectric barrier discharge plasma actuators</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20diffusion" title=" ozone diffusion"> ozone diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=PIV%20measurement" title=" PIV measurement"> PIV measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20consumption" title=" power consumption"> power consumption</a> </p> <a href="https://publications.waset.org/abstracts/56692/characteristics-of-ozone-generated-from-dielectric-barrier-discharge-plasma-actuators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56692.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">241</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2112</span> Satellite Multispectral Remote Sensing of Ozone Pollution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juan%20Cuesta">Juan Cuesta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Satellite observation is a fundamental component of air pollution monitoring systems, such as the large-scale Copernicus Programme. Next-generation satellite sensors, in orbit or programmed in the future, offer great potential to observe major air pollutants, such as tropospheric ozone, with unprecedented spatial and temporal coverage. However, satellite approaches developed for remote sensing of tropospheric ozone are based solely on measurements from a single instrument in a specific spectral range, either thermal infrared or ultraviolet. These methods offer sensitivity to tropospheric ozone located at the lowest at 3 or 4 km altitude above the surface, thus limiting their applications for ozone pollution analysis. Indeed, no current observation of a single spectral domain provides enough information to accurately measure ozone in the atmospheric boundary layer. To overcome this limitation, we have developed a multispectral synergism approach, called "IASI+GOME2", at the Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA) laboratory. This method is based on the synergy of thermal infrared and ultraviolet observations of respectively the Infrared Atmospheric Sounding Interferometer (IASI) and the Global Ozone Monitoring Experiment-2 (GOME-2) sensors embedded in MetOp satellites that have been in orbit since 2007. IASI+GOME2 allowed the first satellite observation of ozone plumes located between the surface and 3 km of altitude (what we call the lowermost troposphere), as it offers significant sensitivity in this layer. This represents a major advance for the observation of ozone in the lowermost troposphere and its application to air quality analysis. The ozone abundance derived by IASI+GOME2 shows a good agreement with respect to independent observations of ozone based on ozone sondes (a low mean bias, a linear correlation larger than 0.8 and a mean precision of about 16 %) around the world during all seasons. Using IASI+GOME2, lowermost tropospheric ozone pollution plumes are quantified both in terms of concentrations and also in the amounts of ozone photo-chemically produced along transport and also enabling the characterization of the ozone pollution, such as what occurred during the lockdowns linked to the COVID-19 pandemic. The current paper will show the IASI+GOME2 multispectral approach to observe the lowermost tropospheric ozone from space and an overview of several applications on different continents and at a global scale. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone%20pollution" title="ozone pollution">ozone pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=multispectral%20synergism" title=" multispectral synergism"> multispectral synergism</a>, <a href="https://publications.waset.org/abstracts/search?q=satellite" title=" satellite"> satellite</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20quality" title=" air quality"> air quality</a> </p> <a href="https://publications.waset.org/abstracts/159630/satellite-multispectral-remote-sensing-of-ozone-pollution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159630.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2111</span> Influence of UV/Ozone Treatment on the Electrical Performance of Polystyrene Buffered Pentacene-Based OFETs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lin%20Gong">Lin Gong</a>, <a href="https://publications.waset.org/abstracts/search?q=Holger%20G%C3%B6bel"> Holger Göbel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, we have investigated the influence of UV/ozone treatment on pentacene-based organic field effect transistors (OFETs) with a bilayer gate dielectric. The OFETs for this study were fabricated on heavily n-doped Si substrates with a thermally deposited SiO2 dielectric layer (300nm). On the SiO2 dielectric a very thin (≈ 15nm) buffer layer of polystyrene (PS) was first spin-coated and then treated by UV/ozone to modify the surface prior to the deposition of pentacene. We found out that by extending the UV/ozone treatment time the threshold voltage of the OFETs was monotonically shifted towards positive values, whereas the field effect mobility first decreased but eventually reached a stable value after a treatment time of approximately thirty seconds. Since the field effect mobility of the UV/ozone treated bilayer OFETs was found to be higher than the value of a comparable transistor with a single layer dielectric, we propose that the bilayer (SiO2/PS) structure can be used to shift the threshold voltage to a desired value without sacrificing field effect mobility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=buffer%20layer" title="buffer layer">buffer layer</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20field%20effect%20transistors" title=" organic field effect transistors"> organic field effect transistors</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20voltage" title=" threshold voltage"> threshold voltage</a>, <a href="https://publications.waset.org/abstracts/search?q=UV%2Fozone%20treatment" title=" UV/ozone treatment"> UV/ozone treatment</a> </p> <a href="https://publications.waset.org/abstracts/41415/influence-of-uvozone-treatment-on-the-electrical-performance-of-polystyrene-buffered-pentacene-based-ofets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41415.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">337</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2110</span> Comparative Study of Ozone Based AOP's for Mineralization of Reactive Black 5</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sandip%20Sharma">Sandip Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Jayesh%20Ruparelia"> Jayesh Ruparelia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work focuses on the comparative study of ozone based advanced oxidation processes (AOPs): O3, O3/UV and O3/UV/Persulfate for mineralization of synthetic wastewater containing Reactive Black5 (RB5) dye. The effect of various parameters: pH, ozone flow rate, initial concentration of dye and intensity of UV light was analyzed to access performance efficiency of AOPs. The performance of all the three AOPs was evaluated on the basis of decolorization, % TOC removal and ozone consumption. The highest mineralization rate of 86.83% was achieved for O3/UV/Persulfate followed by 71.53% and 66.82 % for O3/UV and O3 respectively. This is attributed to the fact that Persulfate ions (S2O82-) upon activation produce sulfate radical (SO4-●) which is very strong oxidant capable of degrading a wide variety of recalcitrant organic compounds, moreover to enhance the performance of Persulfate it is activated using UV irradiation. On increasing the intensity of UV irradiation from 11W to 66W, TOC removal efficiency is increased by 59.04%. Ozone based AOPs gives better mineralization on basic conditions, at pH 12 it gives 68.81%, 60.01% and 40.32% TOC removal for O3/UV/Persulfate, O3/UV and O3 process respectively. The result also reveals that decolorization of 98.95%, 95.17% and 94.71% was achieved by O3/UV/Persulfate, O3/UV and O3 process respectively. In addition to above, ozone consumption was also considerably decreased by 17% in case of O3/UV/Persulfate, as efficiency of process is enhanced by means of activation of persulfate through UV irradiation. Thus study reveals that mineralization follows: O3/UV/Persulfate> O3/UV> O3. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AOP" title="AOP">AOP</a>, <a href="https://publications.waset.org/abstracts/search?q=mineralization" title=" mineralization"> mineralization</a>, <a href="https://publications.waset.org/abstracts/search?q=TOC" title=" TOC"> TOC</a>, <a href="https://publications.waset.org/abstracts/search?q=recalcitrant%20organic%20compounds" title=" recalcitrant organic compounds"> recalcitrant organic compounds</a> </p> <a href="https://publications.waset.org/abstracts/41576/comparative-study-of-ozone-based-aops-for-mineralization-of-reactive-black-5" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41576.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">227</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2109</span> Learning Materials for Enhancing Sustainable Colour Fading Process of Fashion Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20W.%20Kan">C. W. Kan</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20F.%20Cheung"> H. F. Cheung</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20S.%20Lee"> Y. S. Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines the results of colour fading of cotton fabric by plasma-induced ozone treatment, with an aim to provide learning materials for fashion designers when designing colour fading effects in fashion products. Cotton knitted fabrics were dyed with red reactive dye with a colour depth of 1.5% and were subjected to ozone generated by a commercially available plasma machine for colour fading. The plasma-induced ozone treatment was conducted with different parameters: (i) air concentration = 10%, 30%, 50% and 70%; (ii) water content in fabric = 35% and 45%, and (iii) treatment time = 10 minutes, 20 minutes and 30 minutes. Finally, the colour properties of the plasma–induced ozone treated fabric were measured by spectrophotometer under illuminant D<sub>65</sub> to obtain the CIE L*, CIE a* and CIE b* values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=learning%20materials" title="learning materials">learning materials</a>, <a href="https://publications.waset.org/abstracts/search?q=colour%20fading" title=" colour fading"> colour fading</a>, <a href="https://publications.waset.org/abstracts/search?q=colour%20properties" title=" colour properties"> colour properties</a>, <a href="https://publications.waset.org/abstracts/search?q=fashion%20products" title=" fashion products"> fashion products</a> </p> <a href="https://publications.waset.org/abstracts/48430/learning-materials-for-enhancing-sustainable-colour-fading-process-of-fashion-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48430.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">282</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2108</span> Urban Vegetative Planning for Ambient Ozone Pollution: An Eco-Management Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Anji%20Reddy">M. Anji Reddy</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Uma%20Devi"> R. Uma Devi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental planning for urban development is very much needed to reduce air pollution through the enhancement of vegetative cover in the cities like Hyderabad. This can be mainly based on the selection of appropriate native plant species as bioindicators to assess the impact of ambient Ozone. In the present study, tolerant species are suggested aimed to reduce the magnitude of ambient ozone concentrations which not only increase eco-friendly vegetation but also moderate air pollution. Hyderabad city is divided into 5 zones based on Land Use/Land Cover category further each zone divided into residential, traffic, industrial, and peri-urban areas. Highest ambient ozone levels are recorded in Industrial areas followed by traffic areas in the entire study area ( > 180 µg/m3). Biomonitoring of selected sixteen local urban plant species with the help of Air Pollution Tolerance Index (APTI) showed its susceptibility to air pollution. Statistical regression models in between the tolerant plant species and ambient ozone levels suggested five plant species namely Azardirachta indica A. Juss which have a high tolerant response to ambient ozone followed by Delonix regia Hook. along with Millingtonia hortensis L.f., Alestonia Scholaries L., and Samania saman Jacq. in the industrial and traffic areas of the study area to mitigate ambient Ozone pollution and also to improve urban greenery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20pollution%20tolerance%20index" title="air pollution tolerance index">air pollution tolerance index</a>, <a href="https://publications.waset.org/abstracts/search?q=bio-indicators" title=" bio-indicators"> bio-indicators</a>, <a href="https://publications.waset.org/abstracts/search?q=eco-friendly%20vegetation" title=" eco-friendly vegetation"> eco-friendly vegetation</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20greenery" title=" urban greenery"> urban greenery</a> </p> <a href="https://publications.waset.org/abstracts/34265/urban-vegetative-planning-for-ambient-ozone-pollution-an-eco-management-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34265.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">454</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2107</span> Effect of Different Ozone Doses on Antioxidant Activity in Different Tomato Tissues and at Different Stages of Ripening</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shalluf%20Milad">Shalluf Milad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tomatoes are widely produced and consumed due to their nutritional content and versatility. However, the tomato is a soft fruit liable to damage and flavour deterioration. Hence, the main challenge for the tomato producing industry is to prevent the high loss incurred during harvest, handling and transportation of the crops. The objective of this study was to investigate the overall nutritional implication of controlled storage of tomatoes using ozone on the basic nutritional components of tomatoes. This investigation was also designed to focus on the effect of different ozone doses on the basic components (antioxidant activity). Green, yellow and red stages of ripeness (elegance tomatoes), were harvested at different dates for each experiment. The tomatoes were cleaned and placed inside the glass reactors and ozonated at 0.25, 0.50 and 1 mg O3/g tomatoes and clean air respectively for 5 days at 15°C ± 2 and 90-95 % relative humidity respectively. The fruits were analysed for total antioxidant activity. Analysis of the fruits clearly showed that antioxidant activity in the pericarp tissue was the lowest (P<0.001) compared with the pulp tissue of tomatoes during storage in the red stage of maturity, after being treated with ozone in the atmosphere of storage in a dose of 1.00 mgO3/g tomatoes. It can be concluded from this study that the use of ozone in the atmospheres of storage and handling of fresh products maintains the important compounds of these products while maintaining the nutritional value and health quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=post-harvest%20treatment" title="post-harvest treatment">post-harvest treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=controlled%20atmosphere%20storage" title=" controlled atmosphere storage"> controlled atmosphere storage</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=tomatoes" title=" tomatoes"> tomatoes</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a> </p> <a href="https://publications.waset.org/abstracts/9987/effect-of-different-ozone-doses-on-antioxidant-activity-in-different-tomato-tissues-and-at-different-stages-of-ripening" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9987.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">327</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2106</span> Investigation in Gassy Ozone Influence on Flaxes Made from Biologically Activated Whole Wheat Grains Quality Parameters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tatjana%20Rakcejeva">Tatjana Rakcejeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Jelena%20Zagorska"> Jelena Zagorska</a>, <a href="https://publications.waset.org/abstracts/search?q=Elina%20Zvezdina"> Elina Zvezdina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the current research was to investigate the gassy ozone effect on quality parameters of flaxes made form whole biologically activated wheat grains. The research was accomplished on in year 2012 harvested wheat grains variety ′Zentos′. Grains were washed, wetted; grain biological activation was performed in the climatic chamber up to 24 hours. After biological activation grains was compressed; than flaxes was dried in convective drier till constant moisture content 9±1%. For grain treatment gassy ozone concentration as 0.0002% and treatment time – 6 min was used. In the processed flaxes the content of A and G tocopherol decrease by 23% and by 9%; content of B2 and B6 vitamins – by 11% and by 10%; elaidic acid – by 46%, oleic acid – by 29%; arginine (by 80%), glutamine (by 74%), asparagine and serine (by 68%), valine (by 62%), cysteine (by 54%) and tyrosine (by 47%). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gassy%20ozone" title="gassy ozone">gassy ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=flaxes" title=" flaxes"> flaxes</a>, <a href="https://publications.waset.org/abstracts/search?q=biologically%20activated%20grains" title=" biologically activated grains"> biologically activated grains</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20parameters" title=" quality parameters"> quality parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment" title=" treatment"> treatment</a> </p> <a href="https://publications.waset.org/abstracts/5203/investigation-in-gassy-ozone-influence-on-flaxes-made-from-biologically-activated-whole-wheat-grains-quality-parameters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">236</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2105</span> Analysis of Ozone Episodes in the Forest and Vegetation Areas with Using HYSPLIT Model: A Case Study of the North-West Side of Biga Peninsula, Turkey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Deniz%20Sari">Deniz Sari</a>, <a href="https://publications.waset.org/abstracts/search?q=Selahattin%20%C4%B0ncecik"> Selahattin İncecik</a>, <a href="https://publications.waset.org/abstracts/search?q=Nesimi%20Ozkurt"> Nesimi Ozkurt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Surface ozone, which named as one of the most critical pollutants in the 21th century, threats to human health, forest and vegetation. Specifically, in rural areas surface ozone cause significant influences on agricultural productions and trees. In this study, in order to understand to the surface ozone levels in rural areas we focus on the north-western side of Biga Peninsula which covers by the mountainous and forested area. Ozone concentrations were measured for the first time with passive sampling at 10 sites and two online monitoring stations in this rural area from 2013 and 2015. Using with the daytime hourly O3 measurements during light hours (08:00–20:00) exceeding the threshold of 40 ppb over the 3 months (May, June and July) for agricultural crops, and over the six months (April to September) for forest trees AOT40 (Accumulated hourly O3 concentrations Over a Threshold of 40 ppb) cumulative index was calculated. AOT40 is defined by EU Directive 2008/50/EC to evaluate whether ozone pollution is a risk for vegetation, and is calculated by using hourly ozone concentrations from monitoring systems. In the present study, we performed the trajectory analysis by The Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model to follow the long-range transport sources contributing to the high ozone levels in the region. The ozone episodes observed between 2013 and 2015 were analysed using the HYSPLIT model developed by the NOAA-ARL. In addition, the cluster analysis is used to identify homogeneous groups of air mass transport patterns can be conducted through air trajectory clustering by grouping similar trajectories in terms of air mass movement. Backward trajectories produced for 3 years by HYSPLIT model were assigned to different clusters according to their moving speed and direction using a k-means clustering algorithm. According to cluster analysis results, northerly flows to study area cause to high ozone levels in the region. The results present that the ozone values in the study area are above the critical levels for forest and vegetation based on EU Directive 2008/50/EC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AOT40" title="AOT40">AOT40</a>, <a href="https://publications.waset.org/abstracts/search?q=Biga%20Peninsula" title=" Biga Peninsula"> Biga Peninsula</a>, <a href="https://publications.waset.org/abstracts/search?q=HYSPLIT" title=" HYSPLIT"> HYSPLIT</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20ozone" title=" surface ozone"> surface ozone</a> </p> <a href="https://publications.waset.org/abstracts/47948/analysis-of-ozone-episodes-in-the-forest-and-vegetation-areas-with-using-hysplit-model-a-case-study-of-the-north-west-side-of-biga-peninsula-turkey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47948.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2104</span> An Improved Prediction Model of Ozone Concentration Time Series Based on Chaotic Approach </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nor%20Zila%20Abd%20Hamid">Nor Zila Abd Hamid</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Salmi%20M.%20Noorani"> Mohd Salmi M. Noorani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is focused on the development of prediction models of the Ozone concentration time series. Prediction model is built based on chaotic approach. Firstly, the chaotic nature of the time series is detected by means of phase space plot and the Cao method. Then, the prediction model is built and the local linear approximation method is used for the forecasting purposes. Traditional prediction of autoregressive linear model is also built. Moreover, an improvement in local linear approximation method is also performed. Prediction models are applied to the hourly ozone time series observed at the benchmark station in Malaysia. Comparison of all models through the calculation of mean absolute error, root mean squared error and correlation coefficient shows that the one with improved prediction method is the best. Thus, chaotic approach is a good approach to be used to develop a prediction model for the Ozone concentration time series. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaotic%20approach" title="chaotic approach">chaotic approach</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20space" title=" phase space"> phase space</a>, <a href="https://publications.waset.org/abstracts/search?q=Cao%20method" title=" Cao method"> Cao method</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20linear%20approximation%20method" title=" local linear approximation method"> local linear approximation method</a> </p> <a href="https://publications.waset.org/abstracts/2015/an-improved-prediction-model-of-ozone-concentration-time-series-based-on-chaotic-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2015.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">332</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2103</span> Quantifying Temporal Variation of Volatile Organic Compounds and Their Ozone Forming Potential at Rural Atmosphere in Delhi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amit%20Kumar">Amit Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhupendra%20Pratap%20Singh"> Bhupendra Pratap Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Manoj%20Singh"> Manoj Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Monika%20Punia"> Monika Punia</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishan%20Kumar"> Krishan Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20K.%20Jain"> V. K. Jain </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ambient concentrations of volatile organic compounds (VOCs) were investigated in order to find out temporal variations and their ozone forming potentials (OFP) at rural site in Delhi National Capital Region during summer 2013. Sampling was performed for continuous five days, to identify the differences in working days and weekend VOCs concentration levels. Sampling and analytical procedure for VOCs were done using National Institute for Occupational Safety and Health (NIOSH) standard method. On each sampling day, VOCs samples were collected for 3-hours in the morning, afternoon and evening. There has been observed a noticeable contrast in the concentration of VOCs levels between working days and weekend. However, most of the VOCs showed diurnal fluctuations with higher concentrations in the morning and evening as compared to afternoon which might be due to change in meteorology. The results showed that mean toluene/benzene and m-/p-xylene/benzene ratios were higher in the afternoon while it was lower during morning and evening. The relative contribution of the VOCs to ozone formation, total propylene equivalent concentrations and OFP were calculated. Toluene was the most contributing organic contaminant to ozone formation as well as ambient VOCs concentrations. Results obtained in current study demonstrate that ozone formation at rural site in Delhi is probably limited by the emissions of VOCs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=VOCs" title="VOCs">VOCs</a>, <a href="https://publications.waset.org/abstracts/search?q=rural" title=" rural"> rural</a>, <a href="https://publications.waset.org/abstracts/search?q=NIOSH" title=" NIOSH"> NIOSH</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20forming%20potential" title=" ozone forming potential"> ozone forming potential</a>, <a href="https://publications.waset.org/abstracts/search?q=propylene%20equivalent%20concentration" title=" propylene equivalent concentration"> propylene equivalent concentration</a> </p> <a href="https://publications.waset.org/abstracts/8392/quantifying-temporal-variation-of-volatile-organic-compounds-and-their-ozone-forming-potential-at-rural-atmosphere-in-delhi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8392.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">529</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2102</span> Long-Term Variabilities and Tendencies in the Zonally Averaged TIMED-SABER Ozone and Temperature in the Middle Atmosphere over 10°N-15°N </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oindrila%20Nath">Oindrila Nath</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Sridharan"> S. Sridharan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Long-term (2002-2012) temperature and ozone measurements by Sounding of Atmosphere by Broadband Emission Radiometry (SABER) instrument onboard Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics (TIMED) satellite zonally averaged over 10°N-15°N are used to study their long-term changes and their responses to solar cycle, quasi-biennial oscillation and El Nino Southern Oscillation. The region is selected to provide more accurate long-term trends and variabilities, which were not possible earlier with lidar measurements over Gadanki (13.5°N, 79.2°E), which are limited to cloud-free nights, whereas continuous data sets of SABER temperature and ozone are available. Regression analysis of temperature shows a cooling trend of 0.5K/decade in the stratosphere and that of 3K/decade in the mesosphere. Ozone shows a statistically significant decreasing trend of 1.3 ppmv per decade in the mesosphere although there is a small positive trend in stratosphere at 25 km. Other than this no significant ozone trend is observed in stratosphere. Negative ozone-QBO response (0.02ppmv/QBO), positive ozone-solar cycle (0.91ppmv/100SFU) and negative response to ENSO (0.51ppmv/SOI) have been found more in mesosphere whereas positive ozone response to ENSO (0.23ppmv/SOI) is pronounced in stratosphere (20-30 km). The temperature response to solar cycle is more positive (3.74K/100SFU) in the upper mesosphere and its response to ENSO is negative around 80 km and positive around 90-100 km and its response to QBO is insignificant at most of the heights. Composite monthly mean of ozone volume mixing ratio shows maximum values during pre-monsoon and post-monsoon season in middle stratosphere (25-30 km) and in upper mesosphere (85-95 km) around 10 ppmv. Composite monthly mean of temperature shows semi-annual variation with large values (~250-260 K) in equinox months and less values in solstice months in upper stratosphere and lower mesosphere (40-55 km) whereas the SAO becomes weaker above 55 km. The semi-annual variation again appears at 80-90 km, with large values in spring equinox and winter months. In the upper mesosphere (90-100 km), less temperature (~170-190 K) prevails in all the months except during September, when the temperature is slightly more. The height profiles of amplitudes of semi-annual and annual oscillations in ozone show maximum values of 6 ppmv and 2.5 ppmv respectively in upper mesosphere (80-100 km), whereas SAO and AO in temperature show maximum values of 5.8 K and 4.6 K in lower and middle mesosphere around 60-85 km. The phase profiles of both SAO and AO show downward progressions. These results are being compared with long-term lidar temperature measurements over Gadanki (13.5°N, 79.2°E) and the results obtained will be presented during the meeting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=trends" title="trends">trends</a>, <a href="https://publications.waset.org/abstracts/search?q=QBO" title=" QBO"> QBO</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20cycle" title=" solar cycle"> solar cycle</a>, <a href="https://publications.waset.org/abstracts/search?q=ENSO" title=" ENSO"> ENSO</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/16140/long-term-variabilities-and-tendencies-in-the-zonally-averaged-timed-saber-ozone-and-temperature-in-the-middle-atmosphere-over-10n-15n" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16140.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">410</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2101</span> Physico-chemical and Biological Characterization of Urban Municipal Landfill Leachate and Treatment by Ozone Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramdani%20Nadia">Ramdani Nadia</a>, <a href="https://publications.waset.org/abstracts/search?q=Kheddaoui%20Abdelkrim"> Kheddaoui Abdelkrim</a>, <a href="https://publications.waset.org/abstracts/search?q=Nemmich%20Said"> Nemmich Said</a>, <a href="https://publications.waset.org/abstracts/search?q=Tilmatine%20Amar"> Tilmatine Amar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The waste production nationwide is increasing every year, on account of therapid urbanization and growing populations, also consumption modes. Algerian political authorities have chosen Technical Landfill Centres (TLC) as a competitive and safe technique of waste management. However, storing these wastes in a bad way poses several environmental challenges, especially in the Department of Saïda, the latter have significant groundwaters. The major problem registered on this Landfill is the leachate resulting from the degradation of buried wastes which were disposed off the outside of the leachate basin and present a source of pollution for the local groundwaters by heavy metals and pathogenic germs. The present paper investigates the leachate treatment ozone process produced by Dielectric Barrier Discharge (DBD) under high potential. The experimental results obtained allowed us to show the efficiency of the treatment process by ozone based on the micro pollutant analysis (DCO, DBO5 , COT, heavy metals) and microbial analysis, after ozonation treatment. The results show that 80% of micro pollutants are eliminated and 100% destruction of all bacteria which reveals the high efficiency of the process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=landfill" title="landfill">landfill</a>, <a href="https://publications.waset.org/abstracts/search?q=leachate" title=" leachate"> leachate</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment" title=" treatment"> treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=polluants" title=" polluants"> polluants</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=micropolluant" title=" micropolluant"> micropolluant</a> </p> <a href="https://publications.waset.org/abstracts/192436/physico-chemical-and-biological-characterization-of-urban-municipal-landfill-leachate-and-treatment-by-ozone-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192436.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">22</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2100</span> Organic Oils Fumigation and Ozonated Cold Storage Influence Storage Life and Fruit Quality in Granny Smith Apples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rahil%20Malekipoor">Rahil Malekipoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Zora%20Singh"> Zora Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Alan%20Payne"> Alan Payne</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ethylene management during storage life of organically grown apples is a challenging issue due to limited available options. The objective of this investigation was to examine the effects of lemon and cinnamon oils fumigation on storage life, the incidence of superficial scald and quality of Granny Smith apple which were kept in cold storage with and without ozone. The fruit was fumigated with 3µl L⁻¹ lemon or cinnamon oil for 24 h and untreated fruit was kept as a control. Following the treatments, the fruit was stored at (0.5 to -1°C) with and without ozone for 100 and 150 days. After each storage period, ethylene production and respiration rate, superficial scald and various fruit quality parameters were estimated. Lemon oil fumigated fruit showed significantly reduced the mean climacteric peak ethylene production rate in both 100 and 150 days stored fruit. Mean climacteric peak ethylene production rate was significantly reduced in the apples which were kept in an ozonated as compared to cold stored without ozone for 100 days only. The climacteric ethylene peak was delayed only in 100 days cold stored fruit with ozone (8.78 d) as compared to without ozone (3.89 d). Firmness was significantly higher in the fruit fumigated with lemon or cinnamon oil compared to control for both storage time. The fruit stored for 150 days in cold storage without ozone exhibited higher mean firmness than those stored in ozonated. Lemon or cinnamon oil fumigation significantly reduced superficial scald in both cold stored fruit with or without ozone. Levels of total phenols were significantly higher in cinnamon oil treated fruit and stored for 100 days as compared to all other treatments. In 150 days stored fruit fumigated with lemon oil showed the significantly higher level of total phenols compared to cinnamon oil fumigation and control. The fruit fumigated with lemon oil or cinnamon oil following 150 days cold storage resulted in significantly higher levels of ascorbic acid and antioxidant capacity as compared to the control fruit. In conclusion, lemon oil fumigation was more effective in suppressing ethylene production in 100-150 days cold stored fruit than cinnamon oil. Whilst, fumigation of both lemon or cinnamon oil were effective in reducing superficial scald and maintaining quality in 100-150 days cold stored fruit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=apple" title="apple">apple</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20storage" title=" cold storage"> cold storage</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20oil" title=" organic oil"> organic oil</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone" title=" ozone"> ozone</a> </p> <a href="https://publications.waset.org/abstracts/95610/organic-oils-fumigation-and-ozonated-cold-storage-influence-storage-life-and-fruit-quality-in-granny-smith-apples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95610.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">147</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=10">10</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=70">70</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=71">71</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=ozone%20therapy&page=2" rel="next">&rsaquo;</a></li> </ul> 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