Chemistry | NIST

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class="tablet:grid-col-8 padding-right-5 margin-y-2"> <h2 class="nist-block__title">Projects & Programs</h2> <article role="article" about="/programs-projects/chemical-foundations-cannabis-breathalyzer" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230131171420/https://www.nist.gov/programs-projects/chemical-foundations-cannabis-breathalyzer" hreflang="en"><img src="/web/20230131171420im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2020/07/16/Cannabis%20Buds.jpeg?itok=I3WFsLdU" width="100" height="67" alt="Cannabis Buds" loading="lazy" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230131171420/https://www.nist.gov/programs-projects/chemical-foundations-cannabis-breathalyzer"><span>Chemical Foundations for a Cannabis Breathalyzer</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> Founded in 2019, this program was motivated by the rapid decriminalization of recreational and medical cannabis by state governments. This has led to extensive </div> </div> </div> </article> <article role="article" about="/programs-projects/development-methods-measurement-vitamin-d-and-its-metabolites-foods-fortified" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230131171420/https://www.nist.gov/programs-projects/development-methods-measurement-vitamin-d-and-its-metabolites-foods-fortified" hreflang="en"><img src="/web/20230131171420im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2018/09/27/triangle_with_vit_d_srms.png?itok=DGWoDSRo" width="100" height="87" alt="Triangle with Vit D SRMs" loading="lazy" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230131171420/https://www.nist.gov/programs-projects/development-methods-measurement-vitamin-d-and-its-metabolites-foods-fortified"><span>Development of Methods for Measurement of Vitamin D and its Metabolites in Foods, Fortified Foods, and Dietary Supplements</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> Vitamin D is a fat-soluble vitamin that is essential for bone health. Vitamin D deficiency is associated with muscle weakness and osteoporosis and can </div> </div> </div> </article> <article role="article" about="/programs-projects/differential-absorption-lidar-detection-and-quantification-greenhouse-gases" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230131171420/https://www.nist.gov/programs-projects/differential-absorption-lidar-detection-and-quantification-greenhouse-gases" hreflang="en"><img src="/web/20230131171420im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2019/07/23/smokestack_nagy_sm_1.jpg?itok=7sWNc7UI" width="100" height="100" alt="smokestack" loading="lazy" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230131171420/https://www.nist.gov/programs-projects/differential-absorption-lidar-detection-and-quantification-greenhouse-gases"><span>Differential absorption LIDAR for the detection and quantification of greenhouse gases</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> We are developing a method for accurately quantifying greenhouse gas emissions from natural and anthropogenic sources and sinks to meet the requirements for </div> </div> </div> </article> <div class="link-list"><a href="/web/20230131171420/https://www.nist.gov/laboratories/projects-programs/topic/248416">View All Projects/Programs</a></div> </div> <div class="tablet:grid-col-4 margin-y-2"> <h2 class="nist-block__title">Additional Resources Links</h2> <div class="nist-field nist-field--label-hidden nist-field--link-list link nist-field--link-list font-sans-sm"> <div class="nist-field__items"> <div class="nist-field__item"><a href="/web/20230131171420/https://www.nist.gov/publications/search?ta%5B0%5D=248416&ta%5B1%5D=248416">Publications</a></div> <div class="nist-field__item"><a href="/web/20230131171420/https://www.nist.gov/services-resources/software?k=&d%5Bmin%5D=&d%5Bmax%5D=&a%5B0%5D=248416&a%5B1%5D=248416&tag=">Software</a></div> <div class="nist-field__item"><a href="/web/20230131171420/https://www.nist.gov/laboratories/tools-instruments?k=&a%5B0%5D=248416&a%5B1%5D=248416&o=All&tag=">Tools & Instruments</a></div> </div> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--topic-featured paragraph--view-mode--default nist-content-row--width-full bg-base-lightest margin-y-5"> <div class="grid-container"> <div class="nist-card nist-card--horizontal nist-card--horizontal-full nist-card--base-lightest"> <div class="nist-card__inner"> <div class="nist-card__image"> <a href="/web/20230131171420/https://www.nist.gov/blogs/taking-measure/shaping-future-nist-mass-spectral-library"> <div class="entity-reference"> <figure class="nist-image"> <img src="/web/20230131171420im_/https://www.nist.gov/sites/default/files/styles/800w_x_400h/public/images/2020/06/09/Mass%20Spec%20Database%20featured%20image.jpg?itok=2FqTUW6O" width="800" height="400" alt="Tytus Mak sitting at his desk and while colleague Arun Moorthy and he look at a computer screen" title="Tytus Mak and Arun Moorthy" loading="lazy" typeof="foaf:Image"/> <figcaption class="nist-image__caption"> <div data-caption-editable="true" class="nist-image__caption-content"> </div> </figcaption> </figure> </div> </a> </div> <div class="nist-card__title"> <h3> Shaping the Future of the NIST Mass Spectral Library </h3> </div> <div class="nist-card__content"> <div class="text-long"><p>When one thinks of mass spectral libraries — well, let’s be honest here, the very idea of mass spectral libraries will never cross most people’s minds, even most scientists’. 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