CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '91983245aac55e3e',cH: 'opWwrxgPICgsu2X2NkDMcfEjhyv4TxWB9nS5PDBQQy4-1740827305-1.2.1.1-bfVFWnQGTUU1jHIGw8xBNjGcw3hJO6PxEYFkdJJh2lJj0VjdZYpfgQ35yGaFG5Ym',cUPMDTk: "\/abstracts\/search?q=Heba%20S.%20Elsewedy&__cf_chl_tk=eeoc_HWunTdQcKuuii79ZTqd6yM33J2H.twcbE6R9ig-1740827305-1.0.1.1-0r5ISo5LmOG64DQ_UrFbodhErWiN0InoU95qF0ofmwA",cFPWv: 'b',cITimeS: '1740827305',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=Heba%20S.%20Elsewedy&__cf_chl_f_tk=eeoc_HWunTdQcKuuii79ZTqd6yM33J2H.twcbE6R9ig-1740827305-1.0.1.1-0r5ISo5LmOG64DQ_UrFbodhErWiN0InoU95qF0ofmwA",md: "1hrnHz89nQ3Di8ovboxZXTa8ErtpW3uOe118HRFhbG8-1740827305-1.2.1.1-0nscobey7ehMOwMH3BQioNbmtPjNtmxo4sFocI.gS1gZ3VJ_KINUaD7O10kgvtcCTm.G4Mpbx1g5zsjOoke4oPRqnqezVEQgB05G8mnHUpEZMsS5NhaA34_hDcscCCTDr2_ADfkrGGmc39Aa8c0ba14pwfl31VMudv0lNTC067oqwZrc0WdwAKeQMHAOxaf12UxzV7lDoUAcM8k.DqQSttu5RnN2q57bLv59eZm8wd5xSzh4yEbqIC6jvZE20ZxzosBwLsrM3bo6b7JgAlvCi0Zzc_kW1cWOW8OORwgmzvpyT1hih4pN_fZcGuWe9Kdcoj_C.IElmmbKrDzavRvxjpWn_9EV2SQ.c9827e6ZhTXNb0U9EUIAEaInLA8CzFGkXL1OwlJj8gCchMj6Iuyl552LW6eQcYT2eWcE4H8dKfOVL91a20YLrXVGKH1yMjF9Dv.lZKZ1CsSxdmXz8.dTlCAjzkXvBI4dSFGSzbRssSEcERGeoUgkiFgclDEAXziH_GVVnPIiR6il4XAQXQwIh5Az0hEUEFJYvD.p605_kLJVp7AZV.Ffh1iTm.QSIUEHhVUAruGt6rG16wW0NOxm5eYy3FJ1HnSsgGOIHrEn7HIAcinv_0gwHQ0Q5IO6sauF_H4aWnnJYGwoknNTUQ0nW8pWVSqHVsG2nfjZ11rvu.As_Q0rtX_9gQXfLwcsDxkgVU0kb2MeUmOTzuGunfSWTXgux.tr.gY83FNL9TSSiEjE2cy.gaJmI3eBGA7MI_9GVQrTLFv70F6t2ASg3k.mHCv7Kf2xXSRsn8qPuoftOFWuq3K2CEDnqdCT08PqYvhtHrRMuD2kwh7rZ1yevZEZUJcaXNc6sZuvEGQoNJOk3u0dr0jrUA6QePFoaah2xhSHfls4w.yyxcbY2mazBFy4bJ1vEG57oQU8bU7jW1IltiZXZZnMQPSS8Jmk6NR1KqsbYQ7LwvnMEJWdgVbKokalLFUEawc7Q4YbJ4BqEWlgrC6g4ZFJZL.7TvuC9R4FuJRn7QVmODDZ3IPi95l.bln_QPR88OQ4iIUzsAk6uAghehCvCLjAfVaUO_xzYIiAEV.zy_88dR4bM50mkUGVlkwv3QvOtAnx0st9_NE8MNogs6nRCm3Yvcs_vonuLKWDdniZ3NqyIC4_cDt0v2raMZ3ec7JSZZbsSouA.QnGCQww5wwut4PNau2uttNpMaL100iDbOslWlJGt5bgL0dxSDGrg3mSoe9SRmuaMjXROXyuDi3Zy97L6QvIxozck8pR_YQQUMOm.9Et7oziDoHTwTBEhFe2RBl.H_JogSmLXT22Bh8",mdrd: "e_EKK354BzPLa85FETP9mroCqgoeIWKdd0uDX9vBVR4-1740827305-1.2.1.1-xJg3lAX63i.j8Tudi7yi_qBj5MbAXChEM7927lqc_GD1aG1gCBiNI1gULOJLZyYI6mkjnAAeuB1nTwSJvvrmsitbVyXR1PvfzGJPJNJ6wxHqTS333ycaE81s4nsUhDtXwJW1S6ahu7DoeaxNNIaj.0Lg4MuErRdffv6f88fPW4FyIn1CWp5dITM6JkIYclAk66fbJtHWP9Ty4sFsBXMw9Asx_ULTLNoZY0Al46P_jPlnfG2K7sfiP_ZlVUlv0qS_C.wdDm3PJvRUS5YSqLRuf6V7jIepwoFpjqpq3MyGRSyO4_F4tZ4NcVMae..PSxo7fLK_ukaVss9CjJqtp6u.xLPPRr1fKcfoRbw1p9SaegIEHncnNTPPER8xOCrxMSnKMJvQwtRPkLAAjAnj7uYzAuKfLxS.RBCA6VTsvlpqTHn8piWeEeUVva8eG4PFMmPPHgHeY9RtZaI3hB84IpJtkRIN0eqhBqKTuSL_p79GLO.TKWdJm9LCydZLXZy0nCDm1VaUOkCbgeoVXC8qNR9grGCQ.H_4T1lUq2qvNZOKWm8AYdSN2Vn2Oj_.Pvf8W6Xaao8sSzcTqhGsP0WtvlCQk12Q3Zu8EvqvRzTB0QwTYR0VCf.ADkZT2hqbSXlDCltlQFkLff1jEgvwrbHhB14DS5iTq.nE8XN8qzgWA5zrVG5IaLtk1D0B8dPpgFXxg102hK3OUa_DNPENn0MCkHdXE3Q5.Oo0Tu2FMlZ3HN_jmUp_YerFje1q1hOaSRCdKwSyIQzADFrUMHt0IQeP4f4CgEtALOm5sXYzOBnqFbRGADkpQRDVI0k6Zk6XVs4xh0VuvgqreetR36n9q42d9a7v6_UTae2FnecYU6ZG6eEZSRmr4Z9TeWbX78ydCdNQCf6vBrLPllqt_HrHntY5m.lTo0a0cguTXZL49LoZ5O4tMceonH1HnOt10WFnCfjKhcyFR.HVRuZ3UgagoSBSPcdmciPzsoNbucb4AtrBUcd.ZBvneGlIVVI3YKhDlOvNv07MYdjFKFg8KORj0NyxlJghUopbKRSpXj_xYVBqVPmST0d06job.j_Ofl5tS3xwQ2zkn22E_9Xw0PMCEtzOaujv4SGvIenRmxW9F5xr0n5kawzFP2aG6.PeZimz1fxENxGeEnUgZhEWm5X0I41PdAuO0lvVSrMv8.ttB73xpmHGDtfffUlmOCmTSuaavbrxVp.KDLEMwHqvQPbB0fRKsCey2vQWfwcWm453Pj0bUq.U3gMZaGOV2n27_X4uFtmI2HsTo9dIcJ4A_eQ4Fc2JtZQMsrx1zI8jNctCkCygF8ZjOX4gUSZP2i2JGJ9cRdq4PrCnXKL2pirUfHSlSJTJgcw7DZa6XP6tOuGqOAY0x_jIW3yScfdzWi909_uX9ZDnjROfmzIrPBHFolXoWKv2.UoFP2G960FSc1ybs7j9Ig_u9.Qf2ot7RbPtqkgAnin6zsl6SWCga03_SRiDSDN_hu6TfMxVgkMhz6Wq6hoQcObrQSSrk2_rIJjdaJBWTgeBvKRRWwh8G8l7XFH92QFD8E8HyJFV1RiitrMscqNDX3vxicK1Dxs1X1LGcL1DXrM1u2ckuLHz_K3GQDtUgdEJ4lzp_FZYbV1s6kxeKc_v3nFdKsWpe1hyOSN1z00PE1i._5d44f.7t1VQt3QMaWgcefb4.0p6djvjKQneVEn6dWVZAmKxs7EuX5gvkF1eOo_9MvAFTMqSgzU84apSgUBVbAp9KTLUcNGu593xetR4HtvyioOzXBlCAeqPNGdKfHnj2ZLp1Gu3Vm.0GIaA7OlVj8GodTu9TWJEEX5lP6kWWmMmzCynOzhc7dmSOt1NZp4fsYLoOlrgOCIl2QqEGj033dz1DTgssRm6Yl772rXQv.oZ0ZtznpLnabPjgnbqAup1zzzUeq5qh5c.oKq0qhgKnVMIKclLpacsRk5GTbDGCM09aFwqPNgXrCYchQulmv4_QbgS"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91983245aac55e3e';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=Heba%20S.%20Elsewedy&__cf_chl_rt_tk=eeoc_HWunTdQcKuuii79ZTqd6yM33J2H.twcbE6R9ig-1740827305-1.0.1.1-0r5ISo5LmOG64DQ_UrFbodhErWiN0InoU95qF0ofmwA" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>