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Green synthesis of gold/chitosan nanocomposites for optical sensing assay/ Amany Khalifa Mohamed Hassan Khalifa ; Supervised Rehab Mohamed Hassan Amin , Yasser Attia Attia

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Amany Khalifa Mohamed Hassan Khalifa , 2020Description: 101 P . : charts , facsmilies ; 25cmOther title:
  • التحضير الاخضر لمتراكبات الذهب و الكيتوزان كمستشعر ضوئى [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - National Institute of Laser Enhanced Science - Department of Laser Application in Environmental Metrology Photovhemistry, Photobiology and Agriculture Summary: In the present study, gold nanoparticles (Au NPs) and gold/chitosan (Au/Ch) nanocomposites were prepared by the reduction of gold salt using Lemon juice that works as reducing and stabilizing agent (green synthesis). The prepared nanoparticles were characterized by UV-VIS spectrophotometry and Transmission Electron Microscopy (TEM). The prepared nanoparticles were used to determine the concentration of zinc ions in real samples like Zinc origin and Octozinc tablets that are available in the pharmaceutical market of Egypt. The results revealed that Au/Ch nanocomposites were efficient to detect the total concentration of zinc ions, while Au nanoparticles were potential with Octozinc and gave wrong data with Zinc origin
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.05.M.Sc.2020.Am.G (Browse shelf(Opens below)) Not for loan 01010110081512000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.05.M.Sc.2020.Am.G (Browse shelf(Opens below)) 81512.CD Not for loan 01020110081512000

Thesis (M.Sc.) - Cairo University - National Institute of Laser Enhanced Science - Department of Laser Application in Environmental Metrology Photovhemistry, Photobiology and Agriculture

In the present study, gold nanoparticles (Au NPs) and gold/chitosan (Au/Ch) nanocomposites were prepared by the reduction of gold salt using Lemon juice that works as reducing and stabilizing agent (green synthesis). The prepared nanoparticles were characterized by UV-VIS spectrophotometry and Transmission Electron Microscopy (TEM). The prepared nanoparticles were used to determine the concentration of zinc ions in real samples like Zinc origin and Octozinc tablets that are available in the pharmaceutical market of Egypt. The results revealed that Au/Ch nanocomposites were efficient to detect the total concentration of zinc ions, while Au nanoparticles were potential with Octozinc and gave wrong data with Zinc origin

Issued also as CD

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