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Modification of Gold surface with gold nanoparticles and cyclohexyl dithiocarbamate as a selective sensor for cysteine
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نویسنده
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alshamaileh e. ,saadeh h. ,favry v.
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منبع
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journal of chemistry - 2013 - دوره : 2013 - شماره : 0
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چکیده
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The self-assembly of cyclohexylamine dithiocarbamate (c6dtc) on gold (au) and gold nanoparticles (aunps) was studied electrochemically using cyclic voltammetry (cv). cyclic voltammetry was used to study the system fe (cn) 63-/fe(cn)64- at the electrode surface of (c6dtc/au) and (c6dtc/aunps). the application of the resulting chemically modified surface as a selective sensor for cysteine,among other amino acids,was investigated. linear oxidative desorption technique was used to characterize the modified electrode that consists of the self-assembled monolayer of cyclohexylamine dithiocarbamate on gold nanoparticles deposited on au electrode (c6dtc/aunps/au). the results showed an enhancement in the oxidation peak of cysteine on the modified electrode and hence a greater sensitivity. © 2013 ehab alshamaileh et al.
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آدرس
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department of chemistry,faculty of science,university of jordan,amman 11942,jordan,faculty of sciences and humanities,salman bin abdulaziz university, Saudi Arabia, department of chemistry,faculty of science,university of jordan, Jordan, faculty of sciences and humanities,salman bin abdulaziz university, Saudi Arabia
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Authors
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