مقاله Self assembled gold nanoparticle films on thiolدرterminated Substrates for the determination of dopamine and ascorbic acid دارای 2 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی مقاله Self assembled gold nanoparticle films on thiolدرterminated Substrates for the determination of dopamine and ascorbic acid،به هیچ وجه بهم ریختگی وجود ندارد
بخشی از متن مقاله Self assembled gold nanoparticle films on thiolدرterminated Substrates for the determination of dopamine and ascorbic acid :
سال انتشار: 1387
محل انتشار: دومین کنگره بین المللی علوم و فناوری نانو
تعداد صفحات: 2
چکیده:
The design of new nanoscale materials has acquired ever greater importance in recent years due to their wide-ranging applications in various fields. Among these materials, metallic nanoparticles are of great interest due to their important properties and their numerous possible applications [1, 2]. The metal nanoparticles have size dependent unique chemical, electrical and optical properties and are very promising for practical applications in diverse fields [3]. The nanoparticles are very different from bulk materials and their electronic, optical and catalytic properties originate from their quantum scale dimensions (< 2 nm) [4].In this work the use of gold nanoparticles (GNs) chemically modified electrode to the electroanalysis of ascorbic acid (AA) and dopamine (DA) was studied. The GNs could be efficiently immobilized on binary mixed self-assembled monolayers (SAMs) on a gold surface composed of 1, 6-hexanedithiol (HDT) and 1-octanethiol (nano-Au / SAMs gold electrode). The result showed that the GNs modified electrode could clearly resolve the oxidation peaks of AA and DA, enabling determination of AA and DA in the presence of each others
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