کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1690483 1011260 2007 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Preparation of nanostructured thin-film interfaces applicable in biosensors
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سطوح، پوشش‌ها و فیلم‌ها
پیش نمایش صفحه اول مقاله
Preparation of nanostructured thin-film interfaces applicable in biosensors
چکیده انگلیسی

Gold nanostructured thin-film electrodes (250 nm) were formed by using radio frequency (RF) diode sputtering, bias sputtering and ion etching. Biosensors based on the deoxyribonucleic acid (DNA) film immobilized at the gold surface were prepared by double-stranded DNA (dsDNA) adsorption. The behaviour of the DNA layer was investigated by using differential pulse voltammetry (DPV) with the DNA marker Co[(phen)3]3+ and cyclic voltammetry (CV) with the K3[Fe(CN)6] indicator and DNA-Co[(phen)3]3+ dissociation rate constant (k). The best result of attachment DNA binding were obtained in case of both sputtered sample only and the sample which was etched for 10 min at 150 °C.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 82, Issue 2, 29 October 2007, Pages 303–306
نویسندگان
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