کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
868982 909818 2008 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electrically addressable diazonium-functionalized antibodies for multianalyte electrochemical sensor applications
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Electrically addressable diazonium-functionalized antibodies for multianalyte electrochemical sensor applications
چکیده انگلیسی

The direct electrically addressable deposition of diazonium-modified antibodies is examined for electrochemical immunosensing applications. The immobilized antibodies can be detected by the use of electroactive enzyme tags and nanoparticle-gold labeling. Control over antibody functionalization density and minimal spontaneous grafting of diazonium–antibody adducts is shown. The utility of the technique for a sandwich immunoassay as well as the ability to individually and selectively address closely spaced microelectrodes for multi-target protein detection in an array format is demonstrated.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biosensors and Bioelectronics - Volume 23, Issue 6, 18 January 2008, Pages 757–764
نویسندگان
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