نتایج جستجو برای: electrochemical immunosensor

تعداد نتایج: 52102  

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2004
Hyun C Yoon Haesik Yang Sang Yo Byun

A signal registration strategy from micropatterned immunosensors that converts antigen-antibody binding reactions into electrochemical signals was demonstrated. An array-type micropatterned gold electrode on a silicon wafer was fabricated, containing two electrode geometries of rectangular (100 microm x 500 microm) and circular (r. 50 microm) types, exhibiting electrochemical characteristics of...

Journal: :Biosensors & bioelectronics 2014
Dajie Lin Jie Wu Huangxian Ju Feng Yan

Nanogold functionalized mesoporous carbon foam (Au/MCF) coupling with a signal amplification by C-Au synergistic silver enhancement was designed for sensitive electrochemical immunosensing of biomarker. The Au/MCF was prepared by in situ growth of nanogold on carboxylated MCF and used as a tracing tag to label signal antibody via the inherent interaction between protein and nanogold. The immuno...

Journal: :Journal of immunological methods 2004
Jiehua Lin Feng Yan Xiaoya Hu Huangxian Ju

A novel chemiluminescent immunosensor for carbohydrate antigen 19-9 (CA19-9) based on the immobilization of CA19-9 on the cross-linked chitosan membrane was developed. The different membranes were characterized by atomic force microscopy (AFM) and infrared spectrum, respectively. Based on a noncompetitive immunoassay format, this proposed chemiluminescent immunosensor enabled a low-cost, flexib...

Journal: :Electroanalysis 2021

eIF3d is a protein biomarker which has potential for the diagnosis of various cancers. Herein, bio-platform was constructed sensing by using LSG and surface functionalization with anti antibody via EDC/NHS chemistry. Following modifications, XPS several electrochemical methods were used. Difference in signals related to amounts between 75–500 ng/mL. LOD calculated as 50.4 Selectivity biosensor ...

2017
Farah Asilah Azri Jinap Selamat Rashidah Sukor

Palm kernel cake (PKC) is the solid residue following oil extraction of palm kernels and useful to fatten animals either as a single feed with only minerals and vitamins supplementation, or mixed with other feedstuffs such as corn kernels or soy beans. The occurrence of mycotoxins (aflatoxins, ochratoxins, zearalenone, and fumonisins) in feed samples affects the animal's health and also serves ...

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