Electrochemical impedance immunosensor based on gold nanoparticles and aryl diazonium salt functionalized gold electrodes for the detection of antibody

Biosensors and Bioelectronics

Volumn 26, Issue 8, 2011, Pages 3660-3665

  Liu, Guozhen ^a,b   Liu, Jingquan ^d   Davis, Thomas P ^a,c   Gooding, J Justin ^a,c  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

^b CENTRAL CHINA NORMAL UNIVERSITY   (China)

^c UNIVERSITY OF NEW SOUTH WALES   (Australia)

^d QINGDAO UNIVERSITY   (China)

Author keywords

Aryl diazonium salts; Electrochemical impedance spectroscopy; Functionalized gold nanoparticles; Immunosensor

Indexed keywords

ARYLDIAZONIUM SALTS; CHARGE TRANSFER RESISTANCE; DETECTION LIMITS; DIAZONIUM SALTS; ELECTROCHEMICAL IMPEDANCE; ELECTROCHEMICAL SENSING; FUNCTIONALIZED; FUNCTIONALIZED GOLD NANOPARTICLES; GOLD ELECTRODES; GOLD NANOPARTICLE; GOLD NANOPARTICLES; IMMUNOSENSING; INTERFACIAL PROPERTY; LINEARLY PROPORTIONAL; LOW BACKGROUND; MODIFIED ELECTRODES; ORGANIC LAYERS; PASSIVATING LAYER; REDOX COUPLE; THIOPHENOLS;

CHARGE TRANSFER; CHEMICAL DETECTION; COENZYMES; CYCLIC VOLTAMMETRY; ELECTROCHEMICAL CORROSION; ELECTROCHEMICAL ELECTRODES; GOLD; IMMUNOSENSORS; METAL ANALYSIS; NANOPARTICLES; PASSIVATION; SALTS;

ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY;

BIOTIN; DIAZONIUM COMPOUND; GOLD NANOPARTICLE; IMMUNOGLOBULIN G;

ADSORPTION; ANTIBODY DETECTION; ANTIGEN ANTIBODY REACTION; ANTIGEN BINDING; ARTICLE; CHEMICAL STRUCTURE; CONTROLLED STUDY; CYCLIC POTENTIOMETRY; ELECTROCHEMICAL IMPEDANCE IMMUNOSENSOR; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; ELECTROCHEMISTRY; IMMUNOSENSOR; PARTICLE SIZE; SURFACE PROPERTY;

BIOSENSING TECHNIQUES; BIOTIN; DIAZONIUM COMPOUNDS; DIELECTRIC SPECTROSCOPY; ELECTRODES; GOLD; IMMUNOASSAY; IMMUNOGLOBULIN G; METAL NANOPARTICLES;

EID: 79952816720     PISSN: 09565663     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bios.2011.02.026     Document Type: Article

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