Ultrasensitive detection of E. coli O157:H7 with biofunctional magnetic bead concentration via nanoporous membrane based electrochemical immunosensor

Biosensors and Bioelectronics

Volumn 41, Issue 1, 2013, Pages 532-537

  Chan, Ka Yiu ^a   Ye, Wei Wei ^a   Zhang, Yu ^a   Xiao, Li Dan ^a   Leung, Polly H M ^a   Li, Yi ^a   Yang, Mo ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Bacteria detection; Impedance sensor; Magnetic bead concentration; Nanoporous membrane

Indexed keywords

ALUMINA; ALUMINUM OXIDE; ANTIBODIES; CELLS; CYTOLOGY; ESCHERICHIA COLI; IMMUNOSENSORS; MEMBRANES; SCANNING ELECTRON MICROSCOPY; BACTERIA;

BACTERIA DETECTION; ELECTROCHEMICAL IMMUNOSENSORS; IMPEDANCE SENSORS; MAGNETIC BEADS; MAGNETIC CONCENTRATION; NANO-POROUS ALUMINA MEMBRANES; NANOPOROUS MEMBRANE; ULTRASENSITIVE DETECTION; BACTERIA CELL; BACTERIAL CELLS; DIRECT DETECTION; E. COLI; E.COLI O157:H7; FLUORESCENT MICROSCOPY; IMMOBILIZED ANTIBODIES; IMPEDANCE SPECTROSCOPY; SMALL REGION; ULTRASENSITIVITY;

MAGNETISM;

NANOBEAD; POLYSTYRENE; ALUMINUM OXIDE; BACTERIUM ANTIBODY; MACROGOL; SILANE; NANOMATERIAL;

ADSORPTION KINETICS; ANTIGEN BINDING; ARTICLE; BACTERIAL CELL; BACTERIUM DETECTION; COLONY FORMING UNIT; CONJUGATION; CONTROLLED STUDY; ELECTROCHEMICAL ANALYSIS; ESCHERICHIA COLI O157; FLUORESCENCE MICROSCOPY; HYDROLYSIS; IMMOBILIZATION; IMMUNOMAGNETIC SEPARATION; IMMUNOSENSOR; LIMIT OF DETECTION; MAGNETIC FIELD; NONHUMAN; PARTICLE SIZE; SCANNING ELECTRON MICROSCOPY; SENSITIVITY ANALYSIS; ANTIBODY SPECIFICITY; BACTERIUM CONJUGATION; BIOFUNCTIONAL MAGNETIC BEAD CONVERSATION; COLONY FORMING UNIT E; CONCENTRATION (PARAMETERS); ELECTROCHEMICAL IMMUNOSENSOR; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; ELECTROCHEMISTRY; INTERMETHOD COMPARISON; MAGNETISM; MEMBRANE PERMEABILITY; NANOPOROUS MEMBRANE; PROTEIN IMMOBILIZATION; SAMPLE SIZE; ARTIFICIAL MEMBRANE; CHEMISTRY; CONDUCTOMETRY; EQUIPMENT; EQUIPMENT DESIGN; EQUIPMENT FAILURE; GENETIC PROCEDURES; IMMUNOASSAY; IMMUNOLOGY; ISOLATION AND PURIFICATION; POROSITY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY; ULTRASTRUCTURE;

BACTERIA (MICROORGANISMS);

ANTIBODIES, BACTERIAL; BIOSENSING TECHNIQUES; CONDUCTOMETRY; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; ESCHERICHIA COLI O157; IMMUNOASSAY; IMMUNOMAGNETIC SEPARATION; MEMBRANES, ARTIFICIAL; NANOSTRUCTURES; POROSITY; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY;

EID: 84870836627     PISSN: 09565663     EISSN: 18734235     Source Type: Journal    
DOI: 10.1016/j.bios.2012.09.016     Document Type: Article

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