Aptamer biosensor for label-free impedance spectroscopy detection of potassium ion based on DNA G-quadruplex conformation

Biosensors and Bioelectronics

Volumn 48, Issue , 2013, Pages 108-112

  Chen, Zhengbo ^a   Chen, Liang ^a   Ma, He ^a   Zhou, Tong ^a   Li, Xiaoxiao ^a  

^a CAPITAL NORMAL UNIVERSITY   (China)

Author keywords

Aptamer; Electrochemical impedance spectroscopy; G quadruplex; Potassium ion

Indexed keywords

APTAMERS; CONFORMATIONAL CHANGE; G-QUADRUPLEX STRUCTURE; G-QUADRUPLEXES; IMPEDANCE SPECTROSCOPY; INTERFACIAL ELECTRON TRANSFER; POTASSIUM IONS; SINGLE-STRANDED DNA;

BIOMOLECULES; BIOSENSORS; COPPER; DNA; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; METAL IONS; SPECTROSCOPY;

CHEMICAL DETECTION;

ALUMINUM; APTAMER; CALCIUM ION; COPPER ION; GUANINE QUADRUPLEX; LITHIUM ION; MAGNESIUM ION; NICKEL; POTASSIUM ION; SINGLE STRANDED DNA; SODIUM ION; ZINC ION;

ARTICLE; BIOSENSOR; CONCENTRATION (PARAMETERS); CONFORMATIONAL TRANSITION; DNA BINDING; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; ELECTRON TRANSPORT; IMMOBILIZATION; MONITORING;

APTAMERS, NUCLEOTIDE; BIOSENSING TECHNIQUES; CATIONS, MONOVALENT; DIELECTRIC SPECTROSCOPY; DNA, SINGLE-STRANDED; G-QUADRUPLEXES; HUMANS; LIMIT OF DETECTION; POTASSIUM;

EID: 84877360086     PISSN: 09565663     EISSN: 18734235     Source Type: Journal    
DOI: 10.1016/j.bios.2013.04.007     Document Type: Article

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