Sensitive dual DNAzymes-based sensors designed by grafting self-blocked G-quadruplex DNAzymes to the substrates of metal ion-triggered DNA/RNA-cleaving DNAzymes

Biosensors and Bioelectronics

Volumn 38, Issue 1, 2012, Pages 331-336

  Zhang, Qi ^a   Cai, Yang ^a   Li, Hui ^a   Kong, De Ming ^a   Shen, Han Xi ^a  

^a NANKAI UNIVERSITY   (China)

Author keywords

DNAzyme; G quadruplex; Metal ion; Nucleic acid cleavage; Sensor

Indexed keywords

COLORIMETRIC SENSORS; DETECTION LIMITS; DNAZYME; G-QUADRUPLEXES; G-RICH SEQUENCES; LABEL FREE; LOW BACKGROUND; METAL ION SENSORS; SENSING SYSTEMS; SENSOR DESIGNS; SIGNAL AMPLIFICATIONS; STEM-LOOP STRUCTURES;

DNA; LEAD; SENSORS; SIGNAL PROCESSING; SUBSTRATES;

METAL IONS;

2,2' AZINOBIS(3 ETHYLBENZOTHIAZOLINE 6 SULFONIC ACID); COPPER ION; DEOXYRIBOZYME; G QUADRUPLEX DEOXYRIBOZYME; HEMIN; HYDROGEN PEROXIDE; LEAD; MERCURY; METAL ION TRIGGERED DNA CLEAVING DEOXYRIBOZYME; METAL ION TRIGGERED RNA CLEAVING DEOXYRIBOZYME; UNCLASSIFIED DRUG;

ABSORPTION SIGNAL; ANALYTICAL PARAMETERS; ARTICLE; BINDING SITE; CHEMICAL PROCEDURES; COLORIMETRY; CONCENTRATION (PARAMETERS); CONTROLLED STUDY; ENZYME ACTIVE SITE; ENZYME SUBSTRATE COMPLEX; EQUIPMENT DESIGN; FEASIBILITY STUDY; LIMIT OF DETECTION; OXIDATION; REPRODUCIBILITY; SELECTIVITY; SELF BLOCKING MECHANISM; SENSITIVITY AND SPECIFICITY; SENSOR; SIGNAL NOISE RATIO; STEM LOOP STRUCTURE GRAFTING; WATER ANALYSIS;

BASE SEQUENCE; COLORIMETRY; COPPER; DNA; DNA, CATALYTIC; G-QUADRUPLEXES; IONS; LEAD; MERCURY; MOLECULAR SEQUENCE DATA; RNA; SENSITIVITY AND SPECIFICITY; SPECTROPHOTOMETRY;

EID: 84864379558     PISSN: 09565663     EISSN: 18734235     Source Type: Journal    
DOI: 10.1016/j.bios.2012.06.011     Document Type: Article

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