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DNA conformational polymorphism for biosensing applications
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DOI：10.1016/j.bios.2019.02.019.png)
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摘要
En 中文
In this mini review, we will briefly introduce the rapid development of DNA conformational polymorphism in biosensing field, including canonical DNA duplex, triplex, quadruplex, DNA origami, as well as more functionalized DNAs (aptamer, DNAzyme etc.). Various DNA structures are adopted to play important roles in sensor construction, through working as recognition receptor, signal reporter or linking staple for signal motifs, etc. We will mainly summarize their recent developments in DNA-based electrochemical and fluorescent sensors. For the electrochemical sensors, several types will be included, e.g. the amperometric, electrochemical impedance, electrochemiluminescence, as well as field-effect transistor sensors. For the fluorescent sensors, DNA is usually modified with fluorescent molecules or novel nanomaterials as report probes, excepting its core recognition function. Finally, general conclusion and future perspectives will be discussed for further developments.
Keyword:
SEQUENCE-SPECIFIC RECOGNITION
SINGLE NUCLEOTIDE POLYMORPHISM
FIELD-EFFECT TRANSISTOR
GRAPHENE QUANTUM DOTS
LABEL-FREE
NUCLEIC-ACID
ELECTROCHEMICAL DETECTION
TRIPLEX DNA
ELECTROCHEMILUMINESCENCE DETECTION
ULTRASENSITIVE DETECTION
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期刊
IF:
10.5
论文数:
1.8W
被引数:
7.7W
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