期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 177, 期 -, 页码 848-855出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.11.064
关键词
Impedance sensing; Microfluidics; Biosensing; Nanoneedle; Nanotechnology; Protein detection; Protein array; Label-free detection
资金
- National Institutes of Health grant [PO1HG000205]
Here we present the development of an array of electrical micro-biosensors in a microfluidic channel, called microneedle biosensors. A microneedle biosensor is a real-time, label-free, direct electrical detection platform, which is capable of high sensitivity detection, measuring the change in ionic current and impedance modulation, due to the presence or reaction of biomolecules such as proteins and nucleic acids. In this study, we successfully fabricated and electrically characterized the sensors and demonstrated successful detection of target protein. In this study, we used biotinylated bovine serum albumin as the receptor and streptavidin as the target analyte. (c) 2012 Elsevier B.V. All rights reserved.
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