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학술지 Photosensitive Biosensor Array System Using Optical Addressing without an Addressing Circuit on Array Biochips
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저자
안창근, 아칠성, 김태엽, 박찬우, 양종헌, 김안순, 성건용
발행일
201009
출처
Applied Physics Letters, v.97 no.10, pp.1-3
ISSN
0003-6951
출판사
American Institute of Physics (AIP)
DOI
https://dx.doi.org/10.1063/1.3486179
초록
This paper introduces a photosensitive biosensor array system with a simple photodiode array that detects photocurrent changes caused by reactions between probe and target molecules. Using optical addressing, the addressing circuit on the array chip is removed for low-cost application, and real cell addressing is achieved using an externally located computer-controllable light-emitting diode array module. The fabricated biosensor array chip shows a good dynamic range of 1-100 ng/mL under prostate-specific antigen detection, with an on-chip resolution of roughly 1 ng/mL. © 2010 American Institute of Physics.
KSP 제안 키워드
Antigen detection, Biosensor array, Light-emitting diode array, Low-cost, On-chip, Photodiode array, Photosensitive biosensor, array chip, controllable light, dynamic range, light-emitting diode(LED)