Journal
OPTICS COMMUNICATIONS
Volume 344, Issue -, Pages 129-133Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2015.01.028
Keywords
Cascaded double-microring resonators; Biosensor; Label-free
Categories
Funding
- National High Technology Research and Development Program of China [2014AA06A504]
- Science and Technology Depai Luient of Zhejiang Province [2014C31030]
- Fundamental Research Funds for Central Universities [2014QNA5018]
- National Natural Science Foundation of China [61307073]
- Samsung Electronics Co. Ltd.
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Fast and accurate quantitative measurement of biologically relevant molecules has been demonstrated for medical diagnostics and drug applications in photonic integrated circuits. Herein, we reported a highly-sensitive optical biosensor based on cascaded double-microring resonators. The sensor was integrated with microfluidic channels and investigated with its label-free detection capability. With a wavelength resolution of 0.47 nm, the measured binding capacity of the antibody on the surface exhibits reliable detection limit down to 7.10 mu g/mL using human immunoglobulin G (hIgG). (C) 2015 Elsevier B.V. All rights reserved.
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