Mr. Sichao Shi Profile

Sichao Shi

at Huazhong Univ of Science and Technology

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Proceedings Article | 5 January 2017 Paper

Micro-ring sensor used in the diagnosis of gastric cancer

Sichao Shi, Qing Cheng, Rong Lin, Da Su, Ying Huang

Proceedings Volume 10244, 102441K (2017) https://doi.org/10.1117/12.2264220

KEYWORDS: Microrings, Sensors, Cancer, Biosensors

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To find a detecting method that can be applied to the clinical screening and diagnosis, the cascaded micro-ring sensor with Vernier effect was used to distinguish gastric cancerous and normal cells. The simulation by FDTD of the cascaded microring sensor with different refractive indexes of the analyte (normal cells and gastric cancer cells) will be presented. In the simulation, with the refractive index’s change Δn=0.02 for the two different analyte, the shift of sensor’s resonant wavelength is 6.71nm. And the cascaded micro-ring sensor’s sensitivity S is 335.5nm/RIU, and it is much larger compared to 19nm/RIU for a single ring sensor.

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