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In this work, we report an easily visualized liquid crystal (LC)-based structure to study the biological molecules interactions between Bovine serum albumin (BSA) and BSA antibody. The antibody concentration can be detected from 1ug to 10ng based on the proposed LC-based biosensor.
In this study, we propose a simple but very effective method that enables fabrication of all fiber liquid crystal interferometer as a high sensitive refractive index (RI) sensor. Experimental results show that the maximum RI sensitivity of the proposed sensor is 261.3 nm/RIU (refractive index unit).
We demonstrate a unique technique to solve the alignment of LCs in fiber core based on polymer surface stabilized alignment (PSSA) technique to make the reorientation of LCs aligned well in a preferred direction. The electro-optic characteristics of LC fiber devices can be efficiently modulated by the PSSA process conditions.
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