Journal
BIOSENSORS & BIOELECTRONICS
Volume 85, Issue -, Pages 110-127Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.04.069
Keywords
Liquid crystals; Biomolecular assemblies; Biosensors; Detection; Toxic chemicals
Categories
Funding
- Higher Education Commission (HEC) of Pakistan under NRPU Project [20-3066/NRPU/RD/HEC/13]
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In bulk phase, liquid crystalline molecules are organized due to non-covalent interactions and due to delicate nature of the present forces; this organization can easily be disrupted by any small external stimuli. This delicate nature of force balance in liquid crystals organization forms the basis of Liquid crystals based sensing scheme which has been exploited by many researchers for the optical visualization and sensing of many biological interactions as well as detection of number of analytes. In this review, we present not only an overview of the state of the art in liquid crystals based sensing scheme but also highlight its limitations. The approaches described below revolve around possibilities and limitations of key components of such sensing platform including bottom substrates, alignments layers, nature and type of liquid crystals, sensing compartments, various interfaces etc. This review also highlights potential materials to not only improve performance of the sensing scheme but also to bridge the gap between science and technology of liquid crystals based sensing scheme. (C) 2016 Elsevier B.V. All rights reserved.
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