Journal
BIOSENSORS & BIOELECTRONICS
Volume 168, Issue -, Pages -Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2020.112575
Keywords
Label-free optical biosensors; Surface wave imaging; Photonic crystal surface modes; SPRi; PCSMi
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Funding
- Russian Foundation for Basic Research [18-32-00797]
- Russian Science Foundation [17-75-30064]
- Russian Science Foundation [17-75-30064] Funding Source: Russian Science Foundation
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A photonic crystal surface mode imaging (PCSMi) technique is implemented for the simultaneous detection of antibody binding with specific antigens in arrays containing 96- and 384-spots. Like the surface plasmon resonance imaging (SPRi) technique, the presented approach is label-free and permits interrogating an analyte by hundreds of different ligands immobilized in small spots. The adsorption kinetics is recorded with a subpicogram resolution at every spot simultaneously. Possible implementations of this technique for multiplexed and high-throughput biosensing are discussed.
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