Journal
CURRENT OPINION IN ELECTROCHEMISTRY
Volume 28, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.coelec.2021.100727
Keywords
Light-addressable potentiometric sensor (LAPS); Cell monitoring; Biosensing; Amplitude-mode LAPS; Phase-mode LAPS; Scanning photoinduced impedance microscopy (SPIM)
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The light-addressable potentiometric sensor (LAPS) is a versatile platform for chemical and biosensing, with the ability to divide its flat sensor surface into separate areas or pixels for independent sensing. It has been widely applied to cells and biological samples, with recent trends and applications focusing on advancements in technology and biomaterials.
The light-addressable potentiometric sensor (LAPS) represents a versatile platform for chemical and biosensing. Thanks to the light addressability, the flat sensor surface of a LAPS can be flexibly divided into areas or pixels, each functioning as an independent sensor that can be modified with various sensing materials for measuring different ions or molecules. Since it first appeared in the late 1980s, it has been applied to various cells and biological samples, driven by technological developments. In this short review, the principles of a LAPS and its variants are briefly described focusing on recent trends and applications to cells and biosensing.
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