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Monitoring Various Bioactivities at the Molecular, Cellular, Tissue, and Organism Levels Via Biological Lasers

Overview
Journal Sensors (Basel)
Publisher MDPI
Specialty Biotechnology
Date 2022 May 20
PMID 35590841
Authors
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Abstract

The laser is considered one of the greatest inventions of the 20th century. Biolasers employ high signal-to-noise ratio lasing emission rather than regular fluorescence as the sensing signal, directional out-coupling of lasing and excellent biocompatibility. Meanwhile, biolasers can also be micro-sized or smaller lasers with embedded/integrated biological materials. This article presents the progress in biolasers, focusing on the work done over the past years, including the molecular, cellular, tissue, and organism levels. Furthermore, biolasers have been utilized and explored for broad applications in biosensing, labeling, tracking, bioimaging, and biomedical development due to a number of unique advantages. Finally, we provide the possible directions of biolasers and their applications in the future.

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