Light-Responsive Materials in Droplet Manipulation for Biochemical Applications
ADVANCED MATERIALS(2024)
Abstract
Miniaturized droplets, characterized by well-controlled microenvironments and capability for parallel processing, have significantly advanced the studies on enzymatic evolution, molecular diagnostics, and single-cell analysis. However, manipulation of small-sized droplets, including moving, merging, and trapping of the targeted droplets for complex biochemical assays and subsequent analysis, is not trivial and remains technically demanding. Among various techniques, light-driven methods stand out as a promising candidate for droplet manipulation in a facile and flexible manner, given the features of contactless interaction, high spatiotemporal resolution, and biocompatibility. This review therefore compiles an in-depth discussion of the governing mechanisms underpinning light-driven droplet manipulation. Besides, light-responsive materials, representing the core of light-matter interaction and the key character converting light into different forms of energy, are particularly assessed in this review. Recent advancements in light-responsive materials and the most notable applications are comprehensively archived and evaluated. Continuous innovations and rational engineering of light-responsive materials are expected to propel the development of light-driven droplet manipulation, equip droplets with enhanced functionality, and broaden the applications of droplets for biochemical studies and routine biochemical investigations. Light-driven droplet manipulation strategies, featured in contactless interaction, high-spatiotemporal resolution, and biocompatibility, are considered promising, particularly for biochemical applications. Special attention is paid to the underlying mechanisms, recent advancements of light-responsive materials, and the most notable applications of light-driven droplet manipulation in this review. image
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Key words
droplet,light-driven droplet manipulation,light-responsive materials
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