Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 31, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202205758
Keywords
Near-Infrared Light; Photochromism; Photoswitches; Visible Light
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Funding
- NSFC [22122803, 21788102, 21878086, 22101084]
- Shanghai Municipal Science and Technology Major Project [2018SHZDZX03]
- international cooperation program of Shanghai Science and Technology Committee [17520750100]
- Fundamental Research Funds for the Central Universities [222201717003]
- China Postdoctoral Science Foundation [2020TQ0095, 2021M691005]
- Shanghai Rising-Star Program [19QA1402500]
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This review highlights recent progress in the development of red-shifted photoswitches that can be activated by visible and near-infrared light and exhibit different photochromic reaction mechanisms. These red-shifted photoswitches have great potential in biotechnology and materials chemistry applications.
Light offers unique opportunities for controlling the activity of materials and biosystems with high spatiotemporal resolution. Molecular photoswitches are chromophores that undergo reversible isomerization between different states upon irradiation with light, allowing a convenient means to control their influence over the system of interest. However, a significant limitation of classical photoswitches is the requirement to initiate the switching in one or both directions using deleterious UV light with poor tissue penetration. Red-shifted photoswitches are hence in high demand and have attracted keen recent research interest. In this Review, we highlight recent progress towards the development of visible- and NIR-activated photoswitches characterized by distinct photochromic reaction mechanisms. We hope to inspire further endeavors in this field, allowing the full potential of these tools in biotechnology and materials chemistry applications to be realized.
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