期刊
ACS OMEGA
卷 7, 期 42, 页码 36988-37007出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.2c04969
关键词
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资金
- CSIR, New Delhi, India
- IIEST, Shibpur
- [08/003(0143)/2020-EMR-I]
This review highlights recent advancements (2019-2022) in spiropyran-merocyanine based fluorogenic and chromogenic probes for the selective detection of various metal ions, anions, neutral analytes, and pH. The design strategies, sensing mechanisms, and biological and environmental applications are precisely explained.
Due to ever-increasing insights into their funda-mental properties and photochromic behaviors, spiropyran derivatives are still a target of interest for researchers. The interswitching ability of this photochrome between the spiropyran (SP) and merocyanine (MC) isoforms under external stimuli (light, cations, anions, pH etc.) with different spectral properties as well as the protonation-deprotonation of its MC form allows researchers to use it suitably in sensing purposes by developing different colorimetric and fluorometric probes. Selective and sensitive recognition can be achieved by little modification of its SP moiety and functional groups. In this review, we emphasize the recent advancements (from 2019 to 2022) of spiropyran- merocyanine based fluorogenic and chromogenic probes for selective detection of various metal ions, anions, neutral analytes, and pH. We precisely explain their design strategies, sensing mechanisms, and biological and environmental applications. This review may accelerate the improvements in designing more advanced probes with innovative applications in the near future.
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