The PH Fluorescent Probe Based on Benzofuroxan Amine Derivatives

ZHANG Zhongyan; LIU Shiying; XU Jinsong; LU Pinting; LIU Xin; LI Xutian; MA Lijun

doi:10.6054/j.jscnun.2021070

ZHANG Zhongyan, LIU Shiying, XU Jinsong, LU Pinting, LIU Xin, LI Xutian, MA Lijun. The PH Fluorescent Probe Based on Benzofuroxan Amine DerivativesJ. Journal of South China Normal University (Natural Science Edition), 2021, 53(5): 17-22. DOI: 10.6054/j.jscnun.2021070

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The PH Fluorescent Probe Based on Benzofuroxan Amine Derivatives

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The fluorescent probes(NBD-N, NBD-NH, NBD-NH₂) were designed and synthesized using 4-chloro-7-nitrobenzofurazan (NBD-Cl). The structure of the probes was characterized with mass spectrometry and nuclear magnetism. It can recognize the pH of the aqueous solution in a reversible response within the pH range of 7.0~12.0. In addition, the coexistence of other common ions does not affect the fluorescent recognition signals of the three compounds. Therefore, the three compounds can be used for alkaline pH fluorescent probes.

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The PH Fluorescent Probe Based on Benzofuroxan Amine Derivatives

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