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  1. Article ; Online: Modulating the ESIPT Mechanism and Luminescence Characteristics of Two Reversible Fluorescent Probes by Solvent Polarity: A Novel Perspective.

    Wang, Yang / Mu, Hongyan / Sun, Yuhang / Gao, Jiaan / Zhu, Xiaodong / Li, Hui

    Molecules (Basel, Switzerland)

    2024  Volume 29, Issue 7

    Abstract: As reversible fluorescent probes, HTP-1 and HTP-2 have favourable applications for the detection of ... ...

    Abstract As reversible fluorescent probes, HTP-1 and HTP-2 have favourable applications for the detection of Zn
    Language English
    Publishing date 2024-04-05
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules29071629
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Photophysical Properties of (

    Sun, Yuhang / Mu, Hongyan / Wang, Yang / Gao, Jiaan / Zhang, Yifu / Li, Hui / Cai, Jixing

    The journal of physical chemistry. A

    2024  Volume 128, Issue 11, Page(s) 2092–2102

    Abstract: In view of the application prospects in biomedicine of ( ...

    Abstract In view of the application prospects in biomedicine of (
    Language English
    Publishing date 2024-03-11
    Publishing country United States
    Document type Journal Article
    ISSN 1520-5215
    ISSN (online) 1520-5215
    DOI 10.1021/acs.jpca.4c00084
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Paying Comprehensive Attention to the Temperature-Dependent Dual-Channel Excited-State Intramolecular Proton Transfer Mechanism of Fluorescence Ratio Probe BZ-DAM.

    Gao, Jiaan / Zhang, Yifu / Mu, Hongyan / Yang, Min / Guan, Xiaotong / Jin, Guangyong / Li, Hui

    International journal of molecular sciences

    2023  Volume 24, Issue 18

    Abstract: The mechanism of fluorescence detection of diethyl chlorophosphate (DCP) based on 2-substituted benzothiazole (BZ-DAM) was studied by a theoretical calculation method. It should not be ignored that both the BZ-DAM and the detection product BZ-CHO have ... ...

    Abstract The mechanism of fluorescence detection of diethyl chlorophosphate (DCP) based on 2-substituted benzothiazole (BZ-DAM) was studied by a theoretical calculation method. It should not be ignored that both the BZ-DAM and the detection product BZ-CHO have two excited-state intramolecular proton transfer (ESIPT) channels. Density functional theory (DFT) and time-dependent DFT (TDDFT) theory were used to study the photophysical mechanism of two compounds in two channels in (acetonitrile) ACN solvent, and the temperature dependence of the two channels was given. Channel 1 is more likely to exist at low temperatures and channel 2 is more likely to exist at high temperatures. By theoretical analysis of the constructed potential energy curve, the hydrogen bond energy and electron-hole analysis, we confirmed that both molecules undergo ESIPT and intramolecular charge transfer (ICT) processes in channel 1 and ESIPT and twisted intramolecular charge transfer (TICT) coupling processes in channel 2. The formation of product BZ-CHO molecules led to a significant fluorescence blue-shift phenomenon and inhibited the ICT process, which confirmed that BZ-DAM could be used as a fluorescence probe for fluorescence detection. We sincerely hope that this work will not only help to clarify the excited-state dynamics behavior of the BZ-DAM probe but also provide a new idea for designing and optimizing a new chemical dosimeter.
    MeSH term(s) Temperature ; Protons ; Fluorescence ; Cold Temperature ; Density Functional Theory ; Fluorescent Dyes
    Chemical Substances Protons ; Fluorescent Dyes
    Language English
    Publishing date 2023-09-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms241813899
    Database MEDical Literature Analysis and Retrieval System OnLINE

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