Development of three novel benzothiazole-based ratiometric fluorescent chemosensor for detecting of hydrazine in serum and gas phase via ESIPT process and different recognition sites |
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| Authors: | Meng Li Hui Chen Xiang Liu Yanlan Wang Nuonuo Zhang Kaibo Zheng |
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| Institution: | 1. College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, China;2. Material Analysis and Testing Center, China Three Gorges University, Yichang 443002, China;3. College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China |
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| Abstract: | In this article, we have successfully designed and synthesized three novel ratiometric fluorescent probes BTP-LA, BTP-LB and BTP-LN for detection of hydrazine based on benzothiazole-derived fluorophores and different recognition sites. The probes BTP-LA, BTP-LB and BTP-LN displays a good fluorescence ratio emission signals, high selectivity and large emission shifts (>100 nm) toward hydrazine. The three probes BTP-LA, BTP-LB and BTP-LN can be used not only to detect hydrazine in serum, but also to detect gaseous hydrazine in air. More importantly, compared with probes BTP-LB and BTP-LN, BTP-LA has lower saturation concentration (200 µM) and detection limits (1.22 × 10?7 M) to hydrazine. |
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| Keywords: | Corresponding authors Ratiometric fluorescent probe Hydrazine ESIPT Benzothiazole derivatives |
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