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- W4313478857 endingPage "119658" @default.
- W4313478857 startingPage "119658" @default.
- W4313478857 abstract "Formaldehyde (FA) is an environmental toxin and widely used in building and decorating materials, which is listed as a class 1 carcinogen. Silver ion (Ag+) has a beneficial bactericidal effect, while it can also cause silver poisoning and skin damage. Therefore, developing a quantitative detection technique for formaldehyde and Ag+ is necessary. In this study, a novel difunctional fluorescent probe (DBP) was designed and synthesized based on the natural product dehydroabietic acid, which could selectively detect formaldehyde and Ag+ through “turn-on” and “turn-off” fluorescence response, respectively. The probe DBP performed satisfactory nanomolar-level detection limit to formaldehyde (38 nM) and Ag+ (19 nM) in ethanol/PBS (3/7, v/v, pH = 7.4) solution. Furthermore, DBP could effectively recognize formaldehyde and Ag+ within a short response time (FA: 15 min, Ag+: 100 s) and a wide pH range (5–10). The sensing mechanisms of DBP to FA and Ag+ were well verified by 1H NMR titration, ESI-MS, DFT computation, and Job's plot analysis. What is more, the applications in bioimaging were carried out in MCF-7 cells and living zebrafish. Besides, the probe DBP was successfully applied in detecting FA and Ag+ in actual food and water samples, and the DBP-loaded filter paper was prepared for convenient tracking gaseous FA and Ag+." @default.
- W4313478857 created "2023-01-06" @default.
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- W4313478857 date "2023-05-01" @default.
- W4313478857 modified "2023-09-27" @default.
- W4313478857 title "A highly sensitive dehydroabietic acid-based difunctional fluorescent probe for detecting formaldehyde and Ag+" @default.
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- W4313478857 doi "https://doi.org/10.1016/j.jlumin.2022.119658" @default.
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