کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7138687 1462016 2018 21 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A biomolecule-based fluorescence chemosensor for sequential detection of Ag+ and H2S in 100% aqueous solution and living cells
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
A biomolecule-based fluorescence chemosensor for sequential detection of Ag+ and H2S in 100% aqueous solution and living cells
چکیده انگلیسی
The silver ions (Ag+) and hydrogen sulfide (H2S) play extremely an important role in the organism and the environment, while there lack a novel probe with biodegradability, good water solubility, and good biocompatibility to detect Ag+ and H2S individually. Herein, a novel fluorescence chemosensor DP (Dansyl-Leu-Leu-Cys-Acp-Asp-OH) based on biomolecular peptide has been designed and synthesized, which can be used in the detection of intracellular and environmental Ag+ and H2S. The DP exhibited high selectivity and sensitivity, excellent cell permeation, biodegradability, good water solubility, and pH insensitivity over a biologically relevant range, with detection limits of 61.7 nM and 74.0 nM for Ag+ and H2S, respectively. This work can inspire the design of multi-functional fluorescence sensor based on beacon peptides by modifying lateral and terminal groups for imaging applications in physiological and pathological events.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 273, 10 November 2018, Pages 93-100
نویسندگان
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