کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5399271 1505892 2015 27 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of quencher, denaturants, temperature and pH on the fluorescent properties of BSA protected gold nanoclusters
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Effect of quencher, denaturants, temperature and pH on the fluorescent properties of BSA protected gold nanoclusters
چکیده انگلیسی
In this paper, we have synthesized BSA protected gold nanoclusters (BSA Au nanocluster) and studied the effect of quencher, protein denaturant, pH and temperature on the fluorescence properties of the tryptophan molecule of the BSA Au nanocluster and native BSA. We have also studied their effect on the peak emission of BSA Au nanoclusters (650 nm). The photophysical characterization of a newly developed fluorophore in different environments is absolutely necessary to futher develop their biomedical and analytical applications. It was observed from our experiments that the tryptophan in BSA Au nanoclusters is better shielded from the polar environment. Tryptophan in native BSA showed a red shift in its peak emission wavelength position. Tryptophan is a highly polarity sensitive dye and a minimal change in its microenvironment can be easily observed in its photophysical properties.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Luminescence - Volume 168, December 2015, Pages 62-68
نویسندگان
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