期刊
LUMINESCENCE
卷 33, 期 1, 页码 174-180出版社
WILEY
DOI: 10.1002/bio.3390
关键词
boron and nitrogen co-doped carbon dots; curcumin; fluorescent probe
资金
- National Natural Science Foundation of China [21175086]
- Natural Science Foundation of Shanxi Province of China [201601D011018]
- PhD Start-up Foundation of Shanxi Medical University [03201514]
- Shanxi Medical University of Science and Technology Innovation Fund [01201312]
- Shanxi College Students' Innovative Entrepreneurial Training Project [20161219115458588]
- College Students' Innovative Entrepreneurial Training Project of Shanxi Medical University [20162202]
In this present study, a fluorescent probe was developed to detect curcumin, which is derived from the rhizomes of the turmeric. We used a simple and economical way to synthesize boron and nitrogen co-doped carbon dots (BNCDs) by microwave heating. The maximum emission wavelength of the BNCDs was 450nm at an excitation wavelength of 360nm. The as-prepared BNCDs were characterized by multiple analytical techniques such as transmission electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and infrared spectroscopy. The synthesized carbon nanoparticles had an average particle diameter of 4.23nm. The BNCDs exhibited high sensitivity to the detection of curcumin at ambient conditions. The changes of BNCDs fluorescent intensity show a good linear relationship with the curcumin concentrations in the range 0.2-12.5M. This proposed method has been successfully applied to detect the curcumin in urine samples with the recoveries of 96.5-105.5%.
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