期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 241, 期 -, 页码 1114-1119出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2017.06.106
关键词
Carbon nanostructures; Graphene quantum dots; Biosensor; Staphylococcus aureus; Escherichia coli; Photoluminescence
资金
- council of Iran National Science Foundation (INSF)
- University of Kashan [159271/89920]
The rapid detection of bacterial pathogens is very important for medical diagnostics, biosecurity, transportation and the prevention of global pandemics. Here graphene quantum dots (GQDs) are prepared by using citric acid and ethylenediamine and hydrothermal as starting materials and synthesis method. Product is characterized by X-ray diffraction analysis, FT-IR spectroscopy,Transmission,electron microscopy (TEM), thermogravimetric analysis (TGA) and photoluminescence (PL) spectroscopy. In the following, graphene quantum dots are used as photoluminescence sensor for detecting Staphylococcus aureus and E. coll. It is found that graphene quantum dots are sensitive at the range of 0 to 9 x 10(7) range for Staphylococcus aureus and E. coll. (C) 2017 Elsevier B.V. All rights reserved.
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