Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2016-01-05

A rapid and sensitive assay for determination of doxycycline using thioglycolic acid-capped cadmium telluride quantum dots.

Javad Tashkhourian, Ghodratollah Absalan, Marzieh Jafari, Saber Zare

文献索引：Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 152 , 119-25, (2015)

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摘要

A rapid, simple and inexpensive spectrofluorimetric sensor for determination of doxycycline based on its interaction with thioglycolic acid-capped cadmium telluride quantum dots (TGA/CdTe QDs) has been developed. Under the optimum experimental conditions, the sensor exhibited a fast response time of <10s. The results revealed that doxycycline could quench the fluorescence of TGA/CdTe QDs via electron transfer from the QDs to doxycycline through a dynamic quenching mechanism. The sensor permitted determination of doxycycline in a concentration range of 1.9×10(-6)-6.1×10(-5)molL(-1) with a detection limit of 1.1×10(-7)molL(-1). The sensor was applied for determination of doxycycline in honey and human serum samples.Copyright © 2015 Elsevier B.V. All rights reserved.

相关化合物

  • 乙酸钠
  • 硼氢化钠
  • 氢氧化钠
  • 溴化钾
  • 磷酸
  • 盐酸
  • 硝酸钠
  • 硼酸
  • 硝酸钾
  • 碲粉

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