期刊
MATERIALS SCIENCE AND ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
卷 61, 期 -, 页码 246-250出版社
ELSEVIER
DOI: 10.1016/j.msec.2015.12.005
关键词
Testosterone; Biological fluids; Cetyltrimethylammonium bromide; Graphene
资金
- IFSM
Electro-reduction behavior of testosterone at reduced graphene oxide/glassy carbon electrode (rGO/GCE) was studied. Cationic surfactant cetyltrimethylammonium bromide (CTAB) enhanced the reduction peak of testosterone. In borate buffer (pH 5.4) CTAB-testosterone showed a reduction peak at -1.1 V (versus, Ag/AgCl). The increment of peak current obtained by deducting the reduction peak current of the CTAB-testosterone was rectilinear with testosterone concentration in the range of 2.0 to 210.0 nM, with a detection limit of 0.1 nM. The sensor was used for quantification of testosterone in biological fluids and drug. (C) 2015 Elsevier B.V. All rights reserved.
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