Simultaneous determination of two flavonoids based on disulfide linked β-cyclodextrin dimer and Pd cluster functionalized graphene-modified electrode

RSC Advances ◽  
2015 ◽  
Vol 5 (75) ◽  
pp. 60775-60785 ◽  
Author(s):  
Xin Ran ◽  
Long Yang ◽  
Genfu Zhao ◽  
Hanzhang Ye ◽  
Yanqiong Zhang ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Modified Electrode ◽  
Functionalized Graphene ◽  
Cyclodextrin Dimer

Illustration of the SS-β-CD–Pd@RGO nanohybrids simultaneously sensing baicalin and luteolin by an electrochemical strategy.

scholarly journals Simultaneous Determination of Uric Acid and Xanthine Using a Poly(Methylene Blue) and Electrochemically Reduced Graphene Oxide Composite Film Modified Electrode

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Gen Liu ◽  
Wei Ma ◽  
Yan Luo ◽  
Deng-ming Sun ◽  
Shuang Shao
Keyword(s):  
Methylene Blue ◽  
Uric Acid ◽  
Graphene Oxide ◽  
Composite Film ◽  
Simultaneous Determination ◽  
Reduced Graphene Oxide ◽  
Modified Electrode ◽  
Reduced Graphene ◽  
Electrochemically Reduced Graphene Oxide

Poly(methylene blue) and electrochemically reduced graphene oxide composite film modified electrode (PMB-ERGO/GCE) was successfully fabricated by electropolymerization and was used for simultaneous determination of uric acid (UA) and xanthine (Xa). Based on the excellent electrocatalytic activity of PMB-ERGO/GCE, the electrochemical behaviors of UA and Xa were studied by cyclic voltammetry (CV) and square wave voltammetry (SWV). Two anodic sensitive peaks at 0.630 V (versus Ag/AgCl) for UA and 1.006 V (versus Ag/AgCl) for Xa were given by CV in pH 3.0 phosphate buffer. The calibration curves for UA and Xa were obtained in the range of 8.00 × 10−8~4.00 × 10−4 M and 1.00 × 10−7~4.00 × 10−4 M, respectively, by SWV. The detection limits for UA and Xa were3.00×10-8 M and5.00×10-8 M, respectively. Finally, the proposed method was applied to simultaneously determine UA and Xa in human urine with good selectivity and high sensitivity.

Facile synthesized SnO 2 decorated functionalized graphene modified electrode for sensitive determination of daidzein

Talanta ◽  
2017 ◽  
Vol 168 ◽  
pp. 1-9 ◽  
Author(s):  
Yamin Fu ◽  
Lu Wang ◽  
Yinghao Duan ◽  
Lina Zou ◽  
Baoxian Ye
Keyword(s):  
Modified Electrode ◽  
Functionalized Graphene ◽  
Sensitive Determination

Simultaneous determination of captopril, acetaminophen and tryptophan at a modified electrode based on carbon nanotubes

2012 ◽  
Vol 686 ◽  
pp. 12-18 ◽  
Author(s):  
Mohammad Mazloum-Ardakani ◽  
Mohammad Ali Sheikh-Mohseni ◽  
Bibi-Fatemeh Mirjalili ◽  
Leila Zamani
Keyword(s):  
Carbon Nanotubes ◽  
Simultaneous Determination ◽  
Modified Electrode
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