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author:

Chen, X. (Chen, X..) [1] | Yang, G. (Yang, G..) [2] | Feng, S. (Feng, S..) [3] | Shi, L. (Shi, L..) [4] | Huang, Z. (Huang, Z..) [5] | Pan, H. (Pan, H..) [6] | Liu, W. (Liu, W..) [7]

Indexed by:

Scopus

Abstract:

A hydrothermal approach was used to prepare B-doped graphene with B 2 O 3 as reductant and boron source. Results reveal that the boron atoms have been successfully embedded into graphene with a high content of a total B species (2.85 at.%). Then, B-doped graphene was exfoliated further into monolayer nanosheet by impregnating Au@AuPt core-shell nanoparticles (Au@AuPt NPs) because boron atom creates a net positive charge, which facilitates Au@AuPt NPs adsorption to form Au@AuPt NPs/B-doped graphene hybrid nanocatalysts. After that, the Au@AuPt NPs/B-doped hybrid suspension was dropped on glassy carbon electrode for sensing rutin. In this way, the dispersed carboxyl units of B-doped graphene can form hydrogen bonding with the phenolic hydroxyl groups of rutin, making rutin enrich easily on modified electrode surface to enhance the electrochemical response. At the same time, its electrochemical mechanism on the modified electrode was elucidated using cyclic voltammetry. It was found that its electrochemical behavior on modified electrode surface was a surface-controlled quasi-reversible process, and the charge transfer coefficient (α) and electron transfer number (n) were 0.296 and 2, respectively. This electrochemical sensor for rutin provided a wide linear response range of 2.00 × 10 −9 –4.00 × 10 −6  M with the detection limit (S/N = 3) of 2.84 × 10 −10  M. The proposed method was applied successfully to selective determination of rutin in Tablets with acceptable recovery range (97.23–101.65%). © 2017

Keyword:

Au@AuPt NPs; B-doped graphene; Electrochemical sensor; Hybrid nanocatalysts; Rutin

Community:

  • [ 1 ] [Chen, X.]School of Science, Honghe University, China
  • [ 2 ] [Chen, X.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China
  • [ 3 ] [Yang, G.]School of Science, Honghe University, China
  • [ 4 ] [Yang, G.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China
  • [ 5 ] [Feng, S.]School of Science, Honghe University, China
  • [ 6 ] [Feng, S.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China
  • [ 7 ] [Shi, L.]School of Science, Honghe University, China
  • [ 8 ] [Shi, L.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China
  • [ 9 ] [Huang, Z.]School of Science, Honghe University, China
  • [ 10 ] [Huang, Z.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China
  • [ 11 ] [Pan, H.]Fujian Key Lab of Medical Instrument &
  • [ 12 ] Pharmaceutical Technology, Yishan Campus, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 13 ] [Liu, W.]School of Science, Honghe University, China
  • [ 14 ] [Liu, W.]Key Laboratory of Natural Pharamaceutical & Chemical Biology of Yunnan Province MengziYunnan 661100, China

Reprint 's Address:

  • [Liu, W.]School of Science, Honghe UniversityChina

Email:

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Source :

Applied Surface Science

ISSN: 0169-4332

Year: 2017

Volume: 402

Page: 232-244

4 . 4 3 9

JCR@2017

6 . 3 0 0

JCR@2023

ESI HC Threshold:306

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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