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Hemin-porous g-C3N4 hybrid nanosheets as an efficient peroxidase mimic for colorimetric and visual determination of glucose

A method is described for colorimetric determination of glucose by using hemin-porous graphitic carbon nitride (g-C 3 N 4 ) hybrid nanosheets as a peroxidase mimic. The porous g-C 3 N 4 nanosheets were prepared by a combination of one-pot self-polymerization, pyrolysis and liquid-phase exfoliation.... Full description

Journal Title: Mikrochimica acta (1966) 2019-06-13, Vol.186 (7), p.446-446
Main Author: Wang, Yan
Other Authors: Liu, Rui-Lin , Chen, Guo-Ning , Wang, Lu , Yu, Pei , Shu, Hua , Bashir, Kamran , Fu, Qiang
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Vienna: Springer Vienna
ID: ISSN: 0026-3672
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recordid: cdi_proquest_miscellaneous_2246243514
title: Hemin-porous g-C3N4 hybrid nanosheets as an efficient peroxidase mimic for colorimetric and visual determination of glucose
format: Article
creator:
  • Wang, Yan
  • Liu, Rui-Lin
  • Chen, Guo-Ning
  • Wang, Lu
  • Yu, Pei
  • Shu, Hua
  • Bashir, Kamran
  • Fu, Qiang
subjects:
  • Analytical Chemistry
  • Characterization and Evaluation of Materials
  • Chemistry
  • Chemistry and Materials Science
  • Microengineering
  • Nanochemistry
  • Nanotechnology
  • Original Paper
ispartof: Mikrochimica acta (1966), 2019-06-13, Vol.186 (7), p.446-446
description: A method is described for colorimetric determination of glucose by using hemin-porous graphitic carbon nitride (g-C 3 N 4 ) hybrid nanosheets as a peroxidase mimic. The porous g-C 3 N 4 nanosheets were prepared by a combination of one-pot self-polymerization, pyrolysis and liquid-phase exfoliation. The hemin-porous g-C 3 N 4 hybrid nanosheets were prepared via in-situ deposition. It is shown that the hybrid composite has improved dispersibility, stability, and peroxidase-mimicking activity in the 3,3′,5,5′–tetramethylbenzidine (TMB)/H 2 O 2 system. This is deemed to be the result of the synergistic effect of hemin and porous g-C 3 N 4 nanosheets. Based on these advantages of the nanosheets, a simple, low-cost, sensitive and selective colorimetric method was established for the determination of glucose at pH values around 7. Best performed at a wavelength of 652 nm, the assay has a linear response in the 10.0 μM to 500 μM glucose concentration range (R 2  = 0.9942) and a 1.94 μM limit of detection. This method was successfully applied to the determination of glucose in (spiked) human serum samples. In our perception, the hybrid is a robust peroxidase mimic for use in POx-based assays as needed in medical diagnosis and environmental analysis. Graphical abstract Schematic presentation of the process of hemin-porous g-C 3 N 4 hybrid nanosheets catalyzing the oxidation of peroxidase chromogenic substrate tetramethylbenzidine (TMB) in the presence of H 2 O 2 . The material was applied in colorimetric and visual determination of H 2 O 2 and glucose.
language: eng
source:
identifier: ISSN: 0026-3672
fulltext: no_fulltext
issn:
  • 0026-3672
  • 1436-5073
url: Link


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descriptionA method is described for colorimetric determination of glucose by using hemin-porous graphitic carbon nitride (g-C 3 N 4 ) hybrid nanosheets as a peroxidase mimic. The porous g-C 3 N 4 nanosheets were prepared by a combination of one-pot self-polymerization, pyrolysis and liquid-phase exfoliation. The hemin-porous g-C 3 N 4 hybrid nanosheets were prepared via in-situ deposition. It is shown that the hybrid composite has improved dispersibility, stability, and peroxidase-mimicking activity in the 3,3′,5,5′–tetramethylbenzidine (TMB)/H 2 O 2 system. This is deemed to be the result of the synergistic effect of hemin and porous g-C 3 N 4 nanosheets. Based on these advantages of the nanosheets, a simple, low-cost, sensitive and selective colorimetric method was established for the determination of glucose at pH values around 7. Best performed at a wavelength of 652 nm, the assay has a linear response in the 10.0 μM to 500 μM glucose concentration range (R 2  = 0.9942) and a 1.94 μM limit of detection. This method was successfully applied to the determination of glucose in (spiked) human serum samples. In our perception, the hybrid is a robust peroxidase mimic for use in POx-based assays as needed in medical diagnosis and environmental analysis. Graphical abstract Schematic presentation of the process of hemin-porous g-C 3 N 4 hybrid nanosheets catalyzing the oxidation of peroxidase chromogenic substrate tetramethylbenzidine (TMB) in the presence of H 2 O 2 . The material was applied in colorimetric and visual determination of H 2 O 2 and glucose.
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subjectAnalytical Chemistry ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Microengineering ; Nanochemistry ; Nanotechnology ; Original Paper
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abstractA method is described for colorimetric determination of glucose by using hemin-porous graphitic carbon nitride (g-C 3 N 4 ) hybrid nanosheets as a peroxidase mimic. The porous g-C 3 N 4 nanosheets were prepared by a combination of one-pot self-polymerization, pyrolysis and liquid-phase exfoliation. The hemin-porous g-C 3 N 4 hybrid nanosheets were prepared via in-situ deposition. It is shown that the hybrid composite has improved dispersibility, stability, and peroxidase-mimicking activity in the 3,3′,5,5′–tetramethylbenzidine (TMB)/H 2 O 2 system. This is deemed to be the result of the synergistic effect of hemin and porous g-C 3 N 4 nanosheets. Based on these advantages of the nanosheets, a simple, low-cost, sensitive and selective colorimetric method was established for the determination of glucose at pH values around 7. Best performed at a wavelength of 652 nm, the assay has a linear response in the 10.0 μM to 500 μM glucose concentration range (R 2  = 0.9942) and a 1.94 μM limit of detection. This method was successfully applied to the determination of glucose in (spiked) human serum samples. In our perception, the hybrid is a robust peroxidase mimic for use in POx-based assays as needed in medical diagnosis and environmental analysis. Graphical abstract Schematic presentation of the process of hemin-porous g-C 3 N 4 hybrid nanosheets catalyzing the oxidation of peroxidase chromogenic substrate tetramethylbenzidine (TMB) in the presence of H 2 O 2 . The material was applied in colorimetric and visual determination of H 2 O 2 and glucose.
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doi10.1007/s00604-019-3564-9