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Rapid colorimetric determination of dopamine based on the inhibition of the peroxidase mimicking activity of platinum loaded CoSn(OH)6 nanocubes

Platinum nanoparticles were loaded on CoSn(OH)6 nanocubes via a co-precipitation method. The material (NCs) is shown to be a viable peroxidase mimic that catalyzes the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by hydrogen peroxide (H 2 O 2 ) to generate oxidized TMB (oxTMB) with absorption a... Full description

Journal Title: Mikrochimica acta (1966) 2019-11-09, Vol.186 (12), p.755-755
Main Author: Liu, Hao
Other Authors: Ding, Ya-Nan , Bian, Bing , Li, Lei , Li, Ruomeng , Zhang, Xianxi , Liu, Zhenxue , Zhang, Xiao , Fan, Gaochao , Liu, Qingyun
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Vienna: Springer Vienna
ID: ISSN: 0026-3672
Link: https://www.ncbi.nlm.nih.gov/pubmed/31707595
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title: Rapid colorimetric determination of dopamine based on the inhibition of the peroxidase mimicking activity of platinum loaded CoSn(OH)6 nanocubes
format: Article
creator:
  • Liu, Hao
  • Ding, Ya-Nan
  • Bian, Bing
  • Li, Lei
  • Li, Ruomeng
  • Zhang, Xianxi
  • Liu, Zhenxue
  • Zhang, Xiao
  • Fan, Gaochao
  • Liu, Qingyun
subjects:
  • Analytical Chemistry
  • Benzidines - chemistry
  • Catalysis
  • Characterization and Evaluation of Materials
  • Chemistry
  • Chemistry and Materials Science
  • Cobalt - chemistry
  • Colorimetry - methods
  • Coloring Agents - chemistry
  • Dopamine - blood
  • Humans
  • Hydrogen Peroxide - chemistry
  • Hydroxides - chemistry
  • Limit of Detection
  • Metal Nanoparticles - chemistry
  • Microengineering
  • Nanochemistry
  • Nanotechnology
  • Original Paper
  • Oxidation-Reduction
  • Peroxidase - chemistry
  • Platinum - chemistry
  • Tin - chemistry
ispartof: Mikrochimica acta (1966), 2019-11-09, Vol.186 (12), p.755-755
description: Platinum nanoparticles were loaded on CoSn(OH)6 nanocubes via a co-precipitation method. The material (NCs) is shown to be a viable peroxidase mimic that catalyzes the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by hydrogen peroxide (H 2 O 2 ) to generate oxidized TMB (oxTMB) with absorption at 652 nm. The formation of the blue color can be observed in
language: eng
source:
identifier: ISSN: 0026-3672
fulltext: no_fulltext
issn:
  • 0026-3672
  • 1436-5073
url: Link


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titleRapid colorimetric determination of dopamine based on the inhibition of the peroxidase mimicking activity of platinum loaded CoSn(OH)6 nanocubes
creatorLiu, Hao ; Ding, Ya-Nan ; Bian, Bing ; Li, Lei ; Li, Ruomeng ; Zhang, Xianxi ; Liu, Zhenxue ; Zhang, Xiao ; Fan, Gaochao ; Liu, Qingyun
creatorcontribLiu, Hao ; Ding, Ya-Nan ; Bian, Bing ; Li, Lei ; Li, Ruomeng ; Zhang, Xianxi ; Liu, Zhenxue ; Zhang, Xiao ; Fan, Gaochao ; Liu, Qingyun
descriptionPlatinum nanoparticles were loaded on CoSn(OH)6 nanocubes via a co-precipitation method. The material (NCs) is shown to be a viable peroxidase mimic that catalyzes the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by hydrogen peroxide (H 2 O 2 ) to generate oxidized TMB (oxTMB) with absorption at 652 nm. The formation of the blue color can be observed in <30 s. Thus, a visual and colorimetric assay was worked out for H 2 O 2 . It has a detection limit as low as 4.4 μM and works in the 5 to 200 μM concentration range. The method was also used to detect dopamine (DA) which is found to inhibit the enzyme mimicking activity of the NCs. Hence, less blue color is formed in its presence. The respective DA assay has a linear response in the 5.0 to 60 μM concentration range and a 0.76 μM detection limit. Graphical abstract Schematic diagram of a visual colorimetric method for determination of H 2 O 2 and dopamine (DA) with the aid of color change of 3,3′,5,5′-tetramethylbenzidine (oxTMB), based on the peroxidase-like activity of Pt/CoSn(OH) 6 nanocubes.
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subjectAnalytical Chemistry ; Benzidines - chemistry ; Catalysis ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Cobalt - chemistry ; Colorimetry - methods ; Coloring Agents - chemistry ; Dopamine - blood ; Humans ; Hydrogen Peroxide - chemistry ; Hydroxides - chemistry ; Limit of Detection ; Metal Nanoparticles - chemistry ; Microengineering ; Nanochemistry ; Nanotechnology ; Original Paper ; Oxidation-Reduction ; Peroxidase - chemistry ; Platinum - chemistry ; Tin - chemistry
ispartofMikrochimica acta (1966), 2019-11-09, Vol.186 (12), p.755-755
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descriptionPlatinum nanoparticles were loaded on CoSn(OH)6 nanocubes via a co-precipitation method. The material (NCs) is shown to be a viable peroxidase mimic that catalyzes the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by hydrogen peroxide (H 2 O 2 ) to generate oxidized TMB (oxTMB) with absorption at 652 nm. The formation of the blue color can be observed in <30 s. Thus, a visual and colorimetric assay was worked out for H 2 O 2 . It has a detection limit as low as 4.4 μM and works in the 5 to 200 μM concentration range. The method was also used to detect dopamine (DA) which is found to inhibit the enzyme mimicking activity of the NCs. Hence, less blue color is formed in its presence. The respective DA assay has a linear response in the 5.0 to 60 μM concentration range and a 0.76 μM detection limit. Graphical abstract Schematic diagram of a visual colorimetric method for determination of H 2 O 2 and dopamine (DA) with the aid of color change of 3,3′,5,5′-tetramethylbenzidine (oxTMB), based on the peroxidase-like activity of Pt/CoSn(OH) 6 nanocubes.
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6Cobalt - chemistry
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abstractPlatinum nanoparticles were loaded on CoSn(OH)6 nanocubes via a co-precipitation method. The material (NCs) is shown to be a viable peroxidase mimic that catalyzes the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by hydrogen peroxide (H 2 O 2 ) to generate oxidized TMB (oxTMB) with absorption at 652 nm. The formation of the blue color can be observed in <30 s. Thus, a visual and colorimetric assay was worked out for H 2 O 2 . It has a detection limit as low as 4.4 μM and works in the 5 to 200 μM concentration range. The method was also used to detect dopamine (DA) which is found to inhibit the enzyme mimicking activity of the NCs. Hence, less blue color is formed in its presence. The respective DA assay has a linear response in the 5.0 to 60 μM concentration range and a 0.76 μM detection limit. Graphical abstract Schematic diagram of a visual colorimetric method for determination of H 2 O 2 and dopamine (DA) with the aid of color change of 3,3′,5,5′-tetramethylbenzidine (oxTMB), based on the peroxidase-like activity of Pt/CoSn(OH) 6 nanocubes.
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