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Preparation and using method for glucose ampere detector based on novel nanocomposite material

An amperometric detector, glucose technology, applied in the direction of analyzing materials, electrochemical variables of materials, and material analysis through electromagnetic means, to achieve stable performance, outstanding electrochemical performance, and slow down the effect of loss

Inactive Publication Date: 2015-01-21
吴玲
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, obtaining highly dispersed metal particles on the CNT surface remains a challenge in order to improve the performance of amperometric biosensors with small loadings of Pt.

Method used

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  • Preparation and using method for glucose ampere detector based on novel nanocomposite material
  • Preparation and using method for glucose ampere detector based on novel nanocomposite material
  • Preparation and using method for glucose ampere detector based on novel nanocomposite material

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the examples, rather than limiting the present invention.

[0022] By using the present invention, we realize the simple, rapid and specific detection of the glucose concentration in the serum sample provided by a certain hospital.

[0023] Prepare the glucose sensor of the present invention:

[0024] Add 200 mg of CNTs to 1-vinyl-3-ethyltetrafluoroborate [VEIM]BF 4 (210 mg) and azobisisobutyronitrile AIBN (6.9 mg) in methanol, sonicated for 15 minutes, transferred to a 50 mL round-bottomed flask, and stirred at reflux for 16 hours at 80 oC under nitrogen protection. The mixture was then diluted with double-distilled water, filtered, and some of the polymers and [VEIM]BF 4 The monomer was washed away and dried to obtain carbon nanotubes (PIL-CNTs) wrapped by ionic liquid polymer film.

[0025] 20 mg PIL-CNTs with 665 μL H 2 PtCl 6 (38.6 mM) were mixed together in 25 mL of ethylene glycol, the...

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Abstract

The invention discloses a preparation and using method for a glucose ampere detector based on a novel nanocomposite material. The glucose ampere detector comprises a carbon nano tube, a platinum nano particle, a polymeric ionic liquid membrane and a glassy carbon electrode modified by glucose oxidase and used as a working electrode, wherein a platinum wire is used as a counter electrode; a mercurous chloride electrode is the three-electrode system of a reference electrode. The using method is as follows: under the three-electrode system, an electrochemical workstation is used for measuring the glucose content in the detecting process. According to the invention, compared with the conventional method, the sensitivity and the specificity are higher, and the detection is limited to 1 X 10-7 mol / L; in addition, the glucose ampere detector is simple in preparation and stable in property, can be reutilized, and is short in sample detecting time and convenient to operate.

Description

technical field [0001] The invention relates to a method for preparing and using a sensitive, rapid and specific glucose sensor based on a novel nanocomposite material of platinum nanoparticle / ionic liquid polymer membrane-carbon nanotube. Background technique [0002] Diabetes is a common disease in the world at present, and detecting the glucose content in human blood is very important for the diagnosis and control of diabetes. Since the first glucose enzyme electrode was successfully constructed in 1962, various types of glucose electrochemical biosensors have been developed. Among them, the glucose amperometric detector based on the principle of detecting hydrogen peroxide, an electrochemical reaction product, has attracted widespread attention due to its good sensitivity, selectivity, stability, reproducibility, and easy miniaturization. In terms of electrode preparation materials for glucose amperometric detectors, carbon nanotubes (CNTs) have been well established in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N27/327
Inventor 吴玲
Owner 吴玲
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