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One-step reduction deposition method of graphene/phenylboronic acid complex for glucose detection

A technology of graphene and phenylboronic acid, which is applied in the direction of measuring devices, instruments, and electrochemical variables of materials, can solve the problems of complex pretreatment process and high production cost, and achieve high room temperature electron mobility, low cost, and good robustness Effect

Active Publication Date: 2019-01-01
ZHEJIANG UNIV
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  • Application Information

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Problems solved by technology

Traditional electrodes commonly used in the field of electrochemical analysis include glassy carbon electrodes, gold electrodes, platinum electrodes, etc. The main disadvantages of these electrodes are high production costs and usually require complex pre-treatment processes

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  • One-step reduction deposition method of graphene/phenylboronic acid complex for glucose detection
  • One-step reduction deposition method of graphene/phenylboronic acid complex for glucose detection
  • One-step reduction deposition method of graphene/phenylboronic acid complex for glucose detection

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Embodiment Construction

[0054] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited.

[0055] The invention provides a method for one-step reduction and deposition of graphene / phenylboronic acid composites for glucose detection, the method is implemented on an impedance detection system, and the impedance detection system includes: a screen printing electrode testing system (1), an electrical Chemical impedance testing workstation (13) and display (18); screen printing electrode testing system (1) includes sample cell (2), sealing ring (3), carbon working electrode (4), carbon counter electrode (5), silver / silver chloride reference electrode (6), insulating waterproof layer (7), conductive silver layer (8), electrode conversion socket (9), counter electrode interface (10), working electrode interface (11), reference electrode interface (12); the hollow structure of the sample cell (2)...

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Abstract

The invention discloses a method for detecting glucose through one-step reduction and deposition of a graphene / phenylboronic acid compound. The method includes: preparing a screen-printed electrode, and making corresponding testing peripherals; synthesizing a graphene oxide / phenylboronic acid compound which is used for subsequent electrode specificity modifying; using cyclic voltammetry to realize one-step reduction and deposition of the graphene / phenylboronic acid compound on the surface of the printed carbon electrode to complete specificity modifying of the electrode; using the modified electrode in detection of glucose. The method realizes one-step reduction and deposition of graphene, the technology is applied in the process of detecting glucose, and the method has the advantages that operation steps are simple, devices are portable and universal, and stability is high and can adapt to requirements of instant biochemical detection.

Description

technical field [0001] The invention relates to a technique for one-step reduction and deposition of graphene, in particular to a method for one-step reduction and deposition of graphene / phenylboronic acid compound for glucose detection. Background technique [0002] Graphene oxide has a large number of carboxyl groups that can be used to covalently immobilize sensitive substances to achieve biochemical detection, but its poor electrical properties limit its application in electrochemical sensing. Graphene has the advantages of large specific surface area, high electrical conductivity and room temperature electron mobility, good electrochemical stability, and small charge transfer resistance. Graphene oxide can be converted into reduced graphene oxide (with the properties of graphene) through chemical, electrochemical, thermal reduction and other technologies to improve its conductivity and sensitivity. In addition, another important part of electrochemical biosensing is to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30G01N27/327
CPCG01N27/301G01N27/308G01N27/327
Inventor 刘清君李爽张倩卢研利吴佳佳
Owner ZHEJIANG UNIV
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