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Preparation and application of Mxene-Mn3(PO4)2 composite electrode material

A composite electrode, manganese phosphate technology, applied in the direction of material analysis by electromagnetic means, analysis of materials, material electrochemical variables, etc., can solve the problem of affecting the accuracy of sensor detection performance, high cost of enzyme-based biosensors, and unstable biological enzyme activity. and other problems, to achieve the effect of favorable electrode reaction and sensor performance, favorable electron and ion transmission, and great application value

Inactive Publication Date: 2018-10-02
SOUTHWEST UNIVERSITY
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Problems solved by technology

However, the activity of biological enzymes is unstable, resulting in high cost and poor stability of enzyme-based biosensors, which affects the detection performance and accuracy of the sensor.

Method used

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  • Preparation and application of Mxene-Mn3(PO4)2 composite electrode material
  • Preparation and application of Mxene-Mn3(PO4)2 composite electrode material
  • Preparation and application of Mxene-Mn3(PO4)2 composite electrode material

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Embodiment 1

[0029] (1) Under the condition of magnetic stirring, titanium aluminum carbide (Ti 3 AlC 2 ) Ceramic powder is slowly added to hydrofluoric acid solution (prepared by mixing 1.98 g lithium fluoride and 6 M HCl hydrochloric acid) to react to etch Ti 3 AlC 2 Middle Al layer. Then the obtained solution was centrifuged and washed with deionized water to obtain Ti 3 C 2 Dispersions. Then, under the protection of nitrogen, the obtained dispersion was sonicated in an ice-water bath for 1 hour, and then centrifuged at a speed of 500 rpm, and the supernatant was collected and filtered with a 0.2 µm filter membrane to obtain Ti 3 C 2 Nanosheets.

[0030](2) Add 5 mg of adenosine triphosphate (ATP) to 1 mL of Ti 3 C 2 solution (1 mg mL -1 ), sonicated in an ice-water bath for 30 minutes, then centrifuged at 10,000 rpm for 10 minutes, and washed 3 times with deionized water, the prepared Ti 3 C 2 / ATP nanocomplex.

[0031] (3) Disperse the prepared composite material in 10 mL...

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Abstract

The invention discloses preparation and application of an Mxene-Mn3(PO4)2 composite electrode material. The preparation is characterized in that two-dimensional Ti3C2 nanosheets are synthesized from aTi3AlC2 ceramic material as a raw material, and ATP (adenosine triphosphate) is used as a template to induce synthesis of Mn3(PO4)2 nanoparticles. The Ti3C2 / Mn3(PO4)2 nanocomposite synthesized with the method integrates good conductivity of Ti3C2 and biological mimetic enzyme activity of Mn3(PO4)2, and the composite material has excellent conductivity and catalytic performance by complementary advantages of the two raw materials, and is the excellent electrode material for preparing superoxide dismutase. The composite material can be used for constructing biosensors and has excellent application prospects in the fields of medical diagnosis, medical research and the like.

Description

technical field [0001] The invention relates to the preparation and application of a Mxene-manganese phosphate composite electrode material, and the patent relates to a preparation method of the electrode material. Background technique [0002] Mxene is a new type of two-dimensional metal carbon / nitride, which has many excellent physical and chemical properties, such as: good chemical stability, excellent electrical conductivity and hydrophilic surface, making it widely used in many fields (such as: lithium Ion batteries, supercapacitors, hydrogen storage and biosensors, etc.) have shown great application potential and have attracted extensive attention from researchers. especially Ti 3 C 2 Nanomaterials (a type of MXene ceramic material) are more widely used in the fields of electrochemistry and sensing. Reactive oxygen species (ROS) widely exist in biological systems, and superoxide anions are involved in various important physiological phenomena, such as the pathogenes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/327G01N27/30
CPCG01N27/308G01N27/327
Inventor 王斌陈久存郑九尚
Owner SOUTHWEST UNIVERSITY
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