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Applications of Palladium Nanomaterials

A nanomaterial, palladium nanotechnology, applied in nanotechnology, nanotechnology, nanomedicine, etc., can solve problems such as increasing the complexity of the preparation process, limiting enzyme activity, and affecting antibacterial effects

Active Publication Date: 2020-07-24
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the antibacterial agent needs to pre-synthesize porous silica, which undoubtedly increases the complexity of the preparation process; at the same time, this preparation method only loads gold nanoparticles with low oxidase and peroxidase activities in noble metal nanomaterials to the In silica pores, this can only partially improve the activity of nanozymes, thus limiting the activity of some enzymes and ultimately affecting the antibacterial effect

Method used

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  • Applications of Palladium Nanomaterials
  • Applications of Palladium Nanomaterials
  • Applications of Palladium Nanomaterials

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Preparation of Pd cubic nanomaterials: Dissolve 105mg of polyvinylpyrrolidone, 60mg of ascorbic acid and 300mg of potassium bromide in 8ml of water and add to the flask, stir and preheat at 80°C for 10min, then quickly add 3ml of dissolved 57mg of sodium chloropalladate The aqueous solution was continuously stirred at a constant temperature for 3 hours, centrifuged, washed with water for 3 times, and resuspended in the aqueous solution to obtain Pd cubic nanomaterials.

[0045] Preparation of Pd octahedral nanomaterials: 105mg of polyvinylpyrrolidone, 60mg of ascorbic acid and 60mg of citric acid were dissolved in 8ml of water and added to the flask. After stirring and preheating at 80°C for 10min, 57mg of chloropalladium acid was dissolved in 3ml using a syringe pump. An aqueous solution of sodium was injected into the above solution at a constant speed, continued to stir and react at a constant temperature for 3 hours, centrifuged, washed the solid with water for 3 tim...

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Abstract

The invention provides the application of palladium nanomaterials in the preparation of antibacterial drugs; wherein the palladium nanomaterials are palladium octahedral nanomaterials or palladium cubic nanomaterials. The palladium nanomaterial of the present application generates active oxygen by exerting the nanoenzyme activity of the material, and then realizes a more stable and durable antibacterial effect; further, the palladium cubic nanomaterial has a significant effect on Gram-positive bacteria, and the palladium octahedral nanomaterial is effective for leather. Lambert-negative bacteria are more active.

Description

technical field [0001] The invention relates to the technical field of antibacterial materials, in particular to the application of palladium nanomaterials in the preparation of antibacterial drugs. Background technique [0002] In recent years, infectious diseases caused by bacteria have seriously threatened human health, especially the emergence of super bacteria, which has caused people to pay more and more attention to microorganisms that endanger human survival. Therefore, research and development of various materials with antibacterial and bactericidal properties, It is extremely important to protect human beings, reduce diseases and create a green and healthy environment. At the same time, the development of antibacterial materials will also form a huge and broad market. [0003] With the development of nanotechnology and nanoscience, nanomaterials, including metals, metal oxides, and carbon nanomaterials, have become a major research hotspot in antibacterial material...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K33/24A61P31/04B22F1/00B22F9/24B82Y5/00
CPCA61K33/24B82Y5/00B22F9/24B22F1/0553B22F1/07B22F1/054
Inventor 葛翠翠方舸
Owner SUZHOU UNIV
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