Silver-zinc particle nano pore composite material and its application in surface anti infection region
A technology of nanoporous materials and composite materials, applied in the field of surface anti-infection, in the field of silver-zinc particle nanoporous composite materials, can solve the problems such as far apart antibacterial effects, and achieve the effect of expanding the application range and field
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Embodiment 1
[0020] Take 1Kg of A-type zeolite molecular sieve, add 0.3Kg zinc nitrate and 0.2Kg silver nitrate into a reaction vessel containing 4 liters of distilled water, stir and react for 12 hours under dark conditions, filter, and then transfer to a muffle furnace at 50°C Let dry for 5 hours. Obtain light gray powder solid A type silver-zinc particle nanoporous composite material 1.2Kg after cooling, the mass content of silver-zinc particle (by atom) is 20% (containing silver atom, silver oxide and zinc oxide particle and silver ion and Zinc ions), the mass ratio of silver to zinc is 1:1.
[0021] In order to illustrate the bactericidal, antibacterial and bacteriostatic effects of silver-zinc nanoporous materials, the standard strains of 15 common genera and 19 kinds of pathogenic fungi and common opportunistic pathogenic bacteria provided by the Medical Fungi Center of China Microbial Culture Collection The test report is as follows:
[0022] Materials and methods:
[0023]1. De...
Embodiment 2
[0044] Take 1Kg of A-type zeolite molecular sieve, add 0.22Kg zinc nitrate and 0.4Kg silver nitrate into a reaction vessel filled with distilled water, stir and react for 8 hours under dark conditions, filter, then transfer to a muffle furnace and dry at 80°C for 8 hours Hours. After cooling, a light gray powder solid type A silver-zinc particle nanoporous composite material is obtained. The mass content of silver-zinc particles (by atom) is 28% (containing silver atoms, silver oxide and zinc oxide particles, silver ions and zinc ions), and the mass ratio of silver to zinc is 3:1.
[0045] In order to illustrate the bactericidal, antibacterial and bacteriostatic effects of silver-zinc nanoporous materials, the standard strains of 15 common genera and 19 kinds of pathogenic fungi and common opportunistic pathogenic bacteria provided by the Medical Fungi Center of China Microbial Culture Collection The test report is as follows:
[0046] Except that the type A silver-zinc part...
Embodiment 3
[0049] Take 1Kg of A-type zeolite molecular sieve, add 0.40Kg zinc nitrate and 0.08Kg silver nitrate into a reaction vessel filled with distilled water, stir and react for 8 hours under dark conditions, filter, then transfer to a muffle furnace and dry at 80°C for 8 hours Hours. After cooling, a light gray powder solid type A silver-zinc particle nanoporous composite material is obtained. The mass content of silver-zinc particles (by atom) is 17% (containing silver atoms, silver oxide and zinc oxide particles and all silver ions and zinc ions), and the mass ratio (by atom) of silver to zinc is 1:3.
[0050] In order to illustrate the bactericidal, antibacterial and bacteriostatic effects of silver-zinc nanoporous materials, the standard strains of 15 common genera and 19 kinds of pathogenic fungi and common opportunistic pathogenic bacteria provided by the Medical Fungi Center of China Microbial Culture Collection The test report is as follows:
[0051] Except that the type ...
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