Silver Nanoparticles siv
Qhov dav tshaj plawsnyiaj nanoparticlessiv yog nws cov tshuaj tiv thaiv kab mob thiab tshuaj tiv thaiv kab mob, ntau yam additives hauv daim ntawv, yas, textiles rau anti-bacterial anti-virus.Hais txog 0.1% ntawm nano txheej nano-silver inorganic antibacterial hmoov muaj zog inhibition thiab tua nyhuv ntawm escherichia coli, staphylococcus aureus thiab lwm yam kaum ob ntawm cov kab mob pathogenic microorganisms.Raws li cov khoom siv tshuaj tiv thaiv kab mob tshiab, nws muaj qhov dav dav, tsis muaj tshuaj tiv thaiv, tsis cuam tshuam los ntawm PH nqi thiab tshuaj tua kab mob, tsis yooj yim rau oxided, thiab lwm yam.Silver nanoparticles yog ntse siv hauv kev tsim kho, kev tiv thaiv kab lis kev cai relics, khoom kho mob.
Silver nanoparticles antibacterial mechanism feem ntau muaj ntau yam hauv qab no:
1. cov khoom xyaw zoo ntawm cov tshuaj tua kab mob fiber ntau ntawm cov cell membrane proteins.Nws tuaj yeem cuam tshuam cov kab mob cell membrane ncaj qha, ua rau cov ntsiab lus ntawm tes xau.Silver nanoparticles yog adsorbed ntawm cell membrane los thaiv cov kab mob thiab lwm yam kab mob kev loj hlob, xws li, nano nyiaj tuaj yeem nres cov kab mob kom nqus cov as-ham tseem ceeb xws li amino acid, uracil, yog li inhibit nws txoj kev loj hlob.
2. antibacterial fabrics nto tso tawm ib tug tej yam wavelength ntau ntawm deb infrared rays, uas inhibit qhov kev ua ntawm cov kab mob, tua cov kab mob.
3. deg catalytic nyhuv ntawm cov nyiaj nanoparticles, cuam tshuam cov metabolism hauv cov kab mob thiab ib txwm yug me nyuam los tua cov kab mob.
Dispersion ntawm cov nyiaj nanoparticles feem ntau pom zoo kom ntxiv surfactants thiab mechanical dispersion txoj kev sib xyaw ua ke, nws yuav ua tiav cov nyhuv dispersion ntau dua.Koj tuaj yeem siv supersonic jet zeb depolymerize thiab kev hloov kho saum npoo rau nyiaj nanoparticles hmoov.Our feem ntau siv deg hloov kho muaj xws li PVP, oleic acid, lwm.
Post lub sij hawm: Jun-03-2020