Formaldehyde thiab glutaraldehydeYog cov tshuaj lom neeg siv tau cov tshuaj lom neeg uas siv raws li cov neeg sawv cev ntawm cov ntawv thov, tshwj xeeb tshaj yog nyob rau hauv cov teb ntawm biology, chemistry, thiab cov ntaub ntawv kev tshawb fawb. Thaum lawv ua lub hom phiaj zoo sib xws hauv cov roj ntsha biomolecules thiab khaws cia cov tshuaj lom neeg, lawv muaj cov tshuaj chemical, reactivity, toxicity, thiab kev siv.
Zoo sib xws:
Crosslinking cov neeg sawv cev: Ob qho tib si formaldehyde thiabglutaraldehyde yog aldehydes, lub ntsiab lus lawv muaj pab pawg carbon (-cho) thaum kawg ntawm lawv cov qauv molecular. Lawv lub luag haujlwm tseem ceeb yog los ua kev sib tsoo ntawm cov pab pawg sib tsoo ntawm cov pab pawg ua haujlwm ntawm biomolecules, uas ua rau hauv crosslinking. Crosslinking yog qhov tseem ceeb rau stabilizing cov qauv ntawm cov qauv ntawm cov piv txwv ntawm kev, ua rau lawv muaj zog dua thiab tiv taus kev ua phem.
Cov ntawv thov biomedical: ob qho tib si formaldehyde thiab glutaraldehyde nrhiav kev siv tseem ceeb hauv kev siv biomedical. Lawv feem ntau ua haujlwm rau kev txhim kho cov nqaij thiab txuag hauv Histology thiab kev tshawb fawb kev kawm. Tus ntoo khaub lig cov ntaub so ntswg tswj lawv cov qauv txheej txheem kev ncaj ncees thiab tuaj yeem txuas ntxiv rau ntau yam kev tshawb nrhiav thiab kuaj mob.
Microbial tswj: Ob leeg tus neeg sawv cev muaj cov khoom siv antimicrobial, ua rau lawv muaj txiaj ntsig zoo hauv kev ua haujlwm tsis zoo thiab cov txheej txheem kom tsis muaj menyuam. Lawv tuaj yeem ua rau cov kab mob, cov kab mob, thiab cov kab mob fungi, txo txoj kev pheej hmoo ntawm cov khoom paug thiab khoom siv kho mob.
Kev Siv Cov Ntawv Siv: Ob qho tib si formaldehyde thiabglutaraldehydeyog siv nyob rau hauv cov ntawv thov sib txawv. Lawv tau ua haujlwm hauv kev tsim cov nplaum, cov resins, thiab cov polymers, nrog rau hauv cov tawv thiab textile Industries.
Qhov sib txawv:
Cov qauv tshuaj: Qhov sib txawv thawj ntawm formaldehyde thiab glutaraldehyde nyob rau hauv lawv cov qauv molecular. Formaldehyde (Ch2o) yog qhov yooj yim aldehyde, muaj ntawm ib cov pa roj carbon atom, ob lub hydrogen atoms, thiab ib qho pa oxygen, thiab ib qho pa otom. Glutaraldehyde (C5H8o2), ntawm qhov tod tes, muaj tsib cov pa roj athyde, yim hydrogen atoms, thiab ob oxygen atoms.
Reacticity: Glutaraldehyde feem ntau muaj kev cuam tshuam ntau dua li formaldehyde vim nws cov kab hlau ntev dua. Lub xub ntiag tsib carbon atoms nyob rau hauv Glutaraldehyde tso cai rau nws mus kuaj ncua nyob ntawm pawg ua haujlwm ntawm biomolecules, ua kom nrawm dua thiab muaj txiaj ntsig zoo dua.
Hla kev ua tau zoo: Vim nws cov kev cuam tshuam ntau dua, glutaraldehyde feem ntau muaj txiaj ntsig zoo dua ntawm crosslinking loj loj dua biomolecules, xws li cov protein thiab cov protein thiab enzymes. Formaldehyde, thaum tseem muaj peev xwm ntawm crosslinking, tej zaum yuav xav tau sijhawm ntau dua lossis ntau dua cov txiaj ntsig tau ua tiav cov txiaj ntsig ntau dua.
TOXICICITY: Glutaraldehyde paub tias muaj tshuaj lom ntau dua li formaldehyde. Muaj peev xwm ua rau lub ntsej muag zoo lossis tseem ceeb rau cov tawv nqaij thiab ua pa, txhais tau tias nws tuaj yeem ua rau muaj kev fab tshuaj hauv qee tus neeg. Hauv kev sib piv, formaldehyde yog cov carcinogen zoo thiab ua rau muaj kev pheej hmoo muaj kev noj qab haus huv, tshwj xeeb thaum nqus tau daim tawv nqaij.
Cov ntawv thov: Txawm tias ob qho tib si raug siv rau hauv kev txhim kho cov nqaij, lawv feem ntau nyiam rau ntau lub hom phiaj. Formaldehyde siv tau rau cov kev thov qub thiab cov duab glutaralhyde yog qhov tseem ceeb rau kev tshawb xyuas hluav taws xob thiab immunohistochemical kev tshawb fawb.
Stability: Formaldehyde yog ntau qhov tsis tshua muaj zog thiab nyhav kom yaj sai dua Glutaraldehyde. Cov cuab yeej no tuaj yeem cuam tshuam txoj kev tuav thiab kev cia ntawm cov neeg sawv cev ntoo khaub lig.
Hauv cov ntsiab lus, Formaldehyde thiab Glutaraldehyde Qhia cov neeg sawv cev sib txawv, tab sis lawv txawv ntawm lawv cov qauv tshuaj, reactivity, toxicity, thiab kev siv. Kev nkag siab zoo ntawm qhov sib txawv no yog qhov tseem ceeb rau kev xaiv cov neeg sawv cev tsim nyog rau kev siv ntau yam kev tshawb fawb, kev kho mob, thiab kev siv tshuaj kho mob, thiab kev lag luam kev kho mob.
Lub Sijhawm Post: Jul-28-2023