2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Gramicidin A tua cov kab mob los ntawm kev xuas nws tus kheej los ntawm cov cell membrane, tso cai rau lub xovtooj tawm mus thiab ib puag ncig kom xau hauv cov ion channel. Txawm li cas los xij, cov ions tsis raug tswj hwm no tuaj yeem cuam tshuam tib neeg lub hlwb thaum siv gramicidin A hauv lub cev.
gramicidin A ua haujlwm li tshuaj tua kab mob li cas?
Gramicidin A yog ib qho tshuaj tua kab mob peptide uas rhuav tshem cov kab mob gram-zoo. Cov kab mob bactericidal ntawm cov tshuaj tua kab mob peptides tau txuas rau cov membrane permeation thiab metabolism cuam tshuam nrog rau kev cuam tshuam ntawm DNA thiab protein ua haujlwm.
Dab tsi yog lub luag haujlwm ntawm kev ua ntawm gramicidin?
Mechanism of action of gramicidin A. (A) Gramicidin monomers form a β-helix conformation in membranes. Dynamic dimerization ntawm ob lub monomers tsim cov kev ua haujlwm channel, uas yog li ua rau cov membrane hauv zos deformation.
Vim li cas gramicidin thiaj li muaj tshuaj tua kab mob muaj zog?
Gramicidin A yog ib qho tshuaj tua kab mob peptide uas rhuav tshem cov kab mob gram-zoo. Cov kab mob bactericidal ntawm cov tshuaj tua kab mob peptides tau txuas rau cov membrane permeation thiab metabolism cuam tshuam nrog rau kev cuam tshuam ntawm DNA thiab protein ua haujlwm.
Vim li cas cov qauv ntawm gramicidin tsuas tso cai siv tshuaj pleev ib ce li tshuaj tua kab mob?
Nws txoj kev siv tshuaj tsuas yog siv rau cov tshuaj pleev ib ce raws li nws ua rau hemolysis qis duaconcentrations ntau dua cov kab mob cell tuag yog li tsis tuaj yeem tswj hwm sab hauv. Cov epidermis sab nrauv yog tsim los ntawm cov hlwb tuag, yog li siv rau ntawm daim tawv nqaij yuav tsis ua mob.
Pom zoo:
Puas yog tshuaj tua kab mob tib yam li tshuaj tua kab mob?
Qhov tshwm sim muaj kev npaj siab ntawm cov tshuaj tiv thaiv kab mob hu ua antiserum. tshuaj tua kab mob muaj dab tsi? Ib qho tshuaj tiv thaiv kab mob yog ib tshuaj tiv thaiv nrog lub peev xwm los nruab nrab cov tshuaj lom tshwj xeeb.
Puas yog tshuaj tua kab mob thiab tshuaj tua kab mob tib yam?
Antivenin: Cov tshuaj tiv thaiv tsim nyob rau hauv cov ntshav ntawm nees lossis yaj thaum tus tsiaj txhaj tshuaj nab venom. Antivenin ua los ntawm neutralizing nab venom uas tau nkag mus rau hauv lub cev. Kuj hu ua antivenom, nab antivenin, los yog nab antivenom.
Puas yog tshuaj tua kab mob tshuaj tua kab mob?
Txawm hais tias cov tshuaj tua kab mob yuav pab kom tshem tau koj tus kab mob, lawv tsis tshua muaj kev pab kho mob rau koj. Yog li ntawd, koj tuaj yeem xaiv noj qee yam tshuaj tua kab mob (tshuaj analgesic) los pab txo koj cov tsos mob. Dab tsi yog qhov sib txawv ntawm cov tshuaj tua kab mob thiab tshuaj tua kab mob?
Yuav tau tshuaj tua kab mob thiab tshuaj tua kab mob ua ke?
Cov tshuaj tua kab mob tuaj yeem ua rau koj cov kab mob zoo, ua haujlwm kom cov poov xab hauv kev kuaj xyuas. Ua raws li cov lus qhia ntawm lub thawv, pib siv koj cov tshuaj tua kab mob tib lub sijhawm koj pib koj cov tshuaj tua kab mob los tiv thaiv kab mob poov xab.
Cov kab kab kab kab kab ua kab mob txaus ntshai npaum li cas?
Nyob rau hauv peb thiab tom ntej instars ntawm lawv txoj kev loj hlob, Pine processionary caterpillars yog mob heev rau daim tawv nqaij ntawm tib neegthiab lwm yam tsiaj. Kev sib cuag yooj yim nrog cov plaub hau ntawm kab ntsig tuaj yeem ua rau pob khaus hnyav (urticaria) thiab khaus qhov muag, thiab qee tus neeg yuav muaj kev fab tshuaj.
