2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Gramicidin A (1, Fig. 1a), nrhiav pom hauv 1939 los ntawm cov kab mob hauv av Bacillus brevis 11 , 12, yog thawj cov tshuaj tua kab mob tsim tawm lag luam13, 14. Cov khoom lag luam peptidic no qhia txog cov tshuaj tua kab mob dav dav uas muaj zog tiv thaiv kab mob Gram-zoo, txawm tias muaj ntau hom tshuaj tiv thaiv kab mob 15.
Leej twg nrhiav tau gramicidin?
Nyob rau xyoo 1939, René Dubos nrhiav pom gramicidin-tus thawj kws tshuaj ntsuam xyuas tshuaj tua kab mob.
Thaum twg amoxicillin pom thawj zaug?
Amoxicillin tau tshawb pom los ntawm cov kws tshawb fawb ntawm Beecham Research Laboratories hauv 1972. Qhov nqaim ntawm cov tshuaj tua kab mob ntawm cov tshuaj tua kab mob ntawm penicillins, coj mus rau kev tshawb nrhiav cov derivatives ntawm penicillin uas tuaj yeem kho ntau yam kab mob. Thawj kauj ruam tseem ceeb rau pem hauv ntej yog kev txhim kho ampicillin.
pom gramicidin nyob qhov twg?
Gramicidin S yog ib qho piv txwv ntawm CPs tau los ntawm cov kab mob (Fig. 4.1). Nws yog ib tug cyclic decapeptide, muab rho tawm nonribosomally los ntawm cov av kab mob Aneurinibacillus, nrog ib tug antiparallel β-daim ntawv tsim los ntawm ob zoo tib yam pentapeptides koom lub taub hau rau tus Tsov tus tw, officially sau raws li cyclo(-Val-Orn-Leu-d-Phe-Pro-)2 [47, 48].
Yuav ua li cas hom tshuaj tua kab mob yog gramicidin?
Gramicidin D yog tshuaj tua kab mob bactericidal siv los kho cov kab mob dermatological thiab ophthalmic.
Pom zoo:
Thaum twg dystrophic epidermolysis bullosa nrhiav tau?
Epidermolysis bullosa tau pom thawj zaug hauv lig 1800s. Nws yog ib tug tswv cuab ntawm tsev neeg ntawm cov kab mob hu ua blistering disease. Puas yog dystrophic epidermolysis bullosa ib yam kab mob tsawg? Epidermolysis bullosa acquisita (ib daim ntawv tau txais ntawm EB) yog ib yam tsis tshua muaj autoimmune tsis meej thiab tsis tau txais txiaj ntsig.
Thaum twg nrhiav tau dysarthria?
Early in 1969 , Darley et al. txhais tau tias dysarthria yog ib lo lus sib sau ua ke rau kev hais lus tsis zoo. Kev faib tawm ntawm dysarthria suav nrog flaccid dysarthria, spastic dysarthria, ataxic dysarthria, hypokinetic dysarthria, hyperkinetic hyperkinetic Hyperkinesia yog ib lub xeev ntawm kev ntxhov siab ntau dhauuas muaj ntau yam kab mob uas cuam tshuam rau lub peev xwm.
Thaum twg tarrytown nrhiav tau?
Ib lub zos nrog tob Dutch cov hauv paus hniav, Tarrytown tau teeb tsa los ntawm Europeans hauv 1640, thiab koom ua ke hauv 1870. Thaum pw tsaug zog Hollow nrhiav tau? Keeb Kwm Ib zaug ib feem ntawm cov cuab yeej cuab tam ntawm tus tub lag luam Frederick Philipse, nws tau koom ua North Tarrytown hauv 1874, plaub xyoos tom qab kev koom ua ke ntawm Tarrytown.
Thaum twg tau txais kev pom zoo nrhiav tau?
In 2009, peb tus tsim thiab CEO Steve Marshall tau txheeb xyuas lub sijhawm hauv kev lag luam pov hwm lub neej thiab Reassured tau tsim. Peb pab tsev neeg tiv thaiv qhov tseem ceeb tshaj plaws rau lawv; Peb Lub Hom Phiaj rau 2020 yog los tiv thaiv ntau dua 200,000 tsev neeg hauv tebchaws Askiv.
Puas nrhiav tau lossis nrhiav tau?
Yog li, koj yuav tsum tau siv "could find". Lub modal verb, tau yog twb nyob rau hauv nws paste-form: ua. Yog li koj tsis tas yuav hloov pauv los nrhiav. Yuav nrhiav tau lossis nrhiav tau? "Ntaus" yog sib npaug. "