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NSP-AS CAS: 211106-69-3 Chaw tsim tshuaj paus Nqe
Cov compound 3-[9-(((((3-(carboxypropyl)[4-Methxylphenyl]sulfonyl)aMine)carboxyl]-10-acridiniuMyl)-1-propanesulfonate sab hauv ntsev yog ib qho nyuaj molecule uas muaj cov acridinium moiety txuas rau propanesulfonate sab hauv ntsev.Nws muaj ib pawg carboxypropyl, 4-Methxylphenylsulfonyl pawg, thiab pawg amine.Qhov kev sib xyaw no zoo li ua ke rau cov ntawv thov tshwj xeeb hauv thaj chaw xws li chemistry, kws tshuaj, lossis kev tshawb fawb.
Tsis tas li ntawd, NAC tau pom cov lus cog tseg hauv kev txhawb nqa lub siab kev noj qab haus huv los ntawm kev pab tshem tawm cov tshuaj lom, xws li acetaminophen, ib qho tshuaj tua kab mob.Nws kuj tseem muaj peev xwm tiv thaiv lub siab puas tsuaj los ntawm kev haus cawv.
Ntxiv nrog rau nws cov tshuaj tiv thaiv antioxidant thiab kev ua pa, NAC tau tshawb fawb txog nws cov txiaj ntsig zoo hauv kev puas siab puas ntsws.Qee qhov kev tshawb fawb qhia tias nws yuav muaj kev cuam tshuam zoo rau kev xav tsis zoo, xws li kev nyuaj siab thiab obsessive-compulsive disorder (OCD).
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5-Bromo-6-Chloro-3-Indolyl Acetate CAS TSIS TAU: 102185-48-8
5-Bromo-6-chloro-3-indoxyl-3-acetate yog ib qho tshuaj sib xyaw uas feem ntau siv los ua ib qho substrate hauv kev soj ntsuam enzymatic.Nws yog feem ntau ua hauj lwm los xyuas qhov muaj thiab kev ua ntawm tej yam enzymes, xws li esterases thiab hydrolases.
Thaum ntxiv rau cov tshuaj tiv thaiv sib xyaw uas muaj cov enzyme tshwj xeeb, cov khoom sib xyaw no nkag mus rau enzymatic hydrolysis.Raws li qhov tshwm sim, nws tsim cov khoom muaj xim lossis fluorescent, tso cai rau cov neeg tshawb nrhiav pom thiab ntsuas qhov ua haujlwm ntawm enzyme.
Qhov no substrate yog dav siv nyob rau hauv ntau yam sib txawv, nrog rau molecular biology, biochemistry, thiab soj ntsuam kuaj.Nws versatility thiab rhiab heev ua rau nws yog ib qho cuab yeej tseem ceeb rau kev kawm enzyme kinetics, kev ua, thiab inhibition.
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CAPS CAS: 1135-40-6 Chaw tsim tshuaj paus Nqe
3-Cyclohexylaminopropanesulfonic acid yog ib qho tshuaj lom neeg uas muaj cov pab pawg cyclohexyl txuas rau aminopropanesulfonic acid moiety.Nws feem ntau yog siv los ua tus neeg sawv cev buffering hauv biochemical thiab kev siv tshuaj.Vim nws cov qauv tshuaj tshwj xeeb, nws nthuav tawm lub peev xwm tsis muaj zog thiab feem ntau siv rau hauv cov kev sim uas yuav tsum tau tswj pH meej, xws li kev ntxuav cov protein, electrophoresis, thiab cov tshuaj tiv thaiv enzymatic.Tsis tas li ntawd, nws tuaj yeem ua haujlwm ua tus stabilizer hauv kev tsim cov tshuaj lossis ua cov tshuaj tiv thaiv corrosion hauv qee yam kev lag luam.
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NSP-SA-NHS CAS: 199293-83-9 Chaw tsim tshuaj paus Nqe
NSP-SA-NHS yog ib qho tshuaj uas muaj N-succinimidyl-6-(3′-pyridyldithio) hexanoate (NSP) thiab N-hydroxysuccinimide (NHS).Nws yog feem ntau siv los ua tus neeg sawv cev sib txuas hauv cov tshuaj tiv thaiv bioconjugation, tshwj xeeb tshaj yog rau kev sib txuas peptides, cov protein, lossis lwm yam amine-muaj cov molecules rau qhov chaw lossis lwm yam molecules.NSP moiety ua rau tsim kom muaj kev ruaj ntseg thioester daim ntawv cog lus nrog lub hom phiaj molecule, thaum NHS moiety tso cai rau cov tshuaj tiv thaiv tom ntej nrog thawj amines.NSP-SA-NHS yog dav siv nyob rau hauv ntau yam kev tshawb fawb thiab biomedical applications, nrog rau kev npaj ntawm immunoassays, antibody labeling, protein-protein interactions studies, thiab protein immobilization.
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3- (N-tosyl-L-alanyloxy) CAS: 75062-54-3
3-(N-tosyl-L-alanyloxy) indole yog cov tshuaj sib xyaw nrog cov mis molecular C20H20N2O4S.Nws yog feem ntau siv los ua lub tsev thaiv lossis nruab nrab hauv cov organic synthesis.Lub compound nta ib lub nplhaib indole, uas yog ib qho motif nyob rau hauv ntau yam ntawm biologically active molecules.3-(N-tosyl-L-alanyloxy) indole feem ntau yog siv rau hauv kev sib txuas ntawm cov tshuaj, agrochemicals, thiab lwm yam organic compounds.
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ABTS (2,2′-Azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) diammonium ntsev) CAS: 30931-67-0
Diammonium 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonate), feem ntau hu ua ABTS, yog ib qho uas nquag siv chromogenic substrate hauv biochemical ntsuam xyuas, tshwj xeeb tshaj yog nyob rau hauv lub teb ntawm enzymology.Nws yog cov khoom siv hluavtaws uas siv los ntsuas kev ua haujlwm ntawm ntau yam enzymes, suav nrog peroxidases thiab oxidases.
ABTS tsis muaj xim nyob rau hauv nws daim ntawv oxidized tab sis tig xiav-ntsuab thaum oxidized los ntawm ib qho enzyme nyob rau hauv muaj hydrogen peroxide los yog molecular oxygen.Qhov kev hloov xim no yog vim qhov tsim ntawm radical cation, uas absorbs lub teeb nyob rau hauv lub spectrum pom.
Cov tshuaj tiv thaiv ntawm ABTS thiab cov enzyme tsim cov khoom xim uas tuaj yeem ntsuas spectrophotometrically.Qhov kev siv ntawm cov xim yog ncaj qha proportional rau lub enzymatic kev ua si, tso cai rau cov kws tshawb fawb los soj ntsuam ntau npaum li cas enzyme kinetics, enzyme inhibition, los yog enzyme-substrate kev sib cuam tshuam.
ABTS muaj ntau yam kev siv hauv ntau yam, suav nrog kev kuaj mob, kev tshawb fawb tshuaj, thiab kev tshawb fawb txog zaub mov.Nws yog ib qho rhiab heev thiab muaj ntau yam dynamic ntau yam, ua rau nws yog ib qho kev xaiv nrov rau ntau qhov kev ntsuam xyuas biochemical.
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HEPPS CAS: 16052-06-5 Chaw tsim tshuaj paus Nqe
HEPPS, uas sawv cev rau N-(2-Hydroxyethyl)piperazine-N'-2-ethanesulfonic acid, yog zwitterionic buffering tus neeg sawv cev uas nquag siv hauv kev tshawb fawb lom neeg thiab biochemical.Nws yog lub npe hu rau nws zoo heev buffering muaj peev xwm thiab stability nyob rau hauv ib tug dav pH ntau yam, tshwj xeeb tshaj yog nyob rau hauv lub pH 6.8-8.2.HEPPS feem ntau yog siv rau hauv xov tooj ntawm tes kab lis kev cai xov xwm, protein purification, enzymatic cov tshuaj tiv thaiv, thiab lwm yam kev siv uas yuav tsum tau ib tug precisely tswj pH ib puag ncig.Nws yog soluble hauv dej thiab feem ntau yog siv los ntawm 10 mM mus rau 100 mM.HEPPS yog suav tias yog tsis muaj tshuaj lom rau cov hlwb thiab muaj kev cuam tshuam hauv keeb kwm yav dhau, ua rau nws yog qhov kev xaiv nrov rau ntau cov txheej txheem sim.
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Tapso Sodium CAS: 105140-25-8 Chaw tsim tshuaj paus Nqe
3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid,Nws iyog zwitterionic buffering tus neeg sawv cev nyob rau hauv daim ntawv ntawm ib tug sodium ntsev.Nws yog feem ntau siv nyob rau hauv biochemical thiab molecular biology thwmsim rau tswj ib tug ruaj khov pH nyob rau hauv cov kev daws.It Nws yog cov soluble hauv dej thiab muaj pKa ze rau lub cev pH, ua rau nws tsim nyog rau ntau yam kev siv xws li protein purification, enzyme kev soj ntsuam, kab lis kev cai ntawm tes, thiab electrophoresis.Nws cov qauv tshuaj tshwj xeeb thiab kev sib raug zoo nrog cov kab ke lom neeg ua rau nws yog ib qho tseem ceeb ntawm cov txheej txheem kuaj.
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APS-5 CAS: 193884-53-6 Chaw tsim tshuaj paus Nqe
(4-Chlorophenyl) thio-methanol 1-(dihydrogen phosphate) disodium ntsev (1: 2) yog ib qho tshuaj sib xyaw uas muaj nyob rau hauv chav kawm ntawm acridine derivatives.Nws muaj 10-methylacridine nplhaib system nrog ib pawg thioether txuas rau 4-chlorophenyl txoj hauj lwm.Lub compound kuj muaj ib pab pawg methanol thiab ob pawg phosphate uas yog ib nrab neutralized los ntawm sodium ions.
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HEPES CAS: 7365-45-9 Chaw tsim tshuaj paus Nqe
HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) yog cov tshuaj lom neeg tsis zoo uas feem ntau siv hauv kev tshawb fawb lom neeg thiab tshuaj lom neeg.Nws yog lub npe hu rau nws lub peev xwm los tswj cov pH ruaj khov hauv cov kev daws teeb meem aqueous, ua rau nws tsim nyog rau ntau yam kev siv cuam tshuam nrog cov txheej txheem cellular thiab enzymatic.HEPES yog ib qho zwitterionic compound, txhais tau tias nws muaj qhov zoo thiab qhov tsis zoo ntawm cov pab pawg ua haujlwm sib cais, uas tso cai rau nws tiv thaiv kev hloov pauv hauv pH los ntawm kev ntxiv cov kua qaub lossis cov hauv paus.Nws nquag siv hauv kab lis kev cai ntawm tes, tshuaj ntsuam enzyme, kev tshawb fawb protein, kev sim electrophoresis, thiab kev tsim tshuaj.
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TAPS Sodium ntsev CAS: 70331-82-7
TAPS sodium ntsev, tseem hu ua N-(Tris (hydroxymethyl) methyl)-2-aminoethanesulfonic acid sodium ntsev, yog ntau yam buffering tus neeg saib xyuas thiab pH regulator.Nws yog feem ntau siv hauv kev tshawb fawb lom neeg thiab tshuaj lom neeg, tshuaj, thiab tshuaj ntsuam xyuas.TAPS-Na yog ib qho zwitterionic compound uas pab tswj cov pH ruaj khov hauv cov kev daws teeb meem, ua rau nws haum rau ntau yam kev sim.Nws cov ntawv thov suav nrog kab lis kev cai ntawm tes, kev tshawb fawb protein, electrophoresis, tshuaj synthesis, thiab tshuaj formulations.TAPS-Na yog ib daim ntawv soluble thiab ruaj khov ntawm TAPS uas yog ib qho yooj yim los lis thiab siv nyob rau hauv aqueous daws.
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TAPS-NA CAS: 91000-53-2 Chaw tsim tshuaj paus Nqe
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid sodium ntsev, tseem hu ua TAPS-Na, yog ib qho tshuaj lom neeg feem ntau siv los ua tus neeg sawv cev hauv ntau yam kev siv tshuaj lom neeg thiab tshuaj lom neeg.Nws yog ib tug zwitterionic compound, lub ntsiab lus nws muaj ob qho tib si zoo thiab tsis zoo nqi, uas yuav pab tswj lub pH ruaj khov nyob rau hauv cov kev daws teeb meem.
TAPS-Na muaj pH ntau ntawm kwv yees li 7.7 txog 9.1, ua rau nws tsim nyog rau cov ntawv thov xav tau ib puag ncig alkaline pH me ntsis.Nws yog feem ntau siv hauv kev tshawb fawb protein thiab enzyme, nrog rau hauv cov txheej txheem biology molecular xws li gel electrophoresis thiab DNA sequencing.
Raws li sodium ntsev, TAPS-Na yog soluble hauv dej, uas tso cai rau kev npaj yooj yim ntawm kev daws teeb meem.Nws yog lub npe hu rau nws tsis tshua muaj toxicity thiab tsawg cuam tshuam nrog lom molecules, ua rau nws yog ib qho kev xaiv rau ntau yam kev sim.
