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2,3,4,6-TETRA-O-BENZOYL-ALPH-D-GLUCOPYRANOSYL BROMIDE CAS: 14218-11-2
2,3,4,6-Tetra-O-benzoyl-alpha-D-glucopyranosyl bromide yog ib qho tshuaj sib xyaw uas muaj nyob rau hauv chav kawm ntawm cov piam thaj derivatives.Nws muaj cov piam thaj molecule nrog plaub pawg benzoyl txuas rau nws pawg hydroxyl, nrog rau bromide atom ntawm txoj haujlwm anomeric.
Cov tshuaj no feem ntau yog siv rau hauv cov organic thiab tshuaj chemistry ua ib pab pawg tiv thaiv rau hydroxyl functionality ntawm qabzib.Cov pab pawg benzoyl ua haujlwm rau daim npog qhov ncauj ib ntus rau cov pab pawg hydroxyl reactive, ua rau lawv tsis tshua muaj kev cuam tshuam rau cov tshuaj tsis haum tshuaj thaum lub sijhawm ua cov txheej txheem hluavtaws.Qhov no tso cai rau kev xaiv ua haujlwm ntawm cov pab pawg hydroxyl tshwj xeeb hauv cov piam thaj derivatives.
Tsis tas li ntawd, benzoyl-tiv thaiv cov piam thaj derivatives tuaj yeem siv los ua lub tsev thaiv rau kev sib txuas ntawm ntau yam glycosides thiab glycoconjugates.Glycosides yog cov tebchaw tsim los ntawm kev sib txuas ntawm cov piam thaj molecule mus rau lwm qhov moiety, xws li cov tshuaj lossis cov khoom siv ntuj tsim, thiab lawv pom cov ntawv thov hauv kev tsim tshuaj thiab tshuaj lom neeg biology.
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Tom ntej: Popso Sesquisodium CAS: 108321-08-0
Piperazine-N, N'-bis (2-hydroxypropanesulfonic acid) sesquisodium ntsev, tseem hu ua PIPES sesquisodium ntsev, yog cov tshuaj siv los ua tus neeg sawv cev hauv ntau yam kev tshawb fawb thiab kev lag luam.Nws pab tswj cov qib pH ruaj khov hauv cov kev daws teeb meem, tshwj xeeb tshaj yog nyob rau hauv lub cev pH ntau.PIPES sesquisodium ntsev feem ntau yog siv nyob rau hauv cell culture media, protein biochemistry, electrophoresis, molecular biology techniques, thiab kev xa tshuaj.Nws ua raws li pH regulator thiab enhancer rau enzyme kev ua si thiab stability, ua rau nws muaj nuj nqis nyob rau hauv ib tug ntau yam ntawm kev tshawb fawb thiab kev lag luam txheej txheem.
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N-ethyl-N-(3-sulfopropyl)-M-anisidinesodium CAS: 82611-88-9
N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline sodium ntsev yog cov tshuaj sib xyaw uas muaj N-ethyl pawg, sulfopropyl pawg, thiab 3-methoxyaniline pawg.Nws feem ntau tshwm sim raws li sodium ntsev, uas txhim kho nws cov solubility hauv dej.
Qhov kev sib xyaw no muaj ntau yam kev siv hauv kev lag luam thiab kev tshawb fawb.Nws tuaj yeem siv los ua cov xim nruab nrab, catalyst, lossis ua cov reagent hauv organic synthesis.Nws cov khoom, xws li solubility, stability, thiab reactivity, ua rau nws haum rau tej daim ntaub ntawv nyob rau hauv ntau yam teb.
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HEPES-Na CAS: 75277-39-3 Chaw tsim tshuaj paus Nqe
HEPES sodium ntsev, tseem hu ua N-(2-Hydroxyethyl)piperazine-N'-2-ethanesulfonic acid sodium ntsev, yog zwitterionic tsis siv feem ntau siv hauv kev tshawb fawb lom neeg thiab biochemical.Nws lub luag haujlwm tseem ceeb yog tswj hwm qib pH ruaj khov hauv ntau yam kev sim.HEPES sodium ntsev yog ntau yam, ruaj khov, thiab tsis muaj tshuaj lom, ua rau nws tsim nyog rau ntau yam kev siv xws li kab lis kev cai ntawm tes, enzyme kinetics, immunoassays, thiab kev sim molecular biology.Nws yog sib xws nrog ntau cov qauv kev lom neeg thiab cov tshuab, muab ib puag ncig tswj kev tswj hwm pH.
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Beta-D-Galactose pentaacetate CAS: 114162-64-0
Beta-D-galactose pentaacetate yog cov tshuaj sib xyaw ua ke uas tau los ntawm galactose, ib hom suab thaj.Nws yog tsim los ntawm acetylating galactose nrog tsib pawg acetyl.Qhov kev hloov kho no ua rau muaj kev ruaj ntseg ntxiv thiab tso cai rau nws siv rau hauv ntau yam tshuaj thiab biochemical daim ntawv thov.Beta-D-galactose pentaacetate feem ntau yog siv los ua cov tshuaj tiv thaiv rau galactose hauv cov tshuaj tiv thaiv organic.Nws pab tiv thaiv kev tsis txaus siab lossis kev tawm tsam sab nraud los ntawm kev npog cov pawg reactive ntawm galactose.Ntxiv mus, cov tshuaj no qee zaum siv los ua cov khoom ua ntej lossis cov khoom pib hauv kev sib txuas ntawm lwm cov galactose derivatives.Nws daim ntawv acetylated tso cai rau kev tswj kom yooj yim dua thiab hloov pauv ntawm galactose molecule hauv cov tshuaj tiv thaiv tom qab.Zuag qhia tag nrho, beta-D-galactose pentaacetate yog ib qho tseem ceeb hauv kev tshawb fawb tshuaj thiab kev sib txuas uas muab kev ruaj ntseg thiab ntau yam rau cov tshuaj tiv thaiv galactose.
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3-morpholinopropanesulfonic acid hemisodium ntsev CAS: 117961-20-3
3-(N-Morpholino) propanesulfonic acid hemisodium ntsev, tseem hu ua MOPS-Na, yog ib qho zwitterionic tsis feem ntau siv hauv kev tshawb fawb biochemical thiab lom.Nws yog tsim los ntawm lub nplhaib morpholine, propane saw, thiab sulfonic acid pawg.
MOPS-Na yog qhov tsis zoo rau kev tswj xyuas qhov pH ruaj khov hauv lub cev muaj zog (pH 6.5-7.9).Nws yog feem ntau siv hauv xov tooj ntawm tes kab lis kev cai xov xwm, protein purification thiab characterization, enzyme kev soj ntsuam, thiab DNA / RNA electrophoresis.
Ib qho ntawm qhov zoo ntawm MOPS-Na raws li qhov tsis yog nws qhov kev nqus UV tsawg, uas ua rau nws tsim nyog rau kev siv spectrophotometric.Nws kuj nthuav tawm qhov cuam tshuam tsawg kawg nrog cov txheej txheem tshuaj ntsuam.
MOPS-Na yog soluble hauv dej, thiab nws cov solubility yog pH-nyob.Nws yog feem ntau muab los ua cov hmoov nplej los yog cov tshuaj tov, nrog rau daim ntawv ntsev hemisodium feem ntau siv.
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![Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS: 6976-37-0](//cdn.globalso.com/xindaobiotech/图片169.png)
Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS: 6976-37-0
Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane, feem ntau hu ua bicine, yog ib qho tshuaj lom neeg uas muaj cov khoom tsis zoo.Nws yog dav siv nyob rau hauv ntau yam scientific thiab industrial daim ntaub ntawv.Bicine ua raws li pH regulator, pab tswj pH ruaj khov hauv cov kev daws teeb meem thiab muab cov xwm txheej zoo rau kev siv tshuaj biochemical.Nws pom cov ntawv thov hauv enzyme kev soj ntsuam, kab lis kev cai xov xwm ntawm tes, cov txheej txheem purification protein, electrophoresis, thiab tshuaj formulations.
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4-NITROPHENYL-ALPH-D-MANNOPYRANOSIDE CAS TSIS TAU: 10357-27-4
4-Nitrophenyl-alpha-D-mannopyranoside yog ib qho tshuaj sib xyaw ua ke los ntawm cov piam thaj mannose.Nws muaj ib tug mannose molecule txuas mus rau ib pawg nitrophenyl.Cov tshuaj no feem ntau siv rau hauv kev tshawb fawb lom neeg thiab biochemical ua lub substrate rau kev tshawb nrhiav thiab ntsuas kev ua enzyme.Tshwj xeeb, nws tuaj yeem siv los kawm txog cov haujlwm ntawm cov enzymes uas hydrolyze lossis hloov mannose-muaj substrates.Cov pab pawg nitrophenyl txuas nrog mannose molecule tso cai rau kev ntsuas ntawm enzyme kev ua los ntawm kev saib xyuas kev tso tawm ntawm nitrophenyl moiety.Cov tshuaj no feem ntau siv rau hauv kev ntsuam xyuas los kawm txog cov enzymes koom nrog hauv carbohydrate metabolism lossis glycosylation txheej txheem.
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CAB CAS: 161308-34-5 Chaw tsim tshuaj paus Nqe
Nws yog feem ntau siv los ua tus neeg sawv cev buffering hauv ntau yam kev siv tshuaj lom neeg thiab biochemical.
CABS paub txog nws lub peev xwm los tswj cov qib pH ruaj khov hauv cov kev daws teeb meem, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov tshuab buffering hauv kev sim kuaj thiab kev tshawb fawb kho mob.Nws lub peev xwm buffering muaj txiaj ntsig tshwj xeeb hauv pH ntau ntawm 8.6 txog 10. Cov txheej txheem kho mob thiab kuaj mob, xws li kev ua enzyme, electrophoresis, thiab immunohistochemistry, feem ntau siv C.ABS raws li tus neeg sawv cev buffering los tswj pH stability thiab txhim kho cov tshuaj tiv thaiv.
Nws yog ib qho tseem ceeb kom nco ntsoov tias CABS tuaj yeem nkag siab rau qhov kev hloov pauv kub thiab tej zaum yuav tsis haum rau qee daim ntawv thov uas xav tau qhov kub thiab txias.Tsis tas li ntawd, kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua raws li thaum tuav CABS, vim nws tuaj yeem ua rau tawv nqaij, qhov muag, thiab ua pa.
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ADOS CAS: 82692-96-4 Chaw tsim tshuaj paus Nqe
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3-methoxyaniline sodium ntsev dihydrate, tseem hu ua EHS, yog ib hom tshuaj siv nyob rau hauv ntau yam kev siv hauv chemistry thiab biochemistry.Nws yog cov dej-soluble compound tau los ntawm niam txiv compound 2-hydroxy-3-sulfopropyl-3-methoxyaniline.
EHS feem ntau yog siv los ua pH ntsuas, tshwj xeeb hauv pH ntau ntawm 6.8 txog 10. EHS feem ntau tsis muaj xim nyob rau hauv nws daim ntawv acidic tab sis hloov mus rau xim xiav thaum raug alkaline tej yam kev mob.Qhov kev hloov xim no tuaj yeem pom pom, ua rau nws muaj txiaj ntsig zoo rau kev saib xyuas pH hloov hauv cov kev daws teeb meem.
Ntxiv nrog rau nws qhov ntsuas pH, EHS kuj tau siv rau hauv ntau yam kev tshuaj ntsuam xyuas thiab tshuaj biochemical.Piv txwv li, nws tuaj yeem ua haujlwm ua cov xim rau cov protein staining hauv gel electrophoresis, pab kom pom thiab ntsuas cov qauv protein.EHS kuj tau pom cov ntawv thov hauv kev tshuaj ntsuam enzyme, qhov twg nws tuaj yeem siv los ntsuas cov haujlwm enzyme lossis kuaj cov tshuaj tiv thaiv enzyme.
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P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS TSIS TAU: 4419-94-7
P-Nitrophenyl beta-D-lactopyranoside, tseem hu ua PNPG, yog ib qho khoom siv feem ntau siv hauv kev tshuaj xyuas enzymatic los ntsuas qhov kev ua ntawm beta-galactosidase, ib qho enzyme koom nrog hauv carbohydrate metabolism.PNPG yog ib qho hluavtaws substrate uas tuaj yeem cleaved los ntawm beta-galactosidase, uas ua rau kev tso tawm ntawm cov khoom xim daj.Qhov twg ntawm substrate hydrolysis tuaj yeem ntsuas qhov ntsuas spectrophotometrically los ntawm kev ntsuas qhov nqus ntawm cov khoom ntawm ib lub wavelength tshwj xeeb.Qhov no tso cai rau cov kws tshawb fawb los soj ntsuam cov haujlwm thiab kinetics ntawm beta-galactosidase hauv ntau lub ntsiab lus, xws li kev kawm txog kev ua haujlwm enzyme, tshuaj xyuas cov enzyme inhibitors lossis activators, lossis ntsuas qhov cuam tshuam ntawm kev hloov pauv ntawm kev ua enzyme.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS TSIS TAU: 312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE yog ib qho tshuaj lom neeg uas nquag siv hauv kev tshawb fawb thiab tshuaj xyuas biochemical.Nws yog ib qho derivative ntawm galactose, ib hom suab thaj.Lub compound feem ntau yog siv los ua lub substrate rau kev kuaj xyuas cov haujlwm ntawm beta-galactosidase, ib qho enzyme uas muaj nyob rau hauv ntau yam kab mob, nrog rau cov kab mob.Thaum muaj beta-galactosidase, nws cleaves 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE rau hauv naphthol thiab galactose.Qhov tshwm sim naphthol molecule tuaj yeem pom tau yooj yim los ntawm nws qhov nqus ntawm ultraviolet lub teeb, tso cai rau cov kws tshawb fawb los ntsuas cov haujlwm ntawm beta-galactosidase.Qhov kev ntsuam xyuas no feem ntau yog siv rau hauv molecular biology thiab kev tshawb fawb noob caj noob ces, rau kev siv xws li kev kawm txog noob caj noob ces, kev qhia cov protein, thiab cell viability.
![Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS: 6976-37-0](http://cdn.globalso.com/xindaobiotech/图片169.png)
