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Bis-tris Hydrochloride CAS: 124763-51-5
Bis-tris hydrochloride yog ib qho kev sib xyaw nrog cov khoom tsis zoo uas feem ntau siv hauv biochemical thiab kev sim tshuaj lom neeg.Nws pab tswj kom muaj pH ruaj khov thiab siv rau hauv cov protein electrophoresis, enzyme kev soj ntsuam, kab lis kev cai ntawm tes, thiab cov tshuaj formulations.Nws lub luag haujlwm tseem ceeb yog tiv thaiv kev hloov pauv hauv pH thaum cov kua qaub lossis cov hauv paus ntxiv rau cov tshuaj, ua rau nws yog ib qho tseem ceeb hauv ntau yam kev siv txuj ci thiab kev lag luam.
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4-Nitrophenyl-beta-D-glucopyranoside CAS: 2492-87-7
4-Nitrophenyl-beta-D-glucopyranoside yog ib qho substrate uas feem ntau siv hauv kev sim biochemical los ntsuas kev ua haujlwm ntawm cov enzymes xws li β-glucuronidase.Cov tshuaj no yog hydrolyzed los ntawm cov enzyme, ua rau tso tawm 4-nitrophenol, uas tuaj yeem ntsuas tau siv spectrophotometric.Nws siv ua rau cov kws tshawb fawb los kawm txog ntau yam ntawm cov tshuaj metabolism, toxicology, thiab kev soj ntsuam kuaj mob ntsig txog cov tshuaj tiv thaiv glucuronidation.
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Tris Base CAS: 77-86-1 Chaw tsim tshuaj paus Nqe
Tris Base, tseem hu ua Tromethamine los yog THAM, yog ib qho organic compound feem ntau siv nyob rau hauv biochemistry thiab molecular biology.Nws yog dawb, crystalline hmoov uas yog soluble hauv dej thiab muaj cov yam ntxwv amine tsw.Tris Base feem ntau yog siv los ua tus neeg sawv cev buffering kom muaj pH ruaj khov hauv ntau yam kev sim thiab cov txheej txheem, xws li DNA thiab kev tshawb fawb protein.Nws tseem tuaj yeem siv rau hauv kev tsim cov tshuaj thiab hauv kev tsim cov tshuaj ua haujlwm saum npoo av.Zuag qhia tag nrho, Tris Base yog ib qho tseem ceeb hauv ntau daim ntawv thov kev sim uas tswj xyuas pH meej yog qhov tseem ceeb.
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Heppso sodium CAS: 89648-37-3 Chaw tsim tshuaj paus Nqe
N-[2-Hydroxyethyl]piperazine-N'-[2-hydroxypropanesulfonic acid] sodium ntsev yog cov tshuaj sib xyaw nrog cov mis C8H19N2NaO4S.Nws yog sodium ntsev muab los ntawm piperazine, muaj hydroxyethyl thiab hydroxypropanesulfonic acid ua haujlwm pab pawg.Nws yog feem ntau siv nyob rau hauv kev lag luam kws tshuaj raws li ib tug buffering neeg sawv cev thiab stabilizer nyob rau hauv formulations ntawm cov tshuaj.Cov tshuaj no pab tswj cov pH thiab ruaj khov ntawm cov tshuaj.
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1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose CAS: 4163-59-1
1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose yog cov tshuaj sib xyaw uas muaj nyob hauv tsev neeg ntawm carbohydrates.Nws yog ib qho derivative ntawm alpha-D-galactopyranose, ib txwm muaj suab thaj.Qhov kev sib xyaw tshwj xeeb no muaj tsib pawg acetyl txuas rau cov pab pawg hydroxyl tshwj xeeb ntawm cov piam thaj molecule.Nws yog feem ntau siv nyob rau hauv ntau yam tshuaj thiab tshuaj daim ntawv thov, nrog rau raws li ib tug pib cov ntaub ntawv rau lub synthesis ntawm lwm cov tebchaw.Nws daim ntawv acetylated txhim kho nws txoj kev ruaj ntseg thiab kev ua haujlwm, ua rau nws yog ib qho tseem ceeb hauv tsev thaiv hauv organic chemistry.
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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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ACES CAS: 7365-82-4 Chaw tsim tshuaj paus Nqe
N-(2-Acetamido)-2-aminoethanesulfonic acid, tseem hu ua ACES, yog ib qho kev siv buffering tus neeg sawv cev hauv kev tshawb fawb.Nws pab tswj kom muaj pH ruaj khov hauv cov kev daws teeb meem thiab yog soluble hauv dej.ACES muaj toxicity tsawg thiab tsawg cuam tshuam nrog cov txheej txheem biochemical, ua rau nws haum rau ntau yam kev siv.Nws yog feem ntau siv los ua qhov tsis nyob hauv cov kev tshawb fawb protein stabilization thiab kev soj ntsuam enzyme, qhov uas nws tswj xyuas cov xwm txheej zoo rau kev ua kom muaj protein ntau thiab kev ua haujlwm enzyme.
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Phenylgalactoside CAS: 2818-58-8
Phenylgalactoside, tseem hu ua p-nitrophenyl β-D-galactopyranoside (pNPG), yog ib qho hluavtaws substrate nquag siv hauv biochemical thiab molecular biology thwmsim.Nws yog feem ntau siv los kuaj thiab ntsuas qhov ua haujlwm ntawm enzyme β-galactosidase.
Thaum phenylgalactoside yog hydrolyzed los ntawm β-galactosidase, nws tso tawm p-nitrophenol, uas yog xim daj xim.Kev ywj pheej ntawm p-nitrophenol tuaj yeem ntsuas qhov ntau ntawm kev siv spectrophotometer, vim tias qhov nqus ntawm p-nitrophenol tuaj yeem kuaj pom ntawm lub wavelength ntawm 405 nm.
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DIPSO CAS: 68399-80-4 Chaw tsim tshuaj paus Nqe
DIPSO sawv cev rau "Disopropyl azodicarboxylate," uas yog ib qho kev siv tshuaj reagent hauv organic chemistry.Nws yog feem ntau siv rau hauv cov tshuaj tiv thaiv Mitsunobu, uas yog ib txoj hauv kev hloov cov cawv rau hauv ntau pawg xws li esters, ethers, lossis amines.DIPSO ua raws li lub hauv paus ntawm ib tug heev reactive intermediate hu ua azodicarboxylate, uas pab txhawb qhov kev hloov no.
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Alpha-D-Glucose pentaacetate CAS: 3891-59-6
Alpha-D-glucose pentaacetate yog cov tshuaj sib xyaw uas tau txais los ntawm acetylating pawg hydroxyl ntawm alpha-D-glucose nrog tsib pawg acetyl.Nws yog feem ntau siv nyob rau hauv cov organic synthesis raws li ib tug tiv thaiv pab pawg neeg hydroxyl muaj nyob rau hauv carbohydrates.Nws tseem tuaj yeem siv los ua cov ntaub ntawv siv hauv kev tshawb fawb tshuaj thiab tshuaj xyuas, thiab ua cov khoom pib rau kev sib txuas ntawm ntau lub tebchaw.Tsis tas li ntawd, cov piam thaj pentaacetate tau raug tshawb xyuas rau nws txoj kev siv hauv kev xa tshuaj, vim nws cov khoom tswj kev tso tawm.
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CAS: 72200-76-1
Tris maleate yog cov tshuaj sib xyaw ua ke uas ua haujlwm raws li pH tsis thiab hloov kho hauv ntau yam lag luam.Nws yog siv los tswj cov qib pH ruaj khov thiab tiv thaiv kev hloov pauv los ntawm kev ntxiv cov kua qaub lossis cov hauv paus.Tris maleate feem ntau ua hauj lwm hauv kev tshawb fawb biochemical, protein purification, industrial processes, thiab analytical chemistry.Nws yog tshwj xeeb tshaj yog zoo nyob rau hauv buffering nyob rau hauv qis pH ntau yam thiab yog renowned rau nws versatility nyob rau hauv kev tswj kom pom pH tej yam kev mob.
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MOBS CAS: 115724-21-5 Chaw tsim tshuaj paus Nqe
4-morpholin-4-ylbutane-1-sulfonic acid, tseem hu ua MOBS, yog cov khoom siv hluavtaws siv los ua tus neeg sawv cev hauv kev tshawb fawb lom neeg thiab biochemical.Nws ruaj khov thiab muaj peev xwm tswj tau qhov pH ruaj khov nyob rau hauv nruab nrab mus rau me ntsis alkaline ntau.MOBS yog dav siv nyob rau hauv cell kab lis kev cai, enzyme kev soj ntsuam, molecular biology cov txheej txheem, thiab electrophoresis.Nws yog sib xws nrog ntau hom reagents thiab paub txog nws qhov ruaj khov thiab ua haujlwm tsis zoo rau kev hloov pauv hauv qhov kub thiab txias thiab pH.
