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Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside CAS: 24404-53-3
Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside yog ib qho tshuaj uas nquag siv hauv kev tshawb fawb biochemical.Nws yog ib qho kev hloov pauv ntawm cov piam thaj molecule galactose, thiab muaj ntau yam kev siv hauv kev tshuaj ntsuam enzyme, kev tshuaj ntsuam gene, kev tshuaj ntsuam xyuas, thiab kev ua kom huv ntawm cov protein.Nws cov qauv muaj xws li acetyl pawg thiab ib pawg thio, uas pab hauv kev tshawb nrhiav thiab tswj cov kev ua ub no tshwj xeeb.Zuag qhia tag nrho, qhov sib xyaw no tseem ceeb hauv kev kawm txog kev ua haujlwm thiab kev ua haujlwm ntawm enzyme β-galactosidase, nrog rau hauv ntau yam molecular biology thiab biochemistry thwmsim.
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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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DAOS CAS: 83777-30-4 Chaw tsim tshuaj paus Nqe
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium ntsev yog cov tshuaj sib xyaw uas muaj nyob rau hauv chav kawm ntawm sulfonated anilines.Nws yog sodium ntsev daim ntawv, txhais tau tias nws yog nyob rau hauv daim ntawv ntawm ib tug crystalline khoom uas yog soluble nyob rau hauv dej.Cov tshuaj no muaj cov mis mos molecular ntawm C13H21NO6SNa.
Nws muaj ob pawg alkyl thiab sulfo, uas ua rau nws muaj txiaj ntsig hauv ntau daim ntawv thov.Nws yog feem ntau siv los ua cov xim nruab nrab hauv kev tsim cov organic dyes, tshwj xeeb tshaj yog cov siv hauv kev lag luam textile.Qhov sib xyaw no txhawb cov xim thiab txhim kho kev ruaj ntseg ntawm dyes, txhim kho lawv cov kev ua tau zoo thiab kav ntev.
Tsis tas li ntawd, nws tuaj yeem ua tus surfactant vim nws pawg hydrophilic sulfonate thiab hydrophobic alkyl pawg.Cov cuab yeej no tso cai rau nws txo qis qhov nro ntawm cov kua dej, ua rau nws muaj txiaj ntsig hauv cov tshuaj detergent formulations, emulsion stabilizers, thiab lwm yam kev lag luam uas cuam tshuam nrog cov khoom tawg.
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Tom ntej: 2-hydroxy-4-morpholinepropanesulphonic acid CAS: 68399-77-9
2-hydroxy-4-morpholinepropanesulphonic acid (CAPS) yog ib tug zwitterionic buffering neeg sawv cev uas nquag siv nyob rau hauv biochemical thiab molecular biology thwmsim.Nws yog ib qho zoo pH stabilizer, tswj pH zoo ib yam ntawm kwv yees li 9.2-10.2.CAPS tau paub tshwj xeeb rau nws cov ntawv thov hauv kev ua kom huv ntawm cov protein, cov tshuaj enzymatic, xov xwm kab lis kev cai ntawm tes, thiab electrophoresis.Nws yog sib xws nrog cov enzymes thiab feem ntau siv los tswj cov pH zoo tshaj plaws rau kev ua enzyme thaum lub sijhawm kuaj ntau yam txheej txheem.CAPS kuj tseem siv rau hauv xov tooj ntawm tes kab lis kev cai los tsim ib qho chaw zoo rau kev loj hlob ntawm tes thiab kev muaj peev xwm.Hauv electrophoresis, nws pab tswj cov pH stability tsim nyog rau kev sib cais thiab kev tsom xam ntawm nucleic acids los yog proteins.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate yog cov tshuaj sib xyaw ua ke uas tau los ntawm cov piam thaj, cov suab thaj yooj yim.Nws yog tsim los ntawm acetylating qabzib nrog tsib pawg acetyl, uas ua rau muaj kev sib txuas ntawm cov pab pawg no rau pawg hydroxyl (OH) uas muaj nyob hauv cov piam thaj molecule.Qhov kev hloov pauv ntawm cov piam thaj no ua rau nws txhim kho kev ruaj ntseg thiab ua rau nws soluble hauv cov kuab tshuaj organic.
Beta-D-glucose pentaacetate muaj ntau yam kev siv hauv thaj chaw ntawm cov organic chemistry, tshwj xeeb tshaj yog nyob rau hauv kev sib txuas thiab kev hloov pauv ntawm carbohydrates.Nws tuaj yeem ua haujlwm ua ntej lossis nruab nrab hauv kev npaj ntawm lwm cov carbohydrate derivatives lossis complex organic compounds.Tsis tas li ntawd, nws tau siv nyob rau hauv qee qhov kev siv tshuaj kho mob thiab tshuaj xws li kev xa tshuaj thiab kev tswj cov qauv tsim tawm.
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3-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE CAS TSIS TAU: 3150-25-2
3-Nitrophenyl-beta-D-galactopyranoside (ONPG) yog ib qho substrate uas feem ntau siv hauv cov tshuaj enzymatic los kuaj thiab ntsuas cov haujlwm ntawm beta-galactosidase.Thaum beta-galactosidase tam sim no thiab nquag nquag, nws hydrolyzes ONPG, tso cov khoom xim daj hu ua 3-nitrophenol.Kev siv ntawm cov xim daj uas ua tau tuaj yeem ntsuas spectrophotometrically, tso cai kom muaj nuj nqis ntawm beta-galactosidase kev ua haujlwm.ONPG nquag siv hauv molecular biology thiab kev tshawb fawb microbiology, nrog rau hauv kev kuaj mob, los kawm txog cov noob caj noob ces, protein ua haujlwm, kev txheeb xyuas kab mob, thiab cell viability.
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TOOS CAS: 82692-93-1 Chaw tsim tshuaj paus Nqe
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate yog ib qho tshuaj lom neeg feem ntau hu ua MESNa.Nws feem ntau yog siv los ua tus neeg sawv cev txo qis hauv biochemistry thiab molecular biology.MESna muaj peev xwm ua kom tawg disulfide bonds hauv cov proteins, hloov mus rau sulfhydryl pawg.Qhov kev txo qis no yog qhov tseem ceeb rau ntau yam kev siv xws li protein denaturation, tiv thaiv kev sib sau ua ke ntawm cov protein, cov ntawv lo rau cov protein, thiab cov protein refolding.MESNa ua lub luag haujlwm tseem ceeb hauv kev tswj hwm cov protein, tshuaj xyuas, thiab hloov kho hauv kev tshawb fawb tshawb fawb.
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Monosodium ntsev CAS: 10010-67-0
Sodium hydrogen piperazine-1,4-diethanesulphonate, tseem hu ua HEPES-Na, yog ib qho kev siv buffering tus neeg sawv cev hauv kev tshawb fawb lom thiab biochemical.Nws pab tswj kom muaj pH ruaj khov ntawm 6.8 txog 8.2 hauv ntau daim ntawv thov, suav nrog kab lis kev cai ntawm tes, kev tshuaj ntsuam enzyme, thiab cov txheej txheem molecular biology.HEPES-Na yog sib xws nrog cov kab mob lom neeg sib txawv thiab ruaj khov tshaj qhov kub thiab txias.
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PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE CAS: 16758-34-2
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE, tseem hu ua phenyl thio galactopyranoside, yog cov tshuaj lom neeg uas muaj nyob hauv tsev neeg ntawm glycosides.Nws yog ib qho galactose derivative uas muaj galactopyranose qab zib chav tsev txuas nrog phenylthio pab pawg ntawm anomeric carbon.This compound feem ntau yog siv rau hauv kev tshawb fawb biochemical ua substrate rau enzymes uas hydrolyze glycosidic bonds.Nws ua raws li cov khoom siv hluav taws xob los kawm txog cov kev ua enzyme ntawm glycosidases thiab txiav txim siab lawv qhov tshwj xeeb, kinetics, thiab inhibition.PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE feem ntau ua haujlwm hauv colorimetric thiab fluorometric kev soj ntsuam txhawm rau txheeb xyuas qhov muaj lossis ntsuas qhov Kev ua haujlwm ntawm ntau yam glycosidases hauv cov qauv lom neeg.Lub hydrolysis ntawm cov tshuaj no los ntawm cov enzymes tshwj xeeb tsim cov teeb liab pom tau tias muaj peev xwm ua kom muaj nuj nqis.Vim nws cov phenylthio pawg ruaj khov, PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE tuaj yeem yooj yim tuav thiab khaws cia yam tsis muaj decomposition, ua rau nws yooj yim xaiv. enzyme kev soj ntsuam thiab kev tshawb fawb thwmsim.
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2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS: 7365-44-8
2-(Tris (hydroxymethyl)methylamino) ethane-1-sulfonic acid, abbreviated li TES, yog ib tug tshuaj compound uas nquag siv los ua ib tug buffering neeg sawv cev nyob rau hauv kev tshawb fawb lom thiab tshuaj lom neeg.Raws li sulfonic acid derivative ntawm tris (hydroxymethyl) aminomethane (Tris), TES tuaj yeem tswj cov pH ruaj khov ntawm 6.8 txog 8.2.Nws nquag ua haujlwm hauv xov tooj ntawm tes kab lis kev cai, tshuaj tiv thaiv enzymatic, protein electrophoresis, thiab kev tshawb fawb DNA / RNA.TES yog qhov muaj ntau yam thiab tseem ceeb heev rau kev tswj xyuas cov xwm txheej zoo hauv ntau yam kev sim thiab cov txheej txheem.
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Dipso sodium CAS: 102783-62-0 Chaw tsim tshuaj paus Nqe
3-[N,N-Bis(hydroxyethyl)amino]-2-hydroxypropanesulphonic acid sodium ntsev, tseem hu ua BES sodium ntsev, yog ib qho tshuaj lom neeg siv hauv kev tshawb fawb biochemical thiab kev siv tshuaj.Nws yog sulfonic acid derivative nrog sodium ntsev daim ntawv, ua rau nws dej-soluble thiab ruaj khov nyob rau hauv aqueous daws.
BES sodium ntsev muaj cov qauv molecular ntawm C10H22NNaO6S thiab qhov hnyav molecular ntawm kwv yees li 323.34 g / mol.Nws feem ntau yog siv los ua tus neeg sawv cev buffering vim nws muaj peev xwm tswj tau qhov pH ruaj khov hauv cov kev daws teeb meem.
Cov tshuaj no paub txog nws lub peev xwm zoo heev los tiv thaiv pH kev hloov pauv los ntawm dilution lossis ntxiv cov kua qaub thiab cov hauv paus.Nws yog feem ntau siv rau hauv cov tshuaj lom neeg thiab cov tshuaj tiv thaiv enzymatic, kab lis kev cai xov xwm ntawm tes, protein purification, thiab lwm yam kev siv uas tswj hwm pH yog qhov tseem ceeb.
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D-(+)-Cellobiose CAS: 528-50-7
D-(+)-Cellobiose yog ib qho disaccharide ua los ntawm ob chav piam thaj txuas nrog beta-1,4-glycosidic daim ntawv cog lus.Nws yog feem ntau pom nyob rau hauv cellulose, lub ntsiab tivthaiv ntawm cov nroj tsuag cell phab ntsa.Cellobiose yog cov xim tsis muaj xim, crystalline khoom uas yog soluble hauv dej.Nws tsis yog digested los ntawm cov kab mob feem ntau, tab sis tuaj yeem hydrolyzed los ntawm qee cov enzymes, xws li cellobiases, kom tawm cov piam thaj.Cellobiose yog ib qho tseem ceeb nruab nrab ntawm microbial degradation ntawm cellulose thiab yog siv nyob rau hauv ntau yam kev siv biotechnological, nrog rau kev tsim cov biofuels.
