-
4-Nitrophenyl beta-D-galactopyranoside CAS: 200422-18-0
4-Nitrophenyl beta-D-galactopyranoside (ONPG) yog ib qho tshuaj sib xyaw ua ke uas feem ntau siv hauv cov tshuaj enzymatic los kuaj xyuas qhov muaj thiab kev ua haujlwm ntawm enzyme β-galactosidase.Nws yog ib qho substrate rau β-galactosidase, uas cleaves lub molecule kom tso cov khoom daj, o-nitrophenol.Kev hloov xim tuaj yeem ntsuas spectrophotometrically, tso cai rau kev txiav txim siab ntau ntawm cov enzyme kev ua haujlwm.Cov tshuaj no yog siv dav hauv molecular biology thiab biochemistry tshawb fawb los ntsuas β-galactosidase kev ua haujlwm thiab kawm txog noob caj noob ces thiab kev tswj hwm.
-
3-(cyclohexylamino)-2-hydroxy-1-propanesuhicic acid CAS: 73463-39-5
3-(cyclohexylamino)-2-hydroxy-1-propanesuhicic acid yog cov tshuaj sib xyaw nrog cov mis molecular C12H23NO3S.Nws belongs rau tsev neeg ntawm cov tebchaw hu ua sulfonic acids.Cov tshuaj no muaj cov pab pawg cyclohexylamino, pawg hydroxy, thiab propanesuhicic acid moiety.Nws yog siv nyob rau hauv ntau daim ntawv thov kev lag luam, suav nrog ua lub tsev thaiv hauv cov organic synthesis thiab ua reagent hauv kev tshawb fawb tshuaj.Cov khoom sib xyaw ua ke thiab cov khoom siv tshwj xeeb ua rau nws tsim nyog rau cov tshuaj tiv thaiv tshwj xeeb thiab kev tshawb fawb tshawb fawb.
-
![Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1](//cdn.globalso.com/xindaobiotech/图片943.png)
Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1
Sodium 2-[(2-aminoethyl)amino] ethanesulphonate yog ib qho tshuaj lom neeg feem ntau hu ua taurine sodium.Nws yog ib qho organic compound uas muaj taurine molecule txuas nrog sodium atom.Taurine nws tus kheej yog ib txwm tshwm sim amino acid zoo li cov khoom muaj nyob hauv ntau cov ntaub so ntswg tsiaj.
Taurine sodium yog dav siv los ua kev noj haus ntxiv thiab cov khoom xyaw hauv cov dej haus ua haujlwm thiab cov dej haus muaj zog.Nws paub txog nws cov txiaj ntsig kev noj qab haus huv, xws li txhawb kev noj qab haus huv ntawm cov hlab plawv, tswj cov electrolyte tshuav, thiab txhawb kev paub txog kev ua haujlwm.
Hauv lub cev, taurine sodium muaj lub luag haujlwm hauv kev tsim cov kua tsib acid, osmoregulation, kev ua haujlwm antioxidant, thiab kev hloov pauv ntawm kev ua haujlwm neurotransmitter.Nws tseem ntseeg tau tias muaj cov khoom tiv thaiv kab mob thiab tuaj yeem pab tiv thaiv qee qhov muag tsis pom kev.
-
4-Nitrophenyl-alpha-D-galactopyranoside CAS: 7493-95-0
4-Nitrophenyl-alpha-D-glucopyranoside yog ib qho tshuaj lom neeg uas feem ntau siv hauv kev sim tshuaj biochemical thiab kev soj ntsuam.Nws yog ib qho substrate uas tuaj yeem cleaved los ntawm qee cov enzymes, xws li glycosidases, tso tawm cov khoom kuaj pom.Nws cov qauv muaj cov piam thaj molecule (alpha-D-glucose) txuas nrog 4-nitrophenyl pawg.Cov tshuaj no feem ntau siv los kawm thiab ntsuas cov haujlwm ntawm cov enzymes koom nrog hauv carbohydrate metabolism thiab glycosylation txheej txheem.Nws cov xim daj tso cai rau kev tshawb nrhiav tau yooj yim thiab kom muaj nuj nqis, ua rau nws muaj txiaj ntsig zoo hauv ntau yam tshuaj biochemical thiab enzymatic.
-
MES sodium ntsev CAS: 71119-23-8
MES sodium ntsev, tseem hu ua 2-(N-morpholino) ethanesulfonic acid sodium ntsev, yog ib qho tshuaj lom neeg siv los ua tus neeg sawv cev buffering.Nws yog cov kua qaub nrog pKa tus nqi kwv yees li 6.15.MES sodium ntsev yog soluble hauv dej thiab nws cov txiaj ntsig zoo yog nyob ib puag ncig pH 5.5 txog 6.7.Nws yog dav siv nyob rau hauv biochemical thiab biological kev tshawb fawb, nrog rau ntau yam tshuaj tiv thaiv, protein purification, gel electrophoresis, enzyme kev tshawb fawb, thiab cell culture thwmsim.Daim ntawv sodium ntsev txhim khu lub compound solubility thiab stability, ua rau nws yooj yim mus lis thiab siv nyob rau hauv lub chaw kuaj mob.
-
Ada Monosodium CAS: 7415-22-7
N-(2-Acetamido) iminodiacetic acid monosodium ntsev, tseem hu ua sodium iminodiacetate los yog sodium IDA, yog ib qho tshuaj lom neeg siv los ua tus neeg sawv cev chelating thiab buffering tus neeg sawv cev hauv ntau yam lag luam thiab kev siv tshawb fawb.
Nws cov qauv tshuaj muaj ib qho iminodiacetic acid molecule nrog ib pawg acetamido ua haujlwm nrog rau ib qho ntawm cov nitrogen atoms.Lub monosodium ntsev daim ntawv ntawm cov compound muab kev txhim kho solubility thiab stability nyob rau hauv aqueous daws.
Raws li tus neeg sawv cev chelating, sodium iminodiacetate muaj kev sib raug zoo rau cov hlau ions, tshwj xeeb yog calcium, thiab tuaj yeem ua kom zoo thiab khi lawv, tiv thaiv qhov tsis xav tau lossis kev cuam tshuam.Cov cuab yeej no ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv, suav nrog chemistry, biochemistry, pharmacology, thiab cov txheej txheem tsim khoom.
Ntxiv nrog rau nws cov peev xwm chelation, sodium iminodiacetate kuj ua raws li tus neeg sawv cev buffering, pab tswj cov pH uas xav tau los ntawm kev tiv thaiv kev hloov pauv hauv acidity lossis alkalinity.Qhov no ua rau nws muaj txiaj ntsig hauv ntau yam kev tshuaj ntsuam xyuas thiab kev sim tshuaj lom neeg uas yuav tsum tau tswj pH meej.
-
Glucose-pentaacetate CAS: 604-68-2
Glucose pentaacetate, tseem hu ua beta-D-glucose pentaacetate, yog cov tshuaj sib xyaw ua ke los ntawm cov piam thaj.Nws yog tsim los ntawm acetylating tsib pawg hydroxyl tam sim no hauv qabzib nrog acetic anhydride, uas ua rau muaj kev sib txuas ntawm tsib pawg acetyl.Daim ntawv acetylated ntawm qabzib no tuaj yeem siv rau hauv ntau yam tshuaj tiv thaiv raws li cov khoom siv pib, pab pawg tiv thaiv, lossis ua tus neeg nqa khoom rau kev tso tshuaj.Nws kuj yog feem ntau siv hauv kev tshawb fawb tshuaj thiab tshuaj xyuas.
-
CAS: 108321-07-9
Piperazine-N, N'-bis (2-hydroxypropanesulphonic acid) disodium ntsev yog cov tshuaj sib xyaw ua ke ntawm piperazine, bis (2-hydroxypropanesulphonic acid) pawg, thiab ob lub sodium ions.Nws yog feem ntau siv los ua tus neeg sawv cev buffering thiab pH regulator nyob rau hauv ntau yam kev lag luam thiab kev sim.Lub compound pab tswj cov pH tshwj xeeb hauv cov kev daws teeb meem, ua rau nws muaj txiaj ntsig zoo hauv cov txheej txheem xws li kev ntxuav cov protein, molecular biology, thiab kev tshawb fawb tshuaj.Tsis tas li ntawd, nws tuaj yeem ua raws li tus neeg sawv cev chelate rau cov hlau ions thiab ua kom ruaj khov enzyme kev ua haujlwm hauv qee cov tshuaj biochemical.
-
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.
-
CHES Na CAS: 103-47-9 Chaw tsim tshuaj paus Nqe
2-(Cyclohexylamino) ethanesulfonic acid yog cov tshuaj sib xyaw nrog cov mis molecular C10H21NO3S.Nws tseem paub los ntawm nws cov ntawv luv CHES.CHES yog sulfonic acid derivative uas muaj ob pawg amino thiab sulfonic acid pawg hauv nws cov qauv.
CHES feem ntau yog siv los ua tus neeg sawv cev buffering hauv biochemical thiab kev tshawb fawb lom neeg.Nws yog pH-ruaj khov thiab tswj hwm ib puag ncig pH zoo ib yam, tshwj xeeb hauv cov chaw kuaj mob uas muaj cov tshuaj tiv thaiv enzymatic lossis kev tshawb fawb protein.CHES muaj pKa ntawm 9.3, ua rau nws muaj txiaj ntsig tsis zoo nyob ib puag ncig pH 9.
Nws cov qauv tshuaj lom neeg tshwj xeeb thiab cov khoom ua rau CHES muaj txiaj ntsig zoo hauv ntau daim ntawv thov, xws li hauv kev npaj cov kev daws teeb meem tsis zoo rau electrophoresis, enzyme kev soj ntsuam, thiab xov tooj ntawm tes kab lis kev cai.Nws feem ntau nyiam rau cov ntawv thov uas xav tau pH ntau ntawm 8.5 txog 10.
-
Desvenlafaxine Succinate CAS: 386750-22-7
Desvenlafaxine Succinate yog dual serotonin thiab norepinephrine reuptake inhibitor (SNRI) uas tau pom zoo rau kev kho mob ntawm kev nyuaj siab loj (MDD) hauv Tebchaws Meskas hauv xyoo 2008. Txhawm rau txhim kho qhov ua tau zoo thiab kev nyab xeeb profile ntawm venlafaxine, Wyeth nrhiav thiab tsim ib qho ntawm cov metabolites loj ntawm venlafaxine, uas yog O-desmethyl metabolite (desvenlafaxine).
-
Acid Protease CAS TSIS: 9025-49-4
Protease yog ib hom hydrolase uas tawg peptide bonds.Nws muaj ntau yam kev siv thiab yog ib qho tseem ceeb ntawm kev lag luam enzyme npaj.Nws ua rau cov protein thiab decomposes rau hauv peptones, peptides thiab cov amino acids dawb, thiab feem ntau yog siv rau hauv cov zaub mov, pub, tawv, tshuaj thiab brewer Chemicalbook kev lag luam..
![Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1](http://cdn.globalso.com/xindaobiotech/图片943.png)
