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Egtazic acid CAS: 67-42-5 Chaw tsim tshuaj paus Nqe
Ethylenebis (oxyethylenenitrilo) tetraacetic acid (EGTA) yog cov tshuaj chelating feem ntau siv hauv kev tshawb fawb lom neeg thiab tshuaj lom neeg.Nws yog ib qho khoom siv hluavtaws uas tau muab los ntawm ethylenediamine thiab ethylene glycol.EGTA muaj kev sib raug zoo rau cov hlau divalent ions, tshwj xeeb tshaj yog calcium, thiab yog dav siv los chelate thiab sequester cov ions nyob rau hauv ntau yam kev siv xws li hauv cell kab lis kev cai, enzyme kev soj ntsuam, thiab molecular biology cov tswv yim.Los ntawm kev khi rau calcium thiab lwm yam hlau ions, EGTA pab tswj lawv cov concentrations, yog li cuam tshuam rau ntau yam txheej txheem biochemical.
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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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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.
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4-(2-hydroxyethyl)piperazine-1-ethane-sulfon.ac.CAS: 103404-87-1
4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium ntsev, tseem hu ua CAPSO Na, yog ib qho tshuaj lom neeg feem ntau siv los ua tus neeg sawv cev hauv kev siv biochemical thiab molecular biology.Nws yog zwitterionic ntsev uas pab tswj thiab tswj pH ruaj khov nyob rau hauv ib qho tshwj xeeb.CAPSO Na tau sib xws nrog cov kab ke lom neeg, ua rau nws tsim nyog rau ntau yam kev ntsuam xyuas enzymatic, cov txheej txheem ua kom huv cov protein, thiab xov xwm kab lis kev cai ntawm tes.Nws kuj yog siv nyob rau hauv cov txheej txheem electrophoresis thiab paub txog nws cov pH stability thiab compatibility nrog enzymes.
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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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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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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.
