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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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D-Glucuronic acid CAS: 6556-12-3
D-Glucuronic acid yog cov kua qaub qab zib tau los ntawm cov piam thaj, thiab nws muaj nyob hauv tib neeg lub cev thiab ntau yam nroj tsuag thiab tsiaj cov ntaub so ntswg.Nws ua lub luag haujlwm tseem ceeb hauv detoxification, khi rau thiab tshem tawm cov co toxins thiab tshuaj los ntawm lub cev.Tsis tas li ntawd, D-Glucuronic acid koom nrog hauv kev sib txuas thiab cov metabolism hauv ntau lub molecules, suav nrog glycosaminoglycans, uas yog qhov tseem ceeb rau cov ntaub so ntswg sib txuas.Nws muaj cov khoom antioxidant thiab cov txiaj ntsig kev noj qab haus huv, thiab nws yog siv rau hauv cov khoom noj khoom haus thiab cov khoom siv tawv nqaij.
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2-Chloroethanesulfonic acid CAS: 15484-44-3
2-Chloroethanesulfonic acid, tseem hu ua chloroethanesulfonic acid los yog CES, yog cov organic compound nrog cov tshuaj formula C2H5ClSO3H.Nws yog cov kua ntshiab, tsis muaj xim uas yog soluble hauv dej thiab polar organic solvents.
CES yog dav siv los ua ntau yam tshuaj nruab nrab hauv ntau qhov kev lag luam.Nws yog feem ntau ua hauj lwm nyob rau hauv lub synthesis ntawm pharmaceuticals, agrochemicals, thiab organic dyes.Nws pab pawg sulfonic acid ua rau nws muaj txiaj ntsig zoo rau kev qhia txog sulfonic acid ua haujlwm rau hauv cov organic molecules, uas tuaj yeem txhim kho lawv cov solubility, stability, lossis bioactivity.
Vim nws cov acidity muaj zog, CES kuj tuaj yeem siv los ua cov khoom siv hluav taws xob lossis cov kua qaub hauv cov tshuaj tiv thaiv organic.Nws cov acidic xwm tso cai rau nws los txhawb cov kev tshwm sim xws li esterifications, acylations, thiab sulfonations.Tsis tas li ntawd, nws tuaj yeem ua tus pH adjuster, buffering agent, lossis corrosion inhibitor hauv kev lag luam.
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HEIDA CAS: 93-62-9 Chaw tsim tshuaj paus Nqe
N-(2-Hydroxyethyl) iminodiacetic acid (HEIDA) yog ib qho tshuaj sib xyaw nrog ntau daim ntawv thov hauv ntau qhov chaw.Nws yog tus neeg sawv cev chelate, txhais tau tias nws muaj peev xwm khi rau cov hlau ions thiab tsim cov complexes ruaj khov.
Nyob rau hauv analytical chemistry, HEIDA feem ntau yog siv los ua ib tug complexing neeg sawv cev nyob rau hauv titrations thiab analytical sib cais.Nws tuaj yeem ua haujlwm rau sequester hlau ions, xws li calcium, magnesium, thiab hlau, thiab yog li tiv thaiv lawv los ntawm kev cuam tshuam nrog qhov tseeb ntawm kev ntsuas ntsuas.
HEIDA tseem pom daim ntawv thov hauv kev lag luam kws tshuaj, tshwj xeeb hauv kev tsim cov tshuaj qee yam.Nws tuaj yeem siv los ua tus stabilizer thiab solubilizing tus neeg sawv cev rau cov tshuaj tsis zoo soluble, pab txhim kho lawv cov bioavailability thiab kev ua tau zoo.
Lwm qhov chaw siv rau HEIDA yog nyob rau hauv kev kho dej khib nyiab thiab kev kho ib puag ncig.Nws tuaj yeem ua haujlwm ua tus neeg saib xyuas kom tshem tawm cov kab mob hnyav hlau los ntawm dej lossis av, yog li txo lawv cov tshuaj lom thiab txhawb kev kho mob.
Tsis tas li ntawd, HEIDA tau siv rau hauv kev sib koom ua ke ntawm kev sib koom ua ke thiab cov hlau-organic moj khaum (MOFs), uas muaj ntau yam kev siv hauv catalysis, roj cia, thiab kev hnov.
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4-Aminophenyl-β-D-galactopyranoside CAS: 5094-33-7
4-Aminophenyl-β-D-galactopyranoside yog cov khoom siv hluavtaws uas zoo ib yam li cov substrate 3-Nitrophenyl-β-D-galactopyranoside (ONPG).Nws yog siv los ua substrate rau beta-galactosidase enzyme assays.Thaum 4-aminophenyl-β-D-galactopyranoside yog hydrolyzed los ntawm beta-galactosidase, nws tso tawm cov xim daj xim hu ua p-aminophenol.Qhov kev ua ntawm beta-galactosidase tuaj yeem ntsuas los ntawm kev ntsuas qhov ntau ntawm p-aminophenol tsim, feem ntau los ntawm kev tshuaj ntsuam colorimetric lossis spectrophotometric.Qhov no substrate feem ntau yog siv nrog rau lwm cov derivatives thiab analogs ntawm lactose los kawm txog beta-galactosidase kev ua, cov noob qhia. , enzyme inhibition lossis activation, thiab kev txheeb xyuas cov kab mob.Lub peev xwm los kuaj xyuas thiab ntsuas kev ua haujlwm ntawm beta-galactosidase yog qhov tseem ceeb hauv ntau qhov kev tshawb fawb, suav nrog molecular biology, microbiology, thiab kev kuaj mob.
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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.
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2-NITROPHENYL-BETA-D-GLUCOPYRANOSIDE CAS TSIS TAU: 2816-24-2
2-Nitrophenyl-beta-D-glucopyranoside yog ib qho tshuaj sib xyaw ua ke ntawm glucopyranoside molecule txuas rau pawg nitrophenyl.Nws yog feem ntau siv los ua ib qho substrate hauv kev tshuaj xyuas enzymatic los kuaj thiab ntsuas qhov kev ua ntawm enzymes xws li beta-glucosidase.Cov pab pawg nitrophenyl tuaj yeem cleaved los ntawm cov enzyme, uas ua rau kev tso tawm ntawm cov khoom xim daj tuaj yeem ntsuas spectrophotometrically.Cov tshuaj no yog tshwj xeeb tshaj yog pab tau nyob rau hauv kev kawm enzyme kinetics thiab high-throughput ntsuam xyuas ntawm enzyme inhibitors los yog activators.Nws kuj tseem ua hauj lwm hauv kev tshawb fawb biochemical rau kev tshawb nrhiav cov carbohydrate metabolism thiab ua glycosidic-linkage-specific substrate.
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MES HEMISODIUM ntsev CAS: 117961-21-4
2-Amino-2-methyl-1,3-propanediol, tseem hu ua AMPD lossis α-methyl serinol, yog cov tshuaj sib xyaw nrog cov mis molecular C4H11NO2.Nws yog ib qho amino cawv uas feem ntau siv los ua cov tshuaj nruab nrab hauv kev sib txuas ntawm cov tshuaj thiab cov organic sib txuas.AMPD paub txog nws lub peev xwm los ua tus chiral auxiliary hauv cov tshuaj tiv thaiv asymmetric, ua rau nws muaj txiaj ntsig hauv kev tsim cov tshuaj dawb huv enantiomerically.Tsis tas li ntawd, nws tau siv los ua ib qho khoom siv hauv kev saib xyuas tus kheej thiab cov khoom kom zoo nkauj rau nws cov khoom moisturizing.
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Tris (hydroxymethyl) nitromethane CAS 126-11-4
Tris (hydroxymethyl) nitromethane, feem ntau hu ua Tris lossis THN, yog cov tshuaj sib xyaw nrog cov mis molecular C4H11NO4.Nws yog daj daj crystalline khoom uas yog soluble hauv dej.Tris yog dav siv los ua tus neeg sawv cev buffering hauv biochemical thiab molecular biology daim ntaub ntawv.Nws pab tswj kom muaj pH ruaj khov hauv cov kev daws teeb meem, ua rau nws muaj txiaj ntsig zoo rau ntau yam txuj ci xws li DNA thiab RNA cais tawm, PCR, gel electrophoresis, protein purification, cell culture, protein chemistry, enzymology, thiab biochemical assay.Tris's buffering zog tso cai rau kev pom zoo nyob rau hauv cov kev sim no, kom ntseeg tau qhov tseeb thiab txhim khu kev qha.
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X-GAL CAS: 7240-90-6 Chaw tsim tshuaj paus Nqe
5-Bromo-4-chloro-3-indolyl-β-D-galactoside (X-Gal) yog ib hom chromogenic substrate siv nyob rau hauv molecular biology thiab biochemistry daim ntaub ntawv.Nws yog dav siv rau kev tshawb pom ntawm lacZ noob, uas encodes enzyme β-galactosidase.
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Tom ntej: 1,2,3,4,6-Penta-O-acetyl-D-mannopyranose CAS: 25941-03-1
1,2,3,4,6-Penta-O-acetyl-D-mannopyranose yog cov tshuaj sib xyaw ua ke los ntawm D-mannose, cov suab thaj yooj yim.Nws yog ib qho derivative uas acetyl pawg txuas nrog tsib ntawm rau 6 pawg hydroxyl tam sim no nyob rau hauv mannose molecule.Daim ntawv acetylated ntawm D-mannose no feem ntau yog siv rau hauv cov organic synthesis thiab tshuaj tshawb fawb raws li lub tsev thaiv lossis cov khoom pib rau kev sib txuas ntawm cov molecules complex.Cov pab pawg acetyl muab kev ruaj ntseg thiab tuaj yeem hloov pauv cov reactivity thiab cov khoom ntawm cov compound.
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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS: 4064-06-6
1,2: 3,4-Di-O-isopropylidene-D-galactopyranose yog cov tshuaj sib xyaw uas muaj nyob hauv tsev neeg ntawm galactopyranose derivatives.Nws yog feem ntau siv nyob rau hauv cov organic chemistry raws li ib tug tiv thaiv tus neeg sawv cev rau cov hydroxyl pawg nyob rau hauv cov suab thaj, tshwj xeeb tshaj yog galactose.Lub compound yog synthesized los ntawm reacting D-galactose nrog acetone los ua ib tug diacetone derivative, uas yog tom qab ntawd kho nrog acid los tsim di-O-isopropylidene derivative.Qhov derivative no tiv thaiv cov pab pawg hydroxyl, tiv thaiv cov kev xav tsis zoo thaum lub sijhawm siv tshuaj lom neeg, thiab tuaj yeem raug xaiv tshem tawm kom rov tsim cov khoom qub.Nws cov qauv compact thiab ruaj khov ua rau nws muaj txiaj ntsig zoo hauv ntau daim ntawv thov hauv thaj chaw ntawm cov organic synthesis.
