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3-(cyclohexylamino)-2-hydroxy-1-propanesuhicic acid CAS: 73463-39-5
3-(cyclohexylamino)-2-hydroxy-1-propanesuhicic acid yog ib yam tshuaj uas muaj cov mis molecular C12H23NO3S. Nws yog ib yam khoom uas muaj cov tshuaj hu ua sulfonic acids. Cov tshuaj no muaj ib pawg cyclohexylamino, ib pawg hydroxy, thiab ib pawg propanesuhicic acid. Nws yog siv rau ntau yam kev siv hauv kev lag luam, suav nrog ua ib lub hauv paus rau kev tsim cov organic thiab ua ib qho reagent hauv kev tshawb fawb txog tshuaj. Cov qauv thiab cov khoom tshwj xeeb ntawm cov tshuaj no ua rau nws tsim nyog rau cov tshuaj tiv thaiv tshwj xeeb thiab kev tshawb fawb txog kev tshawb fawb.
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HEIDA CAS: 93-62-9 Tus nqi tsim khoom
N-(2-Hydroxyethyl)iminodiacetic acid (HEIDA) yog ib hom tshuaj uas muaj ntau yam kev siv hauv ntau qhov chaw sib txawv. Nws yog ib qho tshuaj chelating, uas txhais tau tias nws muaj peev xwm khi rau cov hlau ions thiab tsim cov khoom sib xyaw ruaj khov.
Hauv kev tshuaj xyuas tshuaj, HEIDA feem ntau siv los ua tus neeg sawv cev sib xyaw hauv kev ntsuas thiab kev sib cais tshuaj. Nws tuaj yeem siv los cais cov 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 tshuaj.
HEIDA kuj tseem siv tau rau hauv kev lag luam tshuaj, tshwj xeeb tshaj yog hauv kev tsim cov tshuaj. Nws tuaj yeem siv ua tus neeg sawv cev stabilizer thiab solubilizing rau cov tshuaj uas yaj tsis tau zoo, pab txhim kho lawv cov bioavailability thiab kev ua haujlwm zoo.
Lwm qhov chaw siv rau HEIDA yog nyob rau hauv thaj chaw ntawm kev kho dej khib nyiab thiab kev kho ib puag ncig. Nws tuaj yeem siv ua tus neeg sawv cev cais tawm kom tshem tawm cov hlau hnyav ntawm cov dej lossis av, yog li txo lawv cov tshuaj lom thiab txhawb kev siv zog kho.
Tsis tas li ntawd xwb, HEIDA tau siv rau hauv kev tsim cov tshuaj sib koom tes thiab cov hlau-organic frameworks (MOFs), uas muaj ntau yam kev siv hauv catalysis, roj cia, thiab kev soj ntsuam.
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2,3,5,6-Di-O-isopropylidene-α-D-mannofuranose CAS: 14131-84-1
2,3,5,6-Di-O-isopropylidene-α-D-mannofuranose yog ib qho tshuaj siv hauv kev tsim cov organic ua ib pawg tiv thaiv rau cov pab pawg hydroxyl ntawm mannose. Los ntawm kev txuas cov pab pawg isopropylidene rau cov pab pawg hydroxyl ntawm qhov chaw 2, 3, 5, thiab 6 ntawm lub nplhaib mannose, cov tshuaj no pab tiv thaiv cov tshuaj tsis zoo los ntawm kev tshwm sim ntawm cov chaw ntawd. Kev tiv thaiv no tso cai rau kev hloov pauv xaiv ntawm lwm cov pab pawg ua haujlwm hauv lub molecule. Nws feem ntau siv hauv kev tsim cov carbohydrates nyuaj thiab glycoconjugates, uas ua lub luag haujlwm tseem ceeb hauv cov txheej txheem biological thiab muaj kev siv hauv cov cheeb tsam xws li kev xa tshuaj, kev kuaj mob, thiab kev tiv thaiv kab mob.
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MES HEMISODIUM SALT CAS: 117961-21-4
2-Amino-2-methyl-1,3-propanediol, tseem hu ua AMPD lossis α-methyl serinol, yog ib qho tshuaj lom neeg uas muaj cov mis molecular C4H11NO2. Nws yog ib qho amino cawv uas feem ntau siv ua cov tshuaj nruab nrab hauv kev tsim cov tshuaj thiab cov organic compounds. AMPD paub txog nws lub peev xwm los ua chiral auxiliary hauv cov tshuaj tiv thaiv asymmetric, ua rau nws muaj txiaj ntsig zoo hauv kev tsim cov enantiomerically pure compounds. Tsis tas li ntawd, nws tau siv ua cov khoom xyaw hauv kev saib xyuas tus kheej thiab cov khoom siv pleev 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 ib qho tshuaj lom neeg uas muaj cov mis molecular C4H11NO4. Nws yog ib qho khoom siv daj daj uas yaj tau zoo hauv dej. Tris siv dav ua tus neeg sawv cev buffering hauv kev siv biochemical thiab molecular biology. Nws pab tswj kom muaj pH ruaj khov hauv cov tshuaj, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv xws li DNA thiab RNA cais, PCR, gel electrophoresis, protein purification, cell culture, protein chemistry, enzymology, thiab biochemical assays. Tris cov khoom buffering tso cai rau cov xwm txheej zoo tshaj plaws hauv cov kev sim no, ua kom ntseeg tau tias muaj cov txiaj ntsig tseeb thiab txhim khu kev qha.
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D-Glucuronic acid CAS: 6556-12-3
D-Glucuronic acid yog ib hom kua qaub qab zib uas tau los ntawm cov piam thaj glucose, thiab nws pom muaj nyob rau hauv tib neeg lub cev thiab ntau yam nroj tsuag thiab tsiaj txhu cov nqaij. Nws ua lub luag haujlwm tseem ceeb hauv kev tshem tawm cov tshuaj lom, khi rau thiab tshem tawm cov tshuaj lom thiab tshuaj tawm ntawm lub cev. Tsis tas li ntawd, D-Glucuronic acid koom nrog kev tsim thiab kev ua haujlwm ntawm ntau yam molecules, suav nrog glycosaminoglycans, uas yog qhov tseem ceeb rau cov nqaij sib txuas. Nws muaj cov khoom antioxidant thiab cov txiaj ntsig kev noj qab haus huv, thiab nws yog siv rau hauv cov tshuaj noj thiab cov khoom siv tawv nqaij.
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3-HYDROXY-4-(5-NITROPYRIDYLAZO) PROPYLANI CAS: 143205-66-7
3-HYDROXY-4-(5-NITROPYRIDYLAZO) PROPANAL, tseem hu ua NBD-aldehyde, yog ib qho tshuaj uas feem ntau siv hauv kev tshawb fawb biochemistry thiab molecular biology.
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Cov yeeb nkab sesquisodium ntsev CAS: 100037-69-2
PIPES sesquisodium ntsev yog ib qho tshuaj lom neeg uas feem ntau hu ua PIPES. Nws yog ib qho tshuaj buffering thiab biological buffer siv rau hauv ntau yam kev tshawb fawb. PIPES muaj txiaj ntsig zoo rau kev tswj hwm pH ruaj khov hauv qhov ntau ntawm 6.1-7.5. Nws ruaj khov rau ntau qhov kub thiab txias, ua rau nws tsim nyog rau kev siv hauv kev sim ua nyob rau hauv ntau yam xwm txheej. PIPES feem ntau siv rau hauv kev cog qoob loo ntawm tes, kev tshawb fawb txog protein thiab enzyme, gel electrophoresis, thiab ntau yam kev siv tshuaj molecular biology. Nws yog ib qho tseem ceeb kom sab laj nrog cov neeg xa mus lossis cov kws tshaj lij kom tau txais kev taw qhia txog qhov kev sib xyaw tshwj xeeb thiab cov xwm txheej ntawm kev siv rau PIPES hauv koj qhov kev tshawb fawb.
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4-Nitrophenyl beta-D-galactopyranoside CAS: 200422-18-0
4-Nitrophenyl beta-D-galactopyranoside (ONPG) yog ib yam tshuaj uas feem ntau siv rau hauv kev ntsuam xyuas enzymatic los ntes qhov muaj thiab kev ua haujlwm ntawm cov enzyme β-galactosidase. Nws yog ib qho substrate rau β-galactosidase, uas txiav cov molecule kom tso tawm cov khoom daj, o-nitrophenol. Kev hloov xim tuaj yeem ntsuas spectrophotometrically, uas tso cai rau kev txiav txim siab ntau ntawm cov enzyme ua haujlwm. Cov tshuaj no yog siv dav hauv kev tshawb fawb molecular biology thiab biochemistry los ntsuas qhov kev ua haujlwm β-galactosidase thiab kawm txog kev qhia tawm thiab kev tswj hwm gene.
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3-[(3-Cholanidopropyl)dimethylammonio]-1-propanesulfonate CAS: 75621-03-3
CHAPS (3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate) yog ib yam tshuaj ntxuav uas siv ntau hauv biochemistry thiab molecular biology. Nws yog ib yam tshuaj ntxuav zwitterionic, uas txhais tau tias nws muaj ob pawg uas muaj zog zoo thiab muaj zog tsis zoo.
CHAPS paub txog nws lub peev xwm los yaj thiab ruaj khov cov protein membrane, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv xws li kev rho tawm cov protein, kev ntxuav, thiab kev piav qhia. Nws cuam tshuam kev sib cuam tshuam ntawm lipid thiab protein, ua rau cov protein membrane raug rho tawm hauv lawv lub xeev ib txwm muaj.
Tsis zoo li lwm cov tshuaj ntxuav tes, CHAPS tsis hnyav heev thiab tsis ua rau feem ntau cov protein puas tsuaj, ua rau nws yog ib qho kev xaiv zoo heev rau kev tswj cov qauv thiab kev ua haujlwm ntawm cov protein thaum lub sijhawm sim. Nws kuj tseem tuaj yeem pab tiv thaiv kev sib sau ua ke ntawm cov protein.
CHAPS feem ntau siv rau hauv cov txheej txheem xws li SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis), isoelectric focusing, thiab Western blotting. Nws kuj tseem siv ntau zaus hauv kev tshawb fawb txog cov enzymes uas khi rau daim nyias nyias, kev hloov pauv teeb liab, thiab kev sib cuam tshuam ntawm cov protein-lipid.
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HEPBS CAS:161308-36-7 Tus nqi tsim khoom
N-(2-Hydroxyethyl)piperazine-N'-(4-butanesulfonic acid), feem ntau hu uaHEPBS, yog ib qho tshuaj lom neeg siv ua tus neeg sawv cev buffering thiab pH regulator hauv kev tshawb fawb txog kab mob thiab biochemical. Nws muaj ntau yam kev siv, suav nrog kev cog qoob loo ntawm tes, kev tshawb fawb txog enzyme, electrophoresis, biochemical assays, thiab kev tsim tshuaj.HEPBS pab tswj kom muaj pH ruaj khov, tshwj xeeb tshaj yog nyob rau hauv qhov ntau ntawm kev ua haujlwm ntawm lub cev, thiab paub txog nws lub peev xwm zoo buffering thiab sib xws nrog ntau yam kev sim.
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2-NITROPHENYL-BETA-D-GLUCOPYRANOSIDE CAS: 2816-24-2
2-Nitrophenyl-beta-D-glucopyranoside yog ib yam tshuaj uas muaj ib lub molecule glucopyranoside txuas nrog ib pawg nitrophenyl. Nws feem ntau siv ua ib lub substrate hauv kev ntsuam xyuas enzymatic los ntes thiab ntsuas qhov kev ua haujlwm ntawm cov enzymes xws li beta-glucosidase. Pawg nitrophenyl tuaj yeem raug txiav los ntawm cov enzyme, ua rau muaj kev tso tawm ntawm cov khoom daj uas tuaj yeem ntsuas spectrophotometrically. Cov tshuaj no yog qhov tshwj xeeb tshaj yog pab tau rau kev kawm txog enzyme kinetics thiab kev tshuaj ntsuam xyuas high-throughput ntawm cov enzyme inhibitors lossis activators. Nws kuj tseem siv rau hauv kev tshawb fawb biochemical rau kev tshawb nrhiav ntawm carbohydrate metabolism thiab ua ib lub glycosidic-linkage-specific substrate.
