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ALPS CAS: 82611-85-6 Tus nqi tsim khoom
N-Ethyl-N-(3-sulfopropyl) aniline sodium ntsev yog ib qho tshuaj lom neeg uas muaj ib pawg amine (aniline) nrog ib pawg ethyl thiab sulfopropyl txuas rau nws. Nws yog nyob rau hauv daim ntawv ntawm ib tug sodium ntsev, txhais tau tias nws tau raug ionically bonded nrog ib tug sodium ion kom nce nws cov solubility hauv dej. Cov tshuaj no feem ntau yog siv nyob rau hauv tshuaj synthesis, tshuaj, thiab zas xim. Nws cov ntawv thov meej thiab cov khoom yuav txawv nyob ntawm seb siv cov ntaub ntawv tshwj xeeb.
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Methyl1,2,3,4-tetra-O-acetyl-BD-glucuronate CAS: 7355-18-2
Methyl 1,2,3,4-tetra-O-acetyl-β-D-glucuronate yog ib qho tshuaj sib xyaw ua los ntawm β-D-glucuronic acid. Nws feem ntau siv ua lub hauv paus hauv kev ua cov carbohydrate chemistry thiab ua ib pawg tiv thaiv rau cov hydroxyl pawg. Nws pom cov ntawv thov hauv kev tsim cov tshuaj thiab cov tshuaj lom neeg uas muaj cov glucuronic acid moieties.
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CAS: 108321-07-9
Piperazine-N,N'-bis(2-hydroxypropanesulphonic acid) disodium ntsev yog ib qho tshuaj sib xyaw ua ke ntawm piperazine, bis(2-hydroxypropanesulphonic acid) pawg, thiab ob lub sodium ions. Nws feem ntau siv ua tus neeg sawv cev buffering thiab pH regulator hauv ntau yam kev siv hauv kev lag luam thiab chaw kuaj mob. Cov tshuaj no pab tswj kom muaj pH tshwj xeeb hauv cov tshuaj, ua rau nws muaj txiaj ntsig zoo hauv cov txheej txheem xws li kev ntxuav cov protein, molecular biology, thiab kev tshawb fawb txog tshuaj. Tsis tas li ntawd, nws kuj tseem tuaj yeem ua tus neeg sawv cev chelating rau cov hlau ions thiab ua kom cov enzyme ua haujlwm ruaj khov hauv qee yam kev tshuaj lom neeg.
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3-Morpholino-2-hydroxypropanesulfonic acid sodium ntsev CAS: 79803-73-9
3-Morpholino-2-hydroxypropanesulfonic acid sodium ntsev, tseem hu ua MES sodium ntsev, yog ib qho tshuaj lom neeg feem ntau siv ua tus neeg sawv cev buffering hauv kev tshawb fawb txog tsiaj txhu thiab biochemical.
MES yog ib qho zwitterionic buffer uas ua haujlwm ua tus tswj pH, ua kom pH ruaj khov hauv ntau lub tshuab sim. Nws yaj tau zoo heev hauv dej thiab muaj tus nqi pKa ntawm kwv yees li 6.15, ua rau nws tsim nyog rau buffering hauv pH ntawm 5.5 txog 7.1.
MES sodium ntsev feem ntau siv rau hauv cov txheej txheem molecular biology xws li DNA thiab RNA cais, enzyme assays, thiab protein purification. Nws kuj tseem siv rau hauv cell culture media kom tswj tau qhov pH ib puag ncig ruaj khov rau kev loj hlob thiab kev nthuav dav ntawm cell.
Ib qho tseem ceeb ntawm MES yog nws qhov ruaj khov nyob rau hauv cov xwm txheej ntawm lub cev thiab tiv taus kev hloov pauv ntawm qhov kub thiab txias. Qhov no ua rau nws tsim nyog rau kev siv hauv kev sim uas xav tias yuav muaj kev hloov pauv ntawm qhov kub thiab txias.
Cov kws tshawb nrhiav feem ntau nyiam MES sodium ntsev ua ib qho buffer vim nws qhov kev cuam tshuam tsawg kawg nkaus nrog cov tshuaj tiv thaiv enzymatic thiab muaj peev xwm buffer siab hauv nws qhov pH zoo tshaj plaws.
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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 feem ntau siv rau hauv kev tshawb fawb txog biochemical. Nws yog ib daim ntawv hloov kho ntawm cov suab thaj galactose, thiab muaj ntau daim ntawv thov hauv kev ntsuam xyuas enzyme, kev tshuaj xyuas kev qhia txog gene, kev tshuaj ntsuam xyuas, thiab kev ntxuav protein. Nws cov qauv suav nrog acetyl pawg thiab thio pawg, uas pab nrhiav thiab tswj cov haujlwm enzymatic tshwj xeeb. Zuag qhia tag nrho, cov tshuaj no tseem ceeb hauv kev kawm txog kev ua haujlwm thiab kev ua haujlwm ntawm cov enzyme β-galactosidase, nrog rau ntau yam kev sim molecular biology thiab biochemistry.
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DAOS CAS:83777-30-4 Tus nqi tsim khoom
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium ntsev yog ib qho tshuaj sib xyaw uas yog ib feem ntawm cov sulfonated anilines. Nws yog ib daim ntawv sodium ntsev, txhais tau tias nws yog nyob rau hauv daim ntawv ntawm cov khoom siv crystalline uas yaj tau hauv dej. Cov tshuaj no muaj cov mis molecular ntawm C13H21NO6SNa.
Nws muaj ob qho tib si alkyl thiab sulfo pawg, uas ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv. Nws feem ntau siv ua cov xim nruab nrab hauv kev tsim cov xim organic, tshwj xeeb tshaj yog cov siv hauv kev lag luam textile. Cov tshuaj no muab xim thiab txhim kho kev ruaj khov ntawm cov xim, txhim kho lawv cov kev ua tau zoo thiab kev ruaj khov.
Tsis tas li ntawd xwb, nws kuj tseem tuaj yeem ua haujlwm ua surfactant vim nws cov hydrophilic sulfonate pawg thiab hydrophobic alkyl pawg. Cov yam ntxwv no tso cai rau nws kom txo qhov nro ntawm cov kua, ua rau nws muaj txiaj ntsig zoo hauv cov tshuaj ntxuav tes, emulsion stabilizers, thiab lwm yam txheej txheem kev lag luam uas cuam tshuam nrog kev sib kis ntawm cov tshuaj.
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![Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS: 6976-37-0](https://cdn.globalso.com/xindaobiotech/图片169.png)
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS: 6976-37-0
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane, feem ntau hu ua bicine, yog ib yam tshuaj uas muaj cov khoom buffering. Nws siv dav hauv ntau yam kev tshawb fawb thiab kev lag luam. Bicine ua haujlwm ua tus tswj pH, pab tswj kom pH ruaj khov hauv cov tshuaj thiab muab cov xwm txheej zoo tshaj plaws rau cov tshuaj biochemical. Nws pom cov ntawv thov hauv kev ntsuam xyuas enzyme, cov khoom siv kab lis kev cai ntawm tes, cov txheej txheem purification protein, electrophoresis, thiab cov qauv tshuaj.
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4-Nitrophenyl-alpha-D-glucopyranoside CAS: 3767-28-0
4-Nitrophenyl-alpha-D-glucopyranoside yog ib yam tshuaj uas feem ntau siv rau hauv kev sim thiab kev ntsuam xyuas biochemical. Nws yog ib qho substrate uas tuaj yeem raug txiav los ntawm qee cov enzymes, xws li glycosidases, kom tso tawm cov khoom pom tau. Nws cov qauv muaj cov glucose molecule (alpha-D-glucose) txuas nrog 4-nitrophenyl pawg. Cov tshuaj no feem ntau yog siv los kawm thiab ntsuas cov haujlwm ntawm cov enzymes koom nrog hauv kev ua haujlwm ntawm carbohydrate thiab glycosylation.
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Tricine CAS: 5704-04-1 Tus nqi tsim khoom
Tricine yog ib qho tshuaj sib xyaw ua ke uas muaj cov tshuaj lom neeg Zwitterionic nrog cov mis tshuaj C6H13NO5S. Nws siv dav ua tus neeg sawv cev buffering, feem ntau hauv kev siv biochemical thiab biological. Qhov tshwj xeeb ntawm Tricine yog nws lub peev xwm buffering tshwj xeeb ntawm qhov pH me ntsis acidic, ua rau nws muaj txiaj ntsig zoo hauv kev sim uas xav tau ib puag ncig pH ruaj khov thiab meej. Nws feem ntau siv rau hauv protein electrophoresis, molecular biology techniques, enzymatic assays, thiab cell culture media. Tricine pab tswj cov xwm txheej zoo tshaj plaws rau ntau yam txheej txheem biological, kom ntseeg tau tias muaj cov txiaj ntsig tseeb thiab txhim khu kev qha hauv kev tshawb fawb thiab kev tshuaj xyuas.
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Egtazic acid CAS: 67-42-5 Tus nqi tsim khoom
Ethylenebis (oxyethylenenitrilo) tetraacetic acid (EGTA) yog ib yam khoom siv chelating uas feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab tshuaj lom neeg. Nws yog ib qho khoom siv hluavtaws uas tau los ntawm ethylenediamine thiab ethylene glycol. EGTA muaj kev sib raug zoo rau cov hlau ions divalent, tshwj xeeb tshaj yog calcium, thiab siv dav los chelate thiab sequester cov ions no hauv ntau yam kev siv xws li hauv kev cog qoob loo ntawm tes, kev ntsuam xyuas enzyme, thiab cov txheej txheem molecular biology. Los ntawm kev khi rau calcium thiab lwm yam hlau ions, EGTA pab tswj lawv cov concentration, yog li cuam tshuam rau ntau yam txheej txheem biochemical.
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METHYL-BETA-D-GALACTOPYRANOSIDE CAS: 1824-94-8
Methyl-beta-D-galactopyranoside yog ib qho tshuaj lom neeg feem ntau yog los ntawm galactose. Nws yog ib daim ntawv methylated ntawm beta-D-galactose, qhov twg ib pawg methyl hloov ib qho ntawm cov hydroxyl pawg ntawm cov suab thaj molecule. Qhov kev hloov kho no hloov cov khoom ntawm galactose, ua rau nws ruaj khov dua thiab haum rau ntau yam kev siv hauv biochemistry thiab molecular biology. Methyl-beta-D-galactopyranoside feem ntau yog siv ua ib qho substrate hauv enzyme assays, tshwj xeeb tshaj yog hauv kev tshawb fawb txog kev ua haujlwm ntawm beta-galactosidase. Nws kuj tseem siv ua ib qho molecular probe los kawm txog kev paub txog carbohydrate thiab kev sib cuam tshuam, tshwj xeeb tshaj yog hauv cov txheej txheem lectin-mediated.
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HDAOS CAS: 82692-88-4 Tus nqi tsim khoom
HDAOS (N-(2-Hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium ntsev) yog ib hom tshuaj uas siv ntau hauv ntau qhov chaw, suav nrog kev tsim cov organic, tshuaj, thiab kev tshawb fawb txog cov khoom siv. Nws muaj ib lub nplhaib phenyl uas hloov nrog ib pawg hydroxy, ib pawg sulfonic, thiab ob pawg methoxy. HDAOS feem ntau pom muaj nyob rau hauv daim ntawv ntawm cov ntsev sodium, qhia txog qhov muaj sodium cation cuam tshuam nrog pawg sulfonic.
