Txoj Kev Siv thiab Txoj Kev: Kev sib koom tes, kev sib haum xeeb thiab yeej-yeej
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  • PIPES sesquisodium ntsev CAS: 100037-69-2

    PIPES sesquisodium ntsev CAS: 100037-69-2

    PIPES sesquisodium ntsev yog cov tshuaj lom neeg feem ntau hu ua PIPES.Nws yog tus neeg sawv cev buffering thiab cov khoom siv tsis zoo siv rau hauv ntau yam kev tshawb fawb tshawb fawb.PIPES yog tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau kev tswj xyuas qhov pH ruaj khov hauv lub cev ntawm 6.1-7.5.Nws yog ruaj khov nyob rau hauv ntau qhov kub thiab txias, ua rau nws haum rau siv nyob rau hauv kev sim ua nyob rau hauv ntau yam kev mob.PIPES feem ntau yog ua hauj lwm hauv kab lis kev cai ntawm tes, kev tshawb fawb protein thiab enzyme, gel electrophoresis, thiab ntau yam kev kawm txog biology molecular.Nws yog ib qho tseem ceeb uas yuav tau sab laj cov ntaub ntawv los yog cov kws tshaj lij rau kev taw qhia txog qhov tshwj xeeb thiab kev siv rau PIPES hauv koj qhov kev tshawb fawb.

  • 4-Nitrophenyl beta-D-galactopyranoside CAS: 200422-18-0

    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-[(3-Cholanidopropyl)dimethylammonio]-1-propanesulfonate CAS: 75621-03-3

    3-[(3-Cholanidopropyl)dimethylammonio]-1-propanesulfonate CAS: 75621-03-3

    CHAPS (3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate) yog ib qho tshuaj ntxuav tes siv hauv biochemistry thiab molecular biology.Nws yog zwitterionic detergent, txhais tau tias nws muaj ob qho tib si zoo thiab tsis zoo them pawg.

    CHAPS paub txog nws lub peev xwm los solubilize thiab stabilize membrane proteins, ua rau nws pab tau rau ntau yam kev siv xws li protein extraction, purification, thiab characterization.Nws cuam tshuam lipid-protein kev sib cuam tshuam, tso cai rau cov kua nplaum membrane kom muab rho tawm hauv lawv lub xeev.

    Tsis zoo li lwm cov tshuaj detergents, CHAPS kuj yog me me thiab tsis denature feem ntau cov proteins, ua rau nws yog ib qho kev xaiv zoo heev rau kev tswj cov qauv protein thiab kev ua haujlwm thaum sim.Nws 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 tau nquag siv hauv cov kev tshawb fawb uas muaj cov enzymes membrane-bound, cov teeb liab hloov, thiab kev sib cuam tshuam ntawm cov protein-lipid.

  • HEPBS CAS: 161308-36-7 Chaw tsim tshuaj paus Nqe

    HEPBS CAS: 161308-36-7 Chaw tsim tshuaj paus Nqe

    N-(2-Hydroxyethyl)piperazine-N'-(4-butanesulfonic acid), feem ntau hu uaHEPBS, yog cov tshuaj siv tshuaj siv los ua tus neeg sawv cev buffering thiab pH regulator hauv kev tshawb fawb lom neeg thiab biochemical.Nws muaj ntau yam kev siv, suav nrog kab lis kev cai ntawm tes, kev tshawb fawb enzyme, electrophoresis, biochemical kev soj ntsuam, thiab kev tsim tshuaj.HEPBS pab tswj kom muaj pH ruaj khov, tshwj xeeb tshaj yog nyob rau hauv lub cev muaj zog, thiab paub txog nws cov peev txheej zoo thiab sib haum nrog ntau yam kev sim.

  • 4-Methylumbelliferyl-beta-D-glucopyranoside CAS: 18997-57-4

    4-Methylumbelliferyl-beta-D-glucopyranoside CAS: 18997-57-4

    4-Methylumbelliferyl-beta-D-glucopyranoside yog ib qho substrate uas feem ntau siv hauv cov tshuaj enzymatic los kawm txog kev ua ntawm beta-glucosidase enzymes.Thaum ua raws li beta-glucosidase, nws nkag mus rau hydrolysis, ua rau tso tawm 4-methylumbelliferone, uas tuaj yeem kuaj pom thiab ntsuas tau siv fluorescence spectroscopy.Qhov kev sib xyaw no tau siv dav hauv kev ua haujlwm ntawm biochemistry, molecular biology, thiab biotechnology rau kev soj ntsuam kev ua enzyme thiab tshuaj ntsuam lub hom phiaj.Nws cov cuab yeej fluorescence ua rau nws rhiab heev thiab tsim nyog rau kev siv high-throughput.

  • MOPS CAS: 1132-61-2 Chaw tsim tshuaj paus Nqe

    MOPS CAS: 1132-61-2 Chaw tsim tshuaj paus Nqe

    MOPS, los yog 3-(N-morpholino)propanesulfonic acid, yog ib tug zwitterionic buffering neeg sawv cev uas nquag siv nyob rau hauv lom thiab biochemical kev tshawb fawb.Nws yog feem ntau ua hauj lwm los tuav lub pH ruaj khov nyob rau hauv thaj tsam ntawm 6.5 txog 7.9.MOPS yog dav siv hauv cell culture, molecular biology techniques, protein analysis, enzyme tshua, thiab electrophoresis.Nws lub luag haujlwm tseem ceeb yog tswj hwm thiab ruaj khov pH ntawm kev sim daws teeb meem, kom ntseeg tau tias muaj kev pom zoo rau ntau yam txheej txheem lom neeg.MOPS yog ib qho cuab yeej tseem ceeb hauv kev tshawb fawb txog kev tswj xyuas qhov zoo ib yam thiab zoo pH ib puag ncig hauv ntau yam kev siv.

  • ADA DISODIUM ntsev CAS: 41689-31-0

    ADA DISODIUM ntsev CAS: 41689-31-0

    N-(2-Acetamido) iminodiacetic acid disodium ntsev yog cov tshuaj lom neeg feem ntau siv los ua tus neeg sawv cev chelating.Nws tsim cov khoom ruaj khov nrog cov hlau ions, tshwj xeeb tshaj yog calcium, tooj liab, thiab zinc, tiv thaiv kev tsis sib haum xeeb thiab txhim kho kev ruaj ntseg ntawm ntau yam khoom thiab cov qauv.Nws pom cov ntawv thov hauv kev kho dej, cov khoom tu tus kheej, kev kho mob duab, tshuaj ntsuam chemistry, thiab kev ua liaj ua teb.

  • Glucose-pentaacetate CAS: 604-68-2

    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.

  • CAB CAS: 161308-34-5 Chaw tsim tshuaj paus Nqe

    CAB CAS: 161308-34-5 Chaw tsim tshuaj paus Nqe

    Nws yog feem ntau siv los ua tus neeg sawv cev buffering hauv ntau yam kev siv tshuaj lom neeg thiab biochemical.

    CABS paub txog nws lub peev xwm los tswj cov qib pH ruaj khov hauv cov kev daws teeb meem, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov tshuab buffering hauv kev sim kuaj thiab kev tshawb fawb kho mob.Nws lub peev xwm buffering muaj txiaj ntsig tshwj xeeb hauv pH ntau ntawm 8.6 txog 10. Cov txheej txheem kho mob thiab kuaj mob, xws li kev ua enzyme, electrophoresis, thiab immunohistochemistry, feem ntau siv C.ABS raws li tus neeg sawv cev buffering los tswj pH stability thiab txhim kho cov tshuaj tiv thaiv.

    Nws yog ib qho tseem ceeb kom nco ntsoov tias CABS tuaj yeem nkag siab rau qhov kev hloov pauv kub thiab tej zaum yuav tsis haum rau qee daim ntawv thov uas xav tau qhov kub thiab txias.Tsis tas li ntawd, kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua raws li thaum tuav CABS, vim nws tuaj yeem ua rau tawv nqaij, qhov muag, thiab ua pa.

     

  • Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1

    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.

  • Acetobromo-alpha-D-glucose CAS: 572-09-8

    Acetobromo-alpha-D-glucose CAS: 572-09-8

    Acetobromo-alpha-D-glucose, tseem hu ua 2-acetobromo-D-glucose los yog α-bromoacetobromoglucose, yog cov tshuaj sib xyaw ua ke uas muaj nyob rau hauv chav kawm ntawm bromo-qab zib.Nws yog muab los ntawm cov piam thaj, uas yog cov suab thaj yooj yim thiab ib qho tseem ceeb ntawm lub zog rau cov kab mob nyob.

    Acetobromo-alpha-D-glucose yog ib qho derivative ntawm qabzib uas cov pab pawg hydroxyl ntawm C-1 txoj haujlwm yog hloov los ntawm pawg acetobromo (CH3COBr).Qhov kev hloov kho no qhia txog bromine atom thiab ib pawg acetate rau cov piam thaj molecule, hloov nws cov tshuaj thiab lub cev.

    Cov tshuaj no muaj ntau yam kev siv hauv cov organic synthesis thiab carbohydrate chemistry.Nws tuaj yeem siv los ua lub tsev thaiv rau kev sib txuas ntawm ntau cov qauv, xws li glycosides lossis glycoconjugates.Lub bromine atom tuaj yeem ua qhov chaw reactive rau kev ua haujlwm ntxiv lossis ua ib pab pawg tawm rau kev hloov pauv.

    Tsis tas li ntawd, acetobromo-alpha-D-glucose tuaj yeem ua haujlwm los ua cov khoom pib rau kev npaj cov tshuaj radiolabeled glucose derivatives, uas yog siv rau hauv kev kho mob cov tswv yim xws li positron emission tomography (PET).Cov tshuaj radiolabeled no tso cai rau kev pom thiab ntsuas cov piam thaj metabolism hauv lub cev, pab rau kev kuaj mob thiab saib xyuas ntau yam kab mob, suav nrog mob qog noj ntshav.

     

  • 3-morpholinopropanesulfonic acid hemisodium ntsev CAS: 117961-20-3

    3-morpholinopropanesulfonic acid hemisodium ntsev CAS: 117961-20-3

    3-(N-Morpholino) propanesulfonic acid hemisodium ntsev, tseem hu ua MOPS-Na, yog ib qho zwitterionic tsis feem ntau siv hauv kev tshawb fawb biochemical thiab lom.Nws yog tsim los ntawm lub nplhaib morpholine, propane saw, thiab sulfonic acid pawg.

    MOPS-Na yog qhov tsis zoo rau kev tswj xyuas qhov pH ruaj khov hauv lub cev muaj zog (pH 6.5-7.9).Nws yog feem ntau siv hauv xov tooj ntawm tes kab lis kev cai xov xwm, protein purification thiab characterization, enzyme kev soj ntsuam, thiab DNA / RNA electrophoresis.

    Ib qho ntawm qhov zoo ntawm MOPS-Na raws li qhov tsis yog nws qhov kev nqus UV tsawg, uas ua rau nws tsim nyog rau kev siv spectrophotometric.Nws kuj nthuav tawm qhov cuam tshuam tsawg kawg nrog cov txheej txheem tshuaj ntsuam.

    MOPS-Na yog soluble hauv dej, thiab nws cov solubility yog pH-nyob.Nws yog feem ntau muab los ua cov hmoov nplej los yog cov tshuaj tov, nrog rau daim ntawv ntsev hemisodium feem ntau siv.