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MOPS CAS:1132-61-2 Tus nqi tsim khoom
MOPS, los yog 3-(N-morpholino)propanesulfonic acid, yog ib qho zwitterionic buffering agent uas feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab tshuaj lom neeg. Nws feem ntau yog siv los tswj kom muaj pH ruaj khov ntawm 6.5 txog 7.9. MOPS siv dav hauv kev cog qoob loo ntawm tes, cov txheej txheem molecular biology, kev tshuaj xyuas protein, cov tshuaj enzyme, thiab electrophoresis. Nws lub luag haujlwm tseem ceeb yog tswj thiab tswj kom muaj pH ntawm cov tshuaj sim, kom ntseeg tau tias muaj cov xwm txheej zoo tshaj plaws rau ntau yam txheej txheem tsiaj txhu. MOPS yog ib qho cuab yeej muaj txiaj ntsig zoo hauv kev tshawb fawb txog kev tshawb fawb rau kev tswj kom muaj ib puag ncig pH zoo thiab sib xws hauv ntau yam kev siv.
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ADA DISODIUM SALT CAS: 41689-31-0
N-(2-Acetamido)iminodiacetic acid disodium ntsev yog ib qho tshuaj lom neeg uas feem ntau siv ua tus neeg sawv cev chelating. Nws tsim cov tshuaj sib xyaw ruaj khov nrog cov hlau ions, tshwj xeeb tshaj yog calcium, tooj liab, thiab zinc, tiv thaiv kev sib cuam tshuam tsis xav tau thiab txhim kho kev ruaj khov ntawm ntau yam khoom thiab cov qauv. Nws pom cov ntawv thov hauv kev kho dej, cov khoom siv tu tus kheej, kev thaij duab kho mob, kev tshuaj xyuas tshuaj, thiab kev ua liaj ua teb.
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FLUORESCEIN MONO-BETA-D- GALACTOPYRANOSIDE CAS: 102286-67-9
Fluorescein mono-beta-D-galactopyranoside, tseem hu ua FMG, yog ib qho tshuaj fluorescent uas feem ntau siv ua lub substrate hauv ntau yam kev sim biochemical thiab cell biology. Nws yog los ntawm methyl-beta-D-galactopyranoside los ntawm kev sib txuas nws nrog ib qho molecule fluorescein. FMG yog siv dav los kawm txog kev ua haujlwm ntawm beta-galactosidase, ib qho enzyme uas catalyzes lub hydrolysis ntawm lactose rau hauv galactose thiab glucose. Los ntawm kev siv FMG ua ib qho substrate, cov kws tshawb fawb tuaj yeem saib xyuas qhov kev ua haujlwm enzymatic ntawm beta-galactosidase los ntawm kev ntsuas ntawm fluorescence emission. Lub hydrolysis ntawm FMG los ntawm beta-galactosidase ua rau muaj kev tso tawm ntawm fluorescein, ua rau muaj kev nce ntxiv ntawm cov teeb liab fluorescent uas tuaj yeem ntsuas tau. Cov tshuaj no kuj tseem siv los tshawb nrhiav kev paub txog carbohydrate thiab kev sib cuam tshuam. FMG tuaj yeem siv los ua ib qho kev soj ntsuam molecular los kawm txog kev sib txuas ntawm lectins (cov protein uas khi rau carbohydrates) rau galactose-muaj carbohydrates. Qhov kev sib txuas ntawm FMG-lectin complexes tuaj yeem ntes tau thiab ntsuas tau raws li kev hloov pauv ntawm fluorescence emission. Zuag qhia tag nrho, FMG yog ib qho cuab yeej siv tau ntau yam hauv kev kawm txog kev ua haujlwm ntawm enzyme thiab kev paub txog carbohydrate, muab ib txoj hauv kev yooj yim thiab rhiab heev los ntsuas fluorescence thiab soj ntsuam cov txheej txheem biological no.
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CABS CAS: 161308-34-5 Tus nqi tsim khoom
Nws yog feem ntau siv los ua tus neeg sawv cev buffering hauv ntau yam kev siv biological thiab biochemical.
CABS paub txog nws lub peev xwm los tswj kom ruaj khov pH hauv cov tshuaj, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov kab ke buffering hauv kev sim hauv chav kuaj thiab kev tshawb fawb kho mob. Nws lub peev xwm buffering yog qhov tshwj xeeb tshaj yog nyob rau hauv pH ntau ntawm 8.6 txog 10. Cov txheej txheem kho mob thiab kev kuaj mob, xws li cov haujlwm enzyme, electrophoresis, thiab immunohistochemistry, feem ntau siv CABS ua tus neeg sawv cev buffering kom tswj tau pH stability thiab txhim kho kev ua haujlwm ntawm cov tshuaj tiv thaiv.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias CABS tuaj yeem rhiab heev rau qhov kub thiab txias hloov pauv thiab tej zaum yuav tsis haum rau qee qhov kev siv uas xav tau qhov kub thiab txias heev. Tsis tas li ntawd, yuav tsum ua raws li kev ntsuas kev nyab xeeb thaum tuav CABS, vim nws tuaj yeem ua rau khaus rau ntawm daim tawv nqaij, qhov muag, thiab lub cev ua pa.
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![Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1](https://cdn.globalso.com/xindaobiotech/图片943.png)
Sodium 2-[(2-aminoethyl)amino] ethanesulphonate CAS: 34730-59-1
Sodium 2-[(2-aminoethyl)amino] ethanesulphonate yog ib qho tshuaj lom neeg uas feem ntau hu ua taurine sodium. Nws yog ib qho organic compound uas muaj ib lub molecule taurine txuas rau ib lub sodium atom. Taurine nws tus kheej yog ib qho tshuaj zoo li amino acid uas muaj nyob hauv ntau yam tsiaj txhu.
Taurine sodium yog siv dav ua cov khoom noj khoom 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 lub plawv, tswj kev sib npaug ntawm electrolyte, thiab txhawb kev ua haujlwm ntawm lub hlwb.
Hauv lub cev, taurine sodium muaj lub luag haujlwm hauv kev tsim cov kua qaub hauv cov kua tsib, osmoregulation, kev ua haujlwm antioxidant, thiab kev hloov kho ntawm cov neurotransmitter ua haujlwm. Nws kuj ntseeg tias muaj cov khoom tiv thaiv kev o thiab tej zaum yuav pab tiv thaiv qee yam kab mob qhov muag.
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Acetobromo-alpha-D-glucose CAS: 572-09-8
Acetobromo-alpha-D-glucose, tseem hu ua 2-acetobromo-D-glucose lossis α-bromoacetobromoglucose, yog ib qho tshuaj lom neeg uas yog ib feem ntawm bromo-qabzib. Nws yog los ntawm glucose, uas yog ib qho qab zib yooj yim thiab yog qhov tseem ceeb ntawm lub zog rau cov tsiaj txhu.
Acetobromo-alpha-D-glucose yog ib qho derivative ntawm glucose uas pawg hydroxyl ntawm C-1 txoj haujlwm raug hloov los ntawm pawg acetobromo (CH3COBr). Qhov kev hloov kho no qhia txog bromine atom thiab pawg acetate rau hauv glucose molecule, hloov nws cov tshuaj lom neeg thiab lub cev.
Cov tshuaj no muaj ntau yam kev siv hauv kev tsim cov organic thiab cov carbohydrate chemistry. Nws tuaj yeem siv ua lub hauv paus rau kev tsim cov qauv nyuaj dua, xws li glycosides lossis glycoconjugates. Lub atom bromine tuaj yeem ua haujlwm ua qhov chaw reactive rau kev ua haujlwm ntxiv lossis ua pawg tawm rau kev hloov pauv.
Ntxiv mus, acetobromo-alpha-D-glucose tuaj yeem siv ua cov khoom siv pib rau kev npaj cov glucose derivatives radiolabeled, uas yog siv rau hauv cov txheej txheem kho mob xws li positron emission tomography (PET). Cov tshuaj radiolabeled no tso cai rau kev pom thiab ntsuas qhov kev hloov pauv ntawm cov piam thaj hauv lub cev, pab hauv kev kuaj mob thiab saib xyuas ntau yam kab mob, suav nrog mob qog noj ntshav.
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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 buffer uas feem ntau siv rau hauv kev tshawb fawb biochemical thiab biological. Nws muaj ib lub nplhaib morpholine, ib txoj saw propane, thiab ib pawg sulfonic acid.
MOPS-Na yog ib qho buffer zoo rau kev tswj kom muaj pH ruaj khov hauv qhov ntau ntawm physiological (pH 6.5-7.9). Nws feem ntau siv rau hauv cell culture media, protein purification thiab characterization, enzyme assays, thiab DNA/RNA electrophoresis.
Ib qho zoo ntawm MOPS-Na ua ib qho buffer yog nws qhov kev nqus UV tsawg, uas ua rau nws tsim nyog rau kev siv spectrophotometric. Nws kuj tseem muaj kev cuam tshuam tsawg kawg nkaus nrog cov txheej txheem kev sim feem ntau.
MOPS-Na yaj tau hauv dej, thiab nws qhov kev yaj yog nyob ntawm pH. Feem ntau nws yog muab los ua hmoov khov lossis ua kua, nrog rau daim ntawv ntsev hemisodium feem ntau siv.
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HEPES-Na CAS:75277-39-3 Tus nqi tsim khoom
HEPES sodium ntsev, tseem hu ua N-(2-Hydroxyethyl)piperazine-N'-2-ethanesulfonic acid sodium ntsev, yog ib qho zwitterionic buffer uas feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab biochemical. Nws lub luag haujlwm tseem ceeb yog kom tswj tau qib pH ruaj khov hauv ntau yam kev sim. HEPES sodium ntsev yog qhov ua tau ntau yam, ruaj khov, thiab tsis muaj tshuaj lom, ua rau nws haum rau ntau yam kev siv suav nrog kev cog qoob loo ntawm tes, enzyme kinetics, immunoassays, thiab kev sim molecular biology. Nws sib xws nrog ntau cov qauv tsiaj txhu thiab cov kab ke, muab ib puag ncig tswj hwm rau kev tswj hwm pH meej.
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4-Methylumbelliferyl-beta-D-glucopyranoside CAS: 18997-57-4
4-Methylumbelliferyl-beta-D-glucopyranoside yog ib qho substrate uas feem ntau siv rau hauv kev ntsuam xyuas enzymatic los kawm txog kev ua haujlwm ntawm cov enzymes beta-glucosidase. Thaum beta-glucosidase ua haujlwm, nws dhau los ntawm hydrolysis, ua rau muaj kev tso tawm ntawm 4-methylumbelliferone, uas tuaj yeem ntes tau thiab ntsuas tau siv cov fluorescence spectroscopy. Cov tshuaj no yog siv dav hauv cov teb ntawm biochemistry, molecular biology, thiab biotechnology rau kev ntsuam xyuas kev ua haujlwm ntawm enzyme thiab kev tshuaj ntsuam. Nws cov khoom fluorescence ua rau nws muaj kev nkag siab zoo thiab tsim nyog rau cov ntawv thov siab.
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MOPSO sodium ntsev CAS: 79803-73-9
MOPSO sodium ntsev yog ib qho tshuaj sib xyaw ua los ntawm MOPS (3-(N-morpholino)propanesulfonic acid). Nws yog ib qho zwitterionic buffer ntsev, uas txhais tau tias nws muaj ob qho tib si zoo thiab tsis zoo, uas tso cai rau nws kom tswj tau pH ruaj khov hauv ntau yam kev sim tshuaj lom neeg thiab biochemical.
Cov ntsev sodium ntawm MOPSO muaj cov txiaj ntsig xws li kev txhim kho kev yaj hauv cov kua dej, ua rau nws yooj yim dua rau kev tuav thiab npaj. Nws feem ntau siv ua tus neeg sawv cev buffering hauv cov xov xwm kab lis kev cai cell, cov txheej txheem molecular biology, kev tshuaj xyuas protein, thiab cov tshuaj tiv thaiv enzyme.
MOPSO sodium ntsev pab tswj cov pH ntawm cov khoom noj khoom haus loj hlob hauv cov kab lis kev cai cell, muab ib puag ncig ruaj khov rau kev loj hlob thiab kev ua haujlwm ntawm cell. Hauv cov txheej txheem molecular biology, nws ua kom cov pH ntawm cov tshuaj sib xyaw thiab cov buffers khiav ruaj khov, ua kom ntseeg tau tias muaj qhov tseeb thiab txhim khu kev qha hauv DNA thiab RNA cais, PCR, thiab gel electrophoresis.
Nws kuj tseem siv rau hauv kev tshuaj xyuas cov protein, ua haujlwm ua tus neeg sawv cev buffering thaum lub sijhawm protein purification, quantification, thiab electrophoresis. MOPSO sodium ntsev ua kom muaj pH zoo tshaj plaws rau kev ruaj khov thiab kev ua haujlwm ntawm cov txheej txheem no.
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Ada Monosodium CAS: 7415-22-7
N-(2-Acetamido) iminodiacetic acid monosodium ntsev, tseem hu ua sodium iminodiacetate lossis sodium IDA, yog ib qho tshuaj lom neeg uas feem ntau siv ua tus neeg sawv cev chelating thiab buffering hauv ntau yam lag luam thiab kev siv scientific.
Nws cov qauv tshuaj muaj cov tshuaj iminodiacetic acid molecule nrog ib pawg acetamido functional txuas rau ib qho ntawm cov nitrogen atoms. Cov ntsev monosodium ntawm cov tshuaj no ua rau nws yaj tau zoo dua thiab ruaj khov dua hauv cov kua dej.
Ua ib tug neeg sawv cev chelating, sodium iminodiacetate muaj kev sib raug zoo heev rau cov hlau ions, tshwj xeeb tshaj yog calcium, thiab tuaj yeem cais thiab khi lawv, tiv thaiv cov tshuaj tiv thaiv lossis kev sib cuam tshuam tsis xav tau. Cov yam ntxwv no ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv, suav nrog chemistry, biochemistry, pharmacology, thiab cov txheej txheem tsim khoom.
Ntxiv rau nws cov peev xwm chelation, sodium iminodiacetate kuj ua haujlwm ua tus neeg sawv cev buffering, pab tswj cov pH xav tau ntawm cov tshuaj los ntawm kev tiv thaiv kev hloov pauv hauv acidity lossis alkalinity. Qhov no ua rau nws muaj txiaj ntsig zoo rau ntau yam kev tshuaj xyuas thiab kev sim tshuaj lom neeg uas xav tau kev tswj pH kom meej.
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Glucose-pentaacetate CAS: 604-68-2
Glucose pentaacetate, tseem hu ua beta-D-glucose pentaacetate, yog ib yam tshuaj uas tau los ntawm glucose. Nws yog tsim los ntawm acetylating tsib pawg hydroxyl uas muaj nyob hauv glucose nrog acetic anhydride, ua rau muaj tsib pawg acetyl txuas. Hom acetylated glucose no siv tau rau ntau yam tshuaj lom neeg ua cov khoom siv pib, pawg tiv thaiv, lossis ua tus nqa khoom rau kev tso tshuaj tswj. Nws kuj tseem siv rau hauv kev tshawb fawb thiab kev tshuaj xyuas tshuaj lom neeg.
