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Ceev Violet B Ntshav CAS: 14726-28-4
Cov ntsev Fast Violet B yog cov xim zas uas siv ntau hauv ntau yam kev siv. Nws feem ntau yog siv rau hauv cov chaw kuaj mob histology thiab microbiology ua tus neeg sawv cev rau kev pleev xim kom pom tseeb ntawm cov khoom hauv lub cev. Tsis tas li ntawd, nws muaj cov khoom tua kab mob thiab tau siv yav dhau los ua kev kho mob rau cov kab mob ntawm daim tawv nqaij thiab cov qhov txhab. Cov ntsev Fast Violet B kuj tseem siv ua xim zas hauv kev lag luam xws li textile, luam ntawv, ntawv, thiab kev tsim kua mem..
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4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside CAS: 3459-18-5
4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside yog ib hom tshuaj uas feem ntau siv rau hauv kev tshawb fawb txog biochemical thiab molecular biology. Nws yog ib qho substrate uas feem ntau hu ua pNAG, siv feem ntau hauv kev ntsuam xyuas enzymatic los ntes thiab ntsuas qhov kev ua haujlwm ntawm cov enzymes uas hydrolyze β-D-glucoside bonds.
pNAG tsis muaj xim thiab tsis muaj fluorescent, tab sis thaum hydrolysis los ntawm cov enzymes tshwj xeeb, nws tsim cov khoom daj, p-nitrophenol. Cov yam ntxwv no ua rau pNAG muaj txiaj ntsig zoo rau kev ntes thiab ntsuas qhov kev ua haujlwm ntawm cov enzymes xws li β-glucosidases, uas ua rau muaj kev sib cais ntawm β-D-glucoside bonds.
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AHMT CAS: 1750-12-5 Tus nqi tsim khoom
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol yog ib qho organic compound nrog ib tug molecular formula ntawm C2H6N6S. Nws yog ib tug daj crystalline hmoov thiab kuj paub los ntawm lwm lub npe xws li AHHT, 4-AT, los yog 5-Mercapto-3-aminotetrazole.
Cov tshuaj no muaj peev xwm siv tau rau ntau qhov chaw, suav nrog kev lag luam tshuaj, kev ua liaj ua teb, thiab cov khoom siv chemistry. Nws tuaj yeem siv ua lub hauv paus rau kev tsim cov tshuaj sib xyaw lossis ua cov khoom siv ua ntej rau kev tsim cov molecule tshiab.
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2,4-Dichlorobenzenediazonium tetrafluoroborate CAS: 21872-70-8
2,4-Dichlorobenzenediazonium tetrafluoroborate yog ib yam tshuaj uas muaj ib lub nplhaib benzene txuas nrog ib pawg diazonium functional. Lub nplhaib benzene raug hloov nrog cov chlorine atoms ntawm qhov chaw 2 thiab 4. Cov ntsev tetrafluoroborate raug ntxiv los txhim kho kev ruaj khov thiab kev yaj.
Cov tshuaj no feem ntau siv rau hauv kev tsim cov organic ua tus neeg sawv cev txuas diazonium. Nws tuaj yeem dhau los ntawm diazonium txuas cov tshuaj tiv thaiv nrog ntau yam nucleophilic compounds, xws li amines, phenols, thiab carbon nucleophiles. Cov tshuaj tiv thaiv no ua rau muaj cov tshuaj aromatic, uas tuaj yeem muaj daim ntawv thov hauv cov xim, cov xim, tshuaj, thiab lwm yam khoom organic..
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1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose CAS: 4163-59-1
1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose yog ib yam tshuaj uas yog los ntawm tsev neeg ntawm cov carbohydrates. Nws yog ib qho derivative ntawm alpha-D-galactopyranose, ib qho qab zib uas tshwm sim hauv ntuj. Cov tshuaj tshwj xeeb no muaj tsib pawg acetyl txuas nrog cov pab pawg hydroxyl tshwj xeeb ntawm cov suab thaj molecule. Nws feem ntau siv rau hauv ntau yam kev siv tshuaj lom neeg thiab tshuaj, suav nrog ua cov khoom siv pib rau kev tsim cov tshuaj sib xyaw. Nws daim ntawv acetylated txhim kho nws qhov ruaj khov thiab reactivity, ua rau nws yog ib qho khoom siv hauv kev tsim cov organic chemistry.
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POPSO CAS: 68189-43-5 Tus nqi tsim khoom
POPSO, luv rau Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) sesquisodium ntsev, yog ib yam khoom siv uas feem ntau siv rau hauv kev tshawb fawb txog kab mob thiab biochemical. Nws pab tswj kom pH ruaj khov hauv cov tshuaj, tshwj xeeb tshaj yog nyob rau hauv qhov ntau ntawm physiological pH. PIPES sesquisodium ntsev yog siv rau hauv kev cog qoob loo ntawm tes, protein biochemistry, electrophoresis, molecular biology techniques, drug delivery systems, thiab ntau ntxiv. Nws lub peev xwm los tswj pH ua rau nws yog ib qho cuab yeej muaj txiaj ntsig zoo rau ntau yam kev tshawb fawb thiab kev siv hauv kev lag luam.
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BES CAS: 10191-18-1 Tus nqi tsim khoom
N, N-Bis (hydroxyethyl) -2-aminoethanesulfonic acid, tseem hu ua BES lossis N, N-Bis (2-hydroxyethyl) aminoethanesulfonic acid, yog ib qho tshuaj lom neeg uas feem ntau siv los ua tus neeg sawv cev buffering hauv ntau yam kev tshawb fawb thiab kev lag luam.
BES yog ib qho zwitterionic compound, txhais tau tias nws muaj ob qho tib si zoo thiab tsis zoo hauv nws cov qauv. Cov cuab yeej no tso cai rau nws kom tswj tau pH ruaj khov hauv cov tshuaj.
BES muaj tus nqi pKa ntawm kwv yees li 7.4, ua rau nws tshwj xeeb tshaj yog pab tau rau kev buffering ntawm cov pH physiological. Nws feem ntau siv rau hauv kev sim tshuaj lom neeg thiab biochemical, xws li protein purification, enzyme reactions, thiab cell culture, qhov twg tswj hwm pH tshwj xeeb yog qhov tseem ceeb.
Tsis tas li ntawd xwb, BES siv dav hauv cov txheej txheem electrophoresis, vim nws pab tswj cov pH tsim nyog rau kev sib cais thiab kev tshuaj xyuas cov biomolecules uas tau them, xws li cov protein thiab nucleic acids.
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3-(N,N-dimethyldodecylammonio) propanesulfonate CAS: 14933-08-5
N-(2-Aminoethyl) morpholine, tseem hu ua AEM, yog ib qho tshuaj lom neeg uas muaj cov qauv kab ncaj. Nws muaj ib lub nplhaib morpholine nrog ib pawg aminoethyl txuas rau ib qho ntawm nws cov nitrogen atoms. AEM yog ib qho kua tsis muaj xim nrog ib qho tsw ntxhiab tshwj xeeb.
AEM siv tau rau ntau yam kev lag luam. Nws feem ntau yog siv ua cov kuab tshuaj rau cov organic sib xyaw vim nws cov khoom ua tau zoo heev. Tsis tas li ntawd, AEM ua haujlwm ua cov tshuaj tiv thaiv xeb hauv kev lag luam uas cuam tshuam nrog kev ntxuav hlau, kev tsim roj thiab roj av, thiab kev kho dej. Nws pab tiv thaiv cov hlau kom tsis txhob xeb thiab xeb.
Tsis tas li ntawd xwb, AEM ua haujlwm ua cov tshuaj nruab nrab rau kev tsim cov tshuaj, cov tshuaj agrochemicals, thiab cov tshuaj tshwj xeeb. Nws siv rau hauv cov khoom ntxiv polymer los txhim kho cov khoom nplaum ntawm cov txheej txheem, cov nplaum, thiab cov sealants. AEM kuj tseem siv ua tus kho pH lossis tus neeg sawv cev buffering hauv qee cov txheej txheem kev lag luam.
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MES monohydrate CAS: 145224-94-8
MES monohydrate yog daim ntawv hydrated ntawm 4-Morpholineethanesulfonic acid (MES), ib qho buffering agent feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab biochemical. Nws yog ib qho hmoov dawb crystalline uas yaj tau hauv dej thiab muaj tus nqi pKa nyob ib puag ncig 6.1. MES monohydrate paub txog nws lub peev xwm los tswj kom muaj pH ruaj khov hauv qhov ntau ntawm 5.5 txog 6.7, ua rau nws tsim nyog rau ntau yam kev siv xws li kev tshawb fawb enzyme, protein purification, gel electrophoresis, cell culture, thiab tshuaj lom neeg. Nws qhov kev hloov pauv tau yooj yim thiab kev sib raug zoo nrog cov kab ke hauv lub cev ua rau nws yog ib qho tseem ceeb hauv ntau qhov kev sim thiab cov txheej txheem hauv chaw kuaj mob.
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Alpha-D-Glucose pentaacetate CAS: 3891-59-6
Alpha-D-glucose pentaacetate yog ib qho tshuaj lom neeg uas tau los ntawm kev acetylating cov hydroxyl pawg ntawm alpha-D-glucose nrog tsib acetyl pawg. Nws feem ntau siv rau hauv kev tsim cov organic ua ib pawg tiv thaiv rau cov hydroxyl pawg uas muaj nyob hauv cov carbohydrates. Nws kuj tseem siv tau ua ib qho tshuaj siv rau hauv kev tshawb fawb thiab kev tshuaj ntsuam xyuas tshuaj, thiab ua ib qho khoom siv pib rau kev tsim ntau yam tshuaj. Tsis tas li ntawd, glucose pentaacetate tau raug tshawb nrhiav txog nws qhov kev siv tau hauv cov txheej txheem xa tshuaj, vim nws cov khoom tso tawm tswj tau.
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Tris-HCl CAS: 1185-53-1 Tus nqi tsim khoom
Tris-HCl, tseem hu ua Tris hydrochloride, yog ib qho khoom siv buffer uas siv ntau hauv ntau yam kev siv. Nws yog kev sib xyaw ua ke ntawm Tris (tris (hydroxymethyl) aminomethane) thiab hydrochloric acid. Lub tshuab buffer no ua haujlwm tau zoo hauv kev tswj hwm ib puag ncig pH ruaj khov, tshwj xeeb tshaj yog nyob rau hauv qhov ntau ntawm pH 7-9. Tris-HCl siv dav hauv cov txheej txheem molecular biology, protein biochemistry, enzymology, thiab lwm yam kev siv biochemical. Nws pab tswj hwm qhov zoo tshaj plaws pH uas xav tau rau cov txheej txheem no, ua kom ntseeg tau tias muaj kev ruaj khov thiab kev ua haujlwm ntawm cov protein, enzymes, thiab nucleic acids. Tris-HCl muaj nyob rau hauv ntau hom, xws li hmoov lossis cov tshuaj concentrated, ua rau nws yooj yim los npaj thiab siv hauv ntau qhov chaw kuaj mob.
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N-ethyl-N-(3-sulfopropyl)-M-anisidinesodium CAS:82611-88-9
N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline sodium ntsev yog ib qho tshuaj lom neeg uas muaj ib pawg N-ethyl, ib pawg sulfopropyl, thiab ib pawg 3-methoxyaniline. Nws feem ntau muaj nyob rau hauv ib qho sodium ntsev, uas ua rau nws cov solubility hauv dej zoo dua.
Cov tshuaj no muaj ntau yam kev siv hauv kev lag luam thiab kev tshawb fawb. Nws tuaj yeem siv ua cov xim nruab nrab, catalyst, lossis ua cov tshuaj reagent hauv kev tsim cov organic. Nws cov khoom, xws li solubility, stability, thiab reactivity, ua rau nws haum rau cov ntawv thov tshwj xeeb hauv ntau qhov chaw.
