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4-Fluoro-7-nitrobenzofurazan CAS: 29270-56-2
4-Fluoro-7-nitrobenzofurazan yog ib qho tshuaj lom neeg uas muaj cov mis molecular C6H2FN3O3. Nws yog ib qho khoom daj crystalline uas feem ntau siv ua reagent hauv ntau yam tshuaj lom neeg. 4-Fluoro-7-nitrobenzofurazan paub txog nws lub peev xwm los ua tshuaj nrog cov amines thawj zaug, tsim cov fluorescent derivatives uas tuaj yeem pab tau rau hauv kev siv analytical xws li protein labeling thiab amino acid analysis. Nws kuj tseem siv rau hauv kev tshawb fawb txog enzyme kinetics thiab kev txiav txim siab ntawm nucleic acid sequences.
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5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium ntsev CAS: 18656-96-7
5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium ntsev, tseem hu ua X-glucuronide, yog ib qho tshuaj lom neeg uas feem ntau siv rau hauv kev sim molecular biology thiab enzymology. Nws yog ib qho chromogenic substrate uas feem ntau siv los ntes cov haujlwm ntawm cov enzyme beta-D-glucuronidase.
Cov tshuaj no muaj ib pawg indole uas txuas nrog rau ib qho glucuronic acid moiety los ntawm kev sib txuas glycosidic. Cov bromo thiab chloro substituents muab kev ruaj khov thiab txhim kho qhov solubility ntawm cov tshuaj.
Thaum muab cov qauv uas muaj beta-D-glucuronidase sib xyaw ua ke, cov enzyme yuav txiav cov glycosidic bond, thiab tso cov indole moiety tawm. Qhov kev tshuaj tiv thaiv no ua rau muaj cov dej xiav lossis hloov xim, ua rau pom tau yooj yim lossis pom tau cov haujlwm ntawm cov enzyme.
Vim nws qhov tshwj xeeb rau beta-D-glucuronidase, X-glucuronide yog siv dav hauv cov txheej txheem molecular biology xws li kev ntsuam xyuas cov kab mob thiab cov poov xab hloov pauv, kev ntsuam xyuas cov noob caj noob ces, thiab kev pleev xim histochemical. Nws muab ib txoj hauv kev yooj yim thiab rhiab heev los ntes qhov muaj lossis kev qhia tawm ntawm beta-D-glucuronidase thiab feem ntau siv ua ke nrog lwm cov kev ntsuam xyuas caj ces lossis biochemical.
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8-Anilino-1-naphthalenesulfonic acid CAS: 82-76-8
8-Anilino-1-naphthalenesulfonic acid, tseem hu ua ANS, yog ib hom xim fluorescent uas feem ntau siv rau hauv kev tshawb fawb biochemical thiab biophysical. Nws yog ib hom organic compounds uas hu ua aniline-based sulfonic acids. ANS paub txog nws lub peev xwm los khi rau cov cheeb tsam hydrophobic lossis cov chaw hydrophobic uas raug rau hauv cov protein thiab lwm yam biomolecules.
ANS fluoresces thaum nws khi rau thaj chaw hydrophobic, ua rau nws yog ib qho kev soj ntsuam zoo rau kev kawm txog kev hloov pauv ntawm cov protein, kev sib cuam tshuam ntawm cov protein-protein, thiab cov txheej txheem folding/unfolding ntawm cov protein. Kev khi ntawm ANS rau thaj chaw hydrophobic ua rau muaj kev hloov pauv xiav hauv cov spectrum emission, uas tuaj yeem saib xyuas siv fluorescence spectroscopy.
ANS feem ntau siv rau hauv ntau yam kev tshawb fawb, suav nrog fluorescence polarization, fluorescence resonance energy transfer (FRET), thiab thermal stability assays. Nws tau siv los kawm txog cov qauv thiab kev ruaj khov ntawm cov protein, kev sib cuam tshuam ntawm cov protein-ligand, thiab cov txheej txheem sib sau ua ke ntawm cov protein.
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CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM SALT CAS: 99792-50-4
CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM SALT yog ib hom tshuaj uas feem ntau siv hauv kev sim hauv chav kuaj kom pom tias muaj cov enzymes uas tuaj yeem rhuav cov lactose, xws li beta-galactosidase. Nws yog ib hom hmoov tsis muaj xim rau daj daj uas hloov liab thaum muaj cov enzymes no, ua rau nws yog ib qho cim qhia txog lawv cov haujlwm. Cov ntsev sodium ntawm cov tshuaj no ua rau nws cov solubility hauv cov kua dej, ua rau nws yooj yim npaj thiab siv rau hauv ntau yam kev sim enzymatic.
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Tert-Butylamine CAS 75-64-9 - Kev Zoo Txhim Khu Kev Rau Cov Ntawv Thov Siab
Tert-Butylamine (CAS 75-64-9) sawv tawm rau nws qhov kev ntshiab siab, kev ua tau zoo tas li, thiab kev ruaj khov tshuaj zoo heev. Cov aliphatic amine no muaj txiaj ntsig zoo rau nws qhov kev yaj zoo kawg thiab kev sib haum xeeb hauv ntau yam lag luam. Cov txiaj ntsig tseem ceeb suav nrog nws qhov ua tau zoo ua lub hauv paus hauv kev tsim cov organic, nruab nrab hauv kev tshuaj, thiab accelerator hauv kev ua roj hmab. Tert-Butylamine kuj pom qhov tseem ceeb hauv agrochemicals thiab ua tus tiv thaiv xeb hauv cov roj nplua nyeem. Kev xaiv peb cov khoom txhais tau tias ua haujlwm nrog cov kws tshaj lij uas muab qhov tseem ceeb rau kev tswj hwm zoo thiab cov kev daws teeb meem rau cov neeg siv khoom, kom ntseeg tau tias koj tau txais kev pabcuam txhim khu kev qha, raws sijhawm nrog kev txhawb nqa kev tshaj lij. Xav tau kev ua haujlwm siab tshaj plaws rau koj qhov project tom ntej? Hu rau tam sim no thiab cia peb tham txog koj cov kev xav tau!
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Neocuproine CAS 484-11-7 - Precision Ligand rau Kev Tshawb Fawb Qib Siab
Neocuproine (CAS 484-11-7) sawv tawm ua tus neeg sawv cev chelating siab, tshwj xeeb uas paub txog nws qhov kev xaiv tshwj xeeb rau cov ions tooj liab (I). Nws qhov kev ruaj khov tshuaj lom neeg thiab cov qauv crystalline zoo ua rau nws yog qhov kev xaiv nyiam hauv ob qho tib si kev kawm thiab kev lag luam. Cov txiaj ntsig tseem ceeb suav nrog nws qhov kev ua tau zoo hauv kev tshawb fawb spectroscopic, kev tshawb fawb bioinorganic, thiab catalysis, nrog rau nws qhov sib xws nrog ntau yam kev siv analytical thiab synthetic. Neocuproine qhov kev ua tau zoo tau ua rau kev tsim cov txheej txheem nrhiav pom kev rhiab heev thiab cov khoom siv tshiab hauv kev tshawb fawb tshuaj lom neeg thiab biochemical. Kev xaiv peb ua kom koj tau txais kev kuaj xyuas zoo, kev nrhiav tau pob tshab, thiab kev txhawb nqa kev tshaj lij uas tsim rau koj cov kev xav tau tshwj xeeb. Yog tias koj xav paub txog Neocuproine tuaj yeem txhim kho koj qhov project li cas, tsis txhob yig tiv tauj - koj qhov kev tshawb fawb tom ntej tuaj yeem pib ntawm no. Tiv tauj kuv hnub no los tham txog koj cov kev xav tau lossis thov kom muaj tus nqi!
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Tapso Sodium CAS: 105140-25-8 Tus nqi tsim khoom
3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid,Nws kuvtus neeg sawv cev zwitterionic buffering hauv daim ntawv ntawm cov ntsev sodium. Nws feem ntau siv rau hauv kev sim biochemical thiab molecular biology rau kev tswj hwm pH ruaj khov hauv cov tshuaj.It Nws yaj tau zoo heev hauv dej thiab muaj pKa ze rau physiological pH, ua rau nws haum rau ntau yam kev siv xws li protein purification, enzyme assays, cell culture, thiab electrophoresis. Nws cov qauv tshuaj lom neeg tshwj xeeb thiab kev sib raug zoo nrog cov kab ke hauv lub cev ua rau nws yog ib qho tseem ceeb hauv ntau yam kev cai hauv chav kuaj mob.
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4-Nitrophenyl phosphate di(tris) ntsev CAS:68189-42-4
4-Nitrophenyl phosphate di(tris) ntsev yog ib yam tshuaj siv hauv kev tshawb fawb thiab kev kuaj mob biochemical. Nws feem ntau siv ua lub substrate rau alkaline phosphatase enzyme assays. Cov ntsev no, thaum hydrolyzed los ntawm alkaline phosphatase, tsim cov khoom daj uas tuaj yeem ntsuas tau yooj yim spectrophotometrically. Cov tshuaj tiv thaiv no siv dav hauv ntau yam kev siv, suav nrog enzyme-linked immunosorbent assays (ELISAs) thiab phosphatase kev ua haujlwm nrhiav. Qhov xim daj yog ncaj qha proportional rau enzyme kev ua haujlwm, tso cai rau kev ntsuas qhov tseeb ntawm alkaline phosphatase theem hauv cov qauv biological. 4-Nitrophenyl phosphate di(tris) ntsev yog ruaj khov, yaj hauv dej, thiab rhiab heev, ua rau nws yog qhov kev xaiv nrov rau enzyme assays hauv kev tshawb fawb biological thiab kev kho mob.
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Nitrotetrazolium xiav chloride CAS: 298-83-9
Nitortrazolium xiav chloride, tseem hu ua NBT lossis NBT-Cl, yog ib qho tshuaj lom neeg uas feem ntau siv rau hauv kev kuaj mob biological thiab biochemical. Nws yog ib qho hmoov daj daj crystalline uas yaj tau hauv dej.
NBT feem ntau siv ua ib qho cim qhia kom paub txog qhov muaj cov superoxide radicals lossis cov enzymes uas tsim lawv. Nws hloov xim thaum raug txo los ntawm cov superoxide radicals, hloov los ntawm daj mus rau xiav formazan precipitate. Cov tshuaj tiv thaiv no feem ntau siv rau hauv kev sim los kawm txog kev ntxhov siab oxidative, kev ua pa ntawm tes, thiab kev ua haujlwm ntawm enzyme.
NBT feem ntau siv rau hauv ntau txoj kev, xws li kev txo qis nitroblue tetrazolium, los pom cov superoxide tsim tawm hauv cov hlwb thiab cov nqaij. Nws kuj tau siv rau hauv immunohistochemistry thiab histochemistry los ntes thiab nrhiav lwm cov enzymes thiab cov khoom hauv hlwb.
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NSP-AS CAS: 211106-69-3 Tus nqi tsim khoom
Cov tshuaj 3-[9-((((3-(carboxypropyl)[4-Methxylphenyl]sulfonyl)aMine)carboxyl]-10-acridiniuMyl)-1-propanesulfonate sab hauv ntsev yog ib qho molecule complex uas muaj ib qho acridinium moiety txuas nrog ib qho propanesulfonate sab hauv ntsev. Nws muaj ib pawg carboxypropyl, ib pawg 4-Methxylphenylsulfonyl, thiab ib pawg amine. Cov tshuaj no yuav raug tsim los rau cov ntawv thov tshwj xeeb hauv cov cheeb tsam xws li chemistry, pharmaceuticals, lossis kev tshawb fawb.
Tsis tas li ntawd xwb, NAC tau qhia txog kev cog lus hauv kev txhawb nqa kev noj qab haus huv ntawm lub siab los ntawm kev pab tshem tawm cov tshuaj lom, xws li acetaminophen, uas yog ib yam tshuaj uas siv ntau rau kev mob. Nws kuj tseem yuav muaj cov txiaj ntsig tiv thaiv kev puas tsuaj ntawm lub siab los ntawm kev haus cawv.
Ntxiv rau nws cov khoom siv antioxidant thiab kev txhawb nqa kev ua pa, NAC tau raug tshawb nrhiav txog nws cov txiaj ntsig zoo rau kev noj qab haus huv ntawm lub hlwb. Qee qhov kev tshawb fawb qhia tias nws yuav muaj qhov cuam tshuam zoo rau kev mob hlwb, xws li kev nyuaj siab thiab kev puas siab puas ntsws obsessive-compulsive (OCD).
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L-Leucine p-nitroanilide hydrochloride CAS: 16010-98-3
L-Leucine p-nitroanilide hydrochloride yog ib qho tshuaj lom neeg uas yog ib feem ntawm pawg p-nitroanilide derivatives. Nws yog ib qho hmoov dawb mus rau dawb-dawb crystalline uas feem ntau siv rau hauv kev tshawb fawb biochemical thiab kev ntsuam xyuas enzyme.
L-Leucine p-nitroanilide hydrochloride feem ntau siv ua ib qho substrate los ntsuas qhov kev ua haujlwm ntawm cov enzymes xws li proteases thiab peptidases. Thaum cov enzymes no txiav L-Leucine p-nitroanilide hydrochloride, nws tso tawm p-nitroaniline, uas tuaj yeem kuaj pom spectrophotometrically. Tus nqi ntawm kev hloov xim yog ncaj qha proportional rau qhov kev ua haujlwm enzymatic, uas tso cai rau kev ntsuas ntawm qhov kev ua haujlwm enzyme hauv cov qauv biological.
Cov tshuaj no yaj tau hauv dej thiab yooj yim yaj rau hauv cov tshuaj buffer uas tsim nyog rau kev siv hauv kev ntsuam xyuas enzymatic. Nws yog ib qho tseem ceeb kom khaws cia L-Leucine p-nitroanilide hydrochloride rau hauv qhov chaw txias thiab qhuav kom tswj tau nws qhov ruaj khov.
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Guanidine Thiocyanate Sulfate CAS: 593-84-0
Guanidine thiocyanate sulfate yog ib qho tshuaj sib xyaw ua los ntawm guanidine, thiocyanate, thiab sulfate ions. Nws feem ntau siv rau hauv kev tshawb fawb txog molecular biology thiab biochemistry ua tus neeg sawv cev chaotropic.
Guanidine thiocyanate sulfate feem ntau siv rau hauv cov txheej txheem cais DNA thiab RNA los cuam tshuam cov cellular membranes thiab denature protein, uas ua rau muaj kev rho tawm zoo ntawm nucleic acids. Nws pab hauv kev yaj ntawm DNA thiab RNA, ua rau lawv cais thiab ntxuav los ntawm ntau yam qauv tshuaj lom neeg.
Vim nws cov khoom chaotropic, guanidine thiocyanate sulfate pab rhuav tshem hydrogen bonding thiab lwm yam kev sib cuam tshuam tsis yog-covalent, pab txhawb kev sib cais ntawm nucleic acids los ntawm cov protein, lipids, thiab lwm yam khoom ntawm tes. Nws kuj pab tiv thaiv RNase kev ua haujlwm, xyuas kom meej tias muaj kev ncaj ncees thiab kev ntshiab ntawm cov nucleic acids uas tau rho tawm..
