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Dodecyl trimethyl ammonium bromide CAS: 1119-94-4
Dodecyl trimethyl ammonium bromide, tseem hu ua DTAB lossis DTB, yog ib qho quaternary ammonium compound uas feem ntau siv ua surfactant lossis detergent. Nws yog ib qho hmoov dawb, khov uas yaj tau hauv dej.
DTAB feem ntau siv rau hauv ntau yam lag luam thiab daim ntawv thov, suav nrog cov khoom siv tu tus kheej, tshuaj, thiab chaw soj ntsuam. Nws tuaj yeem ua haujlwm ua tus neeg ntxuav, emulsifier, tus neeg sawv cev ua npuas ncauj, lossis tus neeg sawv cev ntub dej.
Hauv cov khoom siv tu cev, DTAB tuaj yeem pom muaj nyob rau hauv cov tshuaj zawv plaub hau, tshuaj pleev plaub hau, xab npum, thiab tshuaj ntxuav lub cev. Nws pab tsim kom muaj npuas, ua kom cov khoom ruaj khov, thiab txhim kho kev nthuav dav ntawm cov mis.
Hauv cov tshuaj, DTAB siv rau hauv kev tsim ntau yam kev xa tshuaj, suav nrog microemulsions, nanoemulsions, thiab liposomes. Nws pab txhawb kev yaj tshuaj thiab kev ruaj khov, txhim kho kev nqus tshuaj thiab kev ua haujlwm zoo.
Hauv cov chaw soj ntsuam tshawb fawb, DTAB feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab tshuaj lom neeg. Nws tuaj yeem siv rau kev rho tawm thiab ntxuav cov protein membrane, kev rho tawm DNA, thiab cov txheej txheem xa cov noob caj noob ces.
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PMSF CAS: 329-98-6 Tus nqi tsim khoom
Phenylmethylsulfonyl fluoride, tseem hu ua PMSF, yog ib hom tshuaj uas feem ntau siv los ua serine protease inhibitor. Nws yog ib qho tshuaj uas ua haujlwm tau zoo thiab muaj zog uas ua haujlwm los ntawm kev khi thiab hloov kho qhov chaw ua haujlwm ntawm serine proteases, tiv thaiv lawv cov haujlwm enzymatic. PMSF muaj txiaj ntsig zoo hauv kev tshawb fawb biochemical thiab molecular biology rau kev kawm txog kev ntxuav protein, kev sib cuam tshuam ntawm protein-protein, thiab proteolysis. Nws feem ntau siv los tiv thaiv cov protein los ntawm kev puas tsuaj thaum lub sijhawm ntxuav thiab los tiv thaiv kev ua haujlwm ntawm protease hauv cell lysates thiab extracts.
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Ethylenediaminetetraacetic acid dipotassium ntsev dihydrate CAS: 25102-12-9
Ethylenediaminetetraacetic acid dipotassium ntsev dihydrate, tseem hu ua EDTA Dipotassium, yog ib qho tshuaj lom neeg uas muaj cov mis molecular K2(C10H14N2O8)·2H2O. Nws yog ib qho hmoov crystalline uas feem ntau siv ua tus neeg sawv cev chelating, txhais tau tias nws tuaj yeem khi rau cov hlau ions. EDTA Dipotassium paub txog nws lub peev xwm los cais lossis tshem tawm cov hlau ions ntawm cov tshuaj, ua rau nws muaj txiaj ntsig zoo hauv ntau yam txheej txheem kev lag luam, xws li kev kho dej, kev ua zaub mov thiab dej haus, thiab cov tshuaj tsim. Nws kuj tseem siv rau hauv kev tshuaj xyuas tshuaj thiab kev kho mob rau nws cov khoom siv hlau chelation.
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Ethylenediaminetetraacetic acid tripotassium ntsev dihydrate CAS: 65501-24-8
Ethylenediaminetetraacetic acid tripotassium ntsev dihydrate, tseem hu ua EDTA Tripotassium, yog ib qho tshuaj uas muaj peb lub potassium ions (K+) ib lub molecule, nrog rau ob lub molecule dej (H2O). EDTA Tripotassium yog ib qho derivative ntawm ethylenediaminetetraacetic acid (EDTA) thiab muaj cov yam ntxwv thiab kev siv zoo sib xws.
EDTA Tripotassium feem ntau yog siv ua tus neeg sawv cev chelating, txhais tau tias nws muaj peev xwm khi rau cov hlau ions thiab tsim cov khoom ruaj khov. Nws feem ntau siv los tshem tawm cov hlau ions tsis xav tau los ntawm cov tshuaj, tshwj xeeb tshaj yog calcium, magnesium, thiab lwm yam hlau ions hnyav. Los ntawm kev cais cov ions no, EDTA Tripotassium tuaj yeem tiv thaiv lawv cov kev cuam tshuam lossis cov teebmeem tsis zoo hauv ntau yam txheej txheem tshuaj lom neeg thiab cov tshuaj tiv thaiv.
Ntxiv rau nws cov khoom chelating, EDTA Tripotassium kuj pom cov ntawv thov hauv ntau yam lag luam. Nws feem ntau siv rau hauv kev kho dej kom tshem tawm cov hlau hnyav ions ntawm cov dej, ua kom muaj kev nyab xeeb thiab zoo ntawm dej. Nws kuj tseem tuaj yeem pom hauv kev lag luam khoom noj thiab dej haus ua tus stabilizer thiab preservative, tiv thaiv oxidation thiab tswj qhov zoo ntawm cov khoom noj ua tiav. Ntxiv mus, EDTA Tripotassium ua lub luag haujlwm hauv cov tshuaj formulations, analytical chemistry, thiab ua cov ntaub ntawv siv tus qauv.
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Fluorescein Isothiocyante CAS: 3326-32-7
Fluorescein isothiocyanate (FITC) yog ib hom xim fluorescent uas feem ntau siv rau hauv kev tshawb fawb txog kev kho mob thiab kev kuaj mob. Nws yog ib qho derivative ntawm fluorescein uas tau hloov kho kom muaj ib pawg isothiocyanate, uas tso cai rau nws los khi cov protein, cov tshuaj tua kab mob, thiab lwm yam biomolecules.
FITC tso tawm cov teeb ci ntsa iab ntsuab thaum raug lub teeb ntawm qhov wavelength tsim nyog, feem ntau nyob ib ncig ntawm 488 nm. Cov teeb ci no tuaj yeem ntes tau thiab ntsuas tau los ntawm ntau txoj kev siv duab, xws li fluorescence microscopy, flow cytometry, thiab fluorescence spectroscopy.
Los ntawm kev sib txuas FITC rau cov biomolecules uas xav tau, cov kws tshawb fawb tuaj yeem taug qab thiab pom qhov kev faib tawm, qhov chaw, thiab kev sib cuam tshuam ntawm cov biomolecules no hauv cov cell, cov ntaub so ntswg, lossis cov qauv tshuaj lom neeg. Piv txwv li, cov tshuaj tiv thaiv kab mob FITC-labeled antibodies tuaj yeem siv los ntes cov protein lossis antigens tshwj xeeb hauv kev ntsuam xyuas immunofluorescence lossis los tshuaj xyuas cov pej xeem cell hauv kev sim flow cytometry.
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GSH CAS: 70-18-8 Tus nqi tsim khoom
GSH, lossis glutathione, yog ib qho tshuaj antioxidant ntuj uas pom muaj nyob hauv lub cev. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj hwm kev ua haujlwm ntawm lub hlwb zoo tshaj plaws thiab koom nrog ntau yam txheej txheem tseem ceeb ntawm lub cev. GSH pab tiv thaiv cov hlwb ntawm kev puas tsuaj oxidative los ntawm kev ua kom cov dawb radicals tsis zoo thiab cov tshuaj reactive oxygen tsis zoo. Nws kuj pab hauv cov txheej txheem detoxification los ntawm kev khi thiab tshem tawm cov tshuaj lom thiab cov hlau hnyav ntawm lub cev.
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BCA-2Na CAS: 979-88-4 Tus nqi tsim khoom
BCA-2Na, tseem hu ua Bacillus cereus adenosine triphosphate (ATP) bioluminescent assay, yog kev kuaj biochemical siv los ntes qhov muaj ATP hauv cov qauv. ATP yog ib qho molecule pom muaj nyob rau hauv txhua yam tsiaj txhu thiab feem ntau siv los ua qhov qhia txog kev ua qias tuaj ntawm cov kab mob lossis kev huv. Kev kuaj BCA-2Na siv cov enzyme luciferase los ua kom muaj kev cuam tshuam uas tsim lub teeb nyob rau hauv qhov muaj ATP. Qhov muaj zog ntawm lub teeb tawm yog ntsuas thiab tuaj yeem muab kev ntsuam xyuas sai thiab rhiab heev ntawm kev ua haujlwm ntawm cov kab mob lossis kev huv hauv ntau yam lag luam, xws li kev tsim khoom noj thiab dej haus, kev tsim tshuaj, thiab kev kuaj dej zoo. Kev kuaj BCA-2Na feem ntau yog siv los ua txoj hauv kev ceev thiab txhim khu kev qha rau kev saib xyuas kev huv thiab kev tswj xyuas zoo.
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GSSG CAS: 27025-41-8 Tus nqi tsim khoom
GSSG, tseem hu ua oxidized glutathione, yog daim ntawv disulfide ntawm antioxidant glutathione (GSH). Thaum GSH yog daim ntawv txo qis thiab nquag, GSSG yog daim ntawv oxidized thiab tsis nquag. GSSG yog tsim thaum GSH pub nws cov electrons los neutralize cov free radicals lossis lwm yam reactive hom. Qhov kev hloov pauv no pab tiv thaiv lub cev tiv thaiv kev puas tsuaj oxidative. GSSG tuaj yeem hloov rov qab mus rau GSH los ntawm kev siv cov txheej txheem rov ua dua tshiab uas muaj cov enzyme glutathione reductase. Kev saib xyuas qhov piv ntawm GSH rau GSSG hauv lub cev yog qhov pab tau rau kev ntsuam xyuas cov xwm txheej antioxidant thiab kev noj qab haus huv tag nrho.
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BCIP Na) 5-Bromo-4-chloro-3-indolyl phosphate disodium ntsev CAS: 102185-33-1
5-Bromo-4-chloro-3-indolyl phosphate disodium ntsev yog ib qho tshuaj sib xyaw ua ke uas feem ntau siv rau hauv kev tshawb fawb biochemical ua ib qho chromogenic substrate rau kev ntes cov haujlwm ntawm alkaline phosphatase enzymes. Nws feem ntau hu ua BCIP rau luv.
Thaum alkaline phosphatase ua haujlwm rau BCIP, nws txiav cov pawg phosphate tawm, ua rau muaj cov dej xiav-ntshav. Qhov kev hloov xim no tso cai rau cov kws tshawb fawb pom thiab ntsuas qhov muaj alkaline phosphatase hauv cov qauv.
BCIP feem ntau siv rau hauv ntau yam kev siv, suav nrog immunohistochemistry, protein thiab nucleic acid blotting techniques, thiab enzyme-linked immunosorbent assays (ELISAs)..
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Iodoacetamide CAS: 144-48-9 Tus nqi tsim khoom
Iodoacetamide yog ib qho tshuaj lom neeg uas feem ntau siv rau hauv kev tshawb fawb txog biochemistry thiab molecular biology. Nws yog ib qho thiol-reactive compound uas hloov kho cov cysteine residues hauv cov protein los ntawm kev tsim covalent bond. Qhov kev hloov kho no feem ntau siv rau hauv cov txheej txheem tshuaj xyuas protein los thaiv cysteine residues, xws li hauv kev tshawb fawb proteomics qhov twg nws yog siv los xaiv daim ntawv lo thiab thaiv cysteine residues ua ntej kev zom protein thiab kev tshuaj xyuas spectrometry mass. Iodoacetamide kuj tseem siv rau hauv kev tshawb fawb txog cov qauv protein thiab hauv kev tsim cov peptides uas muaj daim ntawv lo..
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BCIP-Toluidine)5-Bromo-4-chloro-3-indolylphosphate-p-toluidine ntsev CAS: 6578-06-9
5-Bromo-4-chloro-3-indolyl phosphate p-toluidine ntsev yog ib qho tshuaj lom neeg uas feem ntau siv rau hauv kev tshawb fawb txog molecular biology thiab biochemistry. Nws feem ntau siv rau hauv enzyme-linked immunosorbent assays (ELISA) thiab cov txheej txheem cim protein.
Cov tshuaj no yog ib qho substrate rau alkaline phosphatase, ib qho enzyme siv dav hauv molecular biology rau kev ntes qhov muaj cov molecules lossis cov protein tshwj xeeb los ntawm kev siv colorimetric lossis chemiluminescent reactions.
Thaum cov alkaline phosphatase enzyme muaj nyob, nws txiav cov phosphate pawg ntawm 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine ntsev, ua rau muaj cov xim xiav lossis ntshav. Qhov kev hloov xim no tuaj yeem pom thiab ntsuas tau yooj yim, ua rau ntsuas tau qhov ua haujlwm ntawm enzyme lossis qhov muaj cov molecule tsom.
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N,N-Dimethyl-1,4-phenylenediamine dihydrochloride CAS: 536-46-9
N,N-Dimethyl-1,4-phenylenediamine dihydrochloride yog ib qho tshuaj lom neeg uas feem ntau hu ua DMPD dihydrochloride. Nws yog ib qho khoom khov, crystalline uas yaj tau hauv dej thiab lwm cov kuab tshuaj polar.
DMPD dihydrochloride feem ntau siv rau hauv ntau yam tshuaj lom neeg thiab cov txheej txheem, suav nrog kev ua kom oxidation thiab txo qis. Nws tuaj yeem ua haujlwm ua qhov chaw ntawm cov electrons lossis ua tus txais electron, ua rau nws muaj txiaj ntsig zoo hauv kev tsim cov xim, tshuaj, thiab lwm yam organic compounds.
Ntxiv rau nws cov tshuaj tiv thaiv, DMPD dihydrochloride paub txog nws cov khoom txo qis muaj zog. Nws tuaj yeem siv ua cov tshuaj reductant hauv cov txheej txheem tshuaj ntsuam xyuas, xws li spectrophotometry, qhov twg nws pab ntsuas qhov concentration ntawm qee yam tshuaj.
