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BCIP-Toluidine)5-Bromo-4-chloro-3-indolylphosphate-p-toluidine ntsev CAS: 6578-06-9
BCIP-Toluidine, tseem hu ua 5-Bromo-4-chloro-3-indolylphosphate-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 yog siv ua lub substrate hauv enzyme-linked immunosorbent assays (ELISAs) lossis immunohistochemical staining techniques los ntes alkaline phosphatase kev ua haujlwm.
Thaum BCIP-Toluidine raug alkaline phosphatase txiav, nws dhau los ua qhov kev hloov pauv xim, tsim cov xim xiav-ntshav. Qhov kev tshuaj tiv thaiv no tso cai rau kev pom thiab kev ntsuas ntawm alkaline phosphatase kev ua ub no hauv cov qauv. Qhov muaj zog ntawm cov xim tuaj yeem ntsuas spectrophotometrically thiab yog ncaj qha proportional rau qhov kev ua ub no ntawm enzyme.
Kev siv BCIP-Toluidine ua ib qho substrate yog qhov tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas muaj DNA lossis RNA labeling, xws li in situ hybridization (ISH) lossis Southern thiab Northern blotting. Nws muab ib txoj kev txhim khu kev qha thiab rhiab heev rau kev ntes qhov muaj cov nucleic acids hauv cov qauv.
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3-Aminophthalhydrazide CAS: 521-31-3
3-Aminophthalhydrazide yog ib qho tshuaj sib xyaw nrog cov mis molecular C8H8N2O. Nws yog hu ua aminohydrazide derivative ntawm phthalic acid. Cov tshuaj no muaj cov phthalic acid backbone nrog ob lub hydrogen atoms hloov los ntawm ib pawg amino thiab ib pawg hydrazine.
3-Aminophthalhydrazide muaj ntau yam kev siv hauv kev lag luam organic chemistry thiab tshuaj. Nws tuaj yeem siv ua cov khoom siv pib hauv kev tsim ntau yam tshuaj thiab cov xim pleev xim. Tsis tas li ntawd, nws feem ntau siv rau hauv kev npaj Schiff bases, uas yog cov khoom siv tseem ceeb hauv kev tsim cov organic.
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4-Aminoantipyrine CAS: 83-07-8
4-Aminoantipyrine, tseem hu ua aminoantipyrine lossis aminopyrine, yog ib qho tshuaj organic sib xyaw ua ke. Nws feem ntau siv ua cov tshuaj reagent hauv kev tshuaj ntsuam xyuas tshuaj thiab kev lag luam tshuaj. Nws cov qauv tshuaj muaj ib lub nplhaib aromatic nrog ib pawg amino (NH2) thiab ib pawg pyrazolone, ua rau nws yog ib qho tshuaj sib xyaw ua ke rau ntau yam kev siv.
Hauv kev tshuaj xyuas tshuaj, 4-Aminoantipyrine yog siv dav ua cov tshuaj chromogenic hauv kev ntsuas xim. Nws cuam tshuam nrog qee yam tshuaj, xws li phenols thiab peroxides, los tsim cov xim sib xyaw uas tuaj yeem ntsuas spectrophotometrically. Cov yam ntxwv no ua rau nws muaj txiaj ntsig zoo hauv ntau yam kev ntsuas, suav nrog kev txiav txim siab ntawm cov enzymes xws li peroxidase, glucose, thiab amylase.
Hauv kev lag luam tshuaj, 4-Aminoantipyrine tau siv yav dhau los ua tshuaj analgesic thiab antipyretic. .
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TAPS-NA CAS:91000-53-2 Tus nqi tsim khoom
N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid sodium ntsev, tseem hu ua TAPS-Na, yog ib qho tshuaj lom neeg uas feem ntau siv ua tus neeg sawv cev rau ntau yam kev siv tshuaj lom neeg thiab tshuaj lom neeg. Nws yog ib qho zwitterionic compound, txhais tau tias nws muaj ob qho tib si zoo thiab tsis zoo, uas pab tswj kom muaj pH ruaj khov hauv cov tshuaj.
TAPS-Na muaj pH ntau ntawm kwv yees li 7.7 txog 9.1, ua rau nws haum rau cov ntawv thov uas xav tau ib puag ncig pH alkaline me ntsis. Nws feem ntau siv rau hauv kev tshawb fawb txog protein thiab enzyme, nrog rau hauv cov txheej txheem molecular biology xws li gel electrophoresis thiab DNA sequencing.
Ua ib qho ntsev sodium, TAPS-Na yaj tau zoo heev hauv dej, uas ua rau yooj yim rau kev npaj cov tshuaj buffered. Nws paub txog nws qhov kev lom tsawg thiab kev cuam tshuam tsawg kawg nkaus rau cov tshuaj lom neeg, ua rau nws yog qhov kev xaiv zoo rau ntau qhov kev sim.
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5,5-Dithiobis (2-nitrobenzoic acid) CAS: 69-78-3
5,5-Dithiobis (2-nitrobenzoic acid), tseem hu ua DTNB lossis Ellman's reagent, yog ib hom tshuaj lom neeg uas feem ntau siv rau hauv kev tshawb fawb txog biochemical thiab tshuaj. Nws yog ib hom hmoov daj, crystalline uas yaj tau zoo heev hauv dej thiab cov kuab tshuaj organic.
DTNB feem ntau yog siv los ntsuas qhov concentration ntawm sulfhydryl (-SH) pawg hauv cov protein thiab peptides. Cov tshuaj no reacts nrog thiols, ua rau muaj kev sib xyaw disulfide thiab tso tawm 2-nitro-5-thiobenzoate, uas muaj xim daj uas tuaj yeem ntsuas spectrophotometrically. Los ntawm kev ntsuas qhov hnyav ntawm cov xim daj, nws muaj peev xwm kwv yees qhov concentration ntawm thiols hauv ib qho qauv. Cov txheej txheem no feem ntau yog siv los kawm txog kev sib cuam tshuam ntawm cov protein-protein, protein folding, thiab enzymatic reactions uas cuam tshuam nrog thiol pawg.
Ntxiv rau qhov kev ntsuas thiol, DTNB tau siv rau hauv lwm yam kev siv, xws li kev ntsuam xyuas lub xeev redox ntawm cov hlwb, kawm txog kev ruaj khov ntawm cov hlau-sulfur sib xyaw, thiab ntsuas kev ua haujlwm ntawm ntau yam enzymes.
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PHENOLPHTHALEIN MONOPHOSPHATE BIS (CYCLOHEXYLAMMONIUM) NTSEV CAS: 14815-59-9
Phenolphthalein monophosphate dicyclohexylammonium ntsev yog ib qho tshuaj lom neeg uas tau los ntawm phenolphthalein, ib qho pH qhia feem ntau siv hauv chaw kuaj mob. Daim ntawv ntsev dicyclohexylammonium ntawm phenolphthalein monophosphate feem ntau siv ua cov tshuaj reagent hauv kev tshawb fawb biochemical thiab molecular biology. Nws feem ntau yog siv rau hauv kev sim lossis kev ntsuam xyuas los ntes thiab ntsuas qhov muaj qee cov enzymes, suav nrog cov uas koom nrog ATP (adenosine triphosphate) hydrolysis lossis phosphatase cov haujlwm. Nws cov khoom tshwj xeeb ua rau nws yog ib qho cuab yeej muaj txiaj ntsig hauv kev tshawb nrhiav txog kev tshawb fawb txog enzyme kinetics thiab cov txheej txheem cellular..
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NSP-SA-NHS CAS: 199293-83-9 Tus nqi tsim khoom
NSP-SA-NHS yog ib qho tshuaj uas muaj N-succinimidyl-6-(3′-pyridyldithio)hexanoate (NSP) thiab N-hydroxysuccinimide (NHS). Nws feem ntau siv ua tus neeg sawv cev crosslinking hauv cov tshuaj bioconjugation, tshwj xeeb rau kev sib txuas peptides, cov protein, lossis lwm yam amine-muaj molecules rau saum npoo lossis lwm yam molecules. NSP moiety ua rau muaj kev sib txuas thioester ruaj khov nrog lub hom phiaj molecule, thaum NHS moiety tso cai rau kev sib xyaw tom qab nrog cov amines thawj. NSP-SA-NHS siv dav hauv ntau yam kev tshawb fawb thiab kev siv biomedical, suav nrog kev npaj cov immunoassays, antibody labeling, protein-protein kev tshawb fawb sib cuam tshuam, thiab protein immobilization.
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N-(1-Naphthyl)-3-aminopropanesulfonic Acid Sodium Ntsev CAS: 104484-71-1
Qhov Ntsuas pH: Cov tshuaj no qhia txog kev hloov xim uas nyob ntawm pH, ua rau nws yog ib qho ntsuas pH uas muaj txiaj ntsig zoo hauv ntau yam kev sim thiab kev sim. Nws tuaj yeem siv los saib xyuas kev hloov pauv pH hauv cov qauv tshuaj lom neeg, cov tshuaj lom neeg, thiab lwm yam kab ke.
Tshuaj Ntsuam Xyuas Fluorescent: N-(1-Naphthyl)-3-aminopropanesulfonic acid sodium ntsev muaj cov yam ntxwv fluorescence, ua rau nws tsim nyog rau kev tshawb fawb raws li fluorescence thiab daim ntawv thov daim ntawv lo. Nws tuaj yeem suav nrog rau hauv cov txheej txheem analytical rau kev pom thiab taug qab cov tshuaj lom neeg lossis cov qauv cellular.
Kev Ntsuas Enzyme: Cov tshuaj no feem ntau siv ua cov substrate lossis inhibitor hauv kev ntsuas enzyme, tshwj xeeb tshaj yog cov uas muaj cov pab pawg sulfonate lossis cov haujlwm enzyme cuam tshuam los ntawm kev hloov pauv pH. Nws tuaj yeem pab cov kws tshawb fawb kawm txog enzyme kinetics, cov txheej txheem inhibition, thiab kev sib cuam tshuam enzyme-substrate.
Cheebtsam ntawm Buffer: N-(1-Naphthyl)-3-aminopropanesulfonic acid sodium ntsev siv tau ua ib feem ntawm cov buffer systems tshwj xeeb, tshwj xeeb tshaj yog cov uas xav tau ib pawg sulfonic acid lossis qee qhov pH. Nws pab tswj cov pH zoo tshaj plaws hauv kev teeb tsa sim.
Kev Tsim Tshuaj: Vim nws cov qauv tshuaj tshwj xeeb, N-(1-Naphthyl)-3-aminopropanesulfonic acid sodium ntsev tuaj yeem ua lub hauv paus rau kev tsim cov tshuaj lossis cov khoom siv pib rau kev tsim ntau yam organic molecules lossis cov tshuaj sib xyaw.
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N-(2-Acetamide) iminodiacetic acid CAS: 26239-55-4
N-(2-Acetamido)iminodiacetic acid yog ib qho tshuaj uas yog ib feem ntawm cov amino acids uas hu ua cov neeg sawv cev chelating. Nws feem ntau siv ua tus neeg sawv cev sib xyaw, tshwj xeeb tshaj yog hauv kev siv kho mob thiab kev lag luam. Cov tshuaj no muaj cov khoom siv hlau zoo heev, txhais tau tias nws tuaj yeem tsim cov tshuaj sib xyaw ruaj khov nrog ntau yam hlau ions los ntawm kev sib koom ua ke rau lawv los ntawm nws cov pab pawg ua haujlwm..
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Disodium 4-nitrophenylphosphate CAS: 4264-83-9
Disodium 4-nitrophenylphosphate yog ib qho tshuaj sib xyaw nrog cov mis molecular C6H4NO6PNa2. Nws yog ib qho hmoov crystalline zoo uas feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu thiab kev siv molecular biology. Nws feem ntau siv ua lub substrate hauv kev ntsuam xyuas enzyme, tshwj xeeb tshaj yog rau cov enzymes phosphatase. Cov tshuaj no paub tias yuav hydrolysis hauv cov kua dej, ua rau muaj kev tso tawm ntawm cov phosphate ion dawb.
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6-methoxyquinoline CAS: 5263-87-6
6-Methoxyquinoline yog ib qho organic compound nrog cov mis molecular C10H9NO. Nws yog ib qho heterocyclic aromatic compound uas muaj ib lub nplhaib quinoline fused nrog ib pawg methoxy ntawm 6-txoj hauj lwm.
Cov tshuaj no muaj ntau yam kev siv hauv kev tsim cov organic thiab tshuaj lom neeg. Nws tuaj yeem ua lub hauv paus rau kev tsim cov lwm yam quinoline derivatives thiab cov tshuaj sib xws.
Hauv kev siv tshuaj kho mob, 6-Methoxyquinoline tau qhia txog cov haujlwm pharmacological. Nws tau raug kawm txog nws cov tshuaj tua kab mob, tshuaj tua kab mob malaria, thiab tshuaj tua kab mob cancer..
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4-Benzylamino-7-nitrobenz-2-oxa-1,3-diazole CAS: 18378-20-6
4-Benzylamino-7-nitrobenz-2-oxa-1,3-diazole yog ib yam tshuaj uas muaj cov mis molecular C14H11N5O3. Nws yog ib yam heterocyclic compound uas muaj ib lub nplhaib diazole sib xyaw nrog ib lub nplhaib benzene. Cov tshuaj no paub txog nws cov khoom fluorescent thiab feem ntau siv ua xim fluorescent hauv kev tshawb fawb txog tsiaj txhu thiab kev siv duab. Pawg benzylamino txuas rau lub nplhaib diazole ua rau nws cov solubility thiab kev ruaj khov zoo dua. Pawg nitro thiab oxa atom (oxygen) hauv lub nplhaib diazole pab txhawb rau nws cov khoom siv tshuaj thiab lub cev tshwj xeeb.
