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Egtazic asidi CAS: 67-42-5 Wopanga Mtengo
Ethylenebis(oxyethylenenitrilo)tetraacetic acid (EGTA) ndi chelating wothandizira omwe amagwiritsidwa ntchito pofufuza zamoyo ndi zamankhwala.Ndi mankhwala opangidwa omwe amachokera ku ethylenediamine ndi ethylene glycol.EGTA ili ndi kuyanjana kwakukulu kwa ayoni achitsulo a divalent, makamaka kashiamu, ndipo amagwiritsidwa ntchito kwambiri ku chelate ndi kusekera ma ion awa m'machitidwe osiyanasiyana monga mu chikhalidwe cha ma cell, ma enzyme assays, ndi njira zama cell biology.Pomanga kashiamu ndi ayoni ena achitsulo, EGTA imathandizira kuwongolera kuchuluka kwawo, motero imakhudza njira zingapo zama biochemical.
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P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS:4419-94-7
P-Nitrophenyl beta-D-lactopyranoside, yomwe imadziwikanso kuti PNPG, ndi mankhwala omwe amagwiritsidwa ntchito nthawi zambiri poyesa ma enzymatic kuyesa ntchito ya beta-galactosidase, puloteni yomwe imakhudzidwa ndi metabolism ya carbohydrate.PNPG ndi gawo lapansi lopangidwa lomwe limatha kung'ambika ndi beta-galactosidase, zomwe zimapangitsa kutulutsa kwamtundu wachikasu.Kukula kwa gawo lapansi la hydrolysis kumatha kuwerengedwa poyesa kuyamwa kwa chinthucho pamtunda wina wake.Izi zimalola ofufuza kuti awone zomwe zimachitika komanso ma kinetics a beta-galactosidase m'malo osiyanasiyana, monga kuphunzira momwe ma enzyme amagwirira ntchito, kuyang'ana ma enzyme inhibitors kapena activator, kapena kuwunika momwe masinthidwe amagwirira ntchito.
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popso disodium CAS: 108321-07-9
Piperazine-N,N'-bis(2-hydroxypropanesulphonic acid) mchere wa disodium ndi mankhwala opangidwa ndi piperazine, bis(2-hydroxypropanesulphonic acid) magulu, ndi ayoni awiri a sodium.Imagwiritsidwa ntchito ngati chowongolera komanso chowongolera pH pamafakitale osiyanasiyana ndi ma labotale.Pawiriyi imathandizira kukhala ndi pH yeniyeni pamayankho, ndikupangitsa kuti ikhale yothandiza pamachitidwe monga kuyeretsa mapuloteni, biology yama cell, ndi kafukufuku wamankhwala.Kuphatikiza apo, imathanso kukhala ngati chelating agent ya ayoni zitsulo ndikukhazikitsa ma enzyme muzochitika zina zama biochemical.
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4-(2-hydroxyethyl) piperazine-1-ethane-sulfon.ac.hemiso.S CAS:103404-87-1
4-(2-Hydroxyethyl) piperazine-1-ethanesulfonic acid hemisodium salt, yomwe imadziwikanso kuti CAPSO Na, ndi mankhwala omwe amagwiritsidwa ntchito ngati buffering agent mu biochemical and molecular biology applications.Ndi mchere wa zwitterionic womwe umathandiza kuwongolera ndi kusunga pH yokhazikika mkati mwazosiyana.CAPSO Na imagwirizana ndi machitidwe achilengedwe, ndikupangitsa kuti ikhale yoyenera kuyeserera kosiyanasiyana kwa ma enzymatic, njira zoyeretsera mapuloteni, ndi media media.Amagwiritsidwanso ntchito mu njira za electrophoresis ndipo amadziwika chifukwa cha kukhazikika kwa pH komanso kugwirizana ndi michere.
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PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE CAS:16758-34-2
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE, yomwe imadziwikanso kuti phenyl thio galactopyranoside, ndi mankhwala omwe ali m'gulu la glycosides.Ndi galactose yochokera ku galactose yomwe imakhala ndi galactopyranose shuga unit yolumikizidwa ku gulu la phenylthio pa anomeric carbon.Pawiriyi imagwiritsidwa ntchito kwambiri pofufuza zamoyo monga gawo lapansi la michere yomwe imatulutsa hydrolyze glycosidic bond.Zimagwira ntchito ngati gawo laling'ono kuti liphunzire ntchito ya enzymatic ya glycosidase ndikudziwira zenizeni, kinetics, ndi zoletsa.PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE nthawi zambiri amagwiritsidwa ntchito mu colorimetric ndi fluorometric assays kuti azindikire kupezeka kapena kuyeza ntchito ya ma glycosidase osiyanasiyana mu zitsanzo zamoyo.Hydrolysis ya mankhwalawa ndi michere yapadera imapanga chizindikiro chodziwika chomwe chingathe kuwerengedwa.Chifukwa cha gulu lake lokhazikika la phenylthio, PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE ikhoza kugwiridwa mosavuta ndikusungidwa popanda kuwonongeka, ndikupangitsa kuti ikhale yabwino kusankha. kuyesa kwa ma enzyme ndi kuyesa kofufuza.
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Dipso sodium CAS:102783-62-0 Mtengo Wopanga
3- [N, N-Bis (hydroxyethyl) amino] -2-hydroxypropanesulphonic acid mchere wa sodium, womwe umadziwikanso kuti BES sodium mchere, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pofufuza zamoyo ndi ntchito zachipatala.Ndiwochokera ku sulfonic acid ndi mawonekedwe a mchere wa sodium, ndikupangitsa kuti ikhale yosungunuka m'madzi komanso yokhazikika mumadzimadzi.
Mchere wa sodium wa BES uli ndi mamolekyu a C10H22NNaO6S ndi molekyulu yolemera pafupifupi 323.34 g/mol.Nthawi zambiri imagwiritsidwa ntchito ngati chothandizira kubisa chifukwa cha kuthekera kwake kusunga pH yokhazikika pamayankho.
Gululi limadziwika chifukwa chotha kukana kusintha kwa pH komwe kumachitika chifukwa cha kuchepetsedwa kapena kuwonjezera ma acid ndi maziko.Amagwiritsidwa ntchito kwambiri pakupanga kwachilengedwe komanso ma enzymatic, media media, kuyeretsa mapuloteni, ndi ntchito zina pomwe kuwongolera bwino pH ndikofunikira.
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Bis-tris hydrochloride CAS: 124763-51-5
Bis-tris hydrochloride ndi mankhwala omwe amagwiritsidwa ntchito poyesa zamoyo ndi zachilengedwe.Zimathandizira kuti pH ikhale yokhazikika ndipo imagwiritsidwa ntchito mu protein electrophoresis, kuyesa kwa ma enzyme, chikhalidwe cha cell, ndi kupanga mankhwala.Ntchito yake yayikulu ndikukana kusintha kwa pH pamene ma acid kapena maziko akuwonjezeredwa ku yankho, ndikupangitsa kuti ikhale chida chofunikira pakugwiritsa ntchito zosiyanasiyana zasayansi ndi mafakitale.
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4-Nitrophenyl-beta-D-glucopyranoside CAS: 2492-87-7
4-Nitrophenyl-beta-D-glucopyranoside ndi gawo laling'ono lomwe limagwiritsidwa ntchito poyesera zamoyo kuti liwone ntchito ya michere monga β-glucuronidase.Pagululi ndi hydrolyzed ndi enzyme, zomwe zimapangitsa kuti 4-nitrophenol itulutsidwe, yomwe imatha kuyeza pogwiritsa ntchito spectrophotometry.Kugwiritsiridwa ntchito kwake kumathandizira ofufuza kuti aphunzire mbali zosiyanasiyana za kagayidwe ka mankhwala, toxicology, ndi matenda okhudzana ndi glucuronidation.
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Tris Base CAS: 77-86-1 Mtengo Wopanga
Tris Base, yomwe imadziwikanso kuti Tromethamine kapena THAM, ndi organic pawiri yomwe imagwiritsidwa ntchito kwambiri pazachilengedwe komanso sayansi yama cell.Ndi ufa woyera, wa crystalline womwe umasungunuka kwambiri m'madzi ndipo uli ndi fungo la amine.Tris Base nthawi zambiri amagwiritsidwa ntchito ngati wothandizira kuti asunge pH yokhazikika pamayesero ndi machitidwe osiyanasiyana achilengedwe, monga DNA ndi maphunziro a mapuloteni.Itha kugwiritsidwanso ntchito popanga mankhwala komanso kupanga zinthu zogwira ntchito pamtunda.Ponseponse, Tris Base ndi gawo lofunikira pama labotale ambiri komwe kusunga pH yolondola ndikofunikira.
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Heppso sodium CAS: 89648-37-3 Mtengo Wopanga
N--[2-Hydroxyethyl]piperazine-N'- [2-hydroxypropanesulfonic acid] mchere wa sodium ndi mankhwala omwe ali ndi ndondomeko C8H19N2NaO4S.Ndi mchere wa sodium wotengedwa ku piperazine, womwe uli ndi magulu a hydroxyethyl ndi hydroxypropanesulfonic acid.Amagwiritsidwa ntchito kwambiri m'makampani opanga mankhwala ngati njira yochepetsera komanso yokhazikika pakupanga mankhwala.Pawiri iyi imathandizira kukhalabe ndi pH komanso kukhazikika kwamankhwala.
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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 ndi mankhwala omwe ali m'banja la chakudya.Ndiwochokera ku alpha-D-galactopyranose, shuga wopezeka mwachilengedwe.Gulu lenilenili lili ndi magulu asanu a acetyl omwe amamangiriridwa kumagulu enaake a hydroxyl pa molekyulu ya shuga.Amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana amankhwala ndi mankhwala, kuphatikiza ngati poyambira pakupanga zinthu zina.Mawonekedwe ake a acetylated amathandizira kukhazikika kwake komanso kuyambiranso, ndikupangitsa kuti ikhale yomangamanga mu organic chemistry.
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popso sesquisodium CAS: 108321-08-0
Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) mchere wa sesquisodium, wotchedwanso PIPES sesquisodium salt, ndi mankhwala omwe amagwiritsidwa ntchito ngati buffering mu ntchito zosiyanasiyana za sayansi ndi mafakitale.Zimathandizira kukhala ndi pH yokhazikika pamayankho, makamaka pamtundu wa pH.Mchere wa PIPES sesquisodium umagwiritsidwa ntchito kwambiri mu media media, protein biochemistry, electrophoresis, njira zama cell biology, ndi njira zoperekera mankhwala.Imagwira ntchito ngati pH yowongolera komanso chowonjezera pakuchita kwa ma enzyme ndi kukhazikika, ndikupangitsa kuti ikhale yofunikira pamafukufuku osiyanasiyana ndi mafakitale.
