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Egtazic acid CAS: 67-42-5 Theko ea Moetsi
Ethylenebis(oxyethylenenitrilo)tetraacetic acid (EGTA) ke sesebelisoa sa chelating se atisang ho sebelisoa lipatlisisong tsa baeloji le lik'hemik'hale.Ke motsoako oa maiketsetso o tsoang ho ethylenediamine le ethylene glycol.EGTA e na le kamano e phahameng bakeng sa li-ion tsa tšepe tsa divalent, haholo-holo calcium, 'me e sebelisoa haholo ho chelate le ho arola li-ion tsena lits'ebetsong tse fapaneng joalo ka setso sa lisele, liteko tsa enzyme, le mekhoa ea baeloji ea limolek'hule.Ka ho tlama k'halsiamo le li-ion tse ling tsa tšepe, EGTA e thusa ho laola maikutlo a bona, kahoo e susumetsa mekhoa e sa tšoaneng ea lik'hemik'hale.
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P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS:4419-94-7
P-Nitrophenyl beta-D-lactopyranoside, eo hape e tsejoang e le PNPG, ke motsoako o atisang ho sebelisoa litlhahlobong tsa enzymatic ho lekanya tšebetso ea beta-galactosidase, enzyme e amehang ho metabolism ea carbohydrate.PNPG ke substrate ea maiketsetso e ka phunyeletsoang ke beta-galactosidase, e bakang ho lokolloa ha sehlahisoa sa 'mala o mosehla.Tekanyo ea substrate hydrolysis e ka lekanyetsoa ka mokhoa oa spectrophotometric ka ho metha ho monya ha sehlahisoa ka bolelele bo itseng ba maqhubu.Sena se lumella bafuputsi ho lekola ts'ebetso le kinetics ea beta-galactosidase maemong a fapaneng, joalo ka ho ithuta tšebetso ea enzyme, ho hlahloba li-inhibitors tsa enzyme kapa li-activator, kapa ho lekola litlamorao tsa liphetoho ts'ebetsong ea enzyme.
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popso disodium CAS: 108321-07-9
Piperazine-N,N'-bis(2-hydroxypropanesulphonic acid) letsoai la disodium ke motsoako oa lik'hemik'hale o entsoeng ka piperazine, lihlopha tsa bis(2-hydroxypropanesulphonic acid), le li-ion tse peli tsa sodium.E sebelisoa hangata joalo ka sesebelisoa sa buffering le pH regulator lits'ebetsong tse fapaneng tsa indasteri le laboratori.Motsoako ona o thusa ho boloka pH e itseng ka tharollo, e etsa hore e be molemo lits'ebetsong tse kang tlhoekiso ea protheine, biology ea limolek'hule le lipatlisiso tsa meriana.Ntle le moo, e ka sebetsa joalo ka moemeli oa chelating bakeng sa li-ion tsa tšepe le ho tsitsisa ts'ebetso ea enzyme liketsong tse itseng tsa 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, e tsejoang hape e le CAPSO Na, ke motsoako oa lik'hemik'hale o atisang ho sebelisoa e le sesebelisoa sa ho thibela likokoana-hloko lits'ebetsong tsa biochemical le molecular biology.Ke letsoai la zwitterionic le thusang ho laola le ho boloka pH e tsitsitseng ka har'a mefuta e itseng.CAPSO Na e tsamaisana le lits'ebetso tsa baeloji, e etsa hore e tšoanelehe bakeng sa liteko tse fapaneng tsa enzymatic, mekhoa ea tlhoekiso ea protheine, le mecha ea litaba ea setso sa lisele.E boetse e sebelisoa ka mekhoa ea electrophoresis 'me e tsejoa ka botsitso ba pH le ho lumellana le li-enzyme.
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PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE CAS:16758-34-2
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE, e tsejoang hape e le phenyl thio galactopyranoside, ke motsoako oa lik'hemik'hale oa lelapa la glycosides.Ke motsoako oa galactose o nang le yuniti ea tsoekere ea galactopyranose e kopantsoeng le sehlopha sa phenylthio ho anomeric carbon.Motsoako ona o atisa ho sebelisoa lipatlisisong tsa biochemical e le substrate bakeng sa li-enzyme tse hydrolyze glycosidic bonds.E sebetsa e le substrate ea maiketsetso ho ithuta mosebetsi oa enzymatic oa glycosidase le ho fumana hore na ke eng e ikhethang, kinetics, le inhibition.PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE hangata e sebelisoa ka litlhahlobo tsa colorimetric le fluorometric ho lemoha boteng kapa ho lekanya ts'ebetso ea li-glycosidase tse fapaneng lisampong tsa baeloji.Hydrolysis ea motsoako ona ka li-enzyme tse khethehileng e hlahisa letšoao le ka fumanoang le ka lekanyetsoang.Ka lebaka la sehlopha sa eona se tsitsitseng sa phenylthio, PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE e ka tšoaroa habonolo le ho bolokoa ntle le ho senyeha, ho etsa hore e be khetho e loketseng bakeng sa liteko tsa enzyme le liteko tsa lipatlisiso.
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Dipso sodium CAS: 102783-62-0 Theko ea Moetsi
3--[N,N-Bis(hydroxyethyl) amino] -2-hydroxypropanesulphonic acid sodium letsoai, e tsejoang hape e le BES sodium letsoai, ke motsoako oa lik'hemik'hale o atisang ho sebelisoa lipatlisisong tsa biochemical le likopo tsa meriana.Ke sulfonic acid e tsoang ka foromo ea letsoai la sodium, e etsang hore e qhibilihe ka metsing 'me e be e tsitsitseng ka litharollo tse nang le metsi.
BES letsoai la sodium le na le mokhoa oa molek'hule oa C10H22NNaO6S le boima ba molek'hule bo ka bang 323.34 g / mol.Hangata e sebelisoa e le ntho e thibelang likokoana-hloko ka lebaka la bokhoni ba eona ba ho boloka pH e tsitsitseng ea tharollo.
Motsoako ona o tsejoa ka bokhoni ba ona bo botle ba ho hanela liphetoho tsa pH tse bakoang ke ho hlapolloa kapa ho eketsoa ha li-acids le metheo.E sebelisoa hangata ho karabelo ea bioloji le enzymatic, media media, tlhoekiso ea protheine, le lits'ebetso tse ling moo taolo e nepahetseng ea pH e leng bohlokoa.
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Bis-tris hydrochloride CAS: 124763-51-5
Bis-tris hydrochloride ke motsoako o nang le thepa ea ho thibela hangata e sebelisoang litekong tsa biochemical le tsa baeloji.E thusa ho boloka pH e tsitsitseng mme e sebelisoa ho protheine electrophoresis, liteko tsa ts'ebetso ea enzyme, setso sa lisele, le litlhahlobo tsa meriana.Mosebetsi oa eona o ka sehloohong ke ho hanela liphetoho ho pH ha li-acid kapa li-base li kenngoa tharollong, e leng se etsang hore e be sesebelisoa sa bohlokoa lits'ebetsong tse fapaneng tsa saense le tsa indasteri.
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4-Nitrophenyl-beta-D-glucopyranoside CAS:2492-87-7
4-Nitrophenyl-beta-D-glucopyranoside ke substrate e atisang ho sebelisoa litekong tsa lik'hemik'hale ho hlahloba mosebetsi oa li-enzyme tse kang β-glucuronidase.Motsoako ona o na le hydrolyzed ke enzyme, e hlahisang ho lokolloa ha 4-nitrophenol, e ka lekanyetsoang ho sebelisa spectrophotometry.Tšebeliso ea eona e thusa bafuputsi ho ithuta likarolo tse fapaneng tsa metabolism ea lithethefatsi, toxicology, le tlhahlobo ea bongaka e amanang le karabelo ea glucuronidation.
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Tris Base CAS: 77-86-1 Theko ea Moetsi
Tris Base, eo hape e tsejoang e le Tromethamine kapa THAM, ke motsoako oa lintho tse phelang tse sebelisoang hangata lefapheng la biochemistry le biology ea limolek'hule.Ke phofo e tšoeu, e kristale e qhibilihang haholo metsing 'me e na le monko o monate oa amine.Hangata Tris Base e sebelisoa e le sesebelisoa sa ho thibela pH ho boloka pH e tsitsitseng litekong le mekhoa e fapaneng ea likokoana-hloko, tse kang DNA le lithuto tsa protheine.E ka boela ea sebelisoa ha ho etsoa meriana le ho hlahisa li-agent tse sebetsang ka holim'a metsi.Ka kakaretso, Tris Base ke karolo ea bohlokoa lits'ebetsong tse ngata tsa laboratori moo ho boloka pH e nepahetseng ho leng bohlokoa.
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Heppso sodium CAS: 89648-37-3 Theko ea Moetsi
N-[2-Hydroxyethyl]piperazine-N'-[2-hydroxypropanesulfonic acid] letsoai la sodium ke motsoako oa lik'hemik'hale o nang le foromo C8H19N2NaO4S.Ke letsoai la sodium le nkiloeng ho piperazine, e nang le lihlopha tse sebetsang tsa hydroxyethyl le hydroxypropanesulfonic acid.Hangata e sebelisoa indastering ea meriana e le ntho e thibelang likokoana-hloko le stabilizer ha ho etsoa litlhare.Motsoako ona o thusa ho boloka pH le botsitso ba meriana.
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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 ke motsoako oa lik'hemik'hale oa lelapa la lik'habohaedreite.E tsoa ho alpha-D-galactopyranose, tsoekere ea tlhaho.Motsoako ona o khethehileng o na le lihlopha tse hlano tsa acetyl tse khomaretsoeng ho lihlopha tse itseng tsa hydroxyl ka molek'hule ea tsoekere.E sebelisoa hangata lits'ebetsong tse fapaneng tsa lik'hemik'hale le tsa meriana, ho kenyeletsoa e le sesebelisoa sa ho qala ho kopanya metsoako e meng.Foromo ea eona ea acetylated e ntlafatsa botsitso le ts'ebetso ea eona hape, e etsa hore e be moaho oa bohlokoa ho k'hemistri ea manyolo.
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popso sesquisodium CAS:108321-08-0
Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) letsoai la sesquisodium, le tsejoang hape ka hore ke PIPES sesquisodium salt, ke motsoako oa lik'hemik'hale o sebelisoang e le sesebelisoa sa ho thibela lits'ebetso tse fapaneng tsa saense le indasteri.E thusa ho boloka boemo ba pH bo tsitsitseng litharollong, haholo-holo mofuteng oa pH oa fisioloji.PIPES letsoai la sesquisodium le atisa ho sebelisoa mecheng ea litaba tsa cell culture, protein biochemistry, electrophoresis, mekhoa ea limolek'hule ea baeloji, le mekhoa ea ho fana ka lithethefatsi.E sebetsa joalo ka molaoli oa pH le se matlafatsang bakeng sa ts'ebetso ea enzyme le botsitso, e etsa hore e be ea bohlokoa mefuteng e mengata ea lipatlisiso le lits'ebetsong tsa indasteri.
