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TOOS CAS: 82692-93-1 Theko ea moetsi
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate ke motsoako oa lik'hemik'hale o tsejoang haholo e le MESNa. E sebelisoa haholo-holo e le moemeli oa ho fokotsa lik'hemik'hale tsa biochemistry le baeloji ea limolek'hule. MESNa e na le bokhoni ba ho roba litlamo tsa disulfide liprotheineng, e li fetole lihlopha tsa sulfhydryl. Ts'ebetso ena ea phokotso e bohlokoa bakeng sa lits'ebetso tse fapaneng tse kang ho fetoha ha protheine, ho thibela ho kopana ha protheine, ho ngola liprotheine le ho kopana hape ha protheine. MESNa e bapala karolo ea bohlokoa ho etseng protheine, ho sekaseka le ho fetola lipatlisiso tsa mahlale.
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CAPSO Na CAS:102601-34-3 Theko ea moetsi
CAPSO Na, e tsejoang hape e le letsoai la sodium la 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid, ke motsoako o leng oa lelapa la li-sulfonic acid. Ke sesebelisoa sa zwitterionic se sebelisoang haholo lits'ebetsong tse fapaneng tsa biochemical le limolek'hule.
CAPSO Na e sebetsa e le moemeli ea sebetsang hantle oa ho laola pH 'me e sebelisoa haholo mefuteng ea buffer ho boloka pH e tsitsitseng sebakeng se itseng. E na le boleng ba pKa ba hoo e ka bang 9.8 'me hangata e sebelisoa litekong tse hlokang pH pakeng tsa 8.5 le 10.
Sebopeho sa letsoai la sodium sa CAPSO (CAPSO Na) se ntlafatsa ho qhibiliha le bonolo ba ho sebetsana le sona ha se bapisoa le sebopeho sa asiti e lokolohileng. E qhibiliha metsing 'me e etsa litharollo tse tsitsitseng habonolo maemong a fapaneng, e leng se etsang hore e be bonolo bakeng sa lits'ebetso tse fapaneng tsa laboratori.
Tse ling tsa ditshebediso tse tlwaelehileng tsa CAPSO Na di kenyeletsa ho sebetsa e le sethibela-mafu mekgweng ya electrophoresis, diteko tsa enzyme, tlhoekiso ya protheine, le mecha ya temo ya sele. Bokgoni ba yona ba ho sethibela le ho tsamaellana le ditsamaiso tsa baeloji di kenya letsoho ho thuseng ha yona masimong ana.
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2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate CAS:86520-63-0
2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate ke motsoako oa lik'hemik'hale o sebelisoang haholo lik'hemik'haleng tsa lik'habohaedreite le liketsong tsa glycosylation. Ke motsoako oa α-D-galactopyranose, mofuta oa tsoekere, moo lihlopha tsa hydroxyl tse maemong a 2, 3, 4, le 6 a lesale la galactopyranose li acetylated. Ho phaella moo, khabone ea anomeric (C1) ea tsoekere e sirelelitsoe ka sehlopha sa trichloroacetimidate, e leng se etsang hore e be electrophile e matla nakong ea liketso tsa glycosylation.
Hangata motsoako ona o sebediswa e le moemedi wa glycosylating ho kenya di-moieties tsa galactose ka hara dimolek'hule tse fapaneng, tse kang diprotheine, di-peptide, kapa dimolek'hule tse nyane tsa tlhaho. Sena se ka fihlellwa ka ho fetola motsoako ona ka nucleophile (mohlala, dihlopha tsa hydroxyl molek'huleng e rerilweng) tlasa maemo a loketseng. Sehlopha sa trichloroacetimidate se thusa ho hokela di-moiety tsa galactose ho molek'hule e rerilweng, e leng se fellang ka ho thehwa ha tlamo ya glycosidic.
Motsoako ona o sebediswa haholo ho kopanyeng di-glycoconjugate, di-glycopeptide le di-glycolipide. O fana ka mokgwa o feto-fetohang le o sebetsang wa ho fetola dimolek'hule tse nang le masala a galactose, e leng se ka bang bohlokwa mafapheng a fapaneng, ho kenyeletswa le dithuto tsa baeloji, ditsamaiso tsa ho fana ka meriana, kapa ntshetsopele ya diente.
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AMPD CAS: 115-69-5 Theko ea moetsi
2-Amino-2-methyl-1,3-propanediol, e tsejoang hape e le AMPD kapa α-methyl serinol, ke motsoako oa lik'hemik'hale o nang le foromo ea limolek'hule C4H11NO2. Ke joala ba amino bo sebelisoang hangata e le karolo ea lik'hemik'hale ho kopanyeng meriana le metsoako ea lintho tse phelang. AMPD e tsejoa ka bokhoni ba eona ba ho sebetsa e le thuso ea chiral liketsong tse sa lekanang, e leng se etsang hore e be ea bohlokoa tlhahisong ea metsoako e hloekileng ea enantiomeric. Ho feta moo, e sebelisitsoe e le motsoako tlhokomelong ea botho le lihlahisoa tsa litlolo bakeng sa thepa ea eona ea ho nolofatsa mongobo.
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Letswai la sodium la MES CAS: 71119-23-8
Letswai la sodium la MES, le tsejoang hape e le letsoai la sodium la 2-(N-morpholino)ethanesulfonic acid, ke motsoako oa lik'hemik'hale o sebelisoang hangata e le moemeli oa buffering. Ke asiti e nang le boleng ba pKa ba hoo e ka bang 6.15. Letswai la sodium la MES le qhibiliha haholo metsing 'me sebaka sa lona se sebetsang sa buffering se ka ba pH 5.5 ho isa ho 6.7. Le sebelisoa haholo lipatlisisong tsa biochemical le baeloji, hammoho le liketsong tse fapaneng tsa lik'hemik'hale, tlhoekiso ea protheine, gel electrophoresis, lithuto tsa enzyme, le liteko tsa setso sa lisele. Sebopeho sa letsoai la sodium se ntlafatsa ho qhibiliha le botsitso ba motsoako, e leng se etsang hore ho be bonolo ho sebetsana le ho sebelisoa libakeng tsa laboratori.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate ke motsoako oa lik'hemik'hale o nkiloeng ho glucose, tsoekere e bonolo. E thehoa ka acetylating glucose e nang le lihlopha tse hlano tsa acetyl, e leng se fellang ka ho khomarela ha lihlopha tsena ho lihlopha tsa hydroxyl (OH) tse teng molek'huleng ea glucose. Phetoho ena ea glucose e e fa botsitso bo eketsehileng 'me e etsa hore e qhibilihe ka har'a metsoako ea lintho tse phelang.
Pentaacetate ea Beta-D-glucose e na le lits'ebetso tse fapaneng lefapheng la k'hemistri ea tlhaho, haholo-holo ho qaptjoeng le phetohong ea lik'habohaedreite. E ka sebetsa e le selelekela kapa bohareng ba ho lokisoa ha lintho tse ling tse tsoang lik'habohaedreite kapa metsoako e rarahaneng ea tlhaho. Ho feta moo, e sebelisitsoe lits'ebetsong tse ling tsa bongaka le tsa meriana tse kang litsamaiso tsa ho fana ka meriana le mekhoa e laoloang ea ho lokolla.
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2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS:7365-44-8
2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, e khutsufalitsoeng e le TES, ke motsoako oa lik'hemik'hale o sebelisoang haholo e le moemeli oa buffering lipatlisisong tsa baeloji le tsa lik'hemik'hale. Jwalo ka derivative ea sulfonic acid ea tris(hydroxymethyl)aminomethane (Tris), TES e ka boloka mefuta e tsitsitseng ea pH ea 6.8 ho isa ho 8.2. E sebelisoa khafetsa mecheng ea temo ea sele, liketsong tsa enzymatic, protein electrophoresis, le lipatlisisong tsa DNA/RNA. TES e na le mekhoa e mengata haholo 'me ea bohlokoa bakeng sa ho boloka maemo a matle litekong le mekhoa e fapaneng ea laboratori.
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piperazine-1,4-bis (2-ethanesulfonic acid) letsoai la disodium CAS: 76836-02-7
Disodium piperazine-1,4-diethanesulphonate ke motsoako oa lik'hemik'hale o sebelisoang hangata e le sesebelisoa sa ho thibela le ho tsitsisa lits'ebetsong tse fapaneng tsa saense le tsa bongaka. Ke letsoai la sodium la tlhaho le nkiloeng ho piperazine le diethanesulphonic acid.
Motsoako ona o qhibiliha haholo metsing mme o na le ponahalo e tšoeu ea kristale. O tsebahala ka thepa ea oona e laolang pH, e thusang ho boloka asiti kapa alkalinity ea litharollo ka har'a tekanyo e lakatsehang.
Tšebeliso e 'ngoe e kholo ea disodium piperazine-1,4-diethanesulphonate ke lefapheng la electrophysiology le neurobiology. Hangata e sebelisoa e le karolo ea litharollo tsa ho rekota tsa electrophysiological le mecha ea phatlalatso ea setso sa sele ho boloka botsitso le botšepehi ba lisele le lisele nakong ea mekhoa ea liteko.
Ho phaella moo, motsoako ona o fumanoe o na le litlamorao tse itseng tse sireletsang methapo ea kutlo le tsa antioxidant, e leng se etsang hore o be le thuso lipatlisisong tse amanang le tsamaiso ea methapo e bohareng le khatello ea oxidative.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ke motsoako oa lik'hemik'hale o sebelisoang haholo lipatlisisong le tlhahlobong ea lik'hemik'hale. Ke motsoako oa galactose, mofuta oa tsoekere. Motsoako ona hangata o sebelisoa e le substrate bakeng sa ho lemoha ts'ebetso ea beta-galactosidase, e leng enzyme e teng linthong tse ngata tse phelang, ho kenyeletsoa le libaktheria. Ha beta-galactosidase e le teng, e arola 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ho naphthol le galactose. Molek'hule ea naphthol e hlahisoang e ka bonoa habonolo ka ho monya ha eona khanya ea ultraviolet, e leng se lumellang bo-rasaense ho lekanya ts'ebetso ea beta-galactosidase. Teko ena e sebelisoa hangata baelojing ea limolek'hule le lipatlisiso tsa liphatsa tsa lefutso, bakeng sa lits'ebetso tse kang ho ithuta taolo ea liphatsa tsa lefutso, tlhahiso ea protheine, le bophelo ba sele.
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TOPS CAS:40567-80-4 Theko ea moetsi
Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate ke motsoako oa lik'hemik'hale o nang le sebopeho se rarahaneng sa limolek'hule. E sebelisoa hangata lits'ebetsong tse fapaneng tsa saense le lipatlisiso. Motsoako ona ke motsoako oa sulfonate, o tsejoang ka ho qhibiliha ha oona metsing le li-solvents tse ling tsa polar. O ka sebelisoa e le reagent kapa tlatsetso liketsong le lits'ebetsong tsa lik'hemik'hale. Ka lebaka la sebopeho le thepa ea oona e ikhethang, Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate hangata e sebelisoa nts'etsopele ea meriana, lidae le metsoako e meng ea lintho tse phelang.
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CHES Na CAS:103-47-9 Theko ea moetsi
2-(Cyclohexylamino)ethanesulfonic acid ke motsoako oa lik'hemik'hale o nang le foromo ea limolek'hule C10H21NO3S. E boetse e tsejoa ka khutsufatso ea eona ea CHES. CHES ke derivative ea sulfonic acid e nang le sehlopha sa amino le sehlopha sa sulfonic acid sebopehong sa eona.
CHES e atisa ho sebelisoa e le sesebelisoa sa ho thibela mafu lipatlisisong tsa lik'hemik'hale le tsa baeloji. E tsitsitse ka pH 'me e boloka tikoloho ea pH e tsitsitseng, haholo-holo libakeng tsa laboratori tse kenyeletsang liketso tsa enzymatic kapa lithuto tsa protheine. CHES e na le pKa ea 9.3, e leng se etsang hore e be sesebelisoa se sebetsang hantle se potolohileng pH 9.
Sebopeho sa yona se ikgethang sa dikhemikhale le thepa ya yona di etsa hore CHES e be le thuso ditshebedisong tse fapaneng, tse kang ho lokiseng ditharollo tsa buffer bakeng sa electrophoresis, diteko tsa enzyme, le di-cell culture media. Hangata e kgethwa bakeng sa ditshebediso tse hlokang pH e pakeng tsa 8.5 le 10.
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2,3,4,6-Tetra-O-benzyl-D-galactopyranose CAS:53081-25-7
2,3,4,6-Tetra-O-benzyl-D-galactopyranose ke motsoako o sebelisoang haholo tlhahisong ea lintho tse phelang, haholo-holo lefapheng la k'hemistri ea lik'habohaedreite. E sebetsa e le sehlopha se sireletsang lihlopha tsa hydroxyl tsa galactose, tse thibelang liketso tse sa batleheng nakong ea liphetoho tsa lik'hemik'hale. Motsoako ona o entsoe ka molek'hule ea galactose e nang le lihlopha tse 'ne tsa benzyl tse hoketsoeng lihlopha tsa hydroxyl maemong a 2, 3, 4, le 6 a lesale la galactose.
Boteng ba lihlopha tsa benzyl bo sireletsa lihlopha tsa hydroxyl, bo etsa hore li se ke tsa sebetsa, ha ka nako e ts'oanang li boloka ts'ebetso ea lihlopha tse ling tse sebetsang ka har'a molek'hule. Sena se nolofalletsa liphetoho tse khethiloeng tsa galactose kapa liphetoho tse ling ho etsahala ntle le ho ama lihlopha tse sirelelitsoeng tsa hydroxyl.
2,3,4,6-Tetra-O-benzyl-D-galactopyranose hangata e sebediswa e le thepa ya ho qala bakeng sa ho kopanya dikhabohaedreite tse rarahaneng, di-glycoconjugate, kapa metswako e meng e nang le masalla a galactose. E thusa haholo dikarabelong tsa glycosylation, moo e sebetsang e le mofani wa glycosyl ya sebetsang hantle, e thusang ho kgomarela galactose ho dimolek'hule tse amohelang.
