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TOOS CAS:82692-93-1 Ọnụahịa Onye Mmepụta
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate bụ ihe mejupụtara kemịkalụ a na-akpọkarị MESNa. A na-ejikarị ya eme ihe dị ka ihe na-ebelata ihe na biochemistry na bayoloji molekul. MESNa nwere ike imebi njikọ disulfide na protein, na-agbanwe ha ka ha bụrụ otu sulfhydryl. Usoro mbelata a dị mkpa maka ojiji dị iche iche dịka imebi protein, igbochi nchịkọta protein, ịkọ protein, na ịtụgharị protein. MESNa na-arụ ọrụ dị mkpa na nhazi protein, nyocha, na mgbanwe na nyocha sayensị.
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CAPSO Na CAS:102601-34-3 Ọnụahịa Onye Mmepụta
CAPSO Na, nke a makwaara dị ka 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid sodium salt, bụ ihe mejupụtara nke ezinụlọ sulfonic acid. Ọ bụ ihe nchekwa zwitterionic nke a na-ejikarị eme ihe n'ọtụtụ ihe gbasara bayoloji na molekul.
CAPSO Na na-arụ ọrụ dị ka ihe na-achịkwa pH dị irè ma a na-ejikarị ya eme ihe n'ụdị nchekwa iji nọgide na-enwe pH kwụsiri ike n'ọtụtụ oke. Ọ nwere uru pKa nke dị ihe dịka 9.8 ma a na-ejikarị ya eme ihe n'ime nnwale ndị chọrọ pH n'etiti 8.5 na 10.
Ụdị nnu sodium nke CAPSO (CAPSO Na) na-eme ka ọ dịkwuo mfe ịgbaze ma dị mfe ijikwa ya ma e jiri ya tụnyere ụdị acid efu. Ọ na-agbaze mmiri ma na-emepụta ngwọta kwụsiri ike na njupụta dị iche iche, na-eme ka ọ dị mfe maka ojiji ụlọ nyocha dị iche iche.
Ụfọdụ ojiji a na-ejikarị CAPSO Na eme gụnyere ije ozi dị ka ihe nchekwa na usoro electrophoresis, nnwale enzyme, nhicha protein, na mgbasa ozi ọdịbendị sel. Ike nchekwa ya na ndakọrịta ya na sistemụ bayoloji na-enye aka na uru ya n'ọhịa ndị a.
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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 bụ kemịkalụ a na-ejikarị eme ihe na kemistri carbohydrate na mmeghachi omume glycosylation. Ọ bụ ihe sitere na α-D-galactopyranose, ụdị shuga, ebe a na-enweta acetylated nke otu hydroxyl dị na ọnọdụ 2, 3, 4, na 6 nke mgbanaka galactopyranose. Na mgbakwunye, a na-echekwa carbon anomeric (C1) nke shuga site na otu trichloroacetimidate, nke na-eme ka ọ bụrụ electrophile siri ike n'oge mmeghachi omume glycosylation.
A na-ejikarị ihe mejupụtara ya eme ihe dị ka ihe na-eme ka glycosylating dị iche iche, dịka protein, peptides, ma ọ bụ obere ihe ndị dị ndụ. Enwere ike ime nke a site n'iji nucleophile (dịka ọmụmaatụ, otu hydroxyl dị na ihe ndị dị ndụ) meghachi omume na ihe mejupụtara ya n'okpuru ọnọdụ kwesịrị ekwesị. Otu trichloroacetimidate na-eme ka njikọ nke ihe ndị dị ndụ galactose dị mfe na ihe ndị dị ndụ na-eme, na-ebute njikọ glycosidic.
A na-ejikarị ihe mejupụtara a eme ihe n'ịmepụta glycoconjugates, glycopeptides, na glycolipids. Ọ na-enye ụzọ dị iche iche ma dị irè maka ịgbanwe molekul nwere ihe fọdụrụ na galactose, nke nwere ike ịdị mkpa n'ọtụtụ ngalaba, gụnyere ọmụmụ ihe gbasara ndụ, usoro nnyefe ọgwụ, ma ọ bụ mmepe ọgwụ mgbochi.
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AMPD CAS:115-69-5 Ọnụahịa Onye Mmepụta
2-Amino-2-methyl-1,3-propanediol, nke a makwaara dị ka AMPD ma ọ bụ α-methyl serinol, bụ ngwakọta kemịkalụ nwere usoro molekul C4H11NO2. Ọ bụ amino alcohol nke a na-ejikarị eme ihe dị ka ihe etiti kemịkalụ na njikọta nke ọgwụ na ihe ndị sitere n'okike. A maara AMPD maka ikike ya ịrụ ọrụ dị ka ihe enyemaka chiral na mmeghachi omume asymmetric, na-eme ka ọ baa uru na mmepụta nke ihe ndị dị ọcha enantiomerically. Na mgbakwunye, ejirila ya dị ka ihe mejupụtara nlekọta onwe onye na ngwaahịa ịchọ mma maka ihe ndị na-eme ka mmiri dị ọcha.
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MES sodium nnu CAS:71119-23-8
Nnu sodium MES, nke a makwaara dịka nnu sodium 2-(N-morpholino)ethanesulfonic acid, bụ ihe mejupụtara kemịkalụ a na-ejikarị eme ihe dị ka ihe na-egbochi ihe. Ọ bụ asịd nwere uru pKa nke dị ihe dị ka 6.15. Nnu sodium MES na-agbaze nke ukwuu na mmiri, oke nchekwa ya dị irè dịkwa gburugburu pH 5.5 ruo 6.7. A na-ejikarị ya eme ihe n'ọtụtụ ebe na nyocha biochemical na bayọlọji, yana n'ọtụtụ mmeghachi omume kemịkalụ, nhicha protein, electrophoresis gel, ọmụmụ enzyme, na nnwale ọdịbendị sel. Ụdị nnu sodium na-eme ka ngwakọta ahụ dịkwuo mma ma kwụsie ike, na-eme ka ọ dịkwuo mfe ijikwa ma jiri ya na ntọala ụlọ nyocha.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate bụ kemịkalụ sitere na glucose, shuga dị mfe. A na-emepụta ya site na acetylating glucose nwere otu acetyl ise, nke na-eme ka otu ndị a jikọọ na otu hydroxyl (OH) dị na molekul glucose. Mgbanwe a nke glucose na-eme ka ọ kwụsie ike ma na-eme ka ọ gbazee na ihe mgbaze organic.
Beta-D-glucose pentaacetate nwere ọtụtụ ọrụ n'ọhịa nke kemistri organic, ọkachasị na njikọta na mgbanwe nke carbohydrates. Ọ nwere ike ịbụ ihe na-ebute ụzọ ma ọ bụ etiti n'ịkwadebe ihe ndị ọzọ sitere na carbohydrate ma ọ bụ ihe ndị dị mgbagwoju anya organic. Na mgbakwunye, ejirila ya na ụfọdụ ngwa ahụike na ọgwụ dịka sistemụ nnyefe ọgwụ na usoro mwepụta a na-achịkwa.
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2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS:7365-44-8
2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, nke a na-akpọ TES, bụ kemịkalụ a na-ejikarị eme ihe dị ka ihe na-egbochi ihe n'ime nchọpụta bayọlọji na kemịkalụ. Dịka ihe sitere na sulfonic acid nke tris(hydroxymethyl)aminomethane (Tris), TES nwere ike idobe oke pH kwụsiri ike nke 6.8 ruo 8.2. A na-ejikarị ya eme ihe na mgbasa ozi ọdịbendị sel, mmeghachi omume enzymatic, protein electrophoresis, na nyocha DNA/RNA. TES dị oke mma ma dịkwa oke mkpa maka ịnọgide na-enwe ọnọdụ kacha mma na nnwale na usoro ụlọ nyocha dị iche iche.
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piperazine-1,4-bis(2-ethanesulfonic acid) nnu disodium CAS:76836-02-7
Disodium piperazine-1,4-diethanesulphonate bụ ihe mejupụtara kemịkalụ nke a na-ejikarị eme ihe dị ka ihe na-egbochi ihe na ihe na-eme ka ọ kwụsie ike n'ọtụtụ ọrụ sayensị na ahụike. Ọ bụ nnu sodium organic nke sitere na piperazine na diethanesulphonic acid.
Ihe mejupụtara a na-agbaze nke ọma n'ime mmiri ma nwee ọdịdị kristal ọcha. A maara ya maka ihe ndị na-achịkwa pH ya, na-enyere aka ịnọgide na-enwe acidity ma ọ bụ alkalinity nke ihe ngwọta n'ime oke achọrọ.
Otu nnukwu ojiji nke disodium piperazine-1,4-diethanesulphonate bụ n'ọhịa electrophysiology na neurobiology. A na-ejikarị ya eme ihe dị ka akụkụ nke ngwọta ndekọ electrophysiological na mgbasa ozi ọdịbendị sel iji nọgide na-enwe nkwụsi ike na iguzosi ike n'ezi ihe nke mkpụrụ ndụ na anụ ahụ n'oge usoro nnwale.
Ọzọkwa, achọpụtala na ihe mejupụtara a nwere ụfọdụ mmetụta neuroprotective na antioxidant, na-eme ka ọ baa uru na nyocha metụtara sistemụ akwara etiti na nrụgide oxidative.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE bụ kemịkalụ a na-ejikarị eme nnyocha na nyocha kemịkalụ. Ọ bụ ihe sitere na galactose, ụdị shuga. A na-ejikarị ihe mejupụtara ya eme ihe dị ka ihe ndabere maka ịchọpụta ọrụ nke beta-galactosidase, enzyme dị n'ọtụtụ ihe dị ndụ, gụnyere nje bacteria. Mgbe beta-galactosidase dị, ọ na-ekewa 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ka ọ bụrụ naphthol na galactose. Enwere ike ịchọpụta molekul naphthol nke na-esi na ya apụta ngwa ngwa site na ịmịkọrọ ìhè ultraviolet ya, na-enye ndị ọkà mmụta sayensị ohere ịtụle ọrụ nke beta-galactosidase. A na-ejikarị nnwale a eme ihe na bayoloji molekul na nchọpụta mkpụrụ ndụ ihe nketa, maka ngwa dị ka ịmụ nhazi mkpụrụ ndụ ihe nketa, ngosipụta protein, na ndụ mkpụrụ ndụ.
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CAS:40567-80-4 Ọnụahịa Onye Mmepụta
Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate bụ kemịkalụ nwere nhazi molekul dị mgbagwoju anya. A na-ejikarị ya eme ihe n'ọtụtụ ọrụ sayensị na nyocha. Ngwakọta ahụ bụ ihe sitere na sulfonate, nke a maara maka ịgbaze ya na mmiri na ihe mgbaze polar ndị ọzọ. Enwere ike iji ya dị ka ihe mgbakwunye ma ọ bụ ihe mgbakwunye na mmeghachi omume kemịkalụ na usoro. N'ihi nhazi na ihe onwunwe ya pụrụ iche, a na-ejikarị Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate eme ihe na mmepụta ọgwụ, agba, na ihe ndị ọzọ dị ndụ.
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CHES Na CAS:103-47-9 Ọnụahịa Onye Mmepụta
2-(Cyclohexylamino)ethanesulfonic acid bụ ihe mejupụtara kemịkalụ nwere usoro molekul C10H21NO3S. A makwaara ya site na mkpọbiri ya CHES. CHES bụ ihe sitere na sulfonic acid nke nwere ma otu amino na otu sulfonic acid n'ime nhazi ya.
A na-ejikarị CHES eme ihe dị ka ihe na-egbochi ihe n'ime nchọpụta biochemical na bayọlọji. Ọ na-adịgide adịgide na pH ma na-ejigide gburugburu pH na-agbanwe agbanwe, ọkachasị na ntọala ụlọ nyocha nke gụnyere mmeghachi omume enzymatic ma ọ bụ ọmụmụ protein. CHES nwere pKa nke 9.3, na-eme ka ọ bụrụ ihe nchekwa dị irè gburugburu pH 9.
Ọdịdị na njirimara kemịkalụ pụrụ iche ya na-eme ka CHES baa uru n'ọtụtụ ọrụ dị iche iche, dịka n'ịkwadebe ihe ngwọta nchekwa maka electrophoresis, nnwale enzyme, na mgbasa ozi ọdịbendị sel. A na-ahọrọkarị ya maka ngwa ndị chọrọ oke pH nke 8.5 ruo 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 bụ ihe mejupụtara nke a na-ejikarị eme ihe na njikọ organic, ọkachasị na ngalaba kemistri carbohydrate. Ọ na-eje ozi dị ka otu nchekwa maka otu hydroxyl nke galactose, nke na-egbochi mmeghachi omume na-achọghị n'oge mgbanwe kemịkalụ. Ihe mejupụtara ya bụ molekul galactose nwere otu benzyl anọ ejikọtara na otu hydroxyl na ọnọdụ 2, 3, 4, na 6 nke mgbanaka galactose.
Ọnụnọ nke otu benzyl na-echebe otu hydroxyl, na-eme ka ha ghara ịrụ ọrụ, ebe ọ na-echekwa mmeghachi omume nke otu ọrụ ndị ọzọ dị na molekul ahụ. Nke a na-eme ka mgbanwe nhọrọ nke galactose ma ọ bụ mgbanwe ndị ọzọ mee na-enweghị mmetụta nke otu hydroxyl echekwara.
A na-ejikarị 2,3,4,6-Tetra-O-benzyl-D-galactopyranose eme ihe dị ka ihe mmalite maka njikọta nke carbohydrates dị mgbagwoju anya, glycoconjugates, ma ọ bụ ihe ndị ọzọ nwere ihe fọdụrụ na galactose. Ọ bara uru karịsịa na mmeghachi omume glycosylation, ebe ọ na-arụ ọrụ dị ka onye na-enye glycosyl dị irè, na-eme ka njikọ nke galactose na molekul ndị na-anabata ya dịkwuo mfe.
