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3-(N,N-dimethyldodecylammonio) propanesulfonate CAS:14933-08-5
N-(2-Aminoethyl)morpholine, nke a makwaara dịka AEM, bụ ihe mejupụtara kemịkalụ nwere nhazi kwụ ọtọ. O nwere mgbanaka morpholine nwere otu aminoethyl nke ejikọtara na otu n'ime atọm nitrogen ya. AEM bụ mmiri mmiri na-enweghị agba nwere isi pụrụ iche.
AEM na-enweta ọrụ n'ọtụtụ ngalaba ụlọ ọrụ mmepụta ihe dị iche iche. A na-ejikarị ya eme ihe dị ka ihe mgbaze maka ihe ndị sitere n'okike n'ihi ihe ndị na-eme ka ihe ghara ịdị mma. Na mgbakwunye, AEM na-arụ ọrụ dị ka ihe na-egbochi nchara n'ụlọ ọrụ mmepụta ihe gụnyere nhicha ígwè, mmepụta mmanụ na gas, na ọgwụgwọ mmiri. Ọ na-enyere aka ichebe ọla site na nchara na nchara.
Ọzọkwa, AEM na-arụ ọrụ dị ka ihe etiti kemịkalụ maka njikọta nke ọgwụ, ihe ọkụkụ, na kemịkalụ pụrụ iche. A na-eji ya eme ihe na ihe mgbakwunye polymer iji melite njirimara nke ihe mkpuchi, ihe nrapado, na ihe mkpuchi. A na-ejikwa AEM dị ka ihe na-edozi pH ma ọ bụ ihe na-egbochi ihe n'ime usoro ọrụ mmepụta ụfọdụ.
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MES monohydrate CAS:145224-94-8
MES monohydrate bụ ụdị mmiri mmiri nke 4-Morpholineethanesulfonic acid (MES), ihe na-eme ka ihe dị n'ime mmiri dị ọcha nke a na-ejikarị eme nchọpụta ihe ndị dị ndụ na ihe ndị dị ndụ. Ọ bụ ntụ ọcha kristal nke a na-agbaze na mmiri ma nwee uru pKa ihe dị ka 6.1. A maara MES monohydrate maka ikike ya ịnọgide na-enwe pH kwụsiri ike n'etiti 5.5 na 6.7, na-eme ka ọ dabara adaba maka ọtụtụ ojiji dịka ọmụmụ enzyme, nhicha protein, gel electrophoresis, ọdịbendị sel, na mmeghachi omume kemịkalụ. Ọdịiche ya na ndakọrịta ya na sistemụ ihe ndị dị ndụ na-eme ka ọ bụrụ ihe dị mkpa na ọtụtụ nnwale na usoro ụlọ nyocha.
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Alpha-D-Glucose pentaacetate CAS:3891-59-6
Alpha-D-glucose pentaacetate bụ kemịkalụ e nwetara site na ime ka otu hydroxyl nke alpha-D-glucose nwere otu acetyl ise dị iche iche pụta ìhè. A na-ejikarị ya eme ihe na njikọ organic dị ka otu nchebe maka otu hydroxyl dị na carbohydrates. Enwere ike iji ya dị ka ihe ntụaka na nyocha na nyocha kemịkalụ, yana dị ka ihe mmalite maka imepụta ọtụtụ ihe dị iche iche. Na mgbakwunye, a nyochaala glucose pentaacetate maka ojiji ya nwere ike na sistemụ nnyefe ọgwụ, n'ihi njirimara ntọhapụ ya a na-achịkwa.
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Tris-HCl CAS:1185-53-1 Ọnụahịa Onye Mmepụta
Tris-HCl, nke a makwaara dịka Tris hydrochloride, bụ ihe nchekwa biological nke a na-ejikarị eme ihe n'ọtụtụ ọrụ. Ọ bụ ngwakọta nke Tris (tris(hydroxymethyl)aminomethane) na hydrochloric acid. Sistemụ nchekwa a dị irè n'ịnọgide na-enwe gburugburu pH kwụsiri ike, karịsịa na oke pH 7-9. A na-ejikarị Tris-HCl eme ihe n'ọtụtụ usoro bayoloji molekul, biochemistry protein, enzymology, na ngwa biochemical ndị ọzọ. Ọ na-enyere aka ịnọgide na-enwe ọnọdụ pH kacha mma achọrọ maka usoro ndị a, na-ahụ na protein, enzymes, na nucleic acid kwụsiri ike na ọrụ. Tris-HCl dị n'ụdị dị iche iche, dị ka ntụ ntụ ma ọ bụ ngwọta siri ike, na-eme ka ọ dị mfe ịkwadebe na iji na ntọala ụlọ nyocha dị iche iche.
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N-ethyl-N-(3-sulfopropyl)-M-anisidinesodium CAS:82611-88-9
Nnu sodium N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline bụ ihe mejupụtara kemịkalụ nke nwere otu N-ethyl, otu sulfopropyl, na otu 3-methoxyaniline. Ọ na-adịkarị dị ka nnu sodium, nke na-eme ka ọ na-agbaze n'ime mmiri ka mma.
Ngwakọta a nwere ọtụtụ ojiji n'ebe ọrụ mmepụta ihe na nyocha. Enwere ike iji ya dị ka ihe na-agba agba, ihe na-akpali akpali, ma ọ bụ dị ka ihe na-eme ka ihe dị ndụ dị na ya. Njirimara ya, dị ka ịgbaze, nkwụsi ike, na mmeghachi omume, na-eme ka ọ dabara adaba maka ojiji ụfọdụ n'ọtụtụ ebe.
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2,3,4,6-TETRA-O-BENZOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE CAS:14218-11-2
2,3,4,6-Tetra-O-benzoyl-alpha-D-glucopyranosyl bromide bụ ihe mejupụtara kemịkalụ nke so na klas nke ihe ndị sitere na shuga. Ọ nwere molekul glucose nwere otu benzoyl anọ ejikọtara na otu hydroxyl ya, yana atọm bromide n'ọnọdụ anomeric.
A na-ejikarị ihe mejupụtara a eme ihe na kemịkalụ organic na ọgwụ dịka otu nchekwa maka ọrụ hydroxyl nke glucose. Otu benzoyl na-ezochi otu hydroxyl na-emegharị ahụ nwa oge, na-eme ka ha ghara inwe ike ịnweta mmeghachi omume kemịkalụ na-achọghị n'oge usoro mmepụta ihe. Nke a na-enye ohere maka nhọrọ ọrụ nke otu hydroxyl kpọmkwem na ihe ndị sitere na glucose.
Ọzọkwa, enwere ike iji ihe ndị sitere na glucose nke benzoyl chebere dị ka ihe owuwu maka imepụta glycosides na glycoconjugates dị iche iche. Glycosides bụ ihe mejupụtara nke njikọ nke molekul shuga na akụkụ ọzọ, dị ka ọgwụ ma ọ bụ ngwaahịa eke, ha na-achọtakwa ojiji na mmepe ọgwụ na bayoloji kemịkalụ.
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TOOS CAS:82692-93-1 Ọnụahịa Onye Mmepụta
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate bụ ihe mejupụtara kemịkalụ nke 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 protein denaturation, 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.
