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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 kemịkalụ kemịkalụ nke sitere na klas nke mmepụta shuga.Ọ mejupụtara molekul glucose nwere otu benzoyl anọ jikọtara na otu hydroxyl ya, yana atom bromide na ọnọdụ anomeric.
A na-eji ọgwụ a eme ihe na kemịkalụ organic na ọgwụ dịka otu nchekwa maka ọrụ hydroxyl nke glucose.Otu benzoyl na-eje ozi na-ekpuchi otu hydroxyl reactive reactive, na-eme ka ha ghara ịdaba na mmeghachi omume kemịkalụ achọghị n'oge usoro sịntetik.Nke a na-enye ohere maka ịrụ ọrụ nke otu hydroxyl kpọmkwem n'ụdị glucose.
Ọzọkwa, enwere ike iji ihe ndị na-emepụta glucose na-echekwa benzoyl dị ka ihe mgbochi maka njikọ nke glycosides dị iche iche na glycoconjugates.Glycosides bụ ogige etolite site na njikọ nke molecule sugar na akụkụ ọzọ, dị ka ọgwụ ma ọ bụ ngwaahịa sitere n'okike, ha na-ahụkwa ngwa na mmepe ọgwụ na bayoloji kemịkal.
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POPSO CAS: 68189-43-5 Onye nrụpụta ọnụahịa
POPSO, nkenke maka Piperazine-N, N'-bis(2-hydroxypropanesulfonic acid) sesquisodium nnu, bụ ihe na-echekwa ihe nke a na-ejikarị na nyocha nke ndu na biochemical.Ọ na-enyere aka idowe ọkwa pH kwụsiri ike na ngwọta, ọkachasị n'ime oke pH physiological.A na-eji nnu PIPES sesquisodium eme ihe na omenala cell, protein biochemistry, electrophoresis, usoro ihe ọmụmụ ihe omimi, usoro nnyefe ọgwụ, na ndị ọzọ.Ikike ya ịchịkwa pH na-eme ka ọ bụrụ ngwá ọrụ bara uru na nyocha dị iche iche na ngwa mmepụta ihe.
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BES CAS: 10191-18-1 Onye nrụpụta ọnụahịa
N, N-Bis (hydroxyethyl) -2-aminoethanesulfonic acid, nke a makwaara dị ka BES ma ọ bụ N, N-Bis (2-hydroxyethyl) aminoethanesulfonic acid, bụ ngwakọta kemịkalụ nke a na-ejikarị dị ka onye na-echekwa ihe na ngwa sayensị dị iche iche na ụlọ ọrụ mmepụta ihe. .
BES bụ ngwakọta zwitterionic, nke pụtara na ọ nwere ma ebubo dị mma na nke na-adịghị mma n'ime nhazi ya.Ihe onwunwe a na-enye ya ohere ịnọgide na-enwe pH kwụsiri ike na ngwọta.
BES nwere uru pKa nke ihe dịka 7.4, na-eme ka ọ baa uru karịsịa maka ịdebe na ọkwa pH physiological.A na-ejikarị ya eme ihe na nyocha nke ndu na biochemical, dị ka nchacha protein, mmeghachi omume enzyme, na omenala cell, ebe idowe otu pH dị oke mkpa.
Na mgbakwunye, a na-eji BES eme ihe na usoro electrophoresis, ebe ọ na-enyere aka idowe pH dị mkpa maka nkewa na nyocha nke biomolecules ebubo, dị ka protein na acid nucleic.
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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 ihe mejupụtara kemịkalụ nke a na-ejikarị na kemịkalụ carbohydrate na mmeghachi omume glycosylation.Ọ bụ ihe nrụpụta nke α-D-galactopyranose, ụdị shuga, ebe otu hydroxyl dị na ọnọdụ 2, 3, 4, na 6 nke mgbanaka galactopyranose bụ acetylated.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 ogige ahụ eme ihe dị ka onye na-ahụ maka glycosylating iji webata moieties galactose n'ime ụmụ irighiri ihe dị iche iche, dị ka protein, peptides, ma ọ bụ obere ụmụ irighiri ihe.Enwere ike nweta nke a site na iji nucleophile meghachi omume a na onyinye (dịka ọmụmaatụ, otu hydroxyl na molekul ebumnuche) n'okpuru ọnọdụ kwesịrị ekwesị.Otu trichloroacetimidate na-eme ka ntinye nke moiety galactose dị na molekul ezubere iche, na-ebute nguzobe nke njikọ glycosidic.
A na-ejikarị ọgwụ a eme ihe na njikọ nke glycoconjugates, glycopeptides, na glycolipids.Ọ na-enye usoro dị iche iche na nke dị mma maka ịmegharị ụmụ irighiri ihe na ihe fọdụrụ na galactose, nke nwere ike ịba uru n'akụkụ dị iche iche, gụnyere ọmụmụ ihe ọmụmụ, usoro nnyefe ọgwụ, ma ọ bụ mmepe ọgwụ mgbochi.
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3- (N, N-dimethyldodecylamonio) propanesulfonate CAS: 14933-08-5
N- (2-Aminoethyl) morpholine, nke a makwaara dị ka AEM, bụ ngwakọta kemịkalụ nwere usoro ahịrị.Ọ nwere mgbanaka morpholine nwere otu aminoethyl jikọtara na otu n'ime atọm nitrogen ya.AEM bụ mmiri mmiri na-enweghị agba nke nwere isi njirimara.
AEM na-achọta ngwa na mpaghara ụlọ ọrụ dị iche iche.A na-eji ya eme ihe n'ụzọ bụ isi dị ka ihe mgbaze maka ogige organic n'ihi ọmarịcha ihe mgbaze ya.Na mgbakwunye, AEM na-arụ ọrụ dị ka ihe mgbochi corrosion na ụlọ ọrụ metụtara ihicha igwe, mmepụta mmanụ na gas, yana ọgwụgwọ mmiri.Ọ na-enyere aka ichebe ọla site na nchara na corrosion.
Ọzọkwa, AEM na-eje ozi dịka etiti kemịkalụ maka njikọ nke ọgwụ, agrochemicals, na kemịkalụ ọpụrụiche.A na-eji ya n'ọrụ na ihe mgbakwunye polymer iji meziwanye ihe nrapado nke mkpuchi, nrapado na mkpuchi.A na-ejikwa AEM dị ka onye na-edozi pH ma ọ bụ onye na-echekwa ihe na ụfọdụ usoro mmepụta ihe.
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MES monohydrate CAS: 145224-94-8
MES monohydrate bụ ụdị hydrated nke 4-Morpholineethanesulfonic acid (MES), onye na-echekwa ihe a na-ejikarị na nyocha nke ndu na biochemical.Ọ bụ ntụ ntụ kristal na-acha ọcha nke na-agbaze na mmiri ma nwee uru pKa gburugburu 6.1.A maara MES monohydrate maka ikike ya idowe pH kwụsiri ike na oke nke 5.5 ruo 6.7, na-eme ka ọ dabara maka ngwa dị iche iche dị ka ọmụmụ enzyme, ịdị ọcha protein, gel electrophoresis, ọdịbendị cell, na mmeghachi omume kemịkalụ.Ntughari ya na ndakọrịta ya na sistemu ndu na-eme ka ọ bụrụ akụkụ dị mkpa n'ọtụtụ nnwale na usoro ụlọ nyocha.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate bụ ngwakọta kemịkalụ nke sitere na glucose, shuga dị mfe.Emebere ya site na acetylating glucose na otu acetyl ise, na-ebute njikọ nke otu ndị a 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 ngwa dị iche iche na ngalaba nke kemịkalụ organic, ọkachasị na njikọ na mgbanwe nke carbohydrates.Ọ nwere ike ije ozi dị ka ihe mbido ma ọ bụ etiti na nkwadebe nke ihe ndị ọzọ sitere na carbohydrate ma ọ bụ ogige organic siri ike.Na mgbakwunye, ejirila ya na ụfọdụ ngwa ahụike na ọgwụ dịka sistemu nnyefe ọgwụ yana usoro ntọhapụ a na-achịkwa.
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Tris-HCl CAS: 1185-53-1 Onye nrụpụta ọnụahịa
Tris-HCl, nke a makwaara dị ka Tris hydrochloride, bụ ihe nchekwa ndụ a na-ejikarị na ngwa dị iche iche.Ọ bụ ngwakọta nke Tris (tris (hydroxymethyl)aminomethane) na hydrochloric acid.Usoro nchekwa a na-arụ ọrụ nke ọma n'ịdokwa ebe pH kwụsiri ike, ọkachasị na oke pH 7-9.A na-eji Tris-HCl eme ihe n'ọtụtụ ebe na usoro ihe ọmụmụ ihe ndụ, protein biochemistry, enzymology, na ngwa biochemical ndị ọzọ.Ọ na-enyere aka ịnọgide na-enwe ọnọdụ pH kachasị mma achọrọ maka usoro ndị a, na-eme ka nkwụsi ike na ọrụ nke protein, enzymes, na nucleic acid.Tris-HCl dị n'ụdị dị iche iche, dị ka ntụ ntụ ma ọ bụ ngwọta na-etinye uche, 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
N-Ethyl-N- (3-sulfopropyl) -3-methoxyaniline sodium nnu bụ ngwakọta kemịkalụ nke nwere otu N-ethyl, otu sulfopropyl, na otu 3-methoxyaniline.Ọ na-adịkarị dị ka nnu sodium, nke na-eme ka ọ ghara ịdị na mmiri.
Ngwakọta a nwere ngwa dị iche iche na ntọala ụlọ ọrụ na nyocha.Enwere ike iji ya mee ihe dị ka etiti agba agba, ihe na-akpali akpali, ma ọ bụ dị ka reagent na njikọ organic.Njirimara ya, dị ka solubility, nkwụsi ike, na reactivity, na-eme ka ọ dabara maka ngwa dị iche iche na mpaghara dị iche iche.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE bụ ngwakọta kemịkalụ a na-ejikarị eme nyocha na nyocha biochemical.Ọ bụ ihe sitere na galactose, ụdị shuga.A na-ejikarị ogige ahụ eme ihe dị ka mkpụrụ maka ịchọpụta ọrụ beta-galactosidase, enzyme dị na ọtụtụ ihe ndị dị ndụ, gụnyere nje bacteria. Mgbe beta-galactosidase dị, ọ na-agbaji 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE n'ime naphthol na galactose.Enwere ike ịchọpụta molekul naphthol nke na-esi na ya pụta ngwa ngwa site na mmịnye nke ìhè ultraviolet, na-enye ndị ọkà mmụta sayensị aka ịlele ọrụ beta-galactosidase.A na-ejikarị nyocha a na-eme nchọpụta ihe omimi nke mkpụrụ ndụ ihe nketa na mkpụrụ ndụ ihe nketa, maka ngwa dị ka ịmụ usoro nhazi mkpụrụ ndụ ihe nketa, okwu protein, na ike cell.
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TOOS CAS: 82692-93-1 Onye nrụpụta ọnụahịa
Sodium 3- (N-ethyl-3-methylanilino) -2-hydroxypropanesulfonate bụ ngwakọta kemịkalụ nke a na-akpọkarị MESna.A na-eji ya eme ihe n'ụzọ bụ isi dị ka onye na-ebelata ihe ndị dị na biochemistry na biology molecular.MESna nwere ikike imebi njikọ disulfide na protein, na-atụgharị ha ka ọ bụrụ otu sulfhydryl.Usoro mbelata a dị mkpa maka ngwa dị iche iche dị ka denaturation protein, na-egbochi nchịkọta protein, akara protein, na ntinyeghachi protein.MESna na-arụ ọrụ dị mkpa na njikwa protein, nyocha, na mgbanwe na nyocha sayensị.
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CAPSO Na CAS: 102601-34-3 Onye nrụpụta Ahịa
CAPSO Na, nke a makwaara dị ka 3- (cyclohexylamino) -2-hydroxy-1-propanesulfonic acid sodium salt, bụ ngwakọta nke ezinụlọ nke sulfonic acid.Ọ bụ ihe nchekwa zwitterionic a na-ejikarị na ngwa biochemical dị iche iche na usoro ihe ọmụmụ ihe ndụ.
CAPSO Na na-arụ ọrụ dị ka onye na-achịkwa pH dị irè ma na-eji ya eme ihe na nhazi ihe nchekwa iji nọgide na-enwe pH kwụsiri ike n'otu ebe.Ọ nwere uru pKa nke gburugburu 9.8 ma na-arụkarị ọrụ na nnwale nke chọrọ pH n'etiti 8.5 na 10.
Ụdị nnu sodium nke CAPSO (CAPSO Na) na-eme ka ọ dịkwuo mfe na ịdị mfe nke njikwa ma e jiri ya tụnyere ụdị acid free.Ọ bụ mmiri soluble na ngwa ngwa na-emepụta ngwọta kwụsiri ike na mkpokọta dị iche iche, na-eme ka ọ dabara maka ngwa ụlọ nyocha dị iche iche.
Ụfọdụ ngwa CAPSO Na na-agụnye ije ozi dị ka ihe nchekwa na usoro electrophoresis, nyocha enzyme, ịdị ọcha protein, na mgbasa ozi omenala cell.Ikike nchekwa ya na ndakọrịta ya na sistemu ndu na-enye aka na uru ya na mpaghara ndị a.
