-
Ngwa ngwa Violet B Nnu CAS:14726-28-4
Ngwa ngwa ngwa nke a na-eji agba agba nkịtị eme ihe n'ọtụtụ ebe. A na-ejikarị ya eme ihe n'ụlọ nyocha histology na microbiology dị ka ihe na-agba agba iji mee ka ihe ndị dị n'ime sel dịkwuo mma. Na mgbakwunye, ọ nwere ihe ndị na-egbochi nje ma ejirila ya n'oge gara aga dị ka ọgwụgwọ n'elu akpụkpọ ahụ maka ọrịa na ọnya. A na-ejikwa ngwa ngwa ngwa ngwa nke a na-eji agba agba n'ụlọ ọrụ dịka ákwà, mbipụta, akwụkwọ, na mmepụta ink..
-
4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside CAS:3459-18-5
4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside bụ ihe mejupụtara kemịkalụ a na-ejikarị eme nchọpụta bayoloji na molekul. Ọ bụ ihe a na-akpọkarị pNAG, nke a na-ejikarị eme nyocha enzymatic iji chọpụta ma tụọ ọrụ nke enzymes ndị na-eme ka njikọ β-D-glucoside dịghachi ndụ.
pNAG enweghị agba ma ọ bụ na-anaghị enwu enwu, mana mgbe ejiri hydrolysis mee ya site na enzymes ụfọdụ, ọ na-emepụta ngwaahịa agba odo, p-nitrophenol. Àgwà a na-eme ka pNAG baa uru maka ịchọpụta na ịtụle ọrụ nke enzymes dị ka β-glucosidases, nke na-akwalite nkewa nke njikọ β-D-glucoside.
-
AHMT CAS:1750-12-5 Ọnụahịa Onye Mmepụta
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol bụ ihe mejupụtara organic nwere usoro molekul nke C2H6N6S. Ọ bụ ntụ kristal na-acha odo odo ma a makwaara ya site na aha ndị ọzọ dịka AHHT, 4-AT, ma ọ bụ 5-Mercapto-3-aminotetrazole.
Ngwakọta a nwere ike iji ya mee ihe n'ọtụtụ ngalaba dị iche iche, gụnyere ọgwụ, ihe ọkụkụ, na kemịkalụ ihe. Enwere ike iji ya dị ka ihe owuwu maka njikọta nke ihe mgbagwoju anya ma ọ bụ dị ka ihe na-ebute ụzọ maka imepụta molekul ọhụrụ.
.
-
2,4-Dichlorobenzenediazonium tetrafluoroborate CAS:21872-70-8
2,4-Dichlorobenzenediazonium tetrafluoroborate bụ ihe mejupụtara kemịkalụ nke nwere mgbanaka benzene nke ejikọtara na otu ọrụ diazonium. A na-eji atọm chlorine dochie mgbanaka benzene na ọnọdụ nke 2 na 4. A na-agbakwunye nnu tetrafluoroborate iji mee ka nkwụsi ike na ịgbaze dịkwuo mma.
A na-ejikarị ihe mejupụtara a eme ihe n'ime ihe ndị sitere n'okike dịka ihe njikọta diazonium. Ọ nwere ike ịnweta mmeghachi omume njikọ diazonium na ọtụtụ ihe ndị sitere n'okike nucleophilic, dịka amines, phenols, na carbon nucleophiles. Mmeghachi omume ndị a na-eme ka e nwee ihe ndị na-esi ísì ụtọ, nke nwere ike itinye n'ọrụ na agba, agba, ọgwụ, na ngwaahịa ndị ọzọ sitere n'okike..
-
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 bụ kemịkalụ nke sitere na ezinụlọ carbohydrates. Ọ bụ ihe sitere na alpha-D-galactopyranose, shuga sitere n'okike. Ngwakọta a kpọmkwem nwere otu acetyl ise ejikọtara na otu hydroxyl kpọmkwem na molekul shuga. A na-ejikarị ya eme ihe na ọtụtụ ọgwụ kemịkalụ na ọgwụ, gụnyere dị ka ihe mmalite maka njikọta nke ihe ndị ọzọ. Ụdị acetylated ya na-eme ka nkwụsi ike na mmeghachi omume ya dịkwuo mma, na-eme ka ọ bụrụ ihe bara uru na kemịkalụ organic.
-
POPSO CAS:68189-43-5 Ọnụahịa Onye Mmepụta
POPSO, nke a na-akpọ Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) sesquisodium salt, bụ ihe na-egbochi ihe nchekwa nke a na-ejikarị eme nchọpụta bayọlọji na biochemical. Ọ na-enyere aka ịnọgide na-enwe ọkwa pH kwụsiri ike na ngwọta, karịsịa n'ime oke pH physiological. A na-eji PIPES sesquisodium nnu eme ihe na omenala sel, protein biochemistry, electrophoresis, usoro bayoloji molekul, sistemụ nnyefe ọgwụ, na ihe ndị ọzọ. Ike ya ịchịkwa pH na-eme ka ọ bụrụ ngwaọrụ bara uru na nyocha na ngwa ụlọ ọrụ dị iche iche.
-
BES CAS:10191-18-1 Ọnụahịa Onye Mmepụta
N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic acid, nke a makwaara dị ka BES ma ọ bụ N,N-Bis(2-hydroxyethyl)aminoethanesulfonic acid, bụ kemịkalụ a na-ejikarị eme ihe dị ka ihe nchekwa n'ọtụtụ ọrụ sayensị na ụlọ ọrụ mmepụta ihe.
BES bụ ihe mejupụtara zwitterionic, nke pụtara na o nwere ma chajị dị mma ma 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 dị ihe dịka 7.4, nke na-eme ka ọ baa uru karịsịa maka nchekwa na ọkwa pH nke anụ ahụ. A na-ejikarị ya eme ihe na nnwale bayọlọjik na nke kemịkalụ, dịka nhicha protein, mmeghachi omume enzyme, na ọdịbendị sel, ebe idobe pH kpọmkwem dị oke mkpa.
Ọzọkwa, a na-ejikarị BES eme ihe n'ọtụtụ usoro electrophoresis, ebe ọ na-enyere aka ịnọgide na-enwe pH dị mkpa maka nkewa na nyocha nke biomolecules chajị, dị ka protein na nucleic acid.
-
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.
-
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.
-
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.
-
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.
-
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.
