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Heppso konutai CAS:89648-37-3 Utu Kaihanga
Ko te tote konutai N-[2-Hydroxyethyl]piperazine-N'-[2-hydroxypropanesulfonic acid] he matū matū kei roto ko te tātai C8H19N2NaO4S. He tote konutai i ahu mai i te piperazine, kei roto ngā rōpū mahi hydroxyethyl me te hydroxypropanesulfonic acid. He mea whakamahi noa i roto i te umanga rongoā hei kaihoko ārai me te whakaū i roto i ngā hanganga rongoā. Ka āwhina tēnei matū ki te pupuri i te pH me te pumau o ngā rongoā.
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P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS:4419-94-7
Ko te P-Nitrophenyl beta-D-lactopyranoside, e mōhiotia ana ko te PNPG, he matū e whakamahia ana i roto i ngā whakamātautau whākōkī hei ine i te mahi a te beta-galactosidase, he whākōkī e uru ana ki te pākia o te warowaihā. Ko te PNPG he matū hangai ka taea te haehae e te beta-galactosidase, ka puta he hua kōwhai. Ka taea te ine i te nui o te waikura o te matū mā te ine i te mimiti o te hua i tētahi roangaru motuhake. Mā tēnei ka taea e ngā kairangahau te aromatawai i te mahi me te kinetics o te beta-galactosidase i roto i ngā horopaki rerekē, pērā i te ako i te mahi whākōkī, te tirotiro i ngā aukati whākōkī, ngā kaiwhakaoho rānei, te aromatawai rānei i ngā pānga o ngā whakarerekētanga ki te mahi whākōkī.
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popso sesquisodium CAS:108321-08-0
Ko te tote sesquisodium Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid), e mōhiotia ana ko te tote sesquisodium PIPES, he matū e whakamahia ana hei ārai i roto i ngā mahi pūtaiao me ngā mahi ahumahi. Ka āwhina i te pupuri i te taumata pH pumau i roto i ngā otinga, inā koa i roto i te awhe pH ā-tinana. He mea whakamahi noa te tote sesquisodium PIPES i roto i ngā pāpāho whakatipu pūtau, te matū koiora pūmua, te hikohiko, ngā tikanga koiora ngota, me ngā pūnaha tuku rongoā. Ka mahi hei kaiwhakahaere pH me te whakarei ake i te mahi me te pumau o ngā whākōkī, ka whai hua ai i roto i te whānuitanga o ngā tukanga rangahau me ngā mahi ahumahi.
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ACES CAS:7365-82-4 Utu Kaihanga
Ko te waikawa N-(2-Acetamido)-2-aminoethanesulfonic, e mōhiotia ana ko ACES, he mea e whakamahia whānuitia ana i roto i ngā rangahau pūtaiao. Ka āwhina i te pupuri i te pH pumau i roto i ngā otinga, ā, he tino wairewa i roto i te wai. He iti te paitini o te ACES, ā, he iti noa te pokanoa ki ngā tukanga matū koiora, he mea e tika ana mō ngā momo tono. He maha ngā wā ka whakamahia hei mea ārai i roto i ngā rangahau whakaū pūmua me ngā whakamātautau whākōkī, e pupuri ana i ngā āhuatanga tino pai mō te hanganga pūmua me te mahi whākōkī.
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Phenylgalactoside CAS:2818-58-8
Ko te Phenylgalactoside, e mōhiotia ana ko te p-nitrophenyl β-D-galactopyranoside (pNPG), he matū hangai e whakamahia whānuitia ana i roto i ngā whakamātautau koiora matū me te koiora ngota. He mea whakamahi noa hei kimi me te ine i te mahi a te whākōkī β-galactosidase.
Ina whakawhaia te phenylgalactoside e te β-galactosidase, ka tukuna te p-nitrophenol, he matū tae kōwhai. Ka taea te ine i te tukunga o te p-nitrophenol mā te whakamahi i te spectrophotometer, nā te mea ka taea te kite i te mimiti o te p-nitrophenol i te roanga ngaru o te 405 nm.
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DIPSO CAS:68399-80-4 Utu Kaihanga
Ko te tikanga o te DIPSO ko "Diisopropyl azodicarboxylate," he matū e whakamahia whānuitia ana i roto i te matū waro. Ka whakamahia nuitia i roto i te tauhohenga Mitsunobu, he tikanga mō te huri i ngā waipiro ki ngā rōpū mahi rerekē pērā i ngā esters, ethers, amines rānei. Ka mahi te DIPSO hei pūtake o tētahi takawaenga tino tauhohe e kiia nei ko te azodicarboxylate, e āwhina ana i tēnei huringa.
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4-Nitrophenyl-beta-D-glucopyranoside CAS:2492-87-7
Ko te 4-Nitrophenyl-beta-D-glucopyranoside he matū e whakamahia whānuitia ana i roto i ngā whakamātautau matū koiora hei aromatawai i te mahi a ngā whākōkī pēnei i te β-glucuronidase. Ka whakawhaiatia tēnei matū e te whākōkī, ka puta te tukunga o te 4-nitrophenol, ka taea te ine mā te whakamahi i te spectrophotometry. Mā tōna whakamahinga ka taea e ngā kairangahau te ako i ngā āhuatanga rerekē o te pākia o te rongoā, te paitini, me ngā tātaritanga haumanu e pā ana ki ngā tauhohenga glucuronidation.
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Tris maleate CAS:72200-76-1
He matū te Tris maleate e mahi ana hei ārai me te whakatikatika pH i roto i ngā ahumahi maha. E whakamahia ana hei pupuri i ngā taumata pH pumau me te ātete i ngā huringa i puta mai i te tāpiri o ngā waikawa, o ngā kawa rānei. E whakamahia whānuitia ana te Tris maleate i roto i ngā rangahau matū koiora, te purenga pūmua, ngā tukanga ahumahi, me te matū tātari. He tino whai hua ki te ārai i ngā awhe pH iti ake, ā, e rongonui ana mō tōna ngāwari ki te pupuri i ngā āhuatanga pH tino pai.
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MOBS CAS:115724-21-5 Utu Kaihanga
4-morpholin-4-ylbutane-1-sulfonic acid, e mōhiotia ana ko MOBKo te S, he matū waro hangai e whakamahia ana hei ārai i roto i ngā rangahau koiora me te matū koiora. He pumau, ā, ka taea te pupuri i te pH pumau i roto i te awhe kūpapa ki te paku kawakore. MOBE whakamahia whānuitia ana te S i roto i te whakatipu pūtau, ngā whakamātautau whākōkī, ngā tikanga koiora ngota, me te hikohiko. He hototahi ki ngā momo matū, ā, e mōhiotia ana mō tōna pumau me te ātete ki ngā huringa o te pāmahana me te pH.
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1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose CAS:4163-59-1
Ko te 1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose he matū matū nō te whānau warowaihā. He mea hanga mai i te alpha-D-galactopyranose, he huka tūturu. E rima ngā rōpū acetyl o tēnei matū motuhake e piri ana ki ngā rōpū hydroxyl motuhake i runga i te ngota huka. He mea whakamahi noa i roto i ngā tono matū me ngā rongoā, tae atu ki te mea hei rauemi tīmatanga mō te hanga i ētahi atu matū. Ko tōna āhua acetylated ka whakarei ake i tōna pumau me tōna tauhohenga, ka waiho hei poraka hanga whai hua i roto i te matū waro.
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POPSO CAS:68189-43-5 Utu Kaihanga
Ko te POPSO, he whakarāpopototanga mō te tote sesquisodium Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) he mea ārai e whakamahia whānuitia ana i roto i ngā rangahau koiora me te matū koiora. Ka āwhina i te pupuri i te taumata pH pumau i roto i ngā otinga, inā koa i roto i te awhe pH ā-tinana. Ka whakamahia te tote sesquisodium PIPES i roto i te ahurea pūtau, te matū matū pūmua, te hikohiko, ngā tikanga koiora ngota, ngā pūnaha tuku rongoā, me ētahi atu. Nā tōna kaha ki te whakahaere i te pH ka waiho hei taputapu whai hua i roto i ngā rangahau me ngā tono ahumahi.
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BES CAS:10191-18-1 Utu Kaihanga
Ko te waikawa N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic, e mōhiotia ana ko te BES, ko te waikawa N,N-Bis(2-hydroxyethyl)aminoethanesulfonic rānei, he matū e whakamahia whānuitia ana hei ārai i roto i ngā mahi pūtaiao me ngā mahi ahumahi.
He matū zwitterionic te BES, arā, he rua ngā utu pai, rua hoki ngā utu kino i roto i tōna hanganga. Mā tēnei āhuatanga ka taea e ia te pupuri i te pH pumau i roto i ngā otinga.
Ko te uara pKa o te BES he tata ki te 7.4, ā, he tino whai hua mō te pupuri i ngā taumata pH ā-tinana. He maha ngā wā ka whakamahia i roto i ngā whakamātautau koiora me te matū koiora, pērā i te purenga pūmua, ngā tauhohenga whākōkī, me te ahurea pūtau, ina he mea nui te pupuri i tētahi pH motuhake.
Hei tāpiritanga, e whakamahia whānuitia ana te BES i roto i ngā tikanga hikohiko, nā te mea ka āwhina i te pupuri i te pH e tika ana mō te wehenga me te tātari i ngā koiora ngota kua utaina, pērā i ngā pūmua me ngā waikawa karihi.
