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i-beta-D-Galactose pentaacetate CAS:4163-60-4
I-Beta-D-Galactose pentaacetate iyinhlanganisela yamakhemikhali etholakala ku-galactose, ushukela we-monosaccharide. Yakhiwa ngokufaka i-acetyl eqenjini ngalinye le-hydroxyl le-molecule ye-galactose enamaqembu amahlanu e-acetyl.
Le nhlanganisela ivame ukusetshenziswa njengesivikelo se-galactose ezinqubweni ezahlukahlukene zamakhemikhali kanye nokwenziwa. Ifomu le-pentaacetate lisiza ekuqiniseni i-galactose futhi livimbele ukusabela okungafuneki noma ukuguqulwa ngesikhathi sokusabela.
Ngaphezu kwalokho, le nhlanganisela ingasetshenziswa njengesandulela sokwenziwa kwezinye izinto ezitholakala ku-galactose. Amaqembu e-acetyl angasuswa ngokukhetha ukuze kutholakale izinto ezitholakala ku-galactose ezahlukene ezinamaqembu athile asebenzayo.
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5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide usawoti wesodium I-CAS:129541-41-9
Usawoti we-sodium i-5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide uyinhlanganisela yamakhemikhali evame ukusetshenziswa ocwaningweni nasekuxilongweni kwelabhorethri. Ivame ukubizwa ngokuthi i-X-Gluc futhi isetshenziswa kabanzi njengesisekelo sokuthola umsebenzi we-enzyme ye-beta-glucuronidase.
Uma i-beta-glucuronidase ikhona, ihlukanisa isibopho se-glucuronide ku-X-Gluc, okuholela ekukhululweni kwedayi eluhlaza okwesibhakabhaka ebizwa ngokuthi i-5-bromo-4-chloro-3-indolyl. Lokhu kusabela kuvame ukusetshenziselwa ukubona ngokubonakalayo noma nge-spectrophotometric ukubonakaliswa kwe-enzyme ye-beta-glucuronidase emaseli noma ezicutshini.
Uhlobo lwe-sodium salt lwe-X-Gluc luthuthukisa ukuncibilika kwalo ezixazululweni zamanzi, okwenza kube lula ukusetshenziswa kwalo ezivivinyweni zelebhu. I-X-Gluc isetshenziswa kakhulu ocwaningweni lwe-molecular biology ukuze kufundwe ukubonakaliswa kwezakhi zofuzo, umsebenzi we-promoter, kanye nokuhlolwa kwezakhi zofuzo ze-reporter. Ingasetshenziswa futhi ukuthola ukuba khona kwezinto eziphilayo ezikhiqiza i-beta-glucuronidase, njengebhaktheriya ethile, ezifundweni ze-microbiological.
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I-4-Nitrophenyl-beta-D-xylopyranoside CAS:2001-96-9
I-4-Nitrophenyl-beta-D-xylopyranoside iyi-substrate ye-chromogenic esetshenziswa ekuhlolweni kwe-enzyme ukuthola nokulinganisa umsebenzi wama-enzyme abizwa ngokuthi ama-beta-xylosidases.
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4-NITROPHENYL-ALPHA-D-MANNOPYRANOSIDE CAS:10357-27-4
I-4-Nitrophenyl-alpha-D-mannopyranoside iyinhlanganisela esetshenziswa ocwaningweni lwe-biochemistry kanye ne-molecular biology njengesisekelo sokuthola nokulinganisa umsebenzi we-enzyme.
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1,4-Dithioerythritol (DTE) CAS:6892-68-8
I-Dithioerythritol (DTE) iyinhlanganisela evame ukusetshenziswa ocwaningweni lwe-biochemical kanye ne-molecular biology. Iyi-ejenti yokunciphisa enamandla okuphula izibopho ze-disulfide, ezibalulekile ekwakheni nasekuzinzeni kwamaprotheni. I-DTE iwusizo kakhulu ekulungiseleleni amasampula kanye nokuhlanzwa kwamaprotheni njengoba isiza ukugcina amaprotheni ezimweni zawo ezinciphile nezisebenzayo. Ingasetshenziswa futhi ukuvikela amaqembu e-thiol kumaprotheni ekufakweni kwe-oxidation. Ngaphezu kwalokho, i-DTE inezakhiwo ze-antioxidant futhi ingasusa ama-free radicals, okwenza ibe yigugu ezivivinyweni ezahlukahlukene zokucindezeleka kwe-oxidative.
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I-Hydrogenated Tallowamine CAS: 61788-45-2
I-hydrogenated tallowamine iyinhlanganisela yamakhemikhali engowomndeni wama-amine. Itholakala ku-tallow, okungamafutha atholakala emithonjeni yezilwane. I-hydrogenated tallowamine ivame ukusetshenziswa ezimbonini ezahlukahlukene kanye nasezisetshenzisweni zayo ngenxa yezakhiwo zayo ze-surfactant.
Njenge-surfactant, i-hydrogenated tallowamine iyakwazi ukunciphisa ukucindezeleka koketshezi, okuvumela ukuthi kusabalale kalula nangokulinganayo. Lokhu kuyenza ibe yisithako esifiselekayo emikhiqizweni efana nezinsipho, izithambisi-ndwangu, kanye nezinto zokuhlanza, lapho kusiza khona ukuthuthukisa izakhiwo zokuhlanza nezokukhipha amagwebu. Ngaphezu kwalokho, i-hydrogenated tallowamine ingasebenza njenge-emulsifying agent, esiza ekuqiniseni izingxube zamafutha namanzi, noma ezinye izinto ezingaxutshwani. Lokhu kuyenza ibe wusizo ekwakhiweni kwezimonyo, upende, kanye nemikhiqizo yezolimo, lapho yenza kube lula ukusatshalaliswa ngokulinganayo kwezithako futhi kuthuthukise ukusebenza komkhiqizo jikelele.
