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beta-D-Galactose pentaacetate CAS:4163-60-4
He hui kemika ka Beta-D-Galactose pentaacetate i loaʻa mai ka galactose, kahi kō monosaccharide. Hoʻokumu ʻia ia ma ka acetylating i kēlā me kēia hui hydroxyl o ka molekole galactose me ʻelima mau hui acetyl.
Hoʻohana pinepine ʻia kēia hui ma ke ʻano he mea pale no ka galactose i nā ʻano hana kemika like ʻole a me nā kaʻina hana synthetic. Kōkua ke ʻano pentaacetate i ka hoʻopaʻa ʻana i ka galactose a pale i nā hopena a i ʻole nā hoʻololi i makemake ʻole ʻia i ka wā o nā hopena.
Eia kekahi, hiki ke hoʻohana ʻia kēia hui ma ke ʻano he mea mua no ka synthesis o nā derivatives galactose ʻē aʻe. Hiki ke wehe koho ʻia nā hui acetyl e loaʻa ai nā derivatives galactose like ʻole me nā hui hana kikoʻī.
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5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide paʻakai sodium CAS:129541-41-9
ʻO ka paʻakai sodium 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide kahi hui kemika i hoʻohana pinepine ʻia i ka noiʻi hale hana a me nā diagnostics. Ua kapa pinepine ʻia ʻo X-Gluc a hoʻohana nui ʻia ma ke ʻano he substrate no ka ʻike ʻana i ka hana enzyme beta-glucuronidase.
Ke loaʻa ka beta-glucuronidase, ʻoki ia i ka pilina glucuronide ma X-Gluc, e hopena ana i ka hoʻokuʻu ʻia ʻana o kahi waihoʻoluʻu polū i kapa ʻia ʻo 5-bromo-4-chloro-3-indolyl. Hoʻohana pinepine ʻia kēia hopena e ʻike maka a spectrophotometric paha i ka hōʻike ʻana o ka enzyme beta-glucuronidase i loko o nā cell a i ʻole nā ʻiʻo.
Hoʻomaikaʻi ke ʻano paʻakai sodium o X-Gluc i kona solubility i loko o nā hopena wai, e hoʻomaʻalahi ana i kona hoʻohana ʻana i nā hoʻāʻo hoʻokolohua. Hoʻohana nui ʻia ʻo X-Gluc i ka noiʻi biology molecular e aʻo i ka hōʻike ʻana o ka gene, ka hana hoʻolaha, a me nā hoʻāʻo gene reporter. Hiki ke hoʻohana ʻia e ʻike i ke alo o nā meaola e hana ana i ka beta-glucuronidase, e like me kekahi mau bacteria, i nā haʻawina microbiological.
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4-Nitrophenyl-beta-D-xylopyranoside CAS:2001-96-9
ʻO 4-Nitrophenyl-beta-D-xylopyranoside kahi substrate chromogenic i hoʻohana ʻia i nā hoʻāʻo enzymatic e ʻike a ana i ka hana o nā enzymes i kapa ʻia ʻo beta-xylosidases.
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4-NITROPHENYL-ALPHA-D-MANNOPYRANOSIDE CAS:10357-27-4
ʻO 4-Nitrophenyl-alpha-D-mannopyranoside kahi hui i hoʻohana ʻia i ka biochemistry a me ka noiʻi biology molecular ma ke ʻano he substrate no ka ʻike ʻana a me ke ana ʻana o ka hana enzyme.
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1,4-Dithioerythritol (DTE) CAS:6892-68-8
ʻO Dithioerythritol (DTE) kahi hui i hoʻohana pinepine ʻia i ka noiʻi biochemical a me ka molecular biology. He mea hoʻemi ia i loaʻa ka hiki ke uhaki i nā pilina disulfide, he mea nui ia no ka hoʻonohonoho ʻana a me ke kūpaʻa o ka protein. He mea pono loa ka DTE i ka hoʻomākaukau ʻana i nā laʻana a me ka hoʻomaʻemaʻe ʻana i ka protein no ka mea kōkua ia i ka mālama ʻana i nā protein i ko lākou ʻano i hoʻemi ʻia a hana ʻia. Hiki ke hoʻohana ʻia e pale i nā hui thiol ma nā protein mai ka oxidation. Eia kekahi, loaʻa iā DTE nā waiwai antioxidant a hiki ke scavenge i nā radical free, e lilo ia i mea waiwai nui i nā hoʻokolohua oxidative stress like ʻole.
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ʻO ka Tallowamine Hydrogenated CAS: 61788-45-2
He hui kemika ka hydrogenated tallowamine no ka ʻohana amine. Loaʻa ia mai ka tallow, he momona i loaʻa mai nā kumu holoholona. Hoʻohana nui ʻia ka hydrogenated tallowamine i nā ʻoihana like ʻole a me nā noi ma muli o kona mau waiwai surfactant.
Ma ke ʻano he surfactant, hiki i ka hydrogenated tallowamine ke hōʻemi i ke kaomi ʻili o nā wai, e ʻae ana iā lākou e pālahalaha maʻalahi a like. ʻO kēia ka mea e makemake ʻia ai i nā huahana e like me nā detergents, nā mea palupalu lole, a me nā mea hoʻomaʻemaʻe, kahi e kōkua ai i ka hoʻomaikaʻi ʻana i nā waiwai hoʻomaʻemaʻe a me ka huʻa. Eia kekahi, hiki i ka hydrogenated tallowamine ke hana ma ke ʻano he mea emulsifying, e kōkua ana i ka hoʻopaʻa ʻana i nā hui ʻaila a me ka wai, a i ʻole nā hui immiscible ʻē aʻe. ʻO kēia ka mea e waiwai ai i ka hoʻokumu ʻana o nā mea hoʻonani, nā pena, a me nā huahana mahiʻai, kahi e hoʻomaʻamaʻa ai i ka hoʻolaha like ʻana o nā mea hoʻohui a hoʻomaikaʻi i ka hana holoʻokoʻa o ka huahana.
