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TOOS CAS:82692-93-1 Kumukūʻai Mea Hana
ʻO Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate kahi hui kemika i ʻike nui ʻia ʻo MESNa. Hoʻohana nui ʻia ia ma ke ʻano he mea hoʻemi i ka biochemistry a me ka biology molecular. Loaʻa iā MESNa ka hiki ke uhaki i nā pilina disulfide i loko o nā protein, e hoʻololi ana iā lākou i nā hui sulfhydryl. He mea nui kēia kaʻina hana hoʻemi no nā noi like ʻole e like me ka denaturation protein, ka pale ʻana i ka hōʻuluʻulu protein, ka lepili protein, a me ka hoʻopili hou ʻana o ka protein. He kuleana koʻikoʻi ko MESNa i ka hoʻoponopono ʻana i ka protein, ka nānā ʻana, a me ka hoʻololi ʻana i ka noiʻi ʻepekema.
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CAPSO Na CAS:102601-34-3 Kumukūʻai Mea Hana
ʻO CAPSO Na, i ʻike ʻia hoʻi ʻo 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid sodium salt, he hui ia no ka ʻohana o nā waikawa sulfonic. He zwitterionic buffer ia i hoʻohana pinepine ʻia i nā noi biochemical a me molecular biology like ʻole.
Hana ʻo CAPSO Na ma ke ʻano he mea hoʻoponopono pH kūpono a hoʻohana nui ʻia i nā ʻano buffer e mālama i kahi pH paʻa i kahi pae kikoʻī. Loaʻa iā ia kahi waiwai pKa ma kahi o 9.8 a hoʻohana pinepine ʻia i nā hoʻokolohua e koi ana i ka pH ma waena o 8.5 a me 10.
Hoʻonui ke ʻano paʻakai sodium o CAPSO (CAPSO Na) i ka solubility a me ka maʻalahi o ka lawelawe ʻana i hoʻohālikelike ʻia me ke ʻano waikawa manuahi. He wai hoʻoheheʻe ʻia i ka wai a hana maʻalahi i nā hopena paʻa ma nā ʻano like ʻole, e maʻalahi ai no nā noi hoʻokolohua like ʻole.
ʻO kekahi mau hoʻohana maʻamau o CAPSO Na e komo pū ana me ka lawelawe ʻana ma ke ʻano he buffer i nā ʻenehana electrophoresis, nā hoʻāʻo enzyme, ka hoʻomaʻemaʻe protein, a me nā media moʻomeheu cell. ʻO kona hiki ke buffering a me ka kūlike me nā ʻōnaehana olaola e kōkua i kona pono ma kēia mau kahua.
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2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate CAS:86520-63-0
ʻO 2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate kahi hui kemika i hoʻohana pinepine ʻia i ka kemika carbohydrate a me nā hopena glycosylation. He derivative ia o α-D-galactopyranose, kahi ʻano kō, kahi i acetylated ʻia ai nā hui hydroxyl ma nā kūlana 2, 3, 4, a me 6 o ke apo galactopyranose. Eia kekahi, ua pale ʻia ke kalapona anomeric (C1) o ke kō me kahi hui trichloroacetimidate, ka mea e lilo ai ia i electrophile ikaika i ka wā o nā hopena glycosylation.
Hoʻohana pinepine ʻia ka hui ma ke ʻano he mea glycosylating e hoʻokomo i nā ʻāpana galactose i loko o nā molekala like ʻole, e like me nā protein, peptides, a i ʻole nā molekala organik liʻiliʻi. Hiki ke hoʻokō ʻia kēia ma ka hoʻopili ʻana i kēia hui me kahi nucleophile (e laʻa, nā hui hydroxyl ma ka molekala pahuhopu) ma lalo o nā kūlana kūpono. Hoʻomaʻamaʻa ka hui trichloroacetimidate i ka hoʻopili ʻana o ka ʻāpana galactose i ka molekala pahuhopu, e hopena ana i ka hoʻokumu ʻia ʻana o kahi pilina glycosidic.
Hoʻohana pinepine ʻia kēia hui i ka hana ʻana o nā glycoconjugates, glycopeptides, a me glycolipids. Hāʻawi ia i kahi ʻano hana maʻalahi a kūpono hoʻi no ka hoʻololi ʻana i nā molekala me nā koena galactose, hiki ke pili i nā ʻano like ʻole, me nā haʻawina olaola, nā ʻōnaehana lawe lāʻau, a i ʻole ka hoʻomohala ʻana i ka lāʻau pale.
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AMPD CAS:115-69-5 Kumukūʻai Mea Hana
ʻO 2-Amino-2-methyl-1,3-propanediol, i ʻike ʻia hoʻi ʻo AMPD a i ʻole α-methyl serinol, he hui kemika me ke ʻano molekala C4H11NO2. He waiʻona amino ia i hoʻohana pinepine ʻia ma ke ʻano he kemika waena i ka synthesis o nā lāʻau lapaʻau a me nā hui organik. Ua ʻike ʻia ʻo AMPD no kona hiki ke hana ma ke ʻano he mea kōkua chiral i nā hopena asymmetric, e lilo ia i mea waiwai i ka hana ʻana o nā hui enantiomerically pure. Eia kekahi, ua hoʻohana ʻia ia ma ke ʻano he mea hoʻohui i ka mālama pilikino a me nā huahana hoʻonaninani no kona mau waiwai moisturizing.
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Paʻakai sodium MES CAS: 71119-23-8
ʻO ka paʻakai sodium MES, i ʻike ʻia hoʻi ʻo 2-(N-morpholino)ethanesulfonic acid sodium salt, he hui kemika i hoʻohana pinepine ʻia ma ke ʻano he buffering agent. He waikawa ia me ka waiwai pKa ma kahi o 6.15. He wai hoʻoheheʻe loa ka paʻakai sodium MES i ka wai a ʻo kona pae buffering kūpono ma kahi o pH 5.5 a 6.7. Hoʻohana nui ʻia ia i ka noiʻi biochemical a me biological, a me nā ʻano kemika like ʻole, ka hoʻomaʻemaʻe protein, ka electrophoresis gel, nā haʻawina enzyme, a me nā hoʻokolohua moʻomeheu cell. Hoʻonui ke ʻano paʻakai sodium i ka solubility a me ke kūpaʻa o ka hui, e maʻalahi ai ka lawelawe ʻana a me ka hoʻohana ʻana i nā hoʻonohonoho keʻena hoʻokolohua.
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beta-d-glucose pentaacetate CAS:604-69-3
ʻO Beta-D-glucose pentaacetate kahi hui kemika i loaʻa mai ka glucose, kahi kō maʻalahi. Hoʻokumu ʻia ia e ka acetylating glucose me ʻelima mau hui acetyl, e hopena ana i ka hoʻopili ʻana o kēia mau hui i nā hui hydroxyl (OH) i loko o ka molekole glucose. ʻO kēia hoʻololi ʻana o ka glucose e hāʻawi iā ia i ka paʻa i hoʻonui ʻia a hoʻolilo iā ia i mea hoʻoheheʻe i loko o nā mea hoʻoheheʻe organik.
Loaʻa i ka Beta-D-glucose pentaacetate nā noi like ʻole ma ke kahua o ke kemika organik, ʻoi aku hoʻi i ka synthesis a me ka hoʻololi ʻana o nā kalapona. Hiki iā ia ke lawelawe ma ke ʻano he precursor a i ʻole intermediate i ka hoʻomākaukau ʻana o nā derivatives carbohydrate ʻē aʻe a i ʻole nā hui organik paʻakikī. Eia kekahi, ua hoʻohana ʻia i kekahi mau noi lapaʻau a me nā lāʻau lapaʻau e like me nā ʻōnaehana lawe lāʻau a me nā ʻano hoʻokuʻu i kāohi ʻia.
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ʻAkika 2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic CAS:7365-44-8
ʻO ka 2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, i hoʻopōkole ʻia ʻo TES, he hui kemika i hoʻohana pinepine ʻia ma ke ʻano he mea hoʻopaʻa i ka noiʻi olaola a me ke kemika. Ma ke ʻano he waikawa sulfonic i loaʻa mai ka tris(hydroxymethyl)aminomethane (Tris), hiki iā TES ke mālama i kahi pae pH paʻa o 6.8 a 8.2. Hoʻohana pinepine ʻia ia i nā media moʻomeheu cell, nā hopena enzymatic, electrophoresis protein, a me ka noiʻi DNA/RNA. He mea maʻalahi loa ka TES a he mea nui ia no ka mālama ʻana i nā kūlana maikaʻi loa i nā hoʻokolohua a me nā ʻano hana like ʻole.
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piperazine-1,4-bis (2-ethanesulfonic acid) disodium paʻakai CAS: 76836-02-7
ʻO ka Disodium piperazine-1,4-diethanesulphonate kahi hui kemika i hoʻohana pinepine ʻia ma ke ʻano he mea hoʻopaʻa a me ka mea hoʻopaʻa i nā noi ʻepekema a me nā lāʻau lapaʻau like ʻole. He paʻakai sodium organik ia i loaʻa mai ka piperazine a me ka waikawa diethanesulphonic.
He mea hoʻoheheʻe loa kēia hui i ka wai a he ʻano kristal keʻokeʻo kona. Ua kaulana ia no kona mau waiwai hoʻoponopono pH, e kōkua ana i ka mālama ʻana i ka acidity a i ʻole ka alkalinity o nā hopena i loko o kahi pae i makemake ʻia.
ʻO kahi hoʻohana nui o ka disodium piperazine-1,4-diethanesulphonate ma ke kahua o ka electrophysiology a me ka neurobiology. Hoʻohana pinepine ʻia ia ma ke ʻano he ʻāpana o nā hopena hoʻopaʻa electrophysiological a me nā media moʻomeheu cell e mālama i ke kūpaʻa a me ka pono o nā cell a me nā ʻiʻo i ka wā o nā kaʻina hana hoʻokolohua.
Eia kekahi, ua ʻike ʻia kēia hui he mau hopena neuroprotective a me antioxidant, e lilo ana i mea pono i ka noiʻi e pili ana i ka ʻōnaehana nerve waena a me ke kaumaha oxidative.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
ʻO 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE kahi hui kemika i hoʻohana pinepine ʻia i ka noiʻi biochemical a me ka nānā ʻana. He mea ia i loaʻa mai ka galactose, kahi ʻano kō. Hoʻohana pinepine ʻia ka hui ma ke ʻano he substrate no ka ʻike ʻana i ka hana o ka beta-galactosidase, kahi enzyme i loaʻa i nā meaola he nui, me ka bacteria. Ke loaʻa ka beta-galactosidase, hoʻokaʻawale ia i ka 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE i loko o ka naphthol a me ka galactose. Hiki ke ʻike maʻalahi ʻia ka mole naphthol hopena ma o kona omo ʻana i ka mālamalama ultraviolet, e ʻae ana i nā kānaka ʻepekema e ana i ka hana o ka beta-galactosidase. Hoʻohana pinepine ʻia kēia assay i ka biology molecular a me ka noiʻi genetics, no nā noi e like me ke aʻo ʻana i ka hoʻoponopono gene, ka hōʻike ʻana o ka protein, a me ke ola o nā cell.
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TOPS CAS:40567-80-4 Kumukūʻai Mea Hana
He hui kemika ʻo Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate me kahi ʻano molekala paʻakikī. Hoʻohana nui ʻia ia i nā noi ʻepekema a me nā noiʻi like ʻole. He hui sulfonate derivative ka hui, i ʻike ʻia no kona solubility i ka wai a me nā solvents polar ʻē aʻe. Hiki ke hoʻohana ʻia ma ke ʻano he reagent a i ʻole additive i nā hopena kemika a me nā kaʻina hana. Ma muli o kona ʻano kūikawā a me nā waiwai, hoʻohana pinepine ʻia ʻo Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate i ka hoʻomohala ʻana i nā lāʻau lapaʻau, nā dyes, a me nā hui organik ʻē aʻe.
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CHES Na CAS:103-47-9 Kumukūʻai Mea Hana
ʻO ka 2-(Cyclohexylamino)ethanesulfonic acid kahi hui kemika me ke ʻano molekala C10H21NO3S. Ua ʻike ʻia hoʻi ia e kona pōkole CHES. ʻO CHES kahi huaʻōlelo sulfonic acid i loaʻa kahi hui amino a me kahi hui sulfonic acid i loko o kona ʻano.
Hoʻohana pinepine ʻia ʻo CHES ma ke ʻano he mea hoʻopaʻa i ka noiʻi biochemical a me biological. He pH-stable ia a mālama i kahi pH kūlike, ʻoi aku hoʻi i nā hoʻonohonoho hoʻokolohua e pili ana i nā hopena enzymatic a i ʻole nā haʻawina protein. Loaʻa iā CHES kahi pKa o 9.3, e lilo ia i mea hoʻopaʻa maikaʻi a puni ka pH 9.
ʻO kona ʻano kemika kū hoʻokahi a me nā waiwai e hoʻolilo iā CHES i mea pono i nā noi like ʻole, e like me ka hoʻomākaukau ʻana i nā hopena buffer no ka electrophoresis, nā hoʻāʻo enzyme, a me nā media moʻomeheu cell. Makemake pinepine ʻia no nā noi e koi ana i kahi pae pH o 8.5 a 10.
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2,3,4,6-Tetra-O-benzyl-D-galactopyranose CAS:53081-25-7
ʻO 2,3,4,6-Tetra-O-benzyl-D-galactopyranose kahi hui i hoʻohana pinepine ʻia i ka synthesis organik, ʻoi aku hoʻi ma ke kahua o ka kemika carbohydrate. Hana ia ma ke ʻano he hui pale no nā hui hydroxyl o galactose, kahi e pale ai i nā hopena makemake ʻole i ka wā o nā hoʻololi kemika. Aia ka hui i kahi molekole galactose me ʻehā mau hui benzyl i hoʻopili ʻia i nā hui hydroxyl ma nā kūlana 2, 3, 4, a me 6 o ke apo galactose.
ʻO ke alo o nā hui benzyl e pale aku i nā hui hydroxyl, e hoʻolilo iā lākou i mea hana ʻole, ʻoiai e mālama ana i ka hana o nā hui hana ʻē aʻe i loko o ka mole. Hiki i kēia ke hana i nā hoʻololi koho o ka galactose a i ʻole nā hoʻololi hou aʻe me ka ʻole o ka hoʻopilikia ʻana i nā hui hydroxyl i pale ʻia.
Hoʻohana pinepine ʻia ʻo 2,3,4,6-Tetra-O-benzyl-D-galactopyranose ma ke ʻano he mea hoʻomaka no ka hana ʻana o nā kalapona paʻakikī, nā glycoconjugates, a i ʻole nā hui ʻē aʻe i loaʻa nā koena galactose. He mea pono loa ia i nā hopena glycosylation, kahi e hana ai ma ke ʻano he mea hāʻawi glycosyl maikaʻi, e hoʻomaʻamaʻa ana i ka hoʻopili ʻana o ka galactose i nā molekala acceptor.
