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ʻO Tapso Sodium CAS: 105140-25-8 Kumukūʻai Mea Hana
3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid,ʻO iahe mea hoʻopaʻa zwitterionic ma ke ʻano o ka paʻakai sodium. Hoʻohana pinepine ʻia ia i nā hoʻokolohua biochemical a me molecular biology no ka mālama ʻana i kahi pH paʻa i loko o nā hopena.It He mea hoʻoheheʻe loa ia i ka wai a he pKa kokoke i ka pH physiological, e kūpono ai no nā ʻano hana like ʻole e like me ka hoʻomaʻemaʻe protein, nā hoʻāʻo enzyme, ka moʻomeheu cell, a me ka electrophoresis. ʻO kona ʻano kemika kū hoʻokahi a me ka kūlike me nā ʻōnaehana olaola e lilo ia i mea nui i nā protocols laboratory like ʻole.
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4-Nitrophenyl phosphate di(tris) paʻakai CAS:68189-42-4
ʻO ka paʻakai 4-Nitrophenyl phosphate di(tris) kahi hui kemika i hoʻohana ʻia i ka noiʻi biochemical a me nā diagnostics. Hoʻohana pinepine ʻia ia ma ke ʻano he substrate no nā hoʻāʻo enzyme alkaline phosphatase. ʻO kēia paʻakai, i ka wā e hydrolyzed ʻia e ka alkaline phosphatase, e hana i kahi huahana melemele hiki ke ana maʻalahi ʻia spectrophotometrically. Hoʻohana nui ʻia kēia hopena i nā noi like ʻole, me nā hoʻāʻo immunosorbent enzyme-linked (ELISAs) a me ka ʻike ʻana i ka hana phosphatase. Pili pololei ka ikaika o ke kala melemele i ka hana enzyme, e ʻae ana i ka helu pololei ʻana o nā pae alkaline phosphatase i nā laʻana olaola. He paʻa ka paʻakai 4-Nitrophenyl phosphate di(tris), hiki ke hoʻoheheʻe ʻia i ka wai, a he koʻikoʻi loa ia, e lilo ia i koho kaulana no nā hoʻāʻo enzyme i ka noiʻi olaola a me ka lāʻau lapaʻau.
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Nitrotetrazolium polū klorido CAS: 298-83-9
ʻO ka Nitrotetrazolium blue chloride, i ʻike ʻia hoʻi ʻo NBT a i ʻole NBT-Cl, he hui kemika i hoʻohana pinepine ʻia i nā hoʻāʻo olaola a me biochemical. He pauka kristal melemele haʻahaʻa ia e hiki ke hoʻoheheʻe ʻia i ka wai.
Hoʻohana pinepine ʻia ʻo NBT ma ke ʻano he hōʻailona e ʻike ai i ke alo o nā radical superoxide a i ʻole nā enzymes e hana ana iā lākou. Hoʻololi ia i ke kala ke hoʻemi ʻia e nā radical superoxide, e huli ana mai ka melemele a i kahi formazan precipitate polū hohonu. Hoʻohana pinepine ʻia kēia hopena i nā hoʻokolohua e aʻo ai i ke kaumaha oxidative, ka hanu ʻana o ke kelepona, a me ka hana enzyme.
Hoʻohana pinepine ʻia ka NBT i nā ʻano hana like ʻole, e like me ka hoʻemi ʻana o ka nitroblue tetrazolium, e ʻike i ka hana ʻana o ka superoxide i loko o nā cell a me nā ʻiʻo. Ua hoʻohana ʻia hoʻi ia i ka immunohistochemistry a me ka histochemistry e ʻike a hoʻonoho i nā enzymes ʻē aʻe a me nā ʻāpana cellular.
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NSP-AS CAS:211106-69-3 Kumukūʻai Mea Hana
ʻO ka hui 3-[9-(((3-(carboxypropyl)[4-Methxylphenyl]sulfonyl)aMine)carboxyl]-10-acridiniuMyl)-1-propanesulfonate paʻakai o loko he molekala paʻakikī i haku ʻia me kahi ʻāpana acridinium i hoʻopili ʻia i kahi paʻakai o loko propanesulfonate. Loaʻa iā ia kahi hui carboxypropyl, kahi hui 4-Methxylphenylsulfonyl, a me kahi hui amine. Ua hoʻohuihui ʻia paha kēia hui no nā noi kikoʻī ma nā wahi e like me ke kemika, nā lāʻau lapaʻau, a i ʻole ka noiʻi.
Eia kekahi, ua hōʻike ʻo NAC i ka manaʻolana i ke kākoʻo ʻana i ke olakino o ke akepaʻa ma ke kōkua ʻana i ka wehe ʻana i nā mea ʻawahia, e like me ka acetaminophen, kahi mea hoʻomaha ʻeha maʻamau. Hiki iā ia ke loaʻa nā hopena pale e kūʻē i ka hōʻino ʻia o ke akepaʻa i hoʻokumu ʻia e ka inu ʻona.
Ma waho aʻe o kona mau waiwai antioxidant a me ke kākoʻo hanu, ua ʻimi ʻia ka NAC no kona mau pono kūpono i ke olakino noʻonoʻo. Hōʻike kekahi mau noiʻi he hopena maikaʻi paha ia i nā maʻi naʻau, e like me ke kaumaha a me ka maʻi obsessive-compulsive (OCD).
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L-Leucine p-nitroanilide hydrochloride CAS:16010-98-3
ʻO ka L-Leucine p-nitroanilide hydrochloride kahi hui kemika no ka hui o nā derivatives p-nitroanilide. He pauka crystalline keʻokeʻo a keʻokeʻo paha ia i hoʻohana pinepine ʻia i ka noiʻi biochemical a me nā hoʻāʻo enzyme.
Hoʻohana pinepine ʻia ka L-Leucine p-nitroanilide hydrochloride ma ke ʻano he substrate e ana i ka hana o nā enzymes e like me nā proteases a me nā peptidases. Ke hoʻokaʻawale kēia mau enzymes i ka L-Leucine p-nitroanilide hydrochloride, hoʻokuʻu ia i ka p-nitroaniline, hiki ke ʻike ʻia spectrophotometrically. ʻO ka wikiwiki o ka loli kala e pili pono ana i ka hana enzymatic, e ʻae ana i ka helu ʻana o ka hana enzyme i nā laʻana olaola.
He mea hoʻoheheʻe kēia hui i ka wai a hiki ke hoʻoheheʻe maʻalahi ʻia i loko o nā hopena buffer kūpono no ka hoʻohana ʻana i nā hoʻāʻo enzymatic. He mea nui e mālama i ka L-Leucine p-nitroanilide hydrochloride ma kahi anuanu a maloʻo e mālama i kona kūpaʻa.
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ʻO Guanidine Thiocyanate Sulfate CAS: 593-84-0
He hui kemika ʻo Guanidine thiocyanate sulfate i loaʻa mai nā guanidine, thiocyanate, a me nā ion sulfate. Hoʻohana nui ʻia ia i ka biology molecular a me ka noiʻi biochemistry ma ke ʻano he mea chaotropic.
Hoʻohana pinepine ʻia ʻo Guanidine thiocyanate sulfate i nā kaʻina hana hoʻokaʻawale DNA a me RNA e hoʻopilikia i nā membrane cellular a hoʻololi i nā protein, e ʻae ana i ka unuhi pono ʻana o nā waikawa nucleic. Kōkua ia i ka solubilization o DNA a me RNA, e hiki ai iā lākou ke hoʻokaʻawale a hoʻomaʻemaʻe mai nā ʻano laʻana olaola like ʻole.
Ma muli o kona mau waiwai chaotropic, kōkua ka guanidine thiocyanate sulfate i ka uhaki ʻana i ka hoʻopaʻa hydrogen a me nā pilina non-covalent ʻē aʻe, e hoʻomaʻamaʻa ana i ka hoʻokaʻawale ʻana o nā waikawa nucleic mai nā protein, lipids, a me nā ʻāpana cellular ʻē aʻe. Kōkua pū ia i ka pale ʻana i ka hana RNase, e hōʻoia ana i ka pono a me ka maʻemaʻe o nā waikawa nucleic i unuhi ʻia..
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BCIP-Toluidine)5-Bromo-4-chloro-3-indolylphosphate-p-toluidine paʻakai CAS:6578-06-9
ʻO BCIP-Toluidine, i ʻike ʻia hoʻi ʻo 5-Bromo-4-chloro-3-indolylphosphate-p-toluidine salt, he hui kemika i hoʻohana pinepine ʻia i ka biology molecular a me ka noiʻi biochemistry. Hoʻohana nui ʻia ia ma ke ʻano he substrate i nā enzyme-linked immunosorbent assays (ELISAs) a i ʻole nā ʻano hana hoʻoluʻu immunohistochemical e ʻike i ka hana alkaline phosphatase.
Ke hoʻokaʻawale ʻia ʻo BCIP-Toluidine e ka alkaline phosphatase, loaʻa iā ia kahi hopena hoʻololi kala, e hana ana i kahi precipitate polū-poni. ʻAe kēia hopena i ka nānā ʻana a me ka helu ʻana o ka hana alkaline phosphatase i loko o nā laʻana. Hiki ke ana ʻia ka ikaika o ke kala ma ke ʻano spectrophotometric a pili pono i ka hana enzyme.
ʻO ka hoʻohana ʻana o BCIP-Toluidine ma ke ʻano he substrate he mea maʻamau ia i nā noi e pili ana i ka lepili DNA a i ʻole RNA, e like me ka in situ hybridization (ISH) a i ʻole Southern and Northern blotting. Hāʻawi ia i kahi ala hilinaʻi a koʻikoʻi no ka ʻike ʻana i ke alo o nā waikawa nucleic i manaʻo ʻia i loko o nā laʻana.
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3-Aminophthalhydrazide CAS:521-31-3
He hui kemika ʻo 3-Aminophthalhydrazide me ke ʻano molekala C8H8N2O. Ua kapa ʻia ʻo ia he aminohydrazide derivative o ka waikawa phthalic. Aia kēia hui i kahi iwi kuamoʻo waikawa phthalic me ʻelua mau ʻātoma hydrogen i pani ʻia e kahi hui amino a me kahi hui hydrazine.
Loaʻa iā 3-Aminophthalhydrazide nā noi like ʻole ma ke kahua o ke kemika organik a me ka lāʻau lapaʻau. Hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻomaka i ka synthesis o nā hui lāʻau lapaʻau like ʻole a me nā kala. Eia kekahi, hoʻohana pinepine ʻia i ka hoʻomākaukau ʻana o nā kumu Schiff, he mau mea waena koʻikoʻi i ka synthesis organik.
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4-Aminoantipyrine CAS:83-07-8
ʻO 4-Aminoantipyrine, i ʻike ʻia hoʻi ʻo aminoantipyrine a i ʻole aminopyrine, he hui organik synthetic. Hoʻohana pinepine ʻia ia ma ke ʻano he reagent i ka kemika analytical a me ka ʻoihana lāʻau lapaʻau. ʻO kona ʻano kemika he apo ʻala me kahi hui amino (NH2) a me kahi hui pyrazolone, e lilo ia i hui versatile no nā noi like ʻole.
I loko o ke kemika analytical, hoʻohana nui ʻia ʻo 4-Aminoantipyrine ma ke ʻano he reagent chromogenic i nā assays colorimetric. Hoʻopili ia me kekahi mau mea, e like me nā phenols a me nā peroxides, e hana i nā hui kala e hiki ke ana ʻia spectrophotometrically. ʻO kēia waiwai e lilo ia i mea pono i nā assays like ʻole, me ka hoʻoholo ʻana o nā enzymes e like me peroxidase, glucose, a me amylase.
I ka ʻoihana lāʻau lapaʻau, ua hoʻohana ʻia ka 4-Aminoantipyrine ma ke ʻano he lāʻau analgesic a me antipyretic. .
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TAPS-NA CAS:91000-53-2 Kumukūʻai Mea Hana
ʻO ka paʻakai sodium N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, i ʻike ʻia hoʻi ʻo TAPS-Na, he hui kemika i hoʻohana pinepine ʻia ma ke ʻano he mea hoʻopaʻa i nā noi olaola a me nā biochemical like ʻole. He hui zwitterionic ia, ʻo ia hoʻi, he mau uku maikaʻi a maikaʻi ʻole, e kōkua ana i ka mālama ʻana i kahi pH paʻa i loko o nā hopena.
ʻO ka pae pH o TAPS-Na ma kahi o 7.7 a 9.1, e kūpono ana no nā noi e pono ai kahi ʻano pH alkaline iki. Hoʻohana pinepine ʻia ia i ka noiʻi protein a me ka enzyme, a me nā ʻano hana biology molecular e like me ka gel electrophoresis a me ka DNA sequencing.
Ma ke ʻano he paʻakai sodium, hiki ke hoʻoheheʻe ʻia ʻo TAPS-Na i ka wai, kahi e hiki ai ke hoʻomākaukau maʻalahi i nā hopena buffered. Ua kaulana ia no kona haʻahaʻa haʻahaʻa a me ka liʻiliʻi o ka hoʻopilikia ʻana me nā molekala olaola, e lilo ia i koho makemake ʻia no nā hoʻokolohua he nui.
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5,5-Dithiobis (ʻakika 2-nitrobenzoic) CAS: 69-78-3
ʻO 5,5-Dithiobis (2-nitrobenzoic acid), i ʻike ʻia hoʻi ʻo DTNB a i ʻole ka reagent a Ellman, he hui kemika i hoʻohana pinepine ʻia i ka noiʻi biochemical a me nā lāʻau lapaʻau. He pauka melemele, crystalline ia e hiki ke hoʻoheheʻe ʻia i ka wai a me nā mea hoʻoheheʻe organik.
Hoʻohana nui ʻia ʻo DTNB e ana i ka nui o nā hui sulfhydryl (-SH) i loko o nā protein a me nā peptides. Hoʻopili ka hui me nā thiols, e hopena ana i ka hoʻokumu ʻia ʻana o kahi disulfide i hui ʻia a hoʻokuʻu i ka 2-nitro-5-thiobenzoate, nona ke kala melemele hiki ke ana ʻia spectrophotometrically. Ma ka helu ʻana i ka ikaika o ke kala melemele, hiki ke kuhi i ka nui o nā thiols i loko o kahi laʻana. Hoʻohana pinepine ʻia kēia ʻano hana e aʻo i nā pilina protein-protein, ka pelu ʻana o ka protein, a me nā hopena enzymatic e pili ana i nā hui thiol.
Ma waho aʻe o ka helu ʻana o ka thiol, ua hoʻohana ʻia ʻo DTNB i nā noi ʻē aʻe, e like me ka loiloi ʻana i ke kūlana redox o nā cell, ke aʻo ʻana i ke kūpaʻa o nā hui metal-sulfur, a me ke ana ʻana i ka hana o nā enzymes like ʻole.
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PHENOLPHTALEIN MONOPHOSPHATE BIS (CYCLOHEXYLAMMONIUM) PAʻakai CAS: 14815-59-9
ʻO ka paʻakai Phenolphthalein monophosphate dicyclohexylammonium kahi hui kemika i loaʻa mai ka phenolphthalein, kahi hōʻailona pH i hoʻohana pinepine ʻia i nā hoʻonohonoho hoʻokolohua. Hoʻohana pinepine ʻia ke ʻano paʻakai dicyclohexylammonium o ka phenolphthalein monophosphate ma ke ʻano he reagent analytical i ka noiʻi biochemical a me ka molecular biology. Hoʻohana nui ʻia ia i nā hoʻokolohua a i ʻole nā assays e ʻike a ana i ke alo o kekahi mau enzymes, me nā mea e pili ana i ka ATP (adenosine triphosphate) hydrolysis a i ʻole nā hana phosphatase. ʻO kona mau waiwai kū hoʻokahi e lilo ia i mea hana pono i nā noiʻi ʻepekema e pili ana i ka enzyme kinetics a me nā kaʻina hana cellular..
