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I-Heppso sodium CAS: 89648-37-3 Ixabiso lomenzi
Ityuwa yesodium ye-N-[2-Hydroxyethyl]piperazine-N'-[2-hydroxypropanesulfonic acid] yikhemikhali equlathe ifomula ye-C8H19N2NaO4S. Yityuwa yesodium ephuma kwi-piperazine, equlethe amaqela asebenzayo e-hydroxyethyl kunye ne-hydroxypropanesulfonic acid. Isetyenziswa kakhulu kwishishini lamayeza njenge-arhente yokubopha kunye nokuzinzisa kwiifomyula zamayeza. Le khompawundi inceda ukugcina i-pH kunye nozinzo lwamayeza.
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I-P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS:4419-94-7
I-P-Nitrophenyl beta-D-lactopyranoside, ekwaziwa ngokuba yi-PNPG, yikhompawundi esetyenziswa rhoqo kwiimvavanyo ze-enzyme ukulinganisa umsebenzi we-beta-galactosidase, i-enzyme ebandakanyeka kwi-carbohydrate metabolism. I-PNPG yi-substrate yokwenziwa enokuqhekeka yi-beta-galactosidase, nto leyo ekhokelela ekukhutshweni kwemveliso enombala otyheli. Ubungakanani be-substrate hydrolysis bunokulinganiswa nge-spectrophotometric ngokulinganisa ukufunxwa kwemveliso kubude obuthile. Oku kuvumela abaphandi ukuba bavavanye umsebenzi kunye ne-kinetics ye-beta-galactosidase kwiimeko ezahlukeneyo, ezinje ngokufunda umsebenzi we-enzyme, ukuhlola ii-enzyme inhibitors okanye ii-activators, okanye ukuvavanya imiphumo ye-mutations kumsebenzi we-enzyme.
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popso sesquisodium CAS:108321-08-0
Ityuwa ye-Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) sesquisodium, ekwaziwa ngokuba yi-PIPES sesquisodium salt, yikhemikhali esetyenziswa njenge-arhente yokukhusela kwiindlela ezahlukeneyo zesayensi kunye nezoshishino. Inceda ukugcina inqanaba le-pH elizinzileyo kwizisombululo, ngakumbi kuluhlu lwe-pH yomzimba. Ityuwa ye-PIPES sesquisodium isetyenziswa rhoqo kwi-cell culture media, kwi-protein biochemistry, kwi-electrophoresis, kwiindlela ze-molecular biology, nakwiinkqubo zokuhambisa amayeza. Isebenza njengomlawuli we-pH kunye nophuculo lomsebenzi we-enzyme kunye nokuzinza, okwenza ukuba ibe luncedo kuluhlu olubanzi lophando kunye neenkqubo zoshishino.
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I-ACES CAS: 7365-82-4 Ixabiso lomenzi
I-N-(2-Acetamido)-2-aminoethanesulfonic acid, ekwaziwa ngokuba yi-ACES, sisixhobo sokukhusela esisetyenziswa kakhulu kuphando lwesayensi. Inceda ukugcina i-pH ezinzileyo kwizisombululo kwaye inyibilika kakhulu emanzini. I-ACES inetyhefu encinci kwaye ayiphazamisi kangako iinkqubo ze-biochemical, nto leyo eyenza ukuba ifaneleke kwiindlela ezahlukeneyo zokusebenza. Ihlala isetyenziswa njengesixhobo sokukhusela kwizifundo zokuzinzisa iiproteni kunye novavanyo lwee-enzyme, apho igcina khona iimeko ezifanelekileyo zokwakheka kweeproteni kunye nomsebenzi wee-enzyme.
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I-Phenylgalactoside CAS:2818-58-8
I-Phenylgalactoside, ekwaziwa ngokuba yi-p-nitrophenyl β-D-galactopyranoside (pNPG), sisixhobo esenziweyo esisetyenziswa rhoqo kwiimvavanyo zebhayoloji yebhayoloji kunye neyemolekyuli. Isetyenziswa kakhulu ukufumanisa nokulinganisa umsebenzi we-enzyme i-β-galactosidase.
Xa i-phenylgalactoside i-hydrolyzed yi-β-galactosidase, ikhupha i-p-nitrophenol, engumxube onombala otyheli. Ukukhululwa kwe-p-nitrophenol kunokulinganiswa ngokobungakanani kusetyenziswa i-spectrophotometer, njengoko ukufunxwa kwe-p-nitrophenol kunokubonwa kubude bobude be-405 nm.
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I-DIPSO CAS: 68399-80-4 Ixabiso lomenzi
I-DIPSO imele i-“Diisopropyl azodicarboxylate,” eyi-reagent esetyenziswa kakhulu kwi-organic chemistry. Isetyenziswa kakhulu kwi-Mitsunobu reaction, eyindlela yokuguqula ii-alcohols zibe ngamaqela ahlukeneyo asebenzayo afana nee-esters, ii-ether, okanye ii-amines. I-DIPSO isebenza njengomthombo we-intermediate esabela kakhulu ebizwa ngokuba yi-azodicarboxylate, enceda olu tshintsho.
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I-4-Nitrophenyl-beta-D-glucopyranoside CAS:2492-87-7
I-4-Nitrophenyl-beta-D-glucopyranoside yi-substrate esetyenziswa kakhulu kwiimvavanyo ze-biochemical ukuvavanya umsebenzi wee-enzymes ezifana ne-β-glucuronidase. Le khompawundi ihayidrolisisishwa yi-enzyme, nto leyo ekhokelela ekukhutshweni kwe-4-nitrophenol, enokulinganiswa kusetyenziswa i-spectrophotometry. Ukusetyenziswa kwayo kwenza abaphandi bakwazi ukufunda iinkalo ezahlukeneyo zemetabolism yamayeza, i-toxicology, kunye nokuxilongwa kweklinikhi okunxulumene neempendulo ze-glucuronidation.
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I-Tris maleate CAS:72200-76-1
I-Tris maleate yikhemikhali esebenza njenge-pH buffer kunye ne-adjuster kwimizi-mveliso eyahlukeneyo. Isetyenziselwa ukugcina amanqanaba e-pH azinzileyo kunye nokumelana notshintsho olubangelwa kukongeza ii-asidi okanye iziseko. I-Tris maleate isetyenziswa kakhulu kuphando lwe-biochemical, ukucoca iiproteni, iinkqubo zoshishino, kunye ne-analytical chemistry. Isebenza kakuhle kakhulu ekubutheni kwiindidi ze-pH ezisezantsi kwaye yaziwa ngokuguquguquka kwayo ekugcineni iimeko ze-pH ezifanelekileyo.
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I-MOBS CAS:115724-21-5 Ixabiso lomenzi
I-4-morpholin-4-ylbutane-1-sulfonic acid, ekwaziwa ngokuba yi-MOBI-S, yi-compound eyenziweyo yendalo esetyenziswa njenge-arhente yokukhusela kuphando lwebhayoloji kunye ne-biochemical. Izinzile kwaye inokugcina i-pH ezinzileyo kuluhlu olungathathi cala ukuya kolwe-alkaline kancinci.BI-S isetyenziswa kakhulu kwinkcubeko yeseli, uvavanyo lwee-enzyme, iindlela zebhayoloji yemolekyuli, kunye ne-electrophoresis. Ihambelana neendidi ezahlukeneyo zee-reagents kwaye yaziwa ngokuzinza kwayo kunye nokuchasana notshintsho kumaqondo obushushu kunye ne-pH.
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I-1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose CAS:4163-59-1
I-1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose yikhemikhali eyinxalenye yosapho lweecarbohydrate. Yinto evela kwi-alpha-D-galactopyranose, iswekile eyenzeka ngokwendalo. Le khemikhali inamaqela amahlanu e-acetyl anamathele kumaqela athile e-hydroxyl kwimolekyuli yeswekile. Isetyenziswa rhoqo kwiindlela ezahlukeneyo zeekhemikhali kunye nezamayeza, kuquka nezinto zokuqala zokwenziwa kwezinye iikhompawundi. Uhlobo lwayo lwe-acetylated luphucula uzinzo kunye nokusebenza kwayo, nto leyo eyenza ukuba ibe luncedo ekwakheni ikhemistri yendalo.
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I-POPSO CAS: 68189-43-5 Ixabiso lomenzi
I-POPSO, isishunqulelo se-Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) sesquisodium salt, sisixhobo sokukhusela esisetyenziswa kakhulu kuphando lwebhayoloji kunye ne-biochemical. Inceda ukugcina inqanaba le-pH elizinzileyo kwizisombululo, ngakumbi ngaphakathi koluhlu lwe-pH ye-physiological. I-PIPES sesquisodium salt isetyenziswa kwinkcubeko yeseli, i-protein biochemistry, i-electrophoresis, iindlela zebhayoloji ye-molecular, iinkqubo zokuhambisa amayeza, nokunye. Amandla ayo okulawula i-pH ayenza ibe sisixhobo esibalulekileyo kuphando olwahlukeneyo kunye nokusetyenziswa kwemizi-mveliso.
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I-BES CAS: 10191-18-1 Ixabiso lomenzi
I-N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic acid, ekwaziwa ngokuba yi-BES okanye i-N,N-Bis(2-hydroxyethyl)aminoethanesulfonic acid, yikhemikhali esetyenziswa kakhulu njenge-arhente yokubopha kwizicelo ezahlukeneyo zesayensi kunye nezoshishino.
I-BES yi-zwitterionic compound, oko kuthetha ukuba ineentlawulo ezilungileyo nezingalunganga ngaphakathi kwesakhiwo sayo. Le propati iyivumela ukuba igcine i-pH ezinzileyo kwizisombululo ngempumelelo.
I-BES inexabiso le-pKa elimalunga ne-7.4, nto leyo eyenza ukuba ibe luncedo kakhulu ekulinganiseni amanqanaba e-pH ye-physiological. Ihlala isetyenziswa kwiimvavanyo zebhayoloji kunye neze-biochemical, ezifana nokucocwa kweproteni, ukusabela kwee-enzyme, kunye nokukhula kweeseli, apho ukugcina i-pH ethile kubalulekile.
Ukongeza, i-BES isetyenziswa kakhulu kwiindlela ze-electrophoresis, njengoko inceda ukugcina i-pH efunekayo yokwahlula kunye nohlalutyo lwee-biomolecules ezitshajiweyo, ezifana neeproteni kunye nee-nucleic acids.
