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I-TOOS CAS: 82692-93-1 Ixabiso lomenzi
I-Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate yikhemikhali eyaziwa ngokuba yi-MESNa. Isetyenziswa kakhulu njenge-reducing agent kwi-biochemistry nakwi-molecular biology. I-MESNa inamandla okuqhawula ii-disulfide bonds kwiiproteni, iziguqule zibe ngamaqela e-sulfhydryl. Le nkqubo yokunciphisa ibalulekile kwiindlela ezahlukeneyo zokusetyenziswa ezifana nokuguqulwa kweproteni, ukuthintela ukuhlanganiswa kweproteni, ukulebhelwa kweproteni, kunye nokugoqeka kwakhona kweproteni. I-MESNa idlala indima ebalulekileyo ekulawuleni iiproteni, uhlalutyo, kunye nokuguqulwa kophando lwesayensi.
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I-CAPSO Na CAS:102601-34-3 Ixabiso lomenzi
I-CAPSO Na, ekwaziwa ngokuba yi-3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid sodium salt, yi-compound eyinxalenye yosapho lwee-sulfonic acids. Yi-zwitterionic buffer esetyenziswa kakhulu kwizicelo ezahlukeneyo ze-biochemical kunye ne-molecular biology.
I-CAPSO Na isebenza njengearhente esebenzayo yokulawula i-pH kwaye isetyenziswa kakhulu kwi-buffer formulations ukugcina i-pH ezinzileyo kuluhlu oluthile. Inexabiso le-pKa elimalunga ne-9.8 kwaye idla ngokusetyenziswa kwiimvavanyo ezifuna i-pH ephakathi kwe-8.5 ne-10.
Uhlobo lwetyuwa yesodiyam yeCAPSO (CAPSO Na) luphucula ukunyibilika kunye nokulula kokuphathwa xa kuthelekiswa nohlobo lwe-asidi ekhululekileyo. Inyibilika emanzini kwaye yenza izisombululo ezizinzileyo ngokulula kumanqanaba ahlukeneyo, nto leyo eyenza kube lula ukusetyenziswa kwiindlela ezahlukeneyo zelebhu.
Ezinye zeendlela eziqhelekileyo zokusetyenziswa kwe-CAPSO Na ziquka ukusebenza njenge-buffer kwiindlela ze-electrophoresis, uvavanyo lwee-enzyme, ukucocwa kweproteni, kunye ne-cell culture media. Amandla ayo okugcina kunye nokuhambelana neenkqubo zebhayoloji kunegalelo ekubeni iluncedo kwezi ndawo.
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2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate CAS:86520-63-0
I-2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate yikhemikhali esetyenziswa kakhulu kwi-carbohydrate chemistry kunye neempendulo ze-glycosylation. Yinto evela kwi-α-D-galactopyranose, uhlobo lweswekile, apho amaqela e-hydroxyl kwizikhundla ze-2, 3, 4, kunye ne-6 ze-galactopyranose ring afakwe i-acetylated. Ukongeza, i-anomeric carbon (C1) yeswekile ikhuselwe liqela le-trichloroacetimidate, elenza libe yi-electrophile enamandla ngexesha leempendulo ze-glycosylation.
Le compound idla ngokusetyenziswa njenge-glycosylating agent ukufaka ii-galactose moieties kwiimolekyuli ezahlukeneyo, ezifana neeproteni, iipeptides, okanye iimolekyuli ezincinci ze-organic. Oku kunokufezekiswa ngokusabela le compound nge-nucleophile (umz., amaqela e-hydroxyl kwimolekyuli ekujoliswe kuyo) phantsi kweemeko ezifanelekileyo. Iqela le-trichloroacetimidate lenza kube lula ukunamatheliswa kwe-galactose moiety kwimolekyuli ekujoliswe kuyo, nto leyo ekhokelela ekwakhekeni kwe-glycosidic bond.
Le khompawundi isetyenziswa kakhulu ekuhlanganiseni ii-glycoconjugates, ii-glycopeptides, kunye nee-glycolipids. Ibonelela ngendlela eguquguqukayo nesebenzayo yokuguqula iimolekyuli ezinee-galactose residues, ezinokuba luncedo kwiinkalo ezahlukeneyo, kubandakanya izifundo zebhayoloji, iinkqubo zokuhambisa amayeza, okanye uphuhliso lwe-vaccine.
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I-AMPD CAS: 115-69-5 Ixabiso lomenzi
I-2-Amino-2-methyl-1,3-propanediol, ekwaziwa ngokuba yi-AMPD okanye i-α-methyl serinol, yikhemikhali equlathe ifomula yemolekyuli i-C4H11NO2. Yi-amino alcohol esetyenziswa kakhulu njengekhemikhali ephakathi ekuhlanganiseni amayeza kunye neekhompawundi ze-organic. I-AMPD yaziwa ngokukwazi kwayo ukusebenza njenge-chiral assistant kwi-asymmetric reactions, nto leyo eyenza ukuba ibe luncedo ekuveliseni iikhompawundi ezicocekileyo ze-enantiomeric. Ukongeza, isetyenzisiwe njengesithako kwinkathalo yomntu kunye neemveliso zobuhle ngenxa yeempawu zayo zokuthambisa.
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Ityuwa yesodiyam ye-MES CAS: 71119-23-8
Ityuwa yesodiyam ye-MES, ekwaziwa ngokuba yi-2-(N-morpholino)ethanesulfonic acid sodium salt, yikhemikhali esetyenziswa kakhulu njenge-agent ye-buffering. Yi-asidi enexabiso le-pKa elimalunga ne-6.15. Ityuwa yesodiyam ye-MES iyanyibilika kakhulu emanzini kwaye uluhlu lwayo olusebenzayo lwe-buffering lumalunga ne-pH 5.5 ukuya kwi-6.7. Isetyenziswa kakhulu kuphando lwe-biochemical kunye ne-biological, kunye nakwiimpendulo ezahlukeneyo zeekhemikhali, ukucocwa kweproteni, i-gel electrophoresis, izifundo ze-enzyme, kunye novavanyo lwenkcubeko yeseli. Uhlobo lwetyuwa yesodiyam luphucula ukunyibilika kunye nozinzo lwekhompawundi, okwenza kube lula ukuyiphatha nokuyisebenzisa kwiindawo zelebhu.
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i-beta-d-glucose pentaacetate CAS: 604-69-3
I-Beta-D-glucose pentaacetate yikhemikhali ephuma kwi-glucose, iswekile elula. Yenziwa yi-acetylating glucose enamaqela amahlanu e-acetyl, nto leyo ebangela ukuba la maqela anamathele kumaqela e-hydroxyl (OH) akhoyo kwimolekyuli yeglucose. Olu tshintsho lwe-glucose luyinika uzinzo oluphuculweyo kwaye luyenze inyibilike kwi-organic solvents.
I-Beta-D-glucose pentaacetate inezicelo ezahlukeneyo kwicandelo le-organic chemistry, ngakumbi ekuhlanganiseni nasekuguquleni iicarbohydrate. Ingasebenza njengomanduleli okanye ophakathi ekulungiseleleni ezinye izinto eziphuma kwi-carbohydrate okanye ii-compounds ezintsonkothileyo ze-organic. Ukongeza, isetyenzisiwe kwezinye iinkqubo zonyango kunye namayeza ezifana neenkqubo zokuhambisa amayeza kunye neefomyula zokukhululwa ezilawulwayo.
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I-2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS:7365-44-8
I-2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, efinyeziweyo njenge-TES, yikhemikhali esetyenziswa kakhulu njenge-arhente yokukhusela kuphando lwebhayoloji kunye neekhemikhali. Njenge-sulfonic acid derivative ye-tris(hydroxymethyl)aminomethane (Tris), i-TES inokugcina uluhlu lwe-pH oluzinzileyo oluyi-6.8 ukuya kwi-8.2. Isetyenziswa rhoqo kwi-cell culture media, kwii-enzyme reactions, kwi-protein electrophoresis, nakwi-DNA/RNA research. I-TES iguquguqukayo kakhulu kwaye ibalulekile ekugcineni iimeko ezifanelekileyo kwiimvavanyo ezahlukeneyo zelebhu kunye neendlela.
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i-piperazine-1,4-bis (2-ethanesulfonic acid) ityuwa ye-disodium CAS:76836-02-7
I-Disodium piperazine-1,4-diethanesulphonate yikhemikhali esetyenziswa kakhulu njenge-arhente yokubopha kunye nokuzinzisa kwiindlela ezahlukeneyo zesayensi kunye nezonyango. Yityuwa yesodium yendalo ephuma kwi-piperazine kunye ne-diethanesulphonic acid.
Le khompawundi inyibilika kakhulu emanzini kwaye inembonakalo emhlophe yekristale. Yaziwa ngeempawu zayo zokulawula i-pH, inceda ukugcina i-acidity okanye i-alkalinity yezisombululo ngaphakathi koluhlu olufunekayo.
Enye indlela esetyenziswa kakhulu yi-disodium piperazine-1,4-diethanesulphonate kukwicandelo le-electrophysiology kunye ne-neurobiology. Ihlala isetyenziswa njengenxalenye yezisombululo zokurekhoda ze-electrophysiological kunye ne-cell culture media ukugcina uzinzo kunye nokuthembeka kweeseli kunye nezicubu ngexesha leenkqubo zovavanyo.
Ukongeza, le khompawundi ifunyenwe inemiphumo ethile yokukhusela imithambo-luvo kunye ne-antioxidant, nto leyo eyenza ukuba ibe luncedo kuphando olunxulumene nenkqubo yemithambo-luvo ephakathi kunye noxinzelelo lwe-oxidative.
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I-2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
I-2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE yikhemikhali esetyenziswa kakhulu kuphando lwebhayoloji kunye nohlalutyo. Yinto evela kwi-galactose, uhlobo lweswekile. Le khemikhali idla ngokusetyenziswa njengesiseko sokufumanisa umsebenzi we-beta-galactosidase, i-enzyme ekhoyo kwizinto ezininzi eziphilayo, kuquka neebhaktheriya. Xa i-beta-galactosidase ikhona, iqhekeza i-2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ibe yi-naphthol kunye ne-galactose. Imolekyuli ye-naphthol ephumayo inokubonwa ngokulula ngokufunxa kwayo ukukhanya kwe-ultraviolet, okuvumela izazinzulu ukuba zilinganise umsebenzi we-beta-galactosidase. Olu vavanyo lusetyenziswa rhoqo kwi-biology yeemolekyuli kunye nophando lwe-genetics, kwizicelo ezinje ngokufunda ukulawulwa kwezakhi zofuzo, ukubonakaliswa kweprotheni, kunye nokuphila kweeseli.
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I-TOPS CAS:40567-80-4 Ixabiso lomenzi
I-Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate yikhemikhali equlathe isakhiwo esintsonkothileyo semolekyuli. Isetyenziswa kakhulu kwizicelo ezahlukeneyo zesayensi nophando. Le compound yi-sulfonate derivative, eyaziwa ngokunyibilika kwayo emanzini nakwezinye izinyibilikisi ze-polar. Ingasetyenziswa njenge-reagent okanye isongezo kwiimpendulo kunye neenkqubo zeekhemikhali. Ngenxa yesakhiwo sayo esahlukileyo kunye neempawu zayo, i-Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate idla ngokusetyenziswa kuphuhliso lwamayeza, iidayi, kunye nezinye izinto eziphilayo.
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I-CHES Na CAS:103-47-9 Ixabiso lomenzi
I-2-(Cyclohexylamino)ethanesulfonic acid yikhemikhali equlethe ifomula yemolekyuli i-C10H21NO3S. Ikwaziwa ngesifinyezo sayo i-CHES. I-CHES sisiphumo se-sulfonic acid esiqulathe zombini iqela le-amino kunye neqela le-sulfonic acid kwisakhiwo sayo.
I-CHES isetyenziswa kakhulu njenge-arhente yokuthintela kuphando lwe-biochemical kunye ne-biological. Izinzile kwi-pH kwaye igcina imeko-bume ye-pH ehambelanayo, ngakumbi kwiindawo zelebhu ezibandakanya ii-enzyme reactions okanye izifundo zeproteni. I-CHES ine-pKa ye-9.3, nto leyo eyenza ukuba ibe yi-buffer esebenzayo malunga ne-pH ye-9.
Ulwakhiwo lwayo olukhethekileyo lweekhemikhali kunye neempawu zenza i-CHES ibe luncedo kwiindlela ezahlukeneyo zokusebenza, njengokulungiselela izisombululo ze-buffer ze-electrophoresis, uvavanyo lwe-enzyme, kunye ne-cell culture media. Ihlala ikhethwa kwiindlela ezifuna uluhlu lwe-pH oluyi-8.5 ukuya kwi-10.
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2,3,4,6-Tetra-O-benzyl-D-galactopyranose CAS:53081-25-7
I-2,3,4,6-Tetra-O-benzyl-D-galactopyranose yikhompawundi esetyenziswa kakhulu kwi-organic synthesis, ngakumbi kwicandelo le-carbohydrate chemistry. Isebenza njengeqela elikhuselayo lamaqela e-hydroxyl e-galactose, elithintela iimpendulo ezingafunekiyo ngexesha lokuguqulwa kweekhemikhali. Le khompawundi inemolekyuli ye-galactose enamaqela amane e-benzyl anamathele kumaqela e-hydroxyl kwiindawo 2, 3, 4, kunye ne-6 zeringi ye-galactose.
Ubukho bamaqela e-benzyl bukhusela amaqela e-hydroxyl, nto leyo ewenza angasebenzi, ngelixa kugcinwa ukwenzeka kwamanye amaqela asebenzayo kwi-molecule. Oku kwenza ukuba utshintsho olukhethiweyo lwe-galactose okanye utshintsho oluqhubekayo lwenzeke ngaphandle kokuchaphazela amaqela e-hydroxyl akhuselweyo.
I-2,3,4,6-Tetra-O-benzyl-D-galactopyranose isetyenziswa kakhulu njengesixhobo sokuqala ukwenziwa kweecarbohydrate ezintsonkothileyo, ii-glycoconjugates, okanye ezinye iikhompawundi eziqulethe iintsalela ze-galactose. Iluncedo kakhulu kwiimpendulo ze-glycosylation, apho isebenza njengomnikeli we-glycosyl osebenzayo, inceda ukunamatheliswa kwe-galactose kwiimolekyuli ze-acceptor.
