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TOOS CAS: 82692-93-1 Igiciro cy'umukozi
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate ni ikintu kizwi cyane nka MESNa. Cyane cyane gikoreshwa nk'ikintu kigabanya imiterere y'umubiri muri biochimie na molekile. MESNa ifite ubushobozi bwo guca imigozi ya disulfide muri poroteyine, ikayihinduramo amatsinda ya sulfhydryl. Iyi nzira yo kugabanya ni ingenzi mu bikorwa bitandukanye nko guhindura imiterere ya poroteyine, gukumira kwivanga kwa poroteyine, gushyira poroteyine mu mwanya wayo, no kongera kwivanga kwa poroteyine. MESNa igira uruhare runini mu guhindura imiterere ya poroteyine, gusesengura no guhindura ubushakashatsi bwa siyansi.
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CAPSO Na CAS:102601-34-3 Igiciro cy'uruganda
CAPSO Na, izwi kandi nka 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic aside sodium salt, ni ikintu kiri mu muryango wa aside sulfonic. Ni zwitterionic buffer ikunze gukoreshwa mu bintu bitandukanye bya biochemical na molekile.
CAPSO Na ikora nk'ikintu kigenzura pH neza kandi ikoreshwa cyane mu buryo bwa buffer kugira ngo pH igumane ihamye mu rugero runaka. Ifite agaciro ka pKa ka kagera kuri 9.8 kandi ikunze gukoreshwa mu bushakashatsi busaba pH iri hagati ya 8.5 na 10.
Umunyu wa sodiyumu wa CAPSO (CAPSO Na) wongera ubushobozi bwo gushonga no koroshya kuyikoresha ugereranije n’uburyo bwa aside yigenga. Irashonga mu mazi kandi ikora neza ku buryo buhoraho ku bipimo bitandukanye, bigatuma yoroherwa no gukoreshwa mu buryo butandukanye muri laboratwari.
Zimwe mu ngamba zikunze gukoreshwa za CAPSO Na zirimo kuba uburyo bwo kugabanya ubukana mu buhanga bwa electrophoresis, isuzuma rya enzymes, gutunganya poroteyine, no gukwirakwiza imiterere y'uturemangingo. Ubushobozi bwayo bwo kugabanya ubukana no guhuza na sisitemu z'ibinyabuzima bigira uruhare mu gutuma igira akamaro muri izi nzego.
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2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate CAS:86520-63-0
2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate ni ikinyabutabire gikunze gukoreshwa mu mikorere ya karubohidrati na glycosylation. Ni ikintu gikomoka kuri α-D-galactopyranose, ubwoko bw'isukari, aho amatsinda ya hydroxyl ari ku myanya ya 2, 3, 4, na 6 y'impeta ya galactopyranose aterwa na acetylated. Byongeye kandi, karuboni ya anomeric (C1) y'isukari irinzwe n'itsinda rya trichloroacetimidate, bituma iba electrophile ikomeye mu gihe cy'imikorere ya glycosylation.
Iyi mvange ikunze gukoreshwa nk'ikintu gitera glycosylating kugira ngo ishyiremo galactose moieties mu tunyangingo dutandukanye, nka poroteyine, peptides, cyangwa molecule nto za organic. Ibi bishobora kugerwaho hakoreshejwe uburyo bwo guhuza iyi mvange na nucleophile (urugero, amatsinda ya hydroxyl kuri molecule ishakisha) mu bihe bikwiye. Itsinda rya trichloroacetimidate ryoroshya uburyo galactose moiety ifatana na molecule ishakisha, bigatuma habaho glycosidic bond.
Iyi mvange ikunze gukoreshwa mu gukora glycoconjugates, glycopeptides, na glycolipides. Itanga uburyo bukoreshwa kandi bufite akamaro mu guhindura molekile hamwe n’ibisigazwa bya galactose, bishobora kugira akamaro mu nzego zitandukanye, harimo inyigo z’ibinyabuzima, uburyo bwo gutanga imiti, cyangwa guteza imbere inkingo.
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AMPD CAS: 115-69-5 Igiciro cy'uruganda
2-Amino-2-methyl-1,3-propanediol, izwi kandi nka AMPD cyangwa α-methyl serinol, ni imvange y'ibinyabutabire ifite formula ya molekile C4H11NO2. Ni alcool y'amino ikunze gukoreshwa nk'igice cy'imiti mu gukora imiti n'ibinyabutabire by'umwimerere. AMPD izwiho ubushobozi bwo gukora nk'inyongera ya chiral mu gukora ibintu bidafite aho bihuriye, bigatuma igira akamaro mu gukora ibinyabutabire byuzuye enantiomeric. Byongeye kandi, yakoreshejwe nk'ikintu kigize ubwitonzi n'ibicuruzwa byo kwisiga kubera ubushobozi bwayo bwo koroshya ubushyuhe.
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Umunyu wa sodium wa MES CAS: 71119-23-8
Umunyu wa sodium wa MES, uzwi kandi nka 2-(N-morpholino)ethanesulfonic aside sodium salt, ni ikintu gikoreshwa mu gufunga. Ni aside ifite agaciro ka pKa ka kagera kuri 6.15. Umunyu wa sodium wa MES urashonga cyane mu mazi kandi urwego rwawo rwo gufunga rufite pH 5.5 kugeza 6.7. Ukoreshwa cyane mu bushakashatsi bwa biochemical na biological, ndetse no mu bikorwa bitandukanye bya chemical, gutunganya poroteyine, electrophoresis ya gel, inyigo za enzyme, n'igerageza ryo gukwirakwiza utunyangingo. Ubwoko bw'umunyu wa sodium bwongera ubushobozi bwo gushonga no kudahungabana kw'icyo kintu, bigatuma byoroha kugikoresha no kugikoresha muri laboratwari.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate ni ikintu kiva muri glucose, isukari yoroshye. Ikorwa na glucose ikora acetyl hamwe n'amatsinda atanu ya acetyl, bigatuma aya matsinda afatanya n'amatsinda ya hydroxyl (OH) ari muri molekile ya glucose. Uku guhinduka kwa glucose bituma irushaho gukomera kandi bigatuma ishonga mu bintu bikomoka ku binyabutabire.
Pentaacetate ya Beta-D-glucose ifite akamaro gatandukanye mu bijyanye na chimie y’ibinyabuzima, cyane cyane mu guhuza no guhindura karubohidrati. Ishobora kuba imbarutso cyangwa urwego rw’ibanze mu gutegura ibindi bikomoka kuri karubohidrati cyangwa ibinyabutabire bigoye. Byongeye kandi, yakoreshejwe mu buryo bumwe na bumwe mu buvuzi no mu buvuzi nko mu buryo bwo gutanga imiti no mu buryo bugenzurwa.
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aside 2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic CAS:7365-44-8
2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic aside, mu magambo ahinnye nka TES, ni ikintu gikoreshwa cyane nk'ikintu gifasha mu bushakashatsi bw'ibinyabuzima n'ubutabire. Nk'ikinyabutabire gikomoka kuri tris(hydroxymethyl)aminomethane (Tris), TES ishobora kugumana pH ihamye kuva kuri 6.8 kugeza kuri 8.2. Ikunze gukoreshwa mu buryo bw'uturemangingo, mu buryo bw'imisemburo, mu buryo bwa electrophoresis ya poroteyine, no mu bushakashatsi bwa ADN/RNA. TES irakora cyane kandi ni ingenzi mu kubungabunga imiterere myiza mu bushakashatsi n'ubuhanga butandukanye bwo muri laboratwari.
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piperazine-1,4-bis (aside 2-ethanesulfonike) umunyu wa disodium CAS: 76836-02-7
Disodium piperazine-1,4-diethanesulphonate ni ikinyabutabire gikunze gukoreshwa nk'ikintu gikingira kandi gitera imbaraga mu bintu bitandukanye bya siyansi n'ubuvuzi. Ni umunyu wa sodium w’umwimerere ukomoka kuri piperazine na aside diethanesulphonic.
Iyi mvange irashongesha cyane mu mazi kandi ifite ishusho y'umweru ya kristu. Izwiho ubushobozi bwayo bwo kugenzura pH, ifasha mu kubungabunga aside cyangwa alkali mu bisubizo mu rugero rwifuzwa.
Imwe mu mikoreshereze ikomeye ya disodium piperazine-1,4-diethanesulphonate ni mu bijyanye na electrophysiology na neurobiology. Ikunze gukoreshwa nk'igice cy'ibisubizo byo gufata amashusho ya electrophysiological hamwe n'uburyo bwo gukwirakwiza imiterere y'uturemangingo kugira ngo hakomeze kubaho ituze n'ubusugire bw'uturemangingo n'ingingo mu gihe cy'igerageza.
Byongeye kandi, iyi mvange yagaragaye ko ifite ingaruka zimwe na zimwe zo kurinda ubwonko no kurwanya antioxydants, bigatuma ishobora kuba ingirakamaro mu bushakashatsi bujyanye n'imikorere y'imitsi yo hagati n'imitsi ihumanya ikirere.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ni ikinyabutabire gikunze gukoreshwa mu bushakashatsi no mu isesengura rya biochemical. Ni ubwoko bw'isukari ikomoka kuri galactose. Iki kinyabutabire gikunze gukoreshwa nk'ishingiro ryo kumenya imikorere ya beta-galactosidase, enzyme iboneka mu binyabuzima byinshi, harimo na bagiteri. Iyo beta-galactosidase ihari, igabanya 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE muri naphthol na galactose. Molekyuli ya naphthol iboneka ishobora kumenyekana byoroshye binyuze mu kwinjiza urumuri rwa ultraviolet, bigatuma abahanga mu bya siyansi bapima imikorere ya beta-galactosidase. Iki gipimo gikunze gukoreshwa mu bushakashatsi ku binyabuzima bya molekile na genetics, nko kwiga uburyo gene ikoreshwa, poroteyine igaragara, n'ubushobozi bw'uturemangingo.
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TOPS CAS:40567-80-4 Igiciro cy'umukozi
Sodium 3- (N-ethyl-3-methylanilino)propanesulfonate ni imvange y’ibinyabutabire ifite imiterere ikomeye ya molekile. Ikunze gukoreshwa mu bikorwa bitandukanye bya siyansi n’ubushakashatsi. Iyi mvange ni ikomoka kuri sulfonate, izwiho gushonga kwayo mu mazi no mu bindi binyabutabire by’izuba. Ishobora gukoreshwa nk'inyunganizi cyangwa inyongera mu mikorere n'imikorere ya shimi. Bitewe n'imiterere yayo yihariye n'imiterere yayo, Sodium 3- (N-ethyl-3-methylanilino)propanesulfonate ikunze gukoreshwa mu guteza imbere imiti, amarangi, n'ibindi binyabutabire by’umwimerere.
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CHES Na CAS:103-47-9 Igiciro cy'uruganda
2- (Cyclohexylamino) aside ethanesulfonike ni imvange y'ibinyabutabire ifite formula ya molekile C10H21NO3S. Izwi kandi ku mfuruka yayo ya CHES. CHES ni ikomoka kuri aside sulfonic irimo itsinda rya amino n'itsinda rya aside sulfonic mu miterere yayo.
CHES ikunze gukoreshwa nk'ikintu gikingira mu bushakashatsi bwa biochemical na biological. Ifite pH ihamye kandi ikomeza ibidukikije bya pH, cyane cyane mu bice bya laboratwari birimo imikorere ya enzyme cyangwa inyigo za poroteyine. CHES ifite pKa ya 9.3, bigatuma iba igikoresho cyiza cyo kugabanya pH ya 9.
Imiterere yayo yihariye y’ibinyabutabire n’imiterere yayo ituma CHES igira akamaro mu bikorwa bitandukanye, nko mu gutegura ibisubizo bya buffer bya electrophoresis, ibizamini bya enzyme, n’ibijyanye no gukwirakwiza uturemangingo. Akenshi ikundwa mu bikorwa bisaba pH iri hagati ya 8.5 na 10.
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2,3,4,6-Tetra-O-benzyl-D-galactopyranose CAS:53081-25-7
2,3,4,6-Tetra-O-benzyl-D-galactopyranose ni imvange ikunze gukoreshwa mu gukora organic synthesis, cyane cyane mu bijyanye na carbohydrate chimie. Ikora nk'itsinda ririnda amatsinda ya hydroxyl ya galactose, rikumira ingaruka zitari ngombwa mu gihe cy'impinduka mu by'imiti. Imvange igizwe na molecule ya galactose ifite amatsinda ane ya benzyl afatanye n'amatsinda ya hydroxyl ku myanya ya 2, 3, 4, na 6 y'impeta ya galactose.
Kuba hariho amatsinda ya benzyl akingira amatsinda ya hydroxyl, bigatuma adakora, ariko agakomeza gukora neza kw'andi matsinda y'imikorere muri molekile. Ibi bituma habaho impinduka za galactose cyangwa izindi mpinduka zitagize ingaruka ku matsinda ya hydroxyl arinzwe.
2,3,4,6-Tetra-O-benzyl-D-galactopyranose ikunze gukoreshwa nk'igikoresho cyo gutangira gukora karubohidrati zikomeye, glycoconjugates, cyangwa ibindi bintu birimo ibisigazwa bya galactose. Ifite akamaro cyane mu mikorere ya glycosylation, aho ikora nk'umutanga glycosyl mwiza, yorohereza galactose gufatana na molekile zikira.
