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TOOS CAS: 82692-93-1 Mtengo wa Wopanga
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate ndi mankhwala omwe amadziwika kuti MESNa. Amagwiritsidwa ntchito makamaka ngati chochepetsera mu biochemistry ndi molecular biology. MESNa imatha kuswa ma disulfide bond mu mapuloteni, kuwasandutsa magulu a sulfhydryl. Njira yochepetsera iyi ndi yofunika kwambiri pa ntchito zosiyanasiyana monga kusintha kwa mapuloteni, kupewa kusonkhana kwa mapuloteni, kulemba ma protein, ndi kubwereranso kwa mapuloteni. MESNa imagwira ntchito yofunika kwambiri pakusintha mapuloteni, kusanthula, ndi kusintha kafukufuku wasayansi.
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CAPSO Na CAS:102601-34-3 Mtengo wa Wopanga
CAPSO Na, yomwe imadziwikanso kuti 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid sodium salt, ndi mankhwala omwe ali m'gulu la ma sulfonic acid. Ndi zwitterionic buffer yomwe imagwiritsidwa ntchito kwambiri m'magwiritsidwe osiyanasiyana a biochemical ndi molecular biology.
CAPSO Na imagwira ntchito ngati chothandizira chowongolera pH ndipo imagwiritsidwa ntchito kwambiri mu buffer formulations kuti pH ikhale yokhazikika mu mtundu winawake. Ili ndi pKa value ya pafupifupi 9.8 ndipo nthawi zambiri imagwiritsidwa ntchito mu zoyeserera zomwe zimafuna pH pakati pa 8.5 ndi 10.
Mchere wa sodium wa CAPSO (CAPSO Na) umathandiza kusungunuka ndi kusamalidwa mosavuta poyerekeza ndi mtundu wa asidi waulere. Umasungunuka m'madzi ndipo umapanga mayankho okhazikika pamlingo wosiyanasiyana, zomwe zimapangitsa kuti ukhale wosavuta kugwiritsa ntchito m'ma laboratories osiyanasiyana.
Ntchito zina zomwe CAPSO Na imagwiritsidwa ntchito kwambiri ndi monga chotetezera mu njira za electrophoresis, kuyesa ma enzyme, kuyeretsa mapuloteni, ndi njira zosungira maselo. Mphamvu yake yotetezera komanso kugwirizana kwake ndi machitidwe a zamoyo zimathandiza kuti ikhale yothandiza m'magawo awa.
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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 ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu carbohydrate chemistry ndi glycosylation reactions. Ndi chinthu chochokera ku α-D-galactopyranose, mtundu wa shuga, komwe magulu a hydroxyl omwe ali pamalo a 2, 3, 4, ndi 6 a galactopyranose ring amakhala acetylated. Kuphatikiza apo, anomeric carbon (C1) ya shuga imatetezedwa ndi gulu la trichloroacetimidate, zomwe zimapangitsa kuti ikhale electrophile yamphamvu panthawi ya glycosylation reactions.
Kawirikawiri mankhwalawa amagwiritsidwa ntchito ngati glycosylating agent kuti alowetse ma galactose moieties m'mamolekyu osiyanasiyana, monga mapuloteni, ma peptide, kapena mamolekyu ang'onoang'ono achilengedwe. Izi zitha kuchitika pochita izi ndi nucleophile (monga magulu a hydroxyl pa molekyulu yomwe mukufuna) pansi pa mikhalidwe yoyenera. Gulu la trichloroacetimidate limathandizira kuti galactose moiety igwirizane ndi molekyulu yomwe mukufuna, zomwe zimapangitsa kuti pakhale glycosidic bond.
Mankhwalawa amagwiritsidwa ntchito kwambiri popanga ma glycoconjugates, ma glycopeptides, ndi ma glycolipids. Amapereka njira yosinthasintha komanso yothandiza yosinthira mamolekyu okhala ndi zotsalira za galactose, zomwe zingakhale zofunikira m'magawo osiyanasiyana, kuphatikiza maphunziro a zamoyo, njira zoperekera mankhwala, kapena kupanga katemera.
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AMPD CAS: 115-69-5 Mtengo wa Wopanga
2-Amino-2-methyl-1,3-propanediol, yomwe imadziwikanso kuti AMPD kapena α-methyl serinol, ndi mankhwala omwe ali ndi formula ya molekyulu C4H11NO2. Ndi amino alcohol yomwe imagwiritsidwa ntchito kwambiri ngati mankhwala pakati pa kupanga mankhwala ndi mankhwala achilengedwe. AMPD imadziwika ndi kuthekera kwake kugwira ntchito ngati chothandizira cha chiral mu zochita zosafanana, zomwe zimapangitsa kuti ikhale yothandiza popanga mankhwala oyera a enantiomerically. Kuphatikiza apo, yagwiritsidwa ntchito ngati chosakaniza mu chisamaliro chaumwini ndi zinthu zodzikongoletsera chifukwa cha mphamvu zake zonyowetsa.
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MES sodium salt CAS: 71119-23-8
MES sodium salt, yomwe imadziwikanso kuti 2-(N-morpholino)ethanesulfonic acid sodium salt, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera. Ndi asidi wokhala ndi pKa pafupifupi 6.15. MES sodium salt imasungunuka kwambiri m'madzi ndipo kuchuluka kwake koteteza kumakhala pafupifupi pH 5.5 mpaka 6.7. Imagwiritsidwa ntchito kwambiri mu kafukufuku wa biochemical ndi biological, komanso muzochita zosiyanasiyana za mankhwala, kuyeretsa mapuloteni, gel electrophoresis, maphunziro a enzyme, ndi kuyesa kwa maselo. Mchere wa sodium umawonjezera kusungunuka ndi kukhazikika kwa mankhwalawo, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito ndikugwiritsa ntchito m'malo ochitira labotale.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate ndi mankhwala omwe amachokera ku shuga, shuga wosavuta. Amapangidwa ndi shuga wosakaniza ndi magulu asanu a acetyl, zomwe zimapangitsa kuti maguluwa azigwirizana ndi magulu a hydroxyl (OH) omwe ali mu molekyulu ya shuga. Kusintha kwa shuga kumeneku kumapangitsa kuti ikhale yolimba komanso kumapangitsa kuti isunthe mu zinthu zachilengedwe.
Beta-D-glucose pentaacetate imagwiritsidwa ntchito mosiyanasiyana m'munda wa organic chemistry, makamaka pakupanga ndi kusintha chakudya. Itha kugwira ntchito ngati choyambira kapena chapakati pakukonzekera zinthu zina zotumphukira m'zakudya kapena zinthu zovuta za organic. Kuphatikiza apo, yagwiritsidwa ntchito m'mafakitale ena azachipatala ndi azamankhwala monga njira zoperekera mankhwala ndi njira zowongolera zotulutsira.
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2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS:7365-44-8
2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, yomwe imafupikitsidwa kuti TES, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera mu kafukufuku wa zamoyo ndi mankhwala. Monga sulfonic acid yochokera ku tris(hydroxymethyl)aminomethane (Tris), TES imatha kusunga pH yokhazikika ya 6.8 mpaka 8.2. Imagwiritsidwa ntchito nthawi zambiri mu cell culture media, enzyme reactions, protein electrophoresis, ndi kafukufuku wa DNA/RNA. TES ndi yosinthika kwambiri komanso yofunika kwambiri pakusunga mikhalidwe yabwino kwambiri muzoyesera ndi njira zosiyanasiyana za labotale.
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piperazine-1,4-bis(2-ethanesulfonic acid) disodium salt CAS:76836-02-7
Disodium piperazine-1,4-diethanesulphonate ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera komanso chokhazikika m'magwiritsidwe osiyanasiyana asayansi ndi azachipatala. Ndi mchere wa sodium wachilengedwe wochokera ku piperazine ndi diethanesulphonic acid.
Mankhwalawa amasungunuka kwambiri m'madzi ndipo amawoneka ngati makristalo oyera. Amadziwika ndi mphamvu zake zowongolera pH, zomwe zimathandiza kusunga acidity kapena alkalinity ya mayankho mkati mwa mulingo womwe mukufuna.
Ntchito imodzi yayikulu ya disodium piperazine-1,4-diethanesulphonate ndi mu gawo la electrophysiology ndi neurobiology. Nthawi zambiri imagwiritsidwa ntchito ngati gawo la mayankho ojambulira ma electrophysiological ndi njira zochizira maselo kuti maselo ndi minofu zikhale zokhazikika komanso zodalirika panthawi yoyeserera.
Kuphatikiza apo, mankhwalawa apezeka kuti ali ndi zotsatira zina zoteteza mitsempha ndi antioxidant, zomwe zimapangitsa kuti ikhale yothandiza pa kafukufuku wokhudzana ndi dongosolo la mitsempha yayikulu komanso kupsinjika kwa okosijeni.
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2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE CAS:312693-81-5
2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pofufuza ndi kusanthula za biochemical. Ndi ochokera ku galactose, mtundu wa shuga. Mankhwalawa nthawi zambiri amagwiritsidwa ntchito ngati gawo lodziwira ntchito ya beta-galactosidase, enzyme yomwe imapezeka m'zamoyo zambiri, kuphatikizapo mabakiteriya. Pamene beta-galactosidase ilipo, imadula 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE kukhala naphthol ndi galactose. Molekyu ya naphthol yomwe imachokera imatha kuzindikirika mosavuta poyamwa kuwala kwa ultraviolet, zomwe zimathandiza asayansi kuyeza ntchito ya beta-galactosidase. Kuyesa kumeneku kumagwiritsidwa ntchito kwambiri mu biology ya mamolekyulu ndi kafukufuku wa majini, monga kuphunzira malamulo a majini, kuwonetsa mapuloteni, ndi moyo wa maselo.
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TOPS CAS:40567-80-4 Mtengo wa Wopanga
Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate ndi mankhwala okhala ndi kapangidwe ka molekyulu kovuta. Amagwiritsidwa ntchito kwambiri m'masayansi ndi kafukufuku osiyanasiyana. Mankhwalawa ndi opangidwa kuchokera ku sulfonate, omwe amadziwika kuti amasungunuka m'madzi ndi zinthu zina zosungunulira. Angagwiritsidwe ntchito ngati chowonjezera kapena chowonjezera muzochita zamakemikolo. Chifukwa cha kapangidwe kake ndi mawonekedwe ake apadera, Sodium 3-(N-ethyl-3-methylanilino)propanesulfonate nthawi zambiri imagwiritsidwa ntchito popanga mankhwala, utoto, ndi zinthu zina zachilengedwe.
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CHES Na CAS:103-47-9 Mtengo wa Wopanga
2-(Cyclohexylamino)ethanesulfonic acid ndi mankhwala omwe ali ndi formula ya molekyulu C10H21NO3S. Amadziwikanso ndi chidule chake cha CHES. CHES ndi sulfonic acid derivative yomwe ili ndi gulu la amino komanso gulu la sulfonic acid m'mapangidwe ake.
CHES imagwiritsidwa ntchito kwambiri ngati chotetezera mu kafukufuku wa zamankhwala ndi zamoyo. Ndi yokhazikika pa pH ndipo imasunga pH yokhazikika, makamaka m'malo ochitira kafukufuku okhudzana ndi ma enzyme kapena maphunziro a mapuloteni. CHES ili ndi pKa ya 9.3, zomwe zimapangitsa kuti ikhale chotetezera chogwira ntchito mozungulira pH 9.
Kapangidwe kake ka mankhwala ndi makhalidwe ake apadera zimapangitsa CHES kukhala yothandiza pa ntchito zosiyanasiyana, monga pokonzekera njira zosungiramo zinthu zogwiritsidwa ntchito pogwiritsa ntchito electrophoresis, kuyesa ma enzyme, ndi njira zosungira maselo. Nthawi zambiri imakondedwa pa ntchito zomwe zimafuna pH ya 8.5 mpaka 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 ndi mankhwala omwe amagwiritsidwa ntchito kwambiri popanga zinthu zachilengedwe, makamaka m'munda wa mankhwala a carbohydrate. Amagwira ntchito ngati gulu loteteza magulu a hydroxyl a galactose, omwe amaletsa zochita zosafunikira panthawi ya kusintha kwa mankhwala. Mankhwalawa amakhala ndi molekyulu ya galactose yokhala ndi magulu anayi a benzyl omangiriridwa ku magulu a hydroxyl pamalo 2, 3, 4, ndi 6 a mphete ya galactose.
Kupezeka kwa magulu a benzyl kumateteza magulu a hydroxyl, kuwapangitsa kuti asagwire ntchito, komanso kusunga momwe magulu ena amagwirira ntchito mu molekyuluyi amagwirira ntchito. Izi zimathandiza kuti kusintha kwa galactose kapena kusintha kwina kuchitike popanda kukhudza magulu otetezedwa a hydroxyl.
2,3,4,6-Tetra-O-benzyl-D-galactopyranose nthawi zambiri imagwiritsidwa ntchito ngati chinthu choyambira kupanga chakudya chovuta, ma glycoconjugates, kapena mankhwala ena okhala ndi zotsalira za galactose. Ndiwothandiza kwambiri pakuchita kwa glycosylation, komwe amagwira ntchito ngati wopereka glycosyl wogwira mtima, zomwe zimathandiza kuti galactose imamangiriridwe ku mamolekyu a acceptor.
