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Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside CAS:24404-53-3
Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pofufuza zamoyo.Ndi mtundu wosinthidwa wa mamolekyu a shuga a galactose, ndipo umakhala ndi ntchito zingapo pakuyesa ma enzyme, kusanthula mawu amtundu, machitidwe owunikira, komanso kuyeretsa mapuloteni.Kapangidwe kake kumaphatikizapo magulu a acetyl ndi gulu la thio, lomwe limathandizira kuzindikira ndi kuwongolera zochitika zinazake za enzymatic.Ponseponse, chigawochi ndi chofunikira powerenga ntchito ndi ntchito ya enzyme β-galactosidase, komanso muzoyesa zosiyanasiyana zamamolekyulu ndi biochemistry.
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Tris maleate CAS: 72200-76-1
Tris maleate ndi mankhwala omwe amagwira ntchito ngati pH buffer ndi chosinthira m'mafakitale osiyanasiyana.Amagwiritsidwa ntchito posunga pH yokhazikika komanso kukana kusintha komwe kumachitika chifukwa chowonjezera ma acid kapena maziko.Tris maleate nthawi zambiri amagwiritsidwa ntchito pofufuza zamankhwala, kuyeretsa mapuloteni, njira zamafakitale, ndi chemistry yowunikira.Ndiwothandiza makamaka pakusunga ma pH otsika ndipo imadziwika chifukwa cha kusinthasintha kwake pakusunga pH yoyenera.
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DAOS CAS: 83777-30-4 Mtengo Wopanga
N-Ethyl-N-(2-hydroxy-3-sulfopropyl) -3,5-dimethoxyaniline mchere wa sodium ndi mankhwala omwe ali m'gulu la sulfonated anilines.Ndi mawonekedwe amchere a sodium, kutanthauza kuti ali mu mawonekedwe a crystalline olimba omwe amasungunuka m'madzi.Pagululi lili ndi mamolekyulu a C13H21NO6SNa.
Lili ndi magulu a alkyl ndi sulfo, omwe amapangitsa kuti ikhale yothandiza pamagwiritsidwe osiyanasiyana.Nthawi zambiri amagwiritsidwa ntchito ngati utoto wapakatikati popanga utoto wachilengedwe, makamaka womwe umagwiritsidwa ntchito popanga nsalu.Kaphatikizidwe kameneka kamapereka utoto komanso kumapangitsa kuti utoto ukhale wokhazikika, umapangitsa kuti utotowo ukhale wokhazikika komanso wokhalitsa.
Kuphatikiza apo, imathanso kugwira ntchito ngati surfactant chifukwa cha gulu lake la hydrophilic sulfonate ndi gulu la hydrophobic alkyl.Katunduyu amalola kuti achepetse kuthamanga kwamadzimadzi, kupangitsa kuti ikhale yamtengo wapatali muzopangira zotsukira, emulsion stabilizers, ndi njira zina zamafakitale zomwe zimaphatikizapo kubalalitsidwa kwa zinthu.
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2-hydroxy-4-morpholinepropanesulphonic acid CAS: 68399-77-9
2-hydroxy-4-morpholinepropanesulphonic acid (CAPS) ndi zwitterionic buffering agent yomwe imagwiritsidwa ntchito kwambiri poyesa biochemical ndi molecular biology.Ndi pH stabilizer yogwira mtima, yosunga pH yosasinthika pafupifupi 9.2-10.2.CAPS imadziwika makamaka chifukwa cha ntchito zake pakuyeretsa mapuloteni, kuyesa ma enzymatic, media media media, ndi electrophoresis.Ndiwogwirizana ndi michere ndipo nthawi zambiri amagwiritsidwa ntchito kusunga pH yoyenera pakuchita ma enzyme panjira zosiyanasiyana za labotale.CAPS imagwiritsidwanso ntchito muzofalitsa zama cell kuti apange malo abwino kwambiri oti ma cell akule komanso kutheka.Mu electrophoresis, imathandizira kukhazikika kwa pH kofunikira pakulekanitsa ndi kusanthula ma nucleic acid kapena mapuloteni.
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beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate ndi mankhwala omwe amachokera ku glucose, shuga wosavuta.Amapangidwa ndi shuga wa acetylating wokhala ndi magulu asanu a acetyl, zomwe zimapangitsa kuti maguluwa agwirizane ndi magulu a hydroxyl (OH) omwe amapezeka mu molekyulu ya glucose.Kusintha kwa glucose uku kumapangitsa kuti ikhale yokhazikika komanso kuti isungunuke mu zosungunulira za organic.
Beta-D-glucose pentaacetate imagwira ntchito mosiyanasiyana pankhani ya organic chemistry, makamaka pa kaphatikizidwe ndi kusintha kwa chakudya.Zitha kukhala ngati kalambulabwalo kapena wapakatikati pokonzekera zotumphukira zina zama carbohydrate kapena ma organic compounds.Kuphatikiza apo, yakhala ikugwiritsidwa ntchito m'njira zina zamankhwala ndi zamankhwala monga njira zoperekera mankhwala ndi njira zowongolera zotulutsa.
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3-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE CAS:3150-25-2
3-Nitrophenyl-beta-D-galactopyranoside (ONPG) ndi gawo laling'ono lomwe limagwiritsidwa ntchito poyesa ma enzymatic kuti azindikire ndikuyesa ntchito ya beta-galactosidase.Beta-galactosidase ikakhalapo komanso ikugwira ntchito, imatulutsa ONPG, ndikutulutsa chinthu chachikasu chotchedwa 3-nitrophenol.Kuchuluka kwa mtundu wachikasu wopangidwa kumatha kuyeza spectrophotometrically, kulola kuchuluka kwa ntchito ya beta-galactosidase.ONPG imagwiritsidwa ntchito nthawi zambiri mu kafukufuku wa mamolekyulu a biology ndi microbiology, komanso pakuwunika kwachipatala, kuphunzira kafotokozedwe ka majini, magwiridwe antchito a mapuloteni, kuzindikira kwa bakiteriya, komanso kuthekera kwa ma cell.
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TOOS CAS: 82692-93-1 Mtengo 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 kuthyola zomangira za disulfide m'mapuloteni, kuwasandutsa magulu a sulfhydryl.Njira yochepetserayi ndiyofunikira pakugwiritsa ntchito zosiyanasiyana monga kusintha kwa mapuloteni, kupewa kuphatikizika kwa mapuloteni, kulemba zilembo zama protein, ndikubwezeretsanso mapuloteni.MESNa imatenga gawo lofunikira pakuwongolera mapuloteni, kusanthula, ndikusintha pakufufuza kwasayansi.
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PIPES mchere wa monosodium CAS: 10010-67-0
Sodium hydrogen piperazine-1,4-diethanesulphonate, yomwe imadziwikanso kuti HEPES-Na, ndiyomwe imagwiritsidwa ntchito kwambiri pofufuza zamoyo ndi zamankhwala.Zimathandizira kukhala ndi pH yokhazikika ya 6.8 mpaka 8.2 pamagwiritsidwe osiyanasiyana, kuphatikiza chikhalidwe cha ma cell, kuyesa kwa ma enzyme, ndi njira zama cell biology.HEPES-Na imagwirizana ndi machitidwe osiyanasiyana achilengedwe ndipo imakhala yokhazikika pa kutentha kwakukulu.
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PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE CAS:16758-34-2
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE, yomwe imadziwikanso kuti phenyl thio galactopyranoside, ndi mankhwala omwe ali m'gulu la glycosides.Ndi galactose yochokera ku galactose yomwe imakhala ndi galactopyranose shuga unit yolumikizidwa ku gulu la phenylthio pa anomeric carbon.Pawiriyi imagwiritsidwa ntchito kwambiri pofufuza zamoyo monga gawo lapansi la michere yomwe imatulutsa hydrolyze glycosidic bond.Zimagwira ntchito ngati gawo laling'ono kuti liphunzire ntchito ya enzymatic ya glycosidase ndikudziwira zenizeni, kinetics, ndi zoletsa.PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE nthawi zambiri amagwiritsidwa ntchito mu colorimetric ndi fluorometric assays kuti azindikire kupezeka kapena kuyeza ntchito ya ma glycosidase osiyanasiyana mu zitsanzo zamoyo.Hydrolysis ya mankhwalawa ndi michere yapadera imapanga chizindikiro chodziwika chomwe chingathe kuwerengedwa.Chifukwa cha gulu lake lokhazikika la phenylthio, PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE ikhoza kugwiridwa mosavuta ndikusungidwa popanda kuwonongeka, ndikupangitsa kuti ikhale yabwino kusankha. kuyesa kwa ma enzyme ndi kuyesa kofufuza.
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2-(tris(hydroxymethyl)methylamino)ethane-1-sulphonic acid CAS:7365-44-8
2-(Tris(hydroxymethyl)methylamino)ethane-1-sulfonic acid, yofupikitsidwa ngati TES, ndi mankhwala omwe amagwiritsidwa ntchito ngati buffering agent mu kafukufuku wa zamoyo ndi mankhwala.Monga sulfonic acid yochokera ku tris(hydroxymethyl)aminomethane (Tris), TES imatha kukhala ndi pH yokhazikika ya 6.8 mpaka 8.2.Amagwiritsidwa ntchito pafupipafupi mu media media, ma enzymatic reaction, protein electrophoresis, ndi kafukufuku wa DNA/RNA.TES ndiyosinthasintha kwambiri komanso yofunikira kuti mukhalebe ndi mikhalidwe yabwino pamayesero ndi njira zosiyanasiyana zama labotale.
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Dipso sodium CAS:102783-62-0 Mtengo Wopanga
3- [N, N-Bis (hydroxyethyl) amino] -2-hydroxypropanesulphonic acid mchere wa sodium, womwe umadziwikanso kuti BES sodium mchere, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri pofufuza zamoyo ndi ntchito zachipatala.Ndiwochokera ku sulfonic acid ndi mawonekedwe a mchere wa sodium, ndikupangitsa kuti ikhale yosungunuka m'madzi komanso yokhazikika mumadzimadzi.
Mchere wa sodium wa BES uli ndi mamolekyu a C10H22NNaO6S ndi molekyulu yolemera pafupifupi 323.34 g/mol.Nthawi zambiri imagwiritsidwa ntchito ngati chothandizira kubisa chifukwa cha kuthekera kwake kusunga pH yokhazikika pamayankho.
Gululi limadziwika chifukwa chotha kukana kusintha kwa pH komwe kumachitika chifukwa cha kuchepetsedwa kapena kuwonjezera ma acid ndi maziko.Amagwiritsidwa ntchito kwambiri pakupanga kwachilengedwe komanso ma enzymatic, media media, kuyeretsa mapuloteni, ndi ntchito zina pomwe kuwongolera bwino pH ndikofunikira.
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D-(+)-Cellobiose CAS:528-50-7
D-(+)-Cellobiose ndi disaccharide yopangidwa ndi mayunitsi awiri a shuga olumikizidwa ndi beta-1,4-glycosidic chomangira.Nthawi zambiri amapezeka mu cellulose, chigawo chachikulu cha makoma a cellulose.Cellobiose ndi yopanda mtundu, yolimba ya crystalline yomwe imasungunuka m'madzi.Simagayidwa ndi zamoyo zambiri, koma imatha kupangidwa ndi ma enzymes, monga cellobiase, kuti atulutse shuga.Cellobiose ndi gawo lapakati lofunikira pakuwonongeka kwa tizilombo ta cellulose ndipo amagwiritsidwa ntchito pazinthu zosiyanasiyana zaukadaulo, kuphatikiza kupanga mafuta amafuta.
