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ALPS CAS: 82611-85-6 Mtengo wa Wopanga
Mchere wa sodium wa N-Ethyl-N-(3-sulfopropyl)aniline ndi mankhwala omwe ali ndi gulu la amine (aniline) lomwe lili ndi gulu la ethyl ndi sulfopropyl. Uli mu mawonekedwe a mchere wa sodium, zomwe zikutanthauza kuti walumikizidwa ndi ayoni ya sodium kuti uwonjezere kusungunuka kwake m'madzi. Mankhwalawa amagwiritsidwa ntchito kwambiri popanga mankhwala, mankhwala, komanso kupanga utoto. Kugwiritsa ntchito kwake molondola komanso mawonekedwe ake kumatha kusiyana kutengera momwe amagwiritsidwira ntchito.
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Methyl1,2,3,4-tetra-O-acetyl-BD-glucuronate CAS:7355-18-2
Methyl 1,2,3,4-tetra-O-acetyl-β-D-glucuronate ndi mankhwala ochokera ku β-D-glucuronic acid. Amagwiritsidwa ntchito kwambiri ngati chomangira mu carbohydrate chemistry komanso ngati gulu loteteza magulu a hydroxyl. Amagwiritsa ntchito popanga mankhwala ndi mamolekyulu omwe ali ndi glucuronic acid.
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popso disodium CAS: 108321-07-9
Mchere wa disodium wa Piperazine-N,N'-bis (2-hydroxypropanesulphonic acid) ndi mankhwala opangidwa ndi magulu a piperazine, bis (2-hydroxypropanesulphonic acid), ndi ma ayoni awiri a sodium. Amagwiritsidwa ntchito kwambiri ngati chothandizira kusungira komanso chowongolera pH m'mafakitale osiyanasiyana ndi m'ma laboratories. Mankhwalawa amathandiza kusunga pH yeniyeni mu mayankho, zomwe zimapangitsa kuti ikhale yothandiza pa ntchito monga kuyeretsa mapuloteni, biology ya mamolekyulu, ndi kafukufuku wamankhwala. Kuphatikiza apo, imathanso kugwira ntchito ngati chothandizira chelating cha ma ayoni achitsulo ndikukhazikitsa ntchito ya enzyme muzochita zina za biochemical.
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3-Morpholino-2-hydroxypropanesulfonic acid sodium salt CAS:79803-73-9
3-Morpholino-2-hydroxypropanesulfonic acid sodium salt, yomwe imadziwikanso kuti MES sodium salt, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera mu kafukufuku wa zamoyo ndi zamankhwala.
MES ndi chosungira madzi cha zwitterionic chomwe chimagwira ntchito ngati chowongolera pH, kusunga pH yokhazikika m'machitidwe osiyanasiyana oyesera. Chimasungunuka kwambiri m'madzi ndipo chili ndi pKa pafupifupi 6.15, zomwe zimapangitsa kuti chikhale choyenera kusungidwa mu pH ya 5.5 mpaka 7.1.
MES sodium salt imagwiritsidwa ntchito nthawi zambiri mu njira za biology monga DNA ndi RNA isolation, enzyme assays, ndi protein cleansing. Imagwiritsidwanso ntchito mu cell culture media kuti isunge pH yokhazikika kuti maselo akule bwino komanso achuluke.
Chinthu chimodzi chodziwika bwino cha MES ndi kukhazikika kwake pansi pa mikhalidwe ya thupi komanso kukana kusintha kwa kutentha. Izi zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito poyesa komwe kusinthasintha kwa kutentha kumayembekezeredwa.
Ofufuza nthawi zambiri amakonda mchere wa sodium wa MES ngati chotetezera chifukwa chakuti umasokoneza pang'ono zochita za enzyme komanso mphamvu yake yayikulu yotetezera mkati mwa pH yake yoyenera.
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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 mu kafukufuku wa biochemical. Ndi mtundu wosinthidwa wa galactose wa shuga, ndipo umagwiritsidwa ntchito kangapo mu kuyesa ma enzyme, kusanthula kwa majini, njira zowunikira, ndi kuyeretsa mapuloteni. Kapangidwe kake kamaphatikizapo magulu a acetyl ndi gulu la thio, zomwe zimathandiza kuzindikira ndikusintha zochita zinazake za enzymatic. Ponseponse, mankhwalawa ndi ofunikira pophunzira ntchito ndi ntchito ya enzyme β-galactosidase, komanso mu zoyeserera zosiyanasiyana za biology ya mamolekyulu ndi biochemistry.
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DAOS CAS: 83777-30-4 Mtengo wa Wopanga
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt ndi mankhwala omwe ali m'gulu la anilines opangidwa ndi sulfonated. Ndi mchere wa sodium, zomwe zikutanthauza kuti uli mu mawonekedwe a crystalline solid yomwe imasungunuka m'madzi. Mankhwalawa ali ndi molekyulu ya C13H21NO6SNa.
Ili ndi magulu a alkyl ndi sulfo, zomwe zimapangitsa kuti ikhale yothandiza pa ntchito zosiyanasiyana. Imagwiritsidwa ntchito kwambiri ngati utoto pakati pa kupanga utoto wachilengedwe, makamaka womwe umagwiritsidwa ntchito mumakampani opanga nsalu. Chosakaniza ichi chimapereka utoto ndikuwonjezera kukhazikika kwa utoto, ndikuwonjezera magwiridwe antchito ake komanso kulimba kwake.
Kuphatikiza apo, ithanso kugwira ntchito ngati surfactant chifukwa cha gulu lake la hydrophilic sulfonate ndi gulu la hydrophobic alkyl. Kapangidwe kake kamathandiza kuchepetsa kupsinjika kwa pamwamba pa zakumwa, zomwe zimapangitsa kuti ikhale yofunikira mu sopo wothira, emulsion stabilizers, ndi njira zina zamafakitale zomwe zimaphatikizapo kufalikira kwa zinthu.
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![Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0](https://cdn.globalso.com/xindaobiotech/图片169.png)
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane, yomwe imadziwika kuti bicine, ndi mankhwala omwe ali ndi mphamvu zotetezera. Amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana asayansi ndi mafakitale. Bicine imagwira ntchito ngati chowongolera pH, kuthandiza kusunga pH yokhazikika mu mayankho ndikupereka mikhalidwe yabwino kwambiri ya zochita za biochemical. Imagwiritsa ntchito mu kuyesa kwa enzyme, media yokhudza chitukuko cha maselo, njira zoyeretsera mapuloteni, electrophoresis, ndi ma formulations a mankhwala.
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4-Nitrophenyl-alpha-D-glucopyranoside CAS:3767-28-0
4-Nitrophenyl-alpha-D-glucopyranoside ndi mankhwala omwe amagwiritsidwa ntchito kwambiri poyesa ndi kuyesa zinthu za biochemical. Ndi chinthu chomwe chingagawidwe ndi ma enzyme ena, monga glycosidases, kuti atulutse chinthu chomwe chingathe kuzindikirika. Kapangidwe kake kamakhala ndi molekyulu ya shuga (alpha-D-glucose) yolumikizidwa ndi gulu la 4-nitrophenyl. Mankhwalawa nthawi zambiri amagwiritsidwa ntchito pophunzira ndikuyesa ntchito ya ma enzyme omwe amagwira ntchito mu kagayidwe ka chakudya ndi njira za glycosylation.
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Tricine CAS: 5704-04-1 Mtengo wa Wopanga
Tricine ndi mankhwala a zwitterionic organic okhala ndi formula ya mankhwala C6H13NO5S. Amagwiritsidwa ntchito kwambiri ngati chotetezera, makamaka mu ntchito za biochemical ndi zamoyo. Chinthu chodziwika bwino cha Tricine ndi mphamvu yake yapadera yotetezera pa pH ya asidi pang'ono, zomwe zimapangitsa kuti ikhale yothandiza kwambiri mu zoyeserera zomwe zimafuna malo okhazikika komanso olondola a pH. Amagwiritsidwa ntchito kwambiri mu protein electrophoresis, njira za biology ya molecular, kuyesa kwa enzyme, ndi njira zosungira maselo. Tricine imathandiza kusunga mikhalidwe yabwino kwambiri pazochitika zosiyanasiyana zamoyo, kuonetsetsa kuti zotsatira zolondola komanso zodalirika pakufufuza ndi kusanthula.
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Egtazic acid CAS: 67-42-5 Mtengo wa Wopanga
Ethylenebis (oxyethylenitrilo)tetraacetic acid (EGTA) ndi mankhwala ophera tizilombo omwe amagwiritsidwa ntchito kwambiri mu kafukufuku wa zamoyo ndi mankhwala. Ndi mankhwala opangidwa omwe amachokera ku ethylenediamine ndi ethylene glycol. EGTA ili ndi mphamvu yayikulu pa ma ayoni achitsulo osakanikirana, makamaka calcium, ndipo imagwiritsidwa ntchito kwambiri pophera ndi kusonkhanitsa ma ayoni awa m'njira zosiyanasiyana monga mu chitukuko cha maselo, kuyesa ma enzyme, ndi njira za biology ya molecular. Mwa kumangirira ku calcium ndi ma ayoni ena achitsulo, EGTA imathandiza kuwongolera kuchuluka kwawo, motero kumakhudza njira zosiyanasiyana za biochemical.
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METHYL-BETA-D-GALACTOPYRANOSIDE CAS:1824-94-8
Methyl-beta-D-galactopyranoside ndi mankhwala omwe nthawi zambiri amachokera ku galactose. Ndi mtundu wa beta-D-galactose wopangidwa ndi methyl, pomwe gulu la methyl limalowa m'malo mwa gulu limodzi la hydroxyl la molekyulu ya shuga. Kusintha kumeneku kumasintha mawonekedwe a galactose, ndikupangitsa kuti ikhale yokhazikika komanso yoyenera kugwiritsidwa ntchito mosiyanasiyana mu biochemistry ndi biology ya molekyulu. Methyl-beta-D-galactopyranoside imagwiritsidwa ntchito kwambiri ngati gawo loyambira mu kuyesa kwa enzyme, makamaka mu maphunziro okhudzana ndi ntchito ya beta-galactosidase. Imagwiritsidwanso ntchito ngati chofufuzira cha molekyulu kuti iphunzire kuzindikira kwa chakudya ndi kuyanjana, makamaka munjira zoyendetsedwa ndi lectin.
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HDAOS CAS: 82692-88-4 Mtengo wa Wopanga
HDAOS (N-(2-Hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt) ndi mankhwala omwe amagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana, kuphatikiza kupanga zinthu zachilengedwe, mankhwala, ndi sayansi ya zinthu. Ili ndi mphete ya phenyl yomwe imalowetsedwa m'malo mwa gulu la hydroxy, gulu la sulfonic, ndi magulu awiri a methoxy. HDAOS nthawi zambiri imapezeka mu mawonekedwe a mchere wa sodium, kusonyeza kukhalapo kwa sodium cation yogwirizana ndi gulu la sulfonic.
