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2,3,4,6-TETRA-O-BENZOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE CAS:14218-11-2
2,3,4,6-Tetra-O-benzoyl-alpha-D-glucopyranosyl bromide ndi mankhwala omwe ali m'gulu la zotumphukira za shuga.Amakhala ndi molekyu ya shuga yokhala ndi magulu anayi a benzoyl omwe amamangiriridwa kumagulu ake a hydroxyl, pamodzi ndi atomu ya bromide pamalo a anomeric.
Pawiriyi imagwiritsidwa ntchito makamaka mu organic ndi mankhwala ngati gulu loteteza hydroxyl magwiridwe antchito a shuga.Magulu a benzoyl amagwira ntchito yotsekereza magulu a hydroxyl kwakanthawi, kuwapangitsa kuti asatengeke kwambiri ndi zochitika zapakhungu panthawi yopanga.Izi zimalola magwiridwe antchito osankhidwa amagulu enaake a hydroxyl muzochokera ku glucose.
Kuphatikiza apo, zotumphukira za glucose zotetezedwa ndi benzoyl zitha kugwiritsidwa ntchito ngati zomangira zopangira ma glycosides osiyanasiyana ndi glycoconjugates.Glycosides ndi mankhwala opangidwa ndi kulumikizana kwa molekyulu ya shuga kumagulu ena, monga mankhwala kapena zinthu zachilengedwe, ndipo amapeza ntchito pakupanga mankhwala ndi biology yamankhwala.
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popso sesquisodium CAS: 108321-08-0
Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) mchere wa sesquisodium, wotchedwanso PIPES sesquisodium salt, ndi mankhwala omwe amagwiritsidwa ntchito ngati buffering mu ntchito zosiyanasiyana za sayansi ndi mafakitale.Zimathandizira kukhala ndi pH yokhazikika pamayankho, makamaka pamtundu wa pH.Mchere wa PIPES sesquisodium umagwiritsidwa ntchito kwambiri mu media media, protein biochemistry, electrophoresis, njira zama cell biology, ndi njira zoperekera mankhwala.Imagwira ntchito ngati pH yowongolera komanso chowonjezera pakuchita kwa ma enzyme ndi kukhazikika, ndikupangitsa kuti ikhale yofunikira pamafukufuku osiyanasiyana ndi mafakitale.
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N-ethyl-N-(3-sulfopropyl)-M-anisidinesodium CAS:82611-88-9
N-Ethyl-N- (3-sulfopropyl) -3-methoxyaniline mchere wa sodium ndi mankhwala omwe ali ndi gulu la N-ethyl, gulu la sulfopropyl, ndi gulu la 3-methoxyaniline.Nthawi zambiri amapezeka ngati mchere wa sodium, womwe umapangitsa kusungunuka kwake m'madzi.
Pulogalamuyi imakhala ndi ntchito zosiyanasiyana m'mafakitale ndi kafukufuku.Itha kugwiritsidwa ntchito ngati utoto wapakatikati, chothandizira, kapena ngati reagent mu organic synthesis.Makhalidwe ake, monga kusungunuka, kukhazikika, ndi reactivity, zimapangitsa kuti zikhale zoyenera kugwiritsa ntchito m'madera osiyanasiyana.
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HEPES-Na CAS:75277-39-3 Mtengo Wopanga
Mchere wa HEPES sodium, womwe umadziwikanso kuti N-(2-Hydroxyethyl) piperazine-N'-2-ethanesulfonic acid sodium salt, ndi zwitterionic buffer yomwe imagwiritsidwa ntchito pofufuza zamoyo ndi zamankhwala.Ntchito yake yayikulu ndikusunga pH yokhazikika pamachitidwe osiyanasiyana oyesera.Mchere wa HEPES wa sodium ndi wosunthika kwambiri, wokhazikika, komanso wopanda poizoni, womwe umaupanga kukhala woyenera kugwiritsa ntchito zinthu zosiyanasiyana kuphatikiza chikhalidwe cha cell, enzyme kinetics, immunoassays, ndi kuyesa kwa biology ya mamolekyulu.Zimagwirizana ndi zitsanzo ndi machitidwe ambiri achilengedwe, zomwe zimapereka malo olamulidwa kuti aziwongolera bwino pH.
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Beta-D-Galactose pentaacetate CAS: 114162-64-0
Beta-D-galactose pentaacetate ndi mankhwala omwe amachokera ku galactose, mtundu wa shuga.Amapangidwa ndi acetylating galactose yokhala ndi magulu asanu a acetyl.Kusintha kumeneku kumawonjezera kukhazikika kwa mankhwalawa ndikulola kuti igwiritsidwe ntchito pazinthu zosiyanasiyana zamankhwala ndi zamankhwala.Zimathandiza kupewa zosafunika kapena zochita za mbali mwa masking zotakataka magulu a galactose.Kuonjezera apo, pawiri izi nthawi zina ntchito ngati kalambulabwalo kapena zinthu zoyambira mu synthesis ena galactose zotumphukira.Mawonekedwe ake a acetylated amalola kuwongolera kosavuta ndikusintha kwa molekyulu ya galactose muzotsatira zotsatila.Ponseponse, beta-D-galactose pentaacetate ndi gawo lothandiza pakufufuza kwamankhwala ndi kaphatikizidwe komwe kumapereka kukhazikika komanso kusinthasintha kwamachitidwe okhudzana ndi galactose.
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3-morpholinopropanesulfonic acid hemisodium mchere CAS:117961-20-3
3-(N-Morpholino)propanesulfonic acid hemisodium salt, yomwe imadziwikanso kuti MOPS-Na, ndi zwitterionic buffer yomwe imagwiritsidwa ntchito pofufuza zamankhwala ndi zamankhwala.Amapangidwa ndi mphete ya morpholine, unyolo wa propane, ndi gulu la sulfonic acid.
MOPS-Na ndi chotchingira chothandiza posunga pH yokhazikika pamlingo wachilengedwe (pH 6.5-7.9).Nthawi zambiri amagwiritsidwa ntchito mu media media, kuyeretsa mapuloteni ndi mawonekedwe, kuyesa kwa ma enzyme, ndi DNA / RNA electrophoresis.
Chimodzi mwazabwino za MOPS-Na monga chotchingira ndi kutsika kwake kwa UV, komwe kumapangitsa kuti ikhale yoyenera kugwiritsa ntchito ma spectrophotometric.Ikuwonetsanso kusokoneza pang'ono ndi njira zoyesera zodziwika bwino.
MOPS-Na imasungunuka m'madzi, ndipo kusungunuka kwake kumadalira pH.Amaperekedwa ngati ufa wolimba kapena yankho, ndipo mawonekedwe a mchere wa hemisodium amagwiritsidwa ntchito kwambiri.
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![Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0](//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 zowononga.Amagwiritsidwa ntchito kwambiri pazinthu zosiyanasiyana zasayansi ndi mafakitale.Bicine imagwira ntchito ngati pH yowongolera, imathandizira kuti pH ikhale yokhazikika pamayankho ndikupereka mikhalidwe yabwino kwambiri yamachitidwe am'chilengedwe.Imapeza ntchito pakuyesa ma enzyme, media media, ma protein purification, electrophoresis, ndi kupanga mankhwala.
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4-NITROPHENYL-ALPHA-D-MANNOPYRANOSIDE CAS:10357-27-4
4-Nitrophenyl-alpha-D-mannopyranoside ndi mankhwala opangidwa kuchokera ku mannose a shuga.Amakhala ndi molekyu ya mannose yolumikizidwa ndi gulu la nitrophenyl.Gululi limagwiritsidwa ntchito nthawi zambiri pakufufuza kwachilengedwe komanso zamankhwala monga gawo laling'ono pozindikira komanso kuyeza zochita za ma enzyme.Mwachindunji, angagwiritsidwe ntchito pophunzira ntchito ya michere yomwe imatsitsa kapena kusintha magawo okhala ndi mannose.Gulu la nitrophenyl lomwe limalumikizidwa ku molekyu ya mannose limalola kuyeza ntchito ya enzyme poyang'anira kutuluka kwa nitrophenyl moiety.Pagululi nthawi zambiri amagwiritsidwa ntchito poyesa kuphunzira ma enzyme omwe amakhudzidwa ndi metabolism ya carbohydrate kapena glycosylation process.
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CABS CAS: 161308-34-5 Mtengo Wopanga
Amagwiritsidwa ntchito kwambiri ngati njira yosungiramo zinthu zosiyanasiyana zamoyo ndi zamankhwala.
CABS imadziwika ndi kuthekera kwake kosunga mulingo wokhazikika wa pH pamayankho, ndikupangitsa kukhala chisankho choyenera pamakina obisala pakuyesa kwa labotale ndi kafukufuku wamankhwala.Kuthekera kwake kumagwira ntchito makamaka mkati mwa pH ya 8.6 mpaka 10. Njira zamankhwala ndi zowunikira, monga zochitika za enzyme, electrophoresis, ndi immunohistochemistry, nthawi zambiri zimagwiritsa ntchito C.ABS ngati wothandizira kusunga pH kukhazikika ndikuwongolera magwiridwe antchito.
Ndikofunika kuzindikira kuti CABS ikhoza kukhudzidwa ndi kusintha kwa kutentha ndipo sikungakhale koyenera kuzinthu zina zomwe zimafuna kutentha kwambiri.Kuphatikiza apo, njira zoyenera zotetezera ziyenera kutsatiridwa pogwira CABS, chifukwa zimatha kukwiyitsa khungu, maso, komanso kupuma.
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ADOS CAS: 82692-96-4 Mtengo Wopanga
N-Ethyl-N-(2-hydroxy-3-sulfopropyl) -3-methoxyaniline sodium mchere dihydrate, wotchedwanso EHS, ndi mankhwala pawiri ntchito zosiyanasiyana chemistry ndi biochemistry.Ndi mankhwala osungunuka m'madzi omwe amachokera ku 2-hydroxy-3-sulfopropyl-3-methoxyaniline.
EHS imagwiritsidwa ntchito kwambiri ngati chizindikiro cha pH, makamaka mu pH ya 6.8 mpaka 10. EHS nthawi zambiri imakhala yopanda mtundu mu mawonekedwe ake a asidi koma imasintha kukhala mtundu wabuluu ikakumana ndi zamchere.Kusintha kwamtundu uku kumatha kuwonedwa, ndikupangitsa kuti ikhale yothandiza pakuwunika kusintha kwa pH pamayankho.
Kuphatikiza pa mawonekedwe ake a pH, EHS yagwiritsidwanso ntchito poyesa kusanthula ndi biochemical.Mwachitsanzo, itha kugwiritsidwa ntchito ngati utoto wopaka mapuloteni mu gel electrophoresis, kuthandizira kuwona ndi kuwerengera zitsanzo zama protein.EHS yapezanso ntchito pakuyesa kwa ma enzyme, komwe imatha kugwiritsidwa ntchito kuyeza zochitika za ma enzyme kapena kuzindikira momwe ma enzymatic amathandizira.
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P-NITROPHENYL BETA-D-LACTOPYRANOSIDE CAS:4419-94-7
P-Nitrophenyl beta-D-lactopyranoside, yomwe imadziwikanso kuti PNPG, ndi mankhwala omwe amagwiritsidwa ntchito nthawi zambiri poyesa ma enzymatic kuyesa ntchito ya beta-galactosidase, puloteni yomwe imakhudzidwa ndi metabolism ya carbohydrate.PNPG ndi gawo lapansi lopangidwa lomwe limatha kung'ambika ndi beta-galactosidase, zomwe zimapangitsa kutulutsa kwamtundu wachikasu.Kukula kwa gawo lapansi la hydrolysis kumatha kuwerengedwa poyesa kuyamwa kwa chinthucho pamtunda wina wake.Izi zimalola ofufuza kuti awone zomwe zimachitika komanso ma kinetics a beta-galactosidase m'malo osiyanasiyana, monga kuphunzira momwe ma enzyme amagwirira ntchito, kuyang'ana ma enzyme inhibitors kapena activator, kapena kuwunika momwe masinthidwe amagwirira ntchito.
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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 kufufuza zamoyo.Ndilo chochokera ku galactose, mtundu wa shuga.Mankhwalawa nthawi zambiri amagwiritsidwa ntchito ngati gawo laling'ono kuti azindikire ntchito ya beta-galactosidase, enzyme yomwe ilipo mu zamoyo zambiri, kuphatikizapo mabakiteriya.Pamene beta-galactosidase ilipo, imadula 2-NAPHTHYL-BETA-D-GALACTOPYRANOSIDE mu naphthol ndi galactose.Molekyu ya naphthol yomwe imachokera imatha kuzindikirika mosavuta ndi kuyamwa kwake kwa kuwala kwa ultraviolet, kulola asayansi kuyeza ntchito ya beta-galactosidase.Kuyesa kumeneku kumagwiritsidwa ntchito kwambiri mu kafukufuku wa mamolekyulu a biology ndi genetics, pazogwiritsa ntchito monga kuphunzira malamulo a majini, kanenedwe ka mapuloteni, ndi kuthekera kwa maselo.
![Bis [2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0](http://cdn.globalso.com/xindaobiotech/图片169.png)
