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popso disodium CAS:108321-07-9
Munyu wePiperazine-N,N'-bis(2-hydroxypropanesulphonic acid) disodium ikemikari inoumbwa nemapoka epiperazine, bis(2-hydroxypropanesulphonic acid), uye maion maviri esodium. Inowanzoshandiswa semushonga wekuchengetedza uye mugadziri wepH mumashandisirwo akasiyana-siyana emaindasitiri nemarabhoritari. Mushonga uyu unobatsira kuchengetedza pH chaiyo mumhinduro, zvichiita kuti ishande mumabasa akadai sekuchenesa mapuroteni, molecular biology, uye kutsvagurudza mishonga. Pamusoro pezvo, inogona zvakare kushanda semushonga wechelating wemaion esimbi uye kudzikamisa mashandiro emaenzyme mune mamwe maitiro ebiochemical.
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3-Morpholino-2-hydroxypropanesulfonic acid sodium munyu CAS:79803-73-9
3-Morpholino-2-hydroxypropanesulfonic acid sodium salt, inozivikanwawo seMES sodium salt, ikemikari inowanzoshandiswa senzira yekudzivirira muongororo yezvebhayoloji nemakemikari.
MES i zwitterionic buffer inoshanda se pH regulator, ichichengetedza pH yakagadzikana mumasystem akasiyana-siyana ekuyedza. Inonyungudika zvakanyanya mumvura uye ine pKa value inosvika 6.15, zvichiita kuti ikodzere kuvharwa mu pH iri pakati pe5.5 ne7.1.
Munyu we sodium weMES unoshandiswa kakawanda muhunyanzvi hwe molecular biology hwakadai sekupatsanurwa kweDNA neRNA, kuongororwa kwema enzyme, uye kucheneswa kwemapuroteni. Unoshandiswawo mu cellular culture media kuchengetedza pH yakagadzikana yekukura kwemasero uye kuwanda kwawo.
Chimwe chinhu chinoonekwa nezveMES kugadzikana kwayo mumamiriro ezvinhu emuviri uye kuramba kwayo kuchinjwa kwekupisa. Izvi zvinoita kuti ikodzere kushandiswa mukuyedza uko tembiricha inotarisirwa kuchinja.
Vaongorori vanowanzo sarudza munyu weMES sodium semushonga unochengetedza masero eropa nekuda kwekusapindirana kwawo nema enzyme reactions uye kugona kwawo kuburitsa masero eropa mukati me pH range yayo yakakwana.
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X-GAL CAS: 7240-90-6 Mutengo wemugadziri
5-Bromo-4-chloro-3-indolyl-β-D-galactoside (X-Gal) imhando yechromogenic substrate inoshandiswa mu molecular biology uye biochemistry. Inoshandiswa zvakanyanya pakutsvaga gene re lacZ, iro rinonyora enzyme β-galactosidase.
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1,2,3,4,6-Penta-O-acetyl-D-mannopyranose CAS:25941-03-1
1,2,3,4,6-Penta-O-acetyl-D-mannopyranose ikemikari inotorwa kubva kuD-mannose, shuga iri nyore. Inobva panenge paine mapoka eacetyl anobatanidzwa kune mashanu ematanhatu emahydroxyl aripo mumorekuru yemannose. Iyi fomu yeacetylated yeD-mannose inowanzoshandiswa mukugadzirwa kwezvinhu zvakasikwa uye kutsvagisa kwemakemikari sechivako kana chinhu chekutanga chekugadzira mamorekuru akaomarara. Mapoka eacetyl anopa kugadzikana uye anogona kushandura reactivity uye hunhu hwekemikari.
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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6
1,2:3,4-Di-O-isopropylidene-D-galactopyranose ikemikari inowanikwa mumhuri ye galactopyranose derivatives. Inowanzoshandiswa mu organic chemistry senzira yekudzivirira mapoka e hydroxyl ari mushuga, kunyanya galactose. Kemikari iyi inogadzirwa nekuita D-galactose ne acetone kugadzira diacetone derivative, iyo inozorapwa ne acid kugadzira di-O-isopropylidene derivative. Iyi derivative inodzivirira mapoka e hydroxyl, ichidzivirira maitiro asingadiwe panguva yekugadzira makemikari, uye inogona kubviswa nenzira yekusarudza kuti igadzirezve kemikari yekutanga. Maumbirwo ayo akaomarara uye kugadzikana kunoita kuti ive inobatsira mukushandiswa kwakasiyana-siyana mumunda we organic synthesis.
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PNPG CAS:3150-24-1 Mutengo wemugadziri
PNPG, kana kuti p-nitrophenyl β-D-glucopyranoside, imhando diki yemamorekuru inowanzoshandiswa mukuyedza biochemical kuyera mashandiro ema enzymes eglucosidase. Haina ruvara uye haisi fluorescent, asi kana ichipiswa neglucosidase, inoshandurwa kuita p-nitrophenol, ine ruvara rweyero uye inoonekwa zviri nyore ne spectrophotometric.
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ONPG CAS:369-07-3 Mutengo wemugadziri
O-nitrophenyl-β-D-galactopyranoside (ONPG) imhando yekugadzira inoshandiswa mukuongorora biochemical uye molecular biology kuyera mashandiro eenzyme β-galactosidase. Inowanzoshandiswa mukuongorora kuona magene ari mumabhakitiriya, akadai seEscherichia coli.ONPG imhando isina ruvara inochekwa neβ-galactosidase, zvichikonzera kuburitswa kweyero, o-nitrophenol. Ruvara rweyero runogadzirwa runogona kuyerwa ne spectrophotometric, zvichipa kuyerwa kusina kunanga kwebasa re enzyme. Kuyedzwa kunoshandisa ONPG kunowanzonzi ONPG assay uye inzira inoshandiswa zvakanyanya mukutsvagisa kwe molecular biology kuongorora mazinga ekutaura kwemajini anodzorwa ne lac operon mumasero ebhakitiriya.
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Nitrotetrazolium Blue Chloride CAS:298-83-9
Nitrotetrazolium Blue Chloride (NBT) chiratidzo che redox chinowanzoshandiswa mukuongorora kwehupenyu nemakemikari. Ihupfu hweyero hwakachenuruka hunoshanduka kuita bhuruu kana hwakaderedzwa, zvichiita kuti hubatsire pakuona kuvapo kwema enzymes uye mashandiro emetabolism.
NBT inobatana nemagetsi anotakura maerekitironi nemaenzyme akadai se dehydrogenases, ayo anobatanidzwa mumabasa akasiyana-siyana emasero. Kana NBT ikaderedzwa nema enzyme aya, inoumba bhuruu re formazan precipitate, zvichibvumira kuonekwa kwemaziso kana spectrophotometric.
Reagent iyi inowanzo shandiswa mukuyedza kwakadai seNBT reduction test, uko inoshandiswa kuongorora mashandiro ekufema kwemasero ekudzivirira muviri. Inogona zvakare kushandiswa kudzidza mabasa ema enzyme uye nzira dzemetabolism mukutsvaga kune chekuita nekushushikana kwe oxidative, kugara zvakanaka kwemasero, uye kusiyana kwemasero.
NBT yakawana mashandisirwo muzvikamu zvakasiyana-siyana, zvinosanganisira microbiology, immunology, uye biology yemasero. Inoshandiswa zvakasiyana-siyana, yakagadzikana, uye iri nyore kushandisa, zvichiita kuti ive sarudzo inozivikanwa kune akawanda mapuroteni ekuyedza.
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HATU CAS:148893-10-1 Mutengo wemugadziri
HATU (1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate) chinhu chinoshandiswa zvakanyanya mukubatanidza peptide synthesis uye organic chemistry.
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D-fucose CAS:3615-37-0 Mutengo wemugadziri
D-fucose imonosaccharide, kunyanya shuga ine kabhoni matanhatu, iri muboka reshuga dziri nyore dzinonzi hexoses. Isomer yeglucose, yakasiyana muchimiro cheboka rimwe chete rehydroxyl.
D-fucose inowanikwa muzvisikwa zvakasiyana-siyana, kusanganisira mabhakitiriya, fungi, zvirimwa, nemhuka. Inoita mabasa akakosha mumabasa akasiyana-siyana ehupenyu, akadai sekutumira masaini emasero, kunamatira kwemasero, uye kugadzirwa kweglycoprotein. Inhengo yeglycolipids, glycoproteins, uye proteoglycans, izvo zvine chekuita nekutaurirana nekuziva kwemasero kubva kune mamwe masero.
Muvanhu, D-fucose inobatanidzwawo mukugadzirwa kwezvinhu zvakakosha zveglycan, zvakaita seLewis antigens uye maantigen eboka reropa, izvo zvine chekuita nekuenderana kwekuwedzerwa ropa uye kukanganiswa nezvirwere.
D-fucose inogona kuwanikwa kubva kunzvimbo dzakasiyana-siyana, kusanganisira hove dzemugungwa, zvirimwa, uye kuviriswa kwebhakitiriya. Inoshandiswa mukutsvaga uye kushandiswa kwemishonga, pamwe nekugadzira mimwe mishonga nemishonga yekurapa.
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DDT CAS:3483-12-3 Mutengo wemugadziri
DL-Dithiothreitol, inozivikanwawo seDTT, chinhu chinoderedza huwandu hwemasero mumuviri chinowanzoshandiswa muongororo ye biochemical ne molecular biology. Imorekuru diki ine boka re thiol (rine sarufa) kumagumo ese.
DTT inowanzo shandiswa kupwanya ma disulfide bonds mumapuroteni, izvo zvinobatsira kuavhura kana kuabvisa. Kudzikiswa uku kwe disulfide bonds kwakakosha mumabasa akasiyana-siyana erabhoritari akadai sekuchenesa mapuroteni, gel electrophoresis, uye zvidzidzo zvemagadzirirwo emapuroteni. DTT inogona zvakare kushandiswa kudzivirira mapoka e thiol uye kudzivirira oxidation panguva yemaitiro ekuyedza.
DTT inowanzo wedzerwa mumhinduro dzekuedza kana iri diki, uye mashandiro ayo anoenderana nekuvapo kweokisijeni. Zvakakosha kubata DTT nokungwarira sezvo inonzwa mhepo, kupisa, uye hunyoro, izvo zvinogona kuderedza kushanda kwayo.
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D-(+)-Galactose CAS:59-23-4 Mutengo wemugadziri
D-(+)-Galactose ishuga ine monosaccharide uye chinhu chakakosha mumabasa mazhinji ehupenyu. Ishuga inowanikwa muzvikafu zvakawanda, zvakaita semichero, zvigadzirwa zvemukaka, nemiriwo.
Galactose inowanzo shandurwa mumuviri kuburikidza nekuita kweenzymes. Inoita basa rakakosha mukutaurirana kwemasero, kugadzirwa kwesimba, uye kugadzirwa kwemamorekuru akakosha senge glycolipids, glycoproteins, uye lactose.
Panyaya yemashandisirwo ayo, D-(+)-Galactose inowanzoshandiswa mu microbiology uye biotechnology sechinhu chinopa kabhoni mukukura kwezvipembenene zvakasiyana-siyana. Inoshandiswawo mukugadzira mishonga yakasiyana-siyana inoshanda mumuviri, mishonga, uye zvigadzirwa zvekudya. Pamusoro pezvo, inowanzoshandiswa semushonga wekuongorora chirwere, kunyanya mukuyedza kuongorora mashandiro echiropa uye kuona zvirwere zvemajini zvine chekuita ne galactose metabolism.
