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i-popso disodium CAS:108321-07-9
Usawoti we-disodium i-Piperazine-N,N'-bis (2-hydroxypropanesulphonic acid) uyinhlanganisela yamakhemikhali eyakhiwe amaqembu e-piperazine, bis (2-hydroxypropanesulphonic acid), kanye nama-ion amabili e-sodium. Ivame ukusetshenziswa njenge-ejenti yokubopha kanye nomlawuli we-pH ezinhlotsheni ezahlukahlukene zezimboni nezelebhu. Le nhlanganisela isiza ukugcina i-pH ethile ezixazululweni, okwenza ibe usizo ezinqubweni ezifana nokuhlanzwa kwamaprotheni, i-biology yama-molecular, kanye nocwaningo lwemithi. Ngaphezu kwalokho, ingasebenza futhi njenge-ejenti yokwehlisa ama-ion ensimbi futhi izinzise umsebenzi we-enzyme kwezinye izindlela zamakhemikhali.
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3-Morpholino-2-hydroxypropanesulfonic acid usawoti wesodium CAS:79803-73-9
Usawoti we-sodium we-3-Morpholino-2-hydroxypropanesulfonic acid, owaziwa nangokuthi usawoti we-sodium we-MES, uyinhlanganisela yamakhemikhali evame ukusetshenziswa njenge-ejenti yokubopha ocwaningweni lwezinto eziphilayo kanye nolwe-biochemical.
I-MES iyi-zwitterionic buffer esebenza njengomlawuli we-pH, igcina i-pH izinzile ezinhlelweni ezahlukene zokuhlola. Incibilika kakhulu emanzini futhi inenani le-pKa elicishe libe ngu-6.15, okwenza ifaneleke ukuncibilikisa ebangeni le-pH eliphakathi kuka-5.5 no-7.1.
Usawoti we-MES sodium uvame ukusetshenziswa kumasu e-molecular biology njengokuhlukaniswa kwe-DNA ne-RNA, ukuhlolwa kwe-enzyme, kanye nokuhlanzwa kwamaprotheni. Uphinde usetshenziswe kwimidiya yokukhulisa amaseli ukugcina indawo ezinzile ye-pH yokukhula nokwanda kwamaseli.
Isici esisodwa esiphawulekayo se-MES ukuzinza kwayo ngaphansi kwezimo zomzimba kanye nokumelana nezinguquko ekushiseni. Lokhu kuyenza ifaneleke ukusetshenziswa ezivivinyweni lapho kulindeleke khona ukuguquguquka kwezinga lokushisa.
Abacwaningi bavame ukukhetha usawoti we-MES sodium njenge-buffer ngenxa yokuphazamiseka kwawo okuncane kokusabela kwe-enzyme kanye nomthamo ophezulu we-buffer ngaphakathi kobubanzi bawo be-pH obuhle kakhulu.
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I-X-GAL CAS: 7240-90-6 Intengo Yomkhiqizi
I-5-Bromo-4-chloro-3-indolyl-β-D-galactoside (X-Gal) iyi-substrate evamile ye-chromogenic esetshenziswa ku-biology yama-molecule kanye ne-biochemistry. Isetshenziswa kabanzi ukuthola i-lacZ gene, efaka ikhodi ye-enzyme i-β-galactosidase.
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1,2,3,4,6-Penta-O-acetyl-D-mannopyranose CAS:25941-03-1
I-1,2,3,4,6-Penta-O-acetyl-D-mannopyranose iyinhlanganisela yamakhemikhali etholakala ku-D-mannose, ushukela olula. Iyi-derivative lapho amaqembu e-acetyl enamathele khona kumaqembu amahlanu kwangu-6 e-hydroxyl akhona ku-molecule ye-mannose. Lolu hlobo lwe-acetylated lwe-D-mannose luvame ukusetshenziswa ekuhlanganisweni kwezinto eziphilayo kanye nocwaningo lwamakhemikhali njengebhulokhi yokwakha noma izinto zokuqala zokwenziwa kwama-molecule ayinkimbinkimbi kakhulu. Amaqembu e-acetyl ahlinzeka ngokuqina futhi angashintsha ukusabela kanye nezakhiwo zenhlanganisela.
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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6
I-1,2:3,4-Di-O-isopropylidene-D-galactopyranose iyinhlanganisela yamakhemikhali eyingxenye yomndeni we-galactopyranose derivatives. Ivame ukusetshenziswa kumakhemikhali e-organic njenge-ejenti yokuvikela amaqembu e-hydroxyl akhona kushukela, ikakhulukazi i-galactose. Le nhlanganisela yenziwa ngokuphendula i-D-galactose ne-acetone ukuze kwakheke i-diacetone derivative, bese iphathwa nge-asidi ukuze kwakheke i-di-O-isopropylidene derivative. Le derivative ivikela amaqembu e-hydroxyl, ivimbele ukusabela okungafuneki ngesikhathi sokwenziwa kwamakhemikhali, futhi ingasuswa ngokukhetha ukuze kuphinde kukhiqizwe inhlanganisela yokuqala. Isakhiwo sayo esiqinile kanye nokuqina kwayo kwenza kube nenzuzo ezisetshenzisweni ezahlukene emkhakheni wokwenziwa kwezinto eziphilayo.
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I-PNPG CAS: 3150-24-1 Intengo Yomkhiqizi
I-PNPG, noma i-p-nitrophenyl β-D-glucopyranoside, iyi-substrate encane yama-molecule evame ukusetshenziswa ekuhlolweni kwamakhemikhali ukuze kulinganiswe umsebenzi wama-enzyme e-glucosidase. Ayinambala futhi ayi-fluorescent, kodwa uma i-hydrolysis iqhutshwa yi-glucosidase, iguqulwa ibe yi-p-nitrophenol, enombala ophuzi futhi itholakala kalula nge-spectrophotometric.
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I-ONPG CAS:369-07-3 Intengo Yomkhiqizi
I-O-nitrophenyl-β-D-galactopyranoside (ONPG) iyi-substrate yokwenziwa esetshenziswa ekuhlolweni kwe-biochemical kanye ne-molecular biology ukukala umsebenzi we-enzyme i-β-galactosidase. Ivame ukusetshenziswa ekuhlolweni ukuthola ukubonakaliswa kwezakhi zofuzo ezinhlelweni zamagciwane, njenge-Escherichia coli. I-ONPG iyi-compound engenambala ehlukaniswa yi-β-galactosidase, okuholela ekukhishweni kwe-compound ephuzi, i-o-nitrophenol. Umbala ophuzi okhiqizwayo ungalinganiswa nge-spectrophotometric, unikeze isilinganiso esingaqondile somsebenzi we-enzyme. Ukuhlolwa okusebenzisa i-ONPG kuvame ukubizwa ngokuthi i-ONPG assay futhi kuyindlela esetshenziswa kabanzi ocwaningweni lwe-molecular biology ukuhlola amazinga okubonakaliswa kwezakhi zofuzo ezilawulwa yi-lac operon kumaseli ebhaktheriya.
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I-Nitrotetrazolium Blue Chloride CAS:298-83-9
I-Nitrotetrazolium Blue Chloride (NBT) iyinkomba ye-redox evame ukusetshenziswa ekuhlolweni kwezinto eziphilayo kanye nezamakhemikhali. Iyimpuphu ephuzi ekhanyayo ephenduka ibe luhlaza okwesibhakabhaka uma incishisiwe, okwenza kube wusizo ekutholeni ukuba khona kwama-enzyme athile kanye nomsebenzi we-metabolic.
I-NBT isabela nabathwali bama-electron nama-enzyme afana nama-dehydrogenase, ahilelekile ezinqubweni ezahlukene zamaseli. Lapho i-NBT incishiswa yilawa ma-enzyme, yakha i-blue formazan precipitate, okuvumela ukutholwa okubonakalayo noma kwe-spectrophotometric.
Le reagent ivame ukusetshenziswa ekuhlolweni okufana nokuhlolwa kokunciphisa i-NBT, lapho isetshenziswa khona ukuhlola umsebenzi wokuqhuma kokuphefumula kwamaseli omzimba. Ingasetshenziswa futhi ukutadisha imisebenzi ye-enzyme kanye nezindlela ze-metabolic ocwaningweni oluphathelene nokucindezeleka kwe-oxidative, ukuphila kwamaseli, kanye nokuhlukaniswa kwamaseli.
I-NBT ithole izinhlelo zokusebenza emikhakheni eyahlukene, okuhlanganisa i-microbiology, i-immunology, kanye ne-cell biology. Iyakwazi ukushintshashintsha, izinzile, futhi kulula ukuyisebenzisa, okwenza kube ukukhetha okuthandwayo kwezinqubo eziningi zokuhlola.
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I-HATU CAS:148893-10-1 Intengo Yomkhiqizi
I-HATU (1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate) iyi-reagent yokuhlanganisa esetshenziswa kakhulu ekwakhiweni kwe-peptide kanye ne-organic chemistry.
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I-D-fucose CAS:3615-37-0 Intengo Yomkhiqizi
I-D-fucose iyi-monosaccharide, ikakhulukazi ushukela we-carbon ayisithupha, ongoweqembu loshukela olula olubizwa ngokuthi ama-hexoses. Iyi-isomer ye-glucose, ehlukile ekubunjweni kweqembu elilodwa le-hydroxyl.
I-D-fucose itholakala ngokwemvelo ezintweni eziphilayo ezahlukahlukene, okuhlanganisa amabhaktheriya, isikhunta, izitshalo, kanye nezilwane. Idlala indima ebalulekile ezinqubweni eziningana zezinto eziphilayo, njengokubonisana kwamaseli, ukunamathela kwamaseli, kanye nokwakheka kwama-glycoprotein. Iyingxenye yama-glycolipids, ama-glycoprotein, kanye nama-proteoglycans, ahilelekile ekuxhumaneni nasekuqaphelweni kwamaseli.
Kubantu, i-D-fucose nayo ihilelekile ekwakhiweni kwezakhiwo ezibalulekile ze-glycan, njenge-Lewis antigens kanye ne-antigens yeqembu legazi, okunomthelela ekuvumelaneni kwegazi kanye nokuzwela ezifweni.
I-D-fucose ingatholakala emithonjeni eyahlukahlukene, okuhlanganisa ulwandle, izitshalo, kanye nokubiliswa kwamagciwane. Isetshenziswa ocwaningweni kanye nasekusetshenzisweni kwezokwelapha, kanye nasekukhiqizweni kwemithi ethile kanye namakhemikhali okwelapha.
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I-DDT CAS:3483-12-3 Intengo Yomkhiqizi
I-DL-Dithiothreitol, eyaziwa nangokuthi i-DTT, iyi-ejenti yokunciphisa evame ukusetshenziswa ocwaningweni lwe-biochemical kanye ne-molecular biology. Iyi-molecule encane eneqembu le-thiol (eliqukethe i-sulfur) ekugcineni ngakunye.
I-DTT ivame ukusetshenziselwa ukuphula izibopho ze-disulfide kumaprotheni, okusiza ukuwavula noma ukuwasusa. Lokhu kunciphisa izibopho ze-disulfide kubalulekile ezinqubweni ezahlukene zelebhu njengokuhlanzwa kwamaprotheni, i-gel electrophoresis, kanye nezifundo zesakhiwo samaprotheni. I-DTT ingasetshenziswa futhi ukuvikela amaqembu e-thiol nokuvimbela i-oxidation ngesikhathi sezinqubo zokuhlola.
I-DTT ivame ukungezwa ezixazululweni zokuhlola ngamanani amancane, futhi umsebenzi wayo uncike ekubeni khona komoya-mpilo. Kubalulekile ukuphatha i-DTT ngokucophelela njengoba izwela emoyeni, ekushiseni, kanye nomswakama, okunganciphisa ukusebenza kwayo.
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I-D-(+)-Galactose CAS:59-23-4 Intengo Yomkhiqizi
I-D-(+)-Galactose ushukela we-monosaccharide futhi uyingxenye ebalulekile yezinqubo eziningi zebhayoloji. Ushukela ovela ngokwemvelo otholakala ekudleni okuningi, njengezithelo, imikhiqizo yobisi, kanye nemifino.
I-Galactose ivame ukwakheka emzimbeni ngokusebenzisa uchungechunge lwezindlela zokusabela kwama-enzyme. Idlala indima ebalulekile ekuxhumaneni kwamaseli, ekukhiqizweni kwamandla, kanye nasekuhlanganisweni kwama-molecule abalulekile njenge-glycolipids, ama-glycoprotein, kanye ne-lactose.
Ngokuphathelene nokusetshenziswa kwayo, i-D-(+)-Galactose ivame ukusetshenziswa ku-microbiology kanye ne-biotechnology njengomthombo wekhabhoni emithonjeni yokukhulisa amagciwane ahlukahlukene. Iphinde isetshenziswe ekukhiqizweni kwamakhemikhali ahlukahlukene asebenzayo, imithi, kanye nemikhiqizo yokudla. Ngaphezu kwalokho, ivame ukusetshenziswa njenge-ejenti yokuxilonga yezokwelapha, ikakhulukazi ekuhlolweni kokuhlola ukusebenza kwesibindi kanye nokuthola izifo zofuzo ezihlobene nokuguqulwa kwe-galactose.
