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I-Diethylene triamine pentaacetic acid CAS:67-43-6
I-Diethylene triamine pentaacetic acid (DTPA) iyinhlanganisela yamakhemikhali evame ukusetshenziswa njenge-chelating agent. Inamandla okubopha ngama-ion ensimbi esindayo, ikakhulukazi lawo afana ne-lead, i-mercury, ne-cadmium, ukuze yakhe ama-complexes azinzile. I-DTPA isetshenziswa ezinhlotsheni ezahlukene zokusebenza, okuhlanganisa ukulungiswa kwemvelo, ukwelashwa kwezokwelapha, izinqubo zezimboni, kanye nemithi ye-radiopharmaceuticals. Izici zayo ze-metal-chelating ziyenza isebenze kahle ekususeni izinsimbi ezisindayo emanzini angcolile, ekwelapheni ubuthi bensimbi esindayo, ekuvimbeleni ukuphazamiseka kokusabela kwamakhemikhali, kanye nokwenza kube lula ukulethwa kwemithi yokwelapha okuqondiwe. Sekukonke, i-DTPA iyinhlanganisela eguquguqukayo enezinhlelo zokusebenza ezibalulekile ezimbonini ezahlukene.
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2,2′-Oxybis(ethylamine) dihydrochloride CAS:60792-79-2
I-2,2′-Oxybis(ethylamine) dihydrochloride, eyaziwa nangokuthi i-diethylenetriamine, iyinhlanganisela yamakhemikhali enefomula yama-molecule C6H16N2Cl2. Iwuketshezi olucacile, olungenambala olunephunga elihlukile.
I-Diethylenetriamine isetshenziswa kakhulu njengebhloko yokwakha ekuhlanganisweni kwamakhemikhali ahlukahlukene e-organic. Ivame ukusetshenziswa njenge-ejenti yokuxhumanisa ekukhiqizweni kwezinto ze-polymeric, njenge-resins, izinamathiseli, kanye nezingubo. Ingasebenza futhi njenge-ejenti ye-chelating yama-ion ensimbi, okwenza ibe usizo ekusetshenzisweni okufana nokufakwa kwensimbi kanye nokwelashwa kwamanzi.
Ngaphezu kwalokho, i-diethylenetriamine isetshenziswa embonini yezemithi njengento yokuqala yokwenziwa kwemithi ethile kanye nemithi ephakathi. Ingashintshwa ukuze yethule imisebenzi ethile futhi ithuthukise ukusebenza kahle kwemithi.
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I-Ethidium Bromide CAS:1239-45-8
I-Ethidium bromide (EtBr) iwudayi ojwayelekile we-fluorescent osetshenziswa ku-molecular biology kanye ne-biochemistry ukuze kubonwe ama-nucleic acid, ikakhulukazi i-DNA, ku-agarose gel electrophoresis. Ine-affinity ephezulu ye-DNA futhi, uma ivezwa ekukhanyeni kwe-ultraviolet (UV), iyakhanya futhi ikhiphe umbala obomvu-orenji. Lokhu kuvumela abacwaningi ukuthi babone futhi bahlaziye kalula izingcezu ze-DNA ezihlukaniswe ngobukhulu ku-gel matrix.
I-EtBr ihlangana phakathi kwezibili eziyisisekelo ze-DNA ne-RNA, okubangela ushintsho ezimpawini zayo ze-fluorescence. Ivame ukungezwa kuma-gel e-agarose noma ixutshwe namasampula e-DNA ngaphambi kwe-electrophoresis. Lapho ijeli ivezwa ekukhanyeni kwe-UV, ama-band e-DNA aqukethe i-EtBr abonakala njengama-band anombala o-orenji akhanyayo ngokumelene nesizinda esimnyama, okwenza kube lula ukubona ngeso lengqondo nokuhlaziya izingcezu ze-DNA.
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3,3′-Diaminobenzidine CAS:91-95-2
I-3,3′-Diaminobenzidine (DAB) iyinhlanganisela yamakhemikhali evame ukusetshenziswa ku-biochemistry kanye ne-histology yokufaka ama-protein, ama-nucleic acid, namanye ama-macromolecule. Uma i-oxidized, yakha i-precipitate enombala onsundu ebonakala kalula ngaphansi kwe-microscope. Ukufaka ama-DAB kuvame ukusetshenziswa ukuthola ubukhona kanye nendawo yama-molecule athile, njenge-antigens noma ama-enzyme, kumaseli nasezicutshini. Kuyindlela ethandwayo yokukhetha amasu e-immunohistochemistry kanye ne-immunocytochemistry ngenxa yokuzwela kwayo okuphezulu kanye nokuqina. Ukufaka ama-DAB kunganikeza ukuqonda okubalulekile ngezakhiwo zamaseli kanye nokusebenzisana kwama-molecule, kusize ocwaningweni nasekuxilongweni emikhakheni efana nemithi, i-biology, kanye ne-pathology.
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I-Glycine CAS: 56-40-6 Intengo Yomkhiqizi
I-Glycine ingenye yama-amino acid alula kakhulu futhi ibhekwa njengengabalulekile, okusho ukuthi umzimba ungayikhiqiza wodwa. Idlala indima ebalulekile ekwakhiweni kwamaprotheni, isebenza njengesisekelo sokwakheka kwamaprotheni.
I-Glycine ibandakanyeka nasezinqubweni ezahlukahlukene ze-metabolic emzimbeni. Isebenza njengesandulela samakhemikhali amaningana abalulekile, okuhlanganisa i-heme (ingxenye ye-hemoglobin) kanye ne-creatine (ebalulekile ekusebenzeni kwamandla emisipha).
Ngaphezu kwalokho, i-glycine isebenza njenge-neurotransmitter ohlelweni lwezinzwa oluphakathi, idlala indima ekuguquleni ukujabula kwamaseli ezinzwa. Kuye kwaxhunyaniswa nokukhuthaza ukuphumula, ukuzola, kanye nekhwalithi yokulala ethuthukisiwe.
I-Glycine itholakala ngokwemvelo emithonjeni yokudla eminingana, okuhlanganisa inyama, izinkukhu, inhlanzi, imikhiqizo yobisi, ubhontshisi, kanye nezithelo nemifino ethile. Ukwengezwa kwayo kungasetshenziswa ukusekela ukukhula kwemisipha, ukuthuthukisa ikhwalithi yokulala, nokukhuthaza inhlalakahle iyonke.
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4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBARATE CAS:459-64-3
I-4-Methoxybenzenediazonium tetrafluoroborate iyinhlanganisela yamakhemikhali engaphansi kwesigaba sikasawoti we-diazonium. Yakhiwa yiqembu le-diazonium (N≡N⁺) elinamathiselwe endandathoni ye-4-methoxybenzene, kanti i-counterion yayo yi-tetrafluoroborate (BF4⁻).
Ama-salts e-Diazonium aziwa ngokusabela kwawo futhi avame ukusetshenziswa njengezinto ezisizayo ekusabeleni okuhlukahlukene kokwenziwa kwezinto eziphilayo. Angadlula ezinguqukweni ezahlukahlukene, okuhlanganisa ukushintshaniswa kwe-electrophilic aromatic, ukusabela kokuhlanganisa, kanye nokwakheka kwe-azo dye.
I-4-Methoxybenzenediazonium tetrafluoroborate isetshenziswe ngokukhethekile kumakhemikhali e-organic ukwethula iqembu le-4-methoxybenzene kwamanye ama-molecule ngokusebenzisa ukusabela kokuxhumanisa kwe-diazonium. Iyi-reagent ewusizo yokwenziwa kwe-aryl derivatives futhi ingasetshenziswa ekulungiseleleni imithi, amakhemikhali ezolimo, kanye nezinye izinto eziphilayo.
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I-Iodonitrotetrazolium chloride CAS:146-68-9
I-Iodonitrotetrazolium chloride iyinhlanganisela esetshenziswa kakhulu ekuhlolweni kwezinto eziphilayo kanye namakhemikhali ukuze kutholakale ukuthi kukhona ama-enzyme e-dehydrogenase. Ivame ukusetshenziswa njengodayi we-redox ukuze kubonwe umsebenzi we-metabolic weseli. Le nhlanganisela ngokuvamile ayinambala kodwa yakha umkhiqizo obomvu we-formazan lapho isabela nama-enzyme athile akhona kumaseli aphilayo. Lokhu kusabela kuvumela abacwaningi ukuthi babone ngokubonakalayo umsebenzi kanye nokuphila kwamaseli ekuhlolweni noma ekuhlolweni kokuxilonga.
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4-Nitrophenyl phosphate disodium salt hexahydrate CAS:4264-83-9
I-4-Nitrophenyl phosphate disodium salt hexahydrate iyinhlanganisela yamakhemikhali evame ukusetshenziswa njengesisekelo sokuthola umsebenzi wama-enzyme e-phosphatase. Ibonakala njengempuphu emhlophe kuya kwemhlophe futhi incibilika kakhulu emanzini. Uma isetshenziswa ama-enzyme e-phosphatase, ibhekana nokusabela okuholela ekukhiqizweni kombala ophuzi, ongalinganiswa nge-spectrophotometric. Le nhlanganisela ithola ukusetshenziswa ezivivinyweni ezahlukahlukene ze-biochemical kanye nama-diagnostic kit okuthola nokulinganisa umsebenzi we-phosphatase kumasampula..
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I-Methylphenazinium methosulfate CAS:299-11-6
I-Methylphenazinium methosulfate (MPMS) iyinhlanganisela esebenza nge-redox evame ukusetshenziswa njengesithwali sama-electron ezifundweni ezahlukahlukene ze-biochemical kanye ne-biophysical. Iwusawoti oqukethe i-methylphenazinium cation (inhlanganisela ye-heterocyclic) kanye ne-methosulfate anion.
I-MPMS ivame ukusetshenziswa njengendlela ehlukile kunezinye izithwali zama-electron zendabuko, njenge-ferricyanide noma i-phenazine ethosulfate, ngenxa yokuqina kwayo kanye nokuncibilika kwayo okuphezulu emanzini. Inezakhiwo ezinhle ze-redox, ezivumela ukuthi yamukele futhi idlulise ama-electron ngesikhathi sokuphendula kwe-enzyme.
Enye yezindlela ezibalulekile zokusebenzisa i-MPMS kusezihlolweni ezihilela ukukalwa kokudluliswa kwama-electron noma umsebenzi we-enzyme. Ivame ukusetshenziswa kanye nohlelo lwe-enzyme ukuqapha ukudluliswa kwama-electron phakathi kwezingxenye ezahlukene. Ukuncipha kwe-MPMS kungatholakala nge-spectrophotometric, lapho ukumuncwa kwayo kushintsha khona ngenxa yezinqubo zokudluliswa kwama-electron.
I-MPMS isetshenziswa nasezifundweni ezihlobene nokuphefumula kwe-mitochondrial kanye ne-oxidative phosphorylation. Ingasebenza njengokwamukela ama-electron okwenziwa, okuvumela abacwaningi ukuthi baphenye ukusebenza kanye nokulawulwa kwalezi zinqubo ezinhlelweni ezahlukene zezinto eziphilayo.
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4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2
I-4-Nitrophenyl-alpha-L-fucopyranoside iyinhlanganisela yamakhemikhali eyingxenye yomndeni wama-glycoside. Yakhiwa i-molecule kashukela we-fucose exhunywe eqenjini le-4-nitrophenyl. Le nhlanganisela ivame ukusetshenziswa njenge-substrate ekuhlolweni kwe-enzyme ukuze kufundwe umsebenzi wama-fucosidases, angama-enzyme ahilelekile ekuqhekekeni kwama-molecule aqukethe i-fucose. Uma isetshenziswa yi-enzyme ye-fucosidase, i-4-nitrophenyl-alpha-L-fucopyranoside iyaqhekeka, okuholela ekukhishweni kwe-4-nitrophenol, engalinganiswa ngobuningi kusetshenziswa i-spectrophotometry. Le substrate iwusizo kakhulu ezifundweni ezihlobene nomsebenzi we-enzymatic, ukucaciswa kwe-substrate, ukuhlolwa kwe-inhibitor, kanye ne-kinetics yama-enzyme e-fucosidase.
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I-N-Ethylmaleimide CAS:128-53-0 Intengo Yomkhiqizi
I-N-Ethylmaleimide (NEM) iyinhlanganisela encane ephilayo evame ukusetshenziswa ocwaningweni lwe-biochemistry kanye ne-molecular biology. Isebenza njengesivimbeli esithile samaqembu e-protein sulfhydryl (thiol) ngokushintsha nokuvimba ngokungenakuguqulwa umsebenzi wawo. I-NEM isabela kakhulu kumaqembu e-sulfhydryl, njengalawo atholakala ku-amino acid cysteine, futhi ingasabela kokubili namaqembu e-sulfhydryl amahhala kanye nalawo angaphakathi kwamaprotheni. Lokhu kwenza i-NEM ibe ithuluzi eliwusizo lokufunda umsebenzi wamaprotheni, ukusebenzisana kwamaprotheni namaprotheni, kanye nomsebenzi we-enzyme. Izici zayo zokuvimbela zisetshenziswe ezinhlobonhlobo zezicelo, kufaka phakathi i-proteomics, i-enzymology, i-structural biology, kanye nokutholakala kwezidakamizwa.
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4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2
I-4-Fluoro-7-nitrobenzofurazan iyinhlanganisela yamakhemikhali enefomula yama-molecule i-C6H2FN3O3. Iyi-crystalline solid ephuzi esetshenziswa kakhulu njenge-reagent ekuphenduleni okuhlukahlukene kwamakhemikhali. I-4-Fluoro-7-nitrobenzofurazan yaziwa ngekhono layo lokusabela nama-amine ayinhloko, yakha ama-fluorescent derivatives angaba usizo ekusetshenzisweni kokuhlaziya okufana nokulebula amaprotheni kanye nokuhlaziywa kwe-amino acid. Iphinde isetshenziswe ezifundweni ezihlobene ne-enzyme kinetics kanye nokunqunywa kokulandelana kwe-nucleic acid.
