Ifowuni: +86 19033786557
Ibhanti kunye nendlela: Intsebenziswano, uVumelwano kunye nokuphumelela phakathi koBuntu
iimveliso

Ikhemikhali Entle

  • I-Diethylene triamine pentaacetic acid CAS:67-43-6

    I-Diethylene triamine pentaacetic acid CAS:67-43-6

    I-Diethylene triamine pentaacetic acid (DTPA) yikhemikhali esetyenziswa kakhulu njenge-chelating agent. Inamandla okubopha ngee-ion zesinyithi esinzima, ngakumbi ezo zifana ne-lead, i-mercury, kunye ne-cadmium, ukuze zenze ii-complexes ezizinzileyo. I-DTPA isetyenziswa kwiindlela ezahlukeneyo zokusebenza, kubandakanya ukulungiswa kwendalo, unyango lwezonyango, iinkqubo zoshishino, kunye ne-radiopharmaceuticals. Iimpawu zayo zesinyithi-chelating zenza ukuba isebenze ekususeni iintsimbi ezinzima emanzini amdaka, ekunyangeni ityhefu yesinyithi esinzima, ekuthintela ukuphazamiseka kwiimpendulo zeekhemikhali, kunye nokwenza kube lula ukuhanjiswa kwamayeza onyango ekujoliswe kuwo. Ngokubanzi, i-DTPA yikhemikhali eguquguqukayo enezicelo ezibalulekileyo kumashishini ahlukeneyo.

    uphandoiinkcukacha
  • 2,2′-Oxybis(ethylamine) dihydrochloride CAS:60792-79-2

    2,2′-Oxybis(ethylamine) dihydrochloride CAS:60792-79-2

    I-2,2′-Oxybis(ethylamine) dihydrochloride, ekwaziwa ngokuba yi-diethylenetriamine, yikhemikhali equlethe ifomula yemolekyuli i-C6H16N2Cl2. Lulwelo olucacileyo, olungenambala olunevumba elikhethekileyo.

    I-Diethylenetriamine isetyenziswa kakhulu njengebhloko yokwakha ekuhlanganiseni iikhompawundi ezahlukeneyo ze-organic. Idla ngokusetyenziswa njenge-arhente yokudibanisa imveliso yezinto ze-polymeric, ezifana nee-resins, izincamathelisi, kunye neengubo. Ingasebenza njenge-arhente yokudibanisa ii-ion zesinyithi, nto leyo eyenza ukuba ibe luncedo kwizicelo ezifana nokufakelwa kwesinyithi kunye nonyango lwamanzi.

    Ukongeza, i-diethylenetriamine isetyenziswa kwishishini lamayeza njengesixhobo sokuqala sokudibanisa amayeza athile kunye nezinye izinto ezidityanisiweyo zamayeza. Ingatshintshwa ukuze ingenise imisebenzi ethile kunye nokuphucula ukusebenza kakuhle kwamayeza.

     

    uphandoiinkcukacha
  • I-Ethidium Bromide CAS:1239-45-8

    I-Ethidium Bromide CAS:1239-45-8

    I-Ethidium bromide (EtBr) yidayi eqhelekileyo ye-fluorescent esetyenziswa kwi-molecular biology nakwi-biochemistry ukuze kubonwe ii-nucleic acids, ngakumbi i-DNA, kwi-agarose gel electrophoresis. Inomdla ophezulu kwi-DNA kwaye, xa ivezwa kukukhanya kwe-ultraviolet (UV), iyakhanya kwaye ikhuphe umbala obomvu-orenji. Oku kuvumela abaphandi ukuba babone kwaye bahlalutye ngokulula iziqwenga ze-DNA ezahlulwe ngobukhulu kwi-gel matrix.

    I-EtBr idibana phakathi kwezibini ezisisiseko ze-DNA kunye ne-RNA, nto leyo ebangela utshintsho kwiimpawu zayo ze-fluorescence. Idla ngokudityaniswa kwiijeli ze-agarose okanye ixutywe neesampuli ze-DNA ngaphambi kwe-electrophoresis. Xa ijeli ivezwe ekukhanyeni kwe-UV, iibhendi ze-DNA ezine-EtBr zibonakala njengeebhendi ezi-orenji ezikhanyayo ngokuchasene nemvelaphi emnyama, okwenza kube lula ukubona nokuhlalutya iziqwenga ze-DNA.

    uphandoiinkcukacha
  • I-3,3′-Diaminobenzidine CAS:91-95-2

    I-3,3′-Diaminobenzidine CAS:91-95-2

    I-3,3′-Diaminobenzidine (DAB) yikhemikhali esetyenziswa kakhulu kwi-biochemistry nakwi-histology yokufaka imibala kwiiproteni, ii-nucleic acids, kunye nezinye ii-macromolecules. Xa i-oxidized, yenza i-precipitate enombala omdaka ebonakala lula phantsi kwe-microscope. I-DAB staining idla ngokusetyenziswa ukufumanisa ubukho kunye nendawo yee-molecules ezithile, ezifana nee-antigens okanye ii-enzymes, kwiiseli kunye nezicubu. Lukhetho oludumileyo lweendlela ze-immunohistochemistry kunye ne-immunocytochemistry ngenxa yobuntununtunu bayo obuphezulu kunye nokuzinza. I-DAB staining inokubonelela ngolwazi oluxabisekileyo malunga nezakhiwo zeseli kunye nokusebenzisana kwee-molecular, inceda kuphando kunye nokuxilongwa kwiinkalo ezifana neyeza, i-biology, kunye ne-pathology.

     

    uphandoiinkcukacha
  • I-Glycine CAS: 56-40-6 Ixabiso lomenzi

    I-Glycine CAS: 56-40-6 Ixabiso lomenzi

    I-Glycine yenye yezona amino acid zilula kwaye ithathwa njengengabalulekanga, nto leyo ethetha ukuba umzimba unokuyivelisa ngokwawo. Idlala indima ebalulekileyo ekuhlanganisweni kweeproteni, isebenza njengebhloko yokwakha iiproteni.

    I-Glycine ikwabandakanyeka kwiinkqubo ezahlukeneyo ze-metabolism emzimbeni. Isebenza njengomanduleli weekhompawundi ezininzi ezibalulekileyo, kuquka i-heme (inxalenye ye-hemoglobin) kunye ne-creatine (ebalulekileyo kwi-metabolism yamandla kwimisipha).

    Ukongeza, i-glycine isebenza njenge-neurotransmitter kwinkqubo ye-nervous central, idlala indima ekulawuleni ukuvuseleleka kweeseli ze-nervous. Inxulunyaniswe nokukhuthaza ukuphumla, ukuzola, kunye nomgangatho wokulala ophucukileyo.

    I-Glycine ifumaneka ngokwemvelo kwiindawo ezahlukeneyo zokutya, kuquka inyama, iinkukhu, iintlanzi, iimveliso zobisi, iimbotyi, kunye neziqhamo nemifuno ethile. Ukongezwa kwayo kungasetyenziselwa ukuxhasa ukukhula kwezihlunu, ukuphucula umgangatho wokulala, kunye nokukhuthaza impilo-ntle iyonke.

     

    uphandoiinkcukacha
  • 4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBARATE CAS:459-64-3

    4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBARATE CAS:459-64-3

    I-4-Methoxybenzenediazonium tetrafluoroborate yikhemikhali ekwiklasi yeetyuwa ze-diazonium. Iqulathe iqela le-diazonium (N≡N⁺) eliqhotyoshelwe kwiringi ye-4-methoxybenzene, kwaye i-counterion yayo yi-tetrafluoroborate (BF4⁻).

    Iityuwa zeDiazonium zaziwa ngokusabela kwazo kwaye zihlala zisetyenziswa njengezinto eziphakathi kwiimpendulo ezahlukeneyo zokwenziwa kwezinto eziphilayo. Zinokuguqulwa ngeendlela ezahlukeneyo, kubandakanya ukutshintshwa kwe-electrophilic aromatic, ii-coupling reactions, kunye ne-azo dye synthesis.

    I-4-Methoxybenzenediazonium tetrafluoroborate isetyenzisiwe ngokukodwa kwi-organic chemistry ukwazisa iqela le-4-methoxybenzene kwezinye iimolekyuli ngokusebenzisa ii-diazonium coupling reactions. Yi-reagent eluncedo ekuhlanganiseni i-aryl derivatives kwaye ingasetyenziswa ekulungiseleleni amayeza, ii-agrochemicals, kunye nezinye ii-organic compounds.

     

    uphandoiinkcukacha
  • Iodonitrotetrazolium chloride CAS:146-68-9

    Iodonitrotetrazolium chloride CAS:146-68-9

    I-Iodonitrotetrazolium chloride yikhompawundi esetyenziswa kakhulu kwiimvavanyo zebhayoloji kunye nezebhayoloji ukufumanisa ubukho bee-enzymes ze-dehydrogenase. Ihlala isetyenziswa njengedayi ye-redox ukubona umsebenzi we-metabolism yeseli. Le khompawundi idla ngokungabi nambala kodwa yenza imveliso ebomvu ye-formazan xa isabela kwii-enzyme ezithile ezikhoyo kwiiseli eziphilayo. Le mpendulo ivumela abaphandi ukuba babone ngokubonakalayo umsebenzi kunye nokuphila kweeseli kwiimvavanyo okanye kwiimvavanyo zokuxilonga.

     

    uphandoiinkcukacha
  • I-4-Nitrophenyl phosphate disodium salt hexahydrate CAS:4264-83-9

    I-4-Nitrophenyl phosphate disodium salt hexahydrate CAS:4264-83-9

    I-4-Nitrophenyl phosphate disodium salt hexahydrate yikhemikhali esetyenziswa kakhulu njengesiseko sokufumanisa umsebenzi wee-enzymes ze-phosphatase. Ibonakala njengomgubo omhlophe ukuya komhlophe kwaye iyanyibilika kakhulu emanzini. Xa isetyenziswa zii-enzymes ze-phosphatase, ifumana impendulo ekhokelela ekuvelisweni kombala otyheli, onokulinganiswa nge-spectrophotometric. Le khemikhali ifumana izicelo kwiimvavanyo ezahlukeneyo ze-biochemical kunye neekhithi zokuxilonga zokufumanisa nokulinganisa umsebenzi we-phosphatase kwiisampuli..

    uphandoiinkcukacha
  • I-Methylphenazinium methosulfate CAS:299-11-6

    I-Methylphenazinium methosulfate CAS:299-11-6

    I-Methylphenazinium methosulfate (MPMS) yikhompawundi esebenzayo kwi-redox esetyenziswa kakhulu njengomthwali we-electron kwizifundo ezahlukeneyo ze-biochemical kunye ne-biophysical. Yityuwa equlathe i-methylphenazinium cation (ikhompawundi ye-heterocyclic) kunye ne-methosulfate anion.

    I-MPMS idla ngokusetyenziswa njengendlela eyahlukileyo kwiindawo zokuthwala ii-electron zemveli, ezifana ne-ferricyanide okanye i-phenazine ethosulfate, ngenxa yozinzo lwayo kunye nokunyibilika okuphezulu emanzini. Ineempawu ezilungileyo ze-redox, ezivumela ukuba yamkele kwaye idlulise ii-electron ngexesha leempendulo ze-enzyme.

    Enye yeendlela eziphambili zokusetyenziswa kwe-MPMS kukuvavanya okubandakanya ukulinganiswa kokudluliselwa kwee-electron okanye umsebenzi we-enzyme. Isetyenziswa rhoqo kunye nenkqubo ye-enzyme ukujonga ukudluliselwa kwee-electron phakathi kwezinto ezahlukeneyo. Ukuncipha kwe-MPMS kunokubonwa nge-spectrophotometric, apho ukufunxwa kwayo kutshintsha ngenxa yeenkqubo zokudluliselwa kwee-electron.

    I-MPMS ikwasetyenziswa kwizifundo ezinxulumene nokuphefumla kwe-mitochondrial kunye ne-oxidative phosphorylation. Ingasebenza njenge-electron acceptor yokwenziwa, ivumela abaphandi ukuba baphande ukusebenza kunye nokulawulwa kwezi nkqubo kwiinkqubo ezahlukeneyo zebhayoloji.

     

    uphandoiinkcukacha
  • I-4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2

    I-4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2

    I-4-Nitrophenyl-alpha-L-fucopyranoside yikhemikhali eyinxalenye yosapho lwee-glycosides. Iqulathe imolekyuli yeswekile ye-fucose eqhotyoshelwe kwiqela le-4-nitrophenyl. Le khompawundi isetyenziswa kakhulu njengesiseko kwizilingo ze-enzymatic ukufunda umsebenzi wee-fucosidases, ezizi-enzymes ezibandakanyeka ekuqhekekeni kwee-molecules ezine-fucose. Xa isetyenziswa yi-enzyme ye-fucosidase, i-4-nitrophenyl-alpha-L-fucopyranoside iyaqhekeka, nto leyo ebangela ukukhululwa kwe-4-nitrophenol, enokulinganiswa ngokobuninzi kusetyenziswa i-spectrophotometry. Le substrate iluncedo ngakumbi kwizifundo ezinxulumene nomsebenzi we-enzymatic, ukucaciswa kwesiseko, ukuhlolwa kwe-inhibitor, kunye ne-kinetics yee-enzymes ze-fucosidase.

    uphandoiinkcukacha
  • I-N-Ethylmaleimide CAS:128-53-0 Ixabiso lomenzi

    I-N-Ethylmaleimide CAS:128-53-0 Ixabiso lomenzi

    I-N-Ethylmaleimide (NEM) yikhompawundi encinci yendalo esetyenziswa kakhulu kuphando lwe-biochemistry kunye ne-molecular biology. Isebenza njengesithinteli esithile samaqela e-protein sulfhydryl (thiol) ngokuguqula nokuthintela ngokungenakuphikiswa umsebenzi wawo. I-NEM isabela kakhulu kumaqela e-sulfhydryl, njengalawo afumaneka kwi-amino acid cysteine, kwaye inokusabela kumaqela e-sulfhydryl akhululekileyo kunye nalawo angaphakathi kwi-protein. Oku kwenza i-NEM ibe sisixhobo esiluncedo sokufunda umsebenzi we-protein, ukusebenzisana kwe-protein-protein, kunye nomsebenzi we-enzyme. Iimpawu zayo zokuthintela zisetyenziswe kwiindlela ezahlukeneyo zokusebenza, kubandakanya i-proteomics, i-enzymology, i-structural biology, kunye nokufunyanwa kwamayeza.

     

    uphandoiinkcukacha
  • I-4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2

    I-4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2

    I-4-Fluoro-7-nitrobenzofurazan yikhemikhali equlethe ifomula yemolekyuli i-C6H2FN3O3. Yikristale etyheli eqinileyo esetyenziswa kakhulu njenge-reagent kwiimpendulo ezahlukeneyo zeekhemikhali. I-4-Fluoro-7-nitrobenzofurazan yaziwa ngokukwazi kwayo ukusabela kunye nee-amines eziphambili, yenze ii-fluorescent derivatives ezinokuba luncedo kwizicelo zohlalutyo ezifana nokulebhelisha iiproteni kunye nohlalutyo lwe-amino acid. Ikwasetyenziswa kwizifundo ezinxulumene ne-enzyme kinetics kunye nokuqinisekiswa kwe-nucleic acid sequences.

    uphandoiinkcukacha
<< < Eyangaphambili635636637638639640641Okulandelayo >>> Iphepha 638 / 656