-
Diethylene triamine pentaacetic acid CAS:67-43-6
Diethylene triamine pentaacetic acid (DTPA) ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati mankhwala ophera tizilombo toyambitsa matenda. Amatha kumangirira ndi ma ayoni a zitsulo zolemera, makamaka monga lead, mercury, ndi cadmium, kuti apange zinthu zokhazikika. DTPA imagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo kukonza chilengedwe, chithandizo chamankhwala, njira zamafakitale, ndi mankhwala ophera tizilombo toyambitsa matenda. Mphamvu zake zophera tizilombo toyambitsa matenda zimapangitsa kuti ikhale yothandiza pochotsa zitsulo zolemera m'madzi otayira, pochiza poizoni wa zitsulo zolemera, popewa kusokoneza zochita za mankhwala, komanso pothandiza kuti mankhwala ochiritsira aperekedwe bwino. Ponseponse, DTPA ndi mankhwala ogwiritsidwa ntchito mosiyanasiyana omwe amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana.
-
2,2'-Oxybis(ethylamine) dihydrochloride CAS:60792-79-2
2,2′-Oxybis(ethylamine) dihydrochloride, yomwe imadziwikanso kuti diethylenetriamine, ndi mankhwala omwe ali ndi formula ya molekyulu C6H16N2Cl2. Ndi madzi owoneka bwino, opanda mtundu komanso fungo lodziwika bwino.
Diethylenetriamine imagwiritsidwa ntchito makamaka ngati chomangira popanga zinthu zosiyanasiyana zachilengedwe. Nthawi zambiri imagwiritsidwa ntchito ngati cholumikizira cholumikizira popanga zinthu za polymeric, monga ma resin, zomatira, ndi zokutira. Ithanso kugwira ntchito ngati chothandizira chelating cha ma ayoni achitsulo, zomwe zimapangitsa kuti ikhale yothandiza pakugwiritsa ntchito monga kuphimba zitsulo ndi kukonza madzi.
Kuphatikiza apo, diethylenetriamine imagwiritsidwa ntchito mumakampani opanga mankhwala ngati chinthu choyambira popanga mankhwala ena ndi zinthu zina zophatikizira mankhwala. Itha kusinthidwa kuti ipange magwiridwe antchito enaake ndikuwonjezera mphamvu ya mankhwala.
-
Ethidium Bromide CAS:1239-45-8
Ethidium bromide (EtBr) ndi utoto wodziwika bwino wa fluorescent womwe umagwiritsidwa ntchito mu biology ya mamolekyulu ndi biochemistry poyang'ana ma nucleic acids, makamaka DNA, mu agarose gel electrophoresis. Uli ndi mphamvu yayikulu pa DNA ndipo, ukawonekera ku kuwala kwa ultraviolet (UV), umawala ndipo umatulutsa mtundu wofiira ngati lalanje. Izi zimathandiza ofufuza kuzindikira mosavuta ndikusanthula zidutswa za DNA zolekanitsidwa ndi kukula mu gel matrix.
EtBr imalumikizana pakati pa ma base pairs a DNA ndi RNA, zomwe zimapangitsa kusintha kwa fluorescence yake. Nthawi zambiri imawonjezeredwa ku agarose gels kapena kusakanizidwa ndi zitsanzo za DNA isanayambe electrophoresis. Gel ikawonetsedwa ku kuwala kwa UV, ma DNA bands okhala ndi EtBr amawoneka ngati ma lalanje owala motsutsana ndi maziko amdima, zomwe zimapangitsa kuti zikhale zosavuta kuwona ndikuwunika zidutswa za DNA.
-
3,3′-Diaminobenzidine CAS:91-95-2
3,3′-Diaminobenzidine (DAB) ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu biochemistry ndi histology popaka utoto mapuloteni, nucleic acids, ndi ma macromolecules ena. Akasungunuka, amapanga mtundu wa bulauni womwe umawonedwa mosavuta pansi pa maikulosikopu. Kupaka utoto wa DAB nthawi zambiri kumagwiritsidwa ntchito kuzindikira kupezeka ndi malo a mamolekyu enaake, monga ma antigen kapena ma enzymes, m'maselo ndi minofu. Ndi chisankho chodziwika bwino cha njira za immunohistochemistry ndi immunocytochemistry chifukwa cha kukhudzidwa kwake kwakukulu komanso kukhazikika. Kupaka utoto wa DAB kungapereke chidziwitso chofunikira pa kapangidwe ka maselo ndi kuyanjana kwa mamolekyu, kuthandiza pakufufuza ndi kuzindikira matenda m'magawo monga mankhwala, biology, ndi matenda.
-
Glycine CAS: 56-40-6 Mtengo wa Wopanga
Glycine ndi imodzi mwa ma amino acid osavuta kwambiri ndipo imaonedwa kuti si yofunika kwambiri, zomwe zikutanthauza kuti thupi limatha kupanga lokha. Imagwira ntchito yofunika kwambiri pakupanga mapuloteni, yomwe imagwira ntchito ngati chomangira mapangidwe a mapuloteni.
Glycine imagwiranso ntchito m'njira zosiyanasiyana za kagayidwe kachakudya m'thupi. Imagwira ntchito ngati choyambira cha zinthu zingapo zofunika, kuphatikizapo heme (gawo la hemoglobin) ndi creatine (yofunikira pa kagayidwe kachakudya m'minofu).
Kuphatikiza apo, glycine imagwira ntchito ngati neurotransmitter mu dongosolo lapakati la mitsempha, imagwira ntchito yosintha kusangalala kwa maselo amitsempha. Yalumikizidwa ndi kulimbikitsa kupumula, bata, komanso kugona bwino.
Glycine imapezeka mwachilengedwe m'zakudya zosiyanasiyana, kuphatikizapo nyama, nkhuku, nsomba, mkaka, nyemba, ndi zipatso ndi ndiwo zamasamba zina. Zowonjezera zake zingagwiritsidwe ntchito pothandizira kukula kwa minofu, kukonza kugona bwino, komanso kulimbikitsa thanzi labwino.
-
4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE CAS:459-64-3
4-Methoxybenzenediazonium tetrafluoroborate ndi mankhwala omwe ali m'gulu la mchere wa diazonium. Amapangidwa ndi gulu la diazonium (N≡N⁺) lolumikizidwa ku mphete ya 4-methoxybenzene, ndipo chotsutsana chake ndi tetrafluoroborate (BF4⁻).
Mchere wa Diazonium umadziwika ndi reactivity yawo ndipo nthawi zambiri umagwiritsidwa ntchito ngati intermediates mu organic synthesis reactions zosiyanasiyana. Amatha kusintha mosiyanasiyana, kuphatikizapo electrophilic aromatic substitution, coupling reactions, ndi azo dye synthesis.
4-Methoxybenzenediazonium tetrafluoroborate yagwiritsidwa ntchito makamaka mu organic chemistry kuti ilowetse gulu la 4-methoxybenzene pamamolekyu ena kudzera mu diazonium coupling reactions. Ndi reagent yothandiza popanga aryl derivatives ndipo ingagwiritsidwe ntchito pokonza mankhwala, agrochemicals, ndi mankhwala ena a organic.
-
Iodonitrotetrazolium chloride CAS:146-68-9
Iodonitrotetrazolium chloride ndi mankhwala omwe amagwiritsidwa ntchito kwambiri poyesa zamoyo ndi zamankhwala kuti azindikire kupezeka kwa ma enzyme a dehydrogenase. Nthawi zambiri amagwiritsidwa ntchito ngati utoto wa redox kuti awonetse momwe maselo amagwirira ntchito. Mankhwalawa nthawi zambiri amakhala opanda mtundu koma amapanga chinthu chofiira cha formazan chikachita ndi ma enzyme enaake omwe ali m'maselo amoyo. Izi zimathandiza ofufuza kudziwa momwe maselo amagwirira ntchito komanso momwe maselo amagwirira ntchito poyesa kapena poyesa matenda.
-
4-Nitrophenyl phosphate disodium salt hexahydrate CAS:4264-83-9
4-Nitrophenyl phosphate disodium salt hexahydrate ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati gawo lodziwira momwe ma enzyme a phosphatase amagwirira ntchito. Amaoneka ngati ufa woyera mpaka woyera ndipo amasungunuka kwambiri m'madzi. Ma enzyme a phosphatase akagwiritsidwa ntchito, amakumana ndi zomwe zimapangitsa kuti mtundu wachikasu upangidwe, womwe ungayesedwe ndi spectrophotometric. Mankhwalawa amapeza ntchito mu mayeso osiyanasiyana a biochemical ndi zida zodziwira matenda kuti azindikire ndikuyeza kuchuluka kwa ntchito ya phosphatase m'zitsanzo..
-
Methylphenazinium methosulfate CAS:299-11-6
Methylphenazinium methosulfate (MPMS) ndi mankhwala opangidwa ndi redox omwe amagwiritsidwa ntchito kwambiri ngati chonyamulira ma elekitironi m'maphunziro osiyanasiyana a biochemical ndi biophysical. Ndi mchere wopangidwa ndi methylphenazinium cation (mankhwala opangidwa ndi heterocyclic) ndi methosulfate anion.
MPMS nthawi zambiri imagwiritsidwa ntchito ngati njira ina m'malo mwa zonyamulira zamagetsi zachikhalidwe, monga ferricyanide kapena phenazine ethosulfate, chifukwa cha kukhazikika kwake komanso kusungunuka kwakukulu m'madzi. Ili ndi mphamvu zabwino za redox, zomwe zimailola kulandira ndikusamutsa ma elekitironi panthawi ya ma enzyme.
Chimodzi mwa ntchito zofunika kwambiri za MPMS ndi mu mayeso omwe amaphatikizapo kuyeza kusamutsa ma elekitironi kapena ntchito ya enzymatic. Kawirikawiri imagwiritsidwa ntchito limodzi ndi dongosolo la enzyme kuti iwunikire kusamutsa ma elekitironi pakati pa zigawo zosiyanasiyana. Kuchepa kwa MPMS kumatha kuzindikirika ndi spectrophotometric, komwe kuyamwa kwake kumasintha chifukwa cha njira zotumizira ma elekitironi.
MPMS imagwiritsidwanso ntchito mu maphunziro okhudzana ndi kupuma kwa mitochondrial ndi phosphorylation ya oxidative. Itha kugwira ntchito ngati cholandirira ma elekitironi chopangidwa, zomwe zimathandiza ofufuza kufufuza momwe zinthuzi zimagwirira ntchito komanso momwe zimayendera m'njira zosiyanasiyana zamoyo.
-
4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2
4-Nitrophenyl-alpha-L-fucopyranoside ndi mankhwala omwe ali m'gulu la ma glycosides. Amapangidwa ndi molekyulu ya shuga ya fucose yolumikizidwa ku gulu la 4-nitrophenyl. Mankhwalawa amagwiritsidwa ntchito kwambiri ngati gawo la ma enzymes poyesa ntchito ya ma fucosidases, omwe ndi ma enzymes omwe amakhudzidwa ndi kusweka kwa mamolekyu okhala ndi fucose. Enzyme ya fucosidase ikagwiritsidwa ntchito, 4-nitrophenyl-alpha-L-fucopyranoside imadulidwa, zomwe zimapangitsa kuti 4-nitrophenol itulutsidwe, yomwe imatha kuyezedwa pogwiritsa ntchito spectrophotometry. Gawoli ndi lothandiza kwambiri pamaphunziro okhudzana ndi ntchito ya enzymatic, kudziwika kwa gawo, kuyesa zoletsa, komanso kinetics ya ma enzymes a fucosidase.
-
N-Ethylmaleimide CAS:128-53-0 Mtengo wa Wopanga
N-Ethylmaleimide (NEM) ndi mankhwala ang'onoang'ono achilengedwe omwe amagwiritsidwa ntchito kwambiri mu kafukufuku wa biochemistry ndi molecular biology. Imagwira ntchito ngati choletsa chapadera cha magulu a protein sulfhydryl (thiol) mwa kusintha mosasinthika ndikuletsa ntchito yawo. NEM imagwira ntchito kwambiri ndi magulu a sulfhydryl, monga omwe amapezeka mu amino acid cysteine, ndipo imatha kuchitapo kanthu ndi magulu a free sulfhydryl komanso omwe ali mkati mwa mapuloteni. Izi zimapangitsa NEM kukhala chida chothandiza pophunzira ntchito ya mapuloteni, kuyanjana kwa mapuloteni ndi mapuloteni, ndi ntchito ya enzyme. Makhalidwe ake oletsa agwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo proteomics, enzymology, structural biology, ndi kupeza mankhwala.
-
4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2
4-Fluoro-7-nitrobenzofurazan ndi mankhwala omwe ali ndi formula ya molekyulu C6H2FN3O3. Ndi kristalo wachikasu wolimba womwe umagwiritsidwa ntchito makamaka ngati reagent muzochita zosiyanasiyana za mankhwala. 4-Fluoro-7-nitrobenzofurazan imadziwika ndi kuthekera kwake kuchitapo kanthu ndi ma amine oyambira, ndikupanga ma fluorescent derivatives omwe angakhale othandiza pakugwiritsa ntchito kusanthula monga kulemba ma protein ndi kusanthula kwa amino acid. Imagwiritsidwanso ntchito mu maphunziro okhudzana ndi kinetics ya enzyme ndi kudziwa ma nucleic acid sequences.
