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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.
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5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium salt CAS:18656-96-7
5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide Mchere wa cyclohexylammonium, womwe umadziwikanso kuti X-glucuronide, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu ma molecular biology ndi ma enzymology. Ndi gawo la chromogenic lomwe nthawi zambiri limagwiritsidwa ntchito kuzindikira ntchito ya enzyme beta-D-glucuronidase.
Phala ili limapangidwa ndi gulu la indole lolumikizidwa ku gawo la glucuronic acid kudzera mu glycosidic bond. Bromo ndi chloro substituents zimapereka kukhazikika ndikuwonjezera kusungunuka kwa phala.
Mukayikidwa mu chitsanzo chokhala ndi beta-D-glucuronidase, enzyme imadula glycosidic bond, ndikutulutsa indole moiety. Izi zimapangitsa kuti pakhale kusintha kwa buluu kapena mtundu, zomwe zimapangitsa kuti ntchito ya enzyme izioneka mosavuta kapena spectrophotometric izindikire mosavuta.
Chifukwa cha kudziwika kwake kwa beta-D-glucuronidase, X-glucuronide imagwiritsidwa ntchito kwambiri mu njira za biology ya mamolekyu monga kuyesa kusintha kwa bakiteriya ndi yisiti, kuyesa majini a reporter, ndi kuyika utoto wa histochemical. Imapereka njira yosavuta komanso yodziwira bwino kupezeka kapena kuwonetsedwa kwa beta-D-glucuronidase ndipo nthawi zambiri imagwiritsidwa ntchito limodzi ndi mayeso ena a majini kapena a biochemical.
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8-Anilino-1-naphthalenesulfonic acid CAS:82-76-8
8-Anilino-1-naphthalenesulfonic acid, yomwe imadziwikanso kuti ANS, ndi utoto wa fluorescent womwe umagwiritsidwa ntchito kwambiri mu kafukufuku wa biochemical ndi biophysical. Ndi m'gulu la mankhwala achilengedwe omwe amadziwika kuti aniline-based sulfonic acids. ANS imadziwika chifukwa cha kuthekera kwake kumangirira kumadera osagwirizana ndi madzi kapena malo osagwirizana ndi madzi m'mapuloteni ndi ma biomolecule ena.
ANS imawala ikalumikizidwa kumadera osagwirizana ndi madzi, zomwe zimapangitsa kuti ikhale njira yothandiza yophunzirira kusintha kwa kapangidwe ka mapuloteni, kuyanjana kwa mapuloteni ndi mapuloteni, komanso njira zopindika/kutuluka kwa mapuloteni. Kulumikizana kwa ANS kumadera osagwirizana ndi madzi kumabweretsa kusintha kwa buluu mu emission spectrum, komwe kumatha kuyang'aniridwa pogwiritsa ntchito fluorescence spectroscopy.
ANS nthawi zambiri imagwiritsidwa ntchito m'njira zosiyanasiyana zofufuzira, kuphatikizapo fluorescence polarization, fluorescence resonance energy transfer (FRET), ndi thermal stability assays. Yagwiritsidwa ntchito pophunzira kapangidwe ndi kukhazikika kwa mapuloteni, kuyanjana kwa mapuloteni ndi ligand, ndi njira zosonkhanitsira mapuloteni.
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CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM Mchere CAS:99792-50-4
CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM SALT ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu kafukufuku wa labotale kuti azindikire kupezeka kwa ma enzyme omwe amatha kuswa lactose, monga beta-galactosidase. Ndi ufa wopanda mtundu mpaka wachikasu wopepuka womwe umasintha kukhala wofiira pamaso pa ma enzyme awa, zomwe zimapangitsa kuti ukhale chizindikiro chothandiza pa ntchito yawo. Mchere wa sodium wa mankhwalawa umathandiza kuti usungunuke m'madzi, zomwe zimapangitsa kuti kukonzekera mosavuta ndikugwiritsa ntchito mu mayeso osiyanasiyana a enzyme.
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Tert-Butylamine CAS 75-64-9 - Ubwino Wodalirika wa Mapulogalamu Apamwamba
Tert-Butylamine (CAS 75-64-9) imadziwika bwino chifukwa cha kuyera kwake kwakukulu, kugwira ntchito kwake nthawi zonse, komanso kukhazikika kwa mankhwala. Amine iyi yosinthika ya aliphatic imadziwika chifukwa cha kusungunuka kwake kodabwitsa komanso kugwirizana kwake m'mafakitale osiyanasiyana. Ubwino waukulu ndi monga kugwira ntchito kwake ngati chomangira popanga zinthu zachilengedwe, pakati pa mankhwala, komanso kufulumizitsa ntchito yokonza rabara. Tert-Butylamine imapezanso phindu mu agrochemicals komanso ngati choletsa dzimbiri mu mafuta. Kusankha malonda athu kumatanthauza kugwira ntchito ndi akatswiri omwe amaika patsogolo kuwongolera khalidwe ndi mayankho okonzedwa ndi makasitomala, kuonetsetsa kuti mumalandira chithandizo chodalirika komanso chothandiza pa nthawi yake. Mukufuna kukulitsa magwiridwe antchito a polojekiti yanu yotsatira? Lumikizanani nafe tsopano ndipo tikambirane zomwe mukufuna!
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Neocuproine CAS 484-11-7 - Ligand Yolondola Kwambiri Yofufuza Zapamwamba
Neocuproine (CAS 484-11-7) imadziwika bwino ngati mankhwala oyeretsera oyeretsedwa kwambiri komanso apadera odziwika bwino chifukwa cha kusankha kwake kwapadera ma ayoni a mkuwa (I). Kukhazikika kwake kwa mankhwala ndi kapangidwe kake ka kristalo kumapangitsa kuti ikhale chisankho chokondedwa m'ma laboratories a maphunziro ndi mafakitale. Ubwino waukulu ndi monga kugwira ntchito kwake kodalirika mu maphunziro a spectroscopic, kafukufuku wa bioinorganic, ndi catalysis, komanso kugwirizana kwake ndi ntchito zosiyanasiyana zowunikira komanso zopangira. Kugwira ntchito bwino kwa Neocuproine kumathandiza kupanga njira zodziwira bwino komanso zovuta zatsopano mu kafukufuku wa mankhwala ndi biochemical. Kusankha ife kumatsimikizira kuti mumalandira zabwino kwambiri, kupeza zinthu zowonekera bwino, komanso chithandizo chaukadaulo chaukadaulo chopangidwa kuti chigwirizane ndi zosowa zanu zapadera. Ngati mukufuna kudziwa momwe Neocuproine ingakulitsire ntchito yanu, musazengereze kulumikizana nafe—kupambana kwanu kotsatira kafukufuku kungayambe apa. Lumikizanani nane lero kuti mukambirane zosowa zanu kapena kupempha mtengo!
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Tapso Sodium CAS: 105140-25-8 Mtengo wa Wopanga
3-[N-Tris(hydroxymethyl)methylamino]-2-hydroxypropanesulfonic acid,Inesa zwitterionic buffering agent mu mawonekedwe a sodium salt. Amagwiritsidwa ntchito kwambiri muzoyesera za biochemical ndi molecular biology kuti asunge pH yokhazikika mu mayankho.It Imasungunuka kwambiri m'madzi ndipo ili ndi pKa yofanana ndi pH ya thupi, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito m'njira zosiyanasiyana monga kuyeretsa mapuloteni, kuyesa ma enzyme, kupanga maselo, ndi electrophoresis. Kapangidwe kake ka mankhwala komanso kugwirizana kwake ndi machitidwe a zamoyo zimapangitsa kuti ikhale gawo lofunikira kwambiri m'mapuloteni osiyanasiyana a labotale.
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4-Nitrophenyl phosphate di(tris) mchere CAS:68189-42-4
Mchere wa 4-Nitrophenyl phosphate di(tris) ndi mankhwala omwe amagwiritsidwa ntchito pofufuza ndi kuzindikira matenda a biochemical. Umagwiritsidwa ntchito kwambiri ngati gawo la mayeso a alkaline phosphatase enzyme. Mcherewu, ukaphikidwa ndi alkaline phosphatase, umapanga chinthu chachikasu chomwe chingayesedwe mosavuta ndi spectrophotometric. Izi zimagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana, kuphatikizapo mayeso a enzyme-linked immunosorbent assays (ELISAs) ndi kuzindikira zochitika za phosphatase. Mphamvu ya mtundu wachikasu imagwirizana mwachindunji ndi ntchito ya enzyme, zomwe zimathandiza kuti kuchuluka kwa alkaline phosphatase kuwerengedwe molondola m'zitsanzo zamoyo. Mchere wa 4-Nitrophenyl phosphate di(tris) ndi wokhazikika, wosungunuka m'madzi, komanso wovuta kwambiri, zomwe zimapangitsa kuti ukhale chisankho chodziwika bwino cha mayeso a enzyme mu kafukufuku wa zamoyo ndi zamankhwala.
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Nitrotetrazolium blue chloride CAS:298-83-9
Nitrotetrazolium blue chloride, yomwe imadziwikanso kuti NBT kapena NBT-Cl, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri poyesa zamoyo ndi zamankhwala. Ndi ufa wachikasu wopepuka womwe umasungunuka m'madzi.
NBT imagwiritsidwa ntchito nthawi zambiri ngati chizindikiro chodziwira kupezeka kwa ma superoxide radicals kapena ma enzyme omwe amawapanga. Imasintha mtundu ikachepetsedwa ndi ma superoxide radicals, kusintha kuchoka pachikasu kupita ku formazan precipitate yabuluu. Izi nthawi zambiri zimagwiritsidwa ntchito poyesa kuphunzira za kupsinjika kwa okosijeni, kupuma kwa maselo, ndi ntchito ya ma enzyme.
NBT imagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana, monga kuchepetsa nitroblue tetrazolium, kuti iwonetse kupanga kwa superoxide m'maselo ndi minofu. Yagwiritsidwanso ntchito mu immunohistochemistry ndi histochemistry kuti ipeze ndikuzindikira ma enzyme ena ndi zigawo zina za maselo.
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NSP-AS CAS:211106-69-3 Mtengo wa Wopanga
Mchere wamkati wa 3-[9-(((3-(carboxypropyl)[4-Methxylphenyl]sulfonyl)aMine)carboxyl]-10-acridiniuMyl)-1-propanesulfonate ndi molekyulu yovuta yokhala ndi gawo la acridinium lolumikizidwa ku mchere wamkati wa propanesulfonate. Uli ndi gulu la carboxypropyl, gulu la 4-Methxylphenylsulfonyl, ndi gulu la amine. Mchere uwu mwina umapangidwa kuti ugwiritsidwe ntchito m'malo ena monga chemistry, mankhwala, kapena kafukufuku.
Kuphatikiza apo, NAC yawonetsa lonjezo lothandiza thanzi la chiwindi mwa kuthandiza kuchotsa zinthu zoopsa, monga acetaminophen, mankhwala ochepetsa ululu. Ikhozanso kuteteza chiwindi ku kuwonongeka komwe kumachitika chifukwa cha kumwa mowa.
Kuwonjezera pa mphamvu zake zoteteza ku ma antioxidants ndi kupuma, NAC yafufuzidwa kuti ipeze ubwino wake pa thanzi la maganizo. Kafukufuku wina akusonyeza kuti ikhoza kukhala ndi zotsatira zabwino pa matenda a maganizo, monga kuvutika maganizo ndi matenda okakamiza (OCD).
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L-Leucine p-nitroanilide hydrochloride CAS:16010-98-3
L-Leucine p-nitroanilide hydrochloride ndi mankhwala omwe ali m'gulu la zinthu zochokera ku p-nitroanilide. Ndi ufa wa kristalo woyera mpaka woyera womwe umagwiritsidwa ntchito kwambiri pofufuza za biochemical ndi kuyesa ma enzyme.
L-Leucine p-nitroanilide hydrochloride nthawi zambiri imagwiritsidwa ntchito ngati gawo loyezera ntchito ya ma enzyme monga ma protease ndi ma peptidases. Pamene ma enzyme amenewa amagawanika L-Leucine p-nitroanilide hydrochloride, imatulutsa p-nitroaniline, yomwe imatha kuzindikirika ndi spectrophotometric. Kuchuluka kwa kusintha kwa mtundu kumafanana mwachindunji ndi ntchito ya enzymatic, zomwe zimapangitsa kuti kuchuluka kwa ntchito ya enzyme kuwerengedwe m'zitsanzo zamoyo.
Mankhwalawa amasungunuka m'madzi ndipo amatha kusungunuka mosavuta m'njira zoyenera zogwiritsira ntchito poyesa ma enzyme. Ndikofunikira kusunga L-Leucine p-nitroanilide hydrochloride pamalo ozizira komanso ouma kuti ikhale yolimba.
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Guanidine Thiocyanate Sulfate CAS:593-84-0
Guanidine thiocyanate sulfate ndi mankhwala ochokera ku ma ayoni a guanidine, thiocyanate, ndi sulfate. Amagwiritsidwa ntchito kwambiri mu kafukufuku wa sayansi ya zamoyo ndi biochemistry ngati chaotropic.
Guanidine thiocyanate sulfate nthawi zambiri imagwiritsidwa ntchito mu njira zolekanitsira DNA ndi RNA kuti isokoneze ma cell membranes ndi mapuloteni owonongeka, zomwe zimathandiza kuti ma nucleic acids atulutsidwe bwino. Zimathandiza kuti DNA ndi RNA zisungunuke, zomwe zimathandiza kuti zilekanitsidwe ndi kuyeretsedwa kuchokera ku zitsanzo zosiyanasiyana zamoyo.
Chifukwa cha mphamvu zake za chaotropic, guanidine thiocyanate sulfate imathandiza kuswa mgwirizano wa hydrogen ndi kuyanjana kwina kosagwirizana ndi covalent, zomwe zimathandiza kulekanitsa ma nucleic acids ndi mapuloteni, lipids, ndi zigawo zina za ma cell. Zimathandizanso kuletsa ntchito ya RNase, kuonetsetsa kuti ma nucleic acids otulutsidwa ndi oyera komanso olondola..
