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Vancomycin hydrochloride CAS:1404-93-9
Vancomycin hydrochloride mushonga unorwisa mabhakitiriya unoshandiswa kurapa hutachiona hwakaoma hunokonzerwa nemamwe marudzi emabhakitiriya. Uri muboka remishonga yeglycopeptide uye unoshanda nekudzivisa kugadzirwa kwepeptidoglycan, chinhu chakakosha pamadziro emasero emabhakitiriya. Unoshandiswa zvakanyanya kurapa hutachiona hwakadai seMRSA, Clostridium difficile-associated diarrhea, uye bacterial endocarditis..
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HEPPS CAS:16052-06-5 Mutengo wemugadziri
HEPPS, iyo inomiririra N-(2-Hydroxyethyl)piperazine-N'-2-ethanesulfonic acid, imushonga we zwitterionic buffering unoshandiswa zvakanyanya muongororo yezvebhayoloji nemakemikari. Inozivikanwa nekugona kwayo kugadzikana uye kugadzikana pamusoro pe pH yakakura, kunyanya mu pH 6.8-8.2. HEPPS inowanzo shandiswa mu cellular culture media, kuchenesa mapuroteni, enzyme reactions, uye mamwe mashandisirwo anoda pH yakarongwa zvakanaka. Inonyungudika mumvura uye inowanzo shandiswa pahuwandu hunobva pa10 mM kusvika 100 mM. HEPPS inoonekwa seisina chepfu kumasero uye ine kupindira kudiki kwemashure, zvichiita kuti ive sarudzo inozivikanwa kune akawanda ma protocol ekuyedza.
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2,3,5-Triphenyl-2H-tetrazolium chloride CAS:298-96-4
2,3,5-Triphenyl-2H-tetrazolium chloride, inozivikanwawo seTTC, chinhu chinowanzoshandiswa sechiratidzo che redox mukushandiswa kwemakemikari nehupenyu. Chinoonekwa seupfu hwekristaro hwakaita seyero-chena.
TTC inowanzoshandiswa mukuyedza kwakasiyana-siyana kwezvipenyu uye kuyedza kuona kushanda kwemasero uye mashandiro emetabolism. Kana ikawedzerwa kumasero mapenyu, inoderedzwa ne enzymes kuti igadzire chigadzirwa che red formazan. Kuderedzwa uku kunoenderana nema active dehydrogenase enzymes ari mumasero anoshanda. Nekuda kweizvozvo, huwandu hwered formazan inogadzirwa hunoenderana nehuwandu hwemasero anoshanda mumetabolism.
Kugona kweTTC kuongorora kugara kwemasero kunoita kuti ibatsire munzvimbo dzekutsvagisa dzakadai sekuongororwa kwechepfu mumuviri, kuongororwa kwekuwanda kwemasero, uye kuongororwa kwekushanda kwemishonga. Pamusoro pezvo, inoshandiswa mu microbiology pakuongorora kukura kwebhakitiriya, pamwe nezvidzidzo zvinosanganisira kukura kwenyama yezvirimwa uye kuongororwa kwekugara kwenyama.
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Gly-Pro p-nitroanilide p-toluenesulfonate munyu CAS:65096-46-0
Munyu weGly-Pro p-nitroanilide p-toluenesulfonate ikemikari inoshandiswa mukuyedza ma enzymes kuyera mashandiro ema proline-specific peptidases. Une dipeptide Gly-Pro yakabatana neboka re p-nitroanilide, iro rinogona kuburitswa nekushanda kwema proline-specific peptidases.
Mukuongorora ma enzyme, chinhu ichi chinowedzerwa mumuenzaniso une enzyme inodiwa. Enzyme iyi inobvisa chisungo pakati peglycine (Gly) neproline (Pro), ichiburitsa boka re p-nitroanilide. P-nitroanilide inoburitswa inogona kuyerwa ne spectrophotometric, zvichibvumira kuona mashandiro e enzyme.
Munyu wep-toluenesulfonate weGly-Pro p-nitroanilide unopa kugadzikana uye kunyungudika mumvura, zvichiita kuti zvikwanise kushandiswa mukuyedza ma enzymes..
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5-Bromo-4-chloro-3-indolyl-N-acetyl-beta-D-glucosaminide CAS:4264-82-8
5-Bromo-4-chloro-3-indolyl-N-acetyl-beta-D-glucosaminide chinhu chinoshandiswa muzvidzidzo zvakasiyana-siyana zve biochemical, kunyanya pakuona uye kuona mashandiro ema enzyme. I substrate inogona kunyungudutswa nema enzyme chaiwo, zvichikonzera kuburitswa kwechinhu chine ruvara kana fluorescent.
Mushonga uyu unoshandiswa zvakanyanya mukuyedza kuona kuvapo uye kushanda kwema enzyme akadai se beta-galactosidase ne beta-glucuronidase. Ma enzyme aya anobvisa mapoka e acetyl ne glucosaminide kubva mu substrate, zvichikonzera kuumbwa kwe chromophore yebhuruu kana yegirini.
Maumbirwo akasiyana e5-Bromo-4-chloro-3-indolyl-N-acetyl-beta-D-glucosaminide anoita kuti zvive nyore kuona uye kuyera mashandiro ema enzyme. Kushandiswa kwayo mumaitiro akasiyana-siyana ekuyedza, anosanganisira histochemistry, immunohistochemistry, uye masero, kwakabatsira mukunzwisisa zviri nani mashandiro ema enzyme.
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AMPPD CAS:122341-56-4 Mutengo wemugadziri
AMPPD, pfupi ye 3-(2′-spiroadamantane)-4-methoxy-4-(3″-phosphoryloxy)phenyl-1,2-dioxetane, chinhu chinoshandiswa zvakanyanya mukuongorora masero emuviri nemuviri. Chinoshandiswa zvakanyanya mukutsvagisa kwemakemikari, kuongororwa, uye sainzi yehupenyu.
AMPPD yakagadzirirwa kushandiswa pamwe chete ne alkaline phosphatase enzyme conjugates. Kana yasangana ne alkaline phosphatase, AMPPD inopinda mu enzyme cleavage reaction nekukurumidza uye zvinobudirira, zvichikonzera kubuda kwechiedza.
Chiedza chinoburitswa kubva kuAMPPD chinoonekwa uchishandisa masisitimu ekufungidzira anonzwa kana kuti ma luminometer, zvichibvumira kuyera uye kuona mamorekuru kana ma analytes akananga. Iyi nzira yekuongorora yakavakirwa pa chemiluminescence inopa kunzwisisika kwakanyanya, ruzha rwakaderera rwekumashure, uye huwandu hwakakura hwesimba.
Nekuda kwekugadzikana kwayo uye chiratidzo chinogara kwenguva refu, AMPPD yakakodzera kushandiswa kwakadai seWestern blotting, ELISA (enzyme-linked immunosorbent assay), DNA hybridization, uye in situ hybridization. Inogonesa vaongorori kuona nekuongorora mapuroteni, nucleic acids, antibodies, uye mamwe ma biomolecules.
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2,6-Dichloroindophenol sodium munyu CAS:620-45-1
3,5-Dichlorophenyldiazonium tetrafluoroborate ikemikari inoshandiswa zvakanyanya mukugadzirwa kwezvinhu zvakasikwa. Imunyu we diazonium, zvinoreva kuti ine boka re diazonium (N2+) rakabatana nemhete ye phenyl inotsiviwa nemaatomu e chlorine panzvimbo yechitatu neyechishanu.
Musanganiswa uyu unowanzo shandiswa mukuita zvinhu zvinosanganisira kubatana nemamwe macompounds anonhuhwirira. Unogona kusangana nekuita zvinhu zvakaita se electrophilic aromatic substitution, uko unogona kutamisa boka rayo re diazonium kune rimwe nucleophilic aromatic compound kuti igadzire chisungo chitsva. Izvi zvinonyanya kubatsira pakuunzwa kwemapoka anoshanda pa aromatic rings..
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3,3′-Diaminobenzidine CAS:91-95-2
3,3′-Diaminobenzidine (DAB) ikemikari inoshandiswa zvakanyanya mu immunohistochemistry (IHC) uye immunocytochemistry (ICC) techniques staining. I chromogenic substrate inogadzira brown reaction product kana yasangana ne peroxidase enzymes, zvichiratidza kuvapo kwe target antigen.
DAB inowanzo shandiswa kufungidzira mapuroteni kana mamwe mamorekuru anodiwa mukati memasampuli ehupenyu, akadai sezvikamu zvenyama kana masero. Inogona kupa chiratidzo chiri munzvimbo uye chinoonekwa cheantigen, zvichibvumira vaongorori kuona nekuongorora kupararira kwayo nekuwanda kwayo.
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(±)-6-Hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid CAS:53188-07-1
Trolox musanganiswa wezvinhu zvakagadzirwa uri muboka rema antioxidants anozivikanwa se vitamin E analogs. I antioxidant ine simba inogona kubvisa ma free radicals nekudzivirira masero nematishu kubva mukukuvadzwa kwe oxidative. Trolox yakaongororwa zvakanyanya nekuda kwekubatsira kwayo pahutano, kusanganisira kugona kwayo kuderedza kuzvimba, kudzivirira kukuvara kwemasero, uye kutsigira hutano hwemwoyo. Inowanzoshandiswa semusanganiswa we reference muongororo ye antioxidant uye sekuwedzera mune zvakasiyana-siyana zvekudya uye zvigadzirwa zvekushongedza.
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1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride CAS:25952-53-8
1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, inozivikanwawo seEDC hydrochloride kana EDAC, ikemikari inoshandiswa zvakanyanya mu biochemistry uye molecular biology se coupling agent yekushanda kwemapoka e carboxyl. Ihupfu hwe crystalline chena hunonyungudika zvakanyanya mumvura.
EDC hydrochloride inonyanya kushandiswa mukugadzirwa kwemapeptide nemapuroteni nekubatsira kuumbwa kwemaamide bonds pakati pemacarboxyl nemaamino groups. Inoshanda nekumutsa macarboxyl groups, ayo anoita nemaamino groups painenge paine coupling agent yakaita seN-hydroxysuccinimide (NHS). Izvi zvinoguma nekuumbwa kwemaamide bonds akagadzikana.
EDC hydrochloride inoshandiswawo mukutsvagisa kweDNA neRNA pakugadzirisa nekubatanidza nucleic acids, pamwe nekudzivirira kufamba kwema enzymes nemamwe ma biomolecules pamusoro. I reagent inoshanda zvakasiyana-siyana inogona kuwedzera kushanda zvakanaka uye kujeka kwemaitiro aya.
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HEPES CAS:7365-45-9 Mutengo wemugadziri
HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) ibuffer yehupenyu inowanzoshandiswa mukutsvaga kwehupenyu nemakemikari. Inozivikanwa nekukwanisa kwayo kuchengetedza pH yakagadzikana mumvura, zvichiita kuti ive yakakodzera kushandiswa kwakasiyana-siyana kunosanganisira maitiro emasero uye enzymatic. HEPES imusanganiswa wezwitterionic, zvichireva kuti ine positive ne negative charges pamapoka akasiyana anoshanda, izvo zvinoita kuti ikwanise kuramba shanduko mupH inokonzerwa nekuwedzera maacid kana mabhesi. Inowanzoshandiswa mukukura kwemasero, kuyedzwa kwema enzyme, zvidzidzo zveprotein, kuyedzwa kwe electrophoresis, uye ma pharmaceutical formulations.
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p-Nitrophenyl -aL-Fucopyranoside CAS:10231-84-2
p-Nitrophenyl-α-L-Fucopyranoside ikemikari inowanikwa muboka re nitrophenyl glycosides. Inowanzoshandiswa mukutsvagisa kwemakemikari sechikamu che enzyme α-L-fucosidase, iyo inokonzeresa hydrolysis yayo. Kemikari iyi haina ruvara uye inonyungudika mu organic solvents, zvichiita kuti ive nyore kuongororwa ne enzyme.
