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Mchere wa Fast Violet B CAS:14726-28-4
Mchere wa Fast Violet B ndi utoto wopangidwa womwe umagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana. Umagwiritsidwa ntchito makamaka mu labotale ya histology ndi microbiology ngati chopaka utoto kuti uwonjezere mawonekedwe a maselo. Kuphatikiza apo, uli ndi mphamvu zopha tizilombo toyambitsa matenda ndipo wakhala ukugwiritsidwa ntchito kale ngati mankhwala ochizira matenda a pakhungu ndi mabala. Mchere wa Fast Violet B umagwiritsidwanso ntchito ngati utoto m'mafakitale monga nsalu, kusindikiza, mapepala, ndi kupanga inki..
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4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside CAS:3459-18-5
4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu kafukufuku wa biochemical ndi molecular biology. Ndi substrate yomwe imadziwika kuti pNAG, yomwe imagwiritsidwa ntchito makamaka mu enzyme assays kuti izindikire ndikuyesa ntchito ya ma enzyme omwe amathira hydrolyze β-D-glucoside bonds.
PNAG ndi yopanda utoto komanso yosakhala yowala, koma ikapangidwa ndi ma enzyme enaake, imapanga chinthu chachikasu, p-nitrophenol. Khalidweli limapangitsa pNAG kukhala yothandiza pozindikira ndikuwerengera ntchito ya ma enzyme monga β-glucosidases, omwe amayambitsa kugawanika kwa ma β-D-glucoside bonds.
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AHMT CAS:1750-12-5 Mtengo wa Wopanga
4-Amino-3-hydrazino-1,2,4-triazol-5-thiol ndi mankhwala achilengedwe okhala ndi formula ya molekyulu ya C2H6N6S. Ndi ufa wachikasu wa kristalo ndipo umadziwikanso ndi mayina ena monga AHHT, 4-AT, kapena 5-Mercapto-3-aminotetrazole.
Chomerachi chingagwiritsidwe ntchito m'magawo osiyanasiyana, kuphatikizapo mankhwala, mankhwala a agrochemicals, ndi mankhwala azinthu. Chingagwiritsidwe ntchito ngati chomangira kupanga mankhwala ovuta kapena ngati choyambira kupanga mamolekyu atsopano.
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2,4-Dichlorobenzenediazonium tetrafluoroborate CAS:21872-70-8
2,4-Dichlorobenzenediazonium tetrafluoroborate ndi mankhwala omwe amapangidwa ndi mphete ya benzene yolumikizidwa ku gulu la diazonium. Mzere wa benzene umalowetsedwa m'malo ndi maatomu a chlorine pamalo 2 ndi 4. Mchere wa tetrafluoroborate umawonjezedwa kuti ukhale wolimba komanso wosungunuka.
Kapangidwe kameneka kamagwiritsidwa ntchito kwambiri mu kapangidwe ka organic monga cholumikizira cha diazonium. Kakhoza kuchitidwa ndi diazonium coupling reactions ndi mitundu yosiyanasiyana ya nucleophilic compounds, monga amines, phenols, ndi carbon nucleophiles. Izi zimapangitsa kuti pakhale aromatic compounds, zomwe zingagwiritsidwe ntchito mu utoto, utoto, mankhwala, ndi zinthu zina zachilengedwe..
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1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose CAS:4163-59-1
1,2,3,4,6-penta-O-acetyl-alpha-D-galactopyranose ndi mankhwala omwe ali m'gulu la chakudya. Ndi ochokera ku alpha-D-galactopyranose, shuga wobadwa mwachibadwa. Mankhwalawa ali ndi magulu asanu a acetyl omwe amamangiriridwa ku magulu enaake a hydroxyl pa molekyulu ya shuga. Amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana komanso m'mafakitale, kuphatikizapo ngati chinthu choyambira kupanga mankhwala ena. Kapangidwe kake ka acetylated kamawonjezera kukhazikika kwake ndi kuchitapo kanthu, zomwe zimapangitsa kuti ikhale chinthu chothandiza pakupanga mankhwala achilengedwe.
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POPSO CAS: 68189-43-5 Mtengo wa Wopanga
POPSO, chidule cha Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid) sesquisodium salt, ndi mankhwala otetezera omwe amagwiritsidwa ntchito kwambiri mu kafukufuku wa zamoyo ndi zamankhwala. Amathandiza kusunga pH yokhazikika mu mayankho, makamaka mkati mwa pH ya thupi. Mchere wa sesquisodium wa PIPES umagwiritsidwa ntchito mu chitukuko cha maselo, biochemistry ya mapuloteni, electrophoresis, njira za biology ya molecular, machitidwe operekera mankhwala, ndi zina zambiri. Kutha kwake kulamulira pH kumapangitsa kuti ikhale chida chofunikira kwambiri mu kafukufuku wosiyanasiyana ndi ntchito zamafakitale.
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BES CAS: 10191-18-1 Mtengo wa Wopanga
N,N-Bis(hydroxyethyl)-2-aminoethanesulfonic acid, yomwe imadziwikanso kuti BES kapena N,N-Bis(2-hydroxyethyl)aminoethanesulfonic acid, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera m'magwiritsidwe osiyanasiyana asayansi ndi mafakitale.
BES ndi mankhwala a zwitterionic, zomwe zikutanthauza kuti ali ndi mphamvu zabwino komanso zoyipa mkati mwa kapangidwe kake. Kapangidwe kameneka kamathandiza kuti isunge pH yokhazikika bwino mu mayankho.
BES ili ndi pKa pafupifupi 7.4, zomwe zimapangitsa kuti ikhale yothandiza kwambiri pochepetsa kuchuluka kwa pH m'thupi. Nthawi zambiri imagwiritsidwa ntchito poyesa zamoyo ndi zamankhwala, monga kuyeretsa mapuloteni, zochita za ma enzyme, ndi chikhalidwe cha maselo, komwe kusunga pH inayake ndikofunikira kwambiri.
Kuphatikiza apo, BES imagwiritsidwa ntchito kwambiri mu njira zamagetsi, chifukwa imathandiza kusunga pH yofunikira pakulekanitsa ndi kusanthula ma biomolecules omwe ali ndi mphamvu, monga mapuloteni ndi ma nucleic acid.
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3-(N,N-dimethyldodecylammonio) propanesulfonate CAS:14933-08-5
N-(2-Aminoethyl)morpholine, yomwe imadziwikanso kuti AEM, ndi mankhwala okhala ndi kapangidwe kolunjika. Imapangidwa ndi mphete ya morpholine yokhala ndi gulu la aminoethyl yolumikizidwa ku imodzi mwa maatomu ake a nayitrogeni. AEM ndi madzi opanda mtundu omwe ali ndi fungo lodziwika bwino.
AEM imagwiritsidwa ntchito m'magawo osiyanasiyana a mafakitale. Imagwiritsidwa ntchito makamaka ngati chosungunulira cha zinthu zachilengedwe chifukwa cha mphamvu zake zabwino zosungunulira. Kuphatikiza apo, AEM imagwira ntchito ngati choletsa dzimbiri m'mafakitale okhudzana ndi kuyeretsa zitsulo, kupanga mafuta ndi gasi, komanso kuyeretsa madzi. Imathandiza kuteteza zitsulo ku dzimbiri ndi dzimbiri.
Kuphatikiza apo, AEM imagwira ntchito ngati mankhwala ophatikizira kupanga mankhwala, mankhwala a agrochemicals, ndi mankhwala apadera. Imagwiritsidwa ntchito mu zowonjezera za polima kuti ikonze mphamvu zomatira za zokutira, zomatira, ndi zotsekera. AEM imagwiritsidwanso ntchito ngati chosinthira pH kapena chothandizira kusungiramo zinthu m'mafakitale ena.
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MES monohydrate CAS:145224-94-8
MES monohydrate ndi mtundu wa 4-Morpholineethanesulfonic acid (MES), chinthu chosungira chomwe chimagwiritsidwa ntchito kwambiri mu kafukufuku wa zamoyo ndi zamankhwala. Ndi ufa woyera wa kristalo womwe umasungunuka m'madzi ndipo uli ndi phindu la pKa pafupifupi 6.1. MES monohydrate imadziwika chifukwa cha kuthekera kwake kusunga pH yokhazikika pakati pa 5.5 ndi 6.7, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito zosiyanasiyana monga maphunziro a enzyme, kuyeretsa mapuloteni, gel electrophoresis, chikhalidwe cha maselo, ndi machitidwe a mankhwala. Kusinthasintha kwake komanso kugwirizana kwake ndi machitidwe a zamoyo kumapangitsa kuti ikhale gawo lofunikira kwambiri mu zoyeserera zambiri za labotale ndi njira.
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Alpha-D-Shuga pentaacetate CAS:3891-59-6
Alpha-D-glucose pentaacetate ndi mankhwala omwe amapezeka poika acetyl m'magulu a hydroxyl a alpha-D-glucose ndi magulu asanu a acetyl. Amagwiritsidwa ntchito kwambiri popanga zinthu zachilengedwe ngati gulu loteteza magulu a hydroxyl omwe ali mu chakudya. Angagwiritsidwenso ntchito ngati mankhwala ofunikira pakufufuza ndi kusanthula mankhwala, komanso ngati chinthu choyambira kupanga mankhwala osiyanasiyana. Kuphatikiza apo, glucose pentaacetate yafufuzidwa kuti ingagwiritsidwe ntchito bwanji m'njira zoperekera mankhwala, chifukwa cha mphamvu zake zowongolera kutulutsa.
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Tris-HCl CAS:1185-53-1 Mtengo wa Wopanga
Tris-HCl, yomwe imadziwikanso kuti Tris hydrochloride, ndi chinthu chogwiritsidwa ntchito kwambiri m'njira zosiyanasiyana. Ndi kuphatikiza kwa Tris (tris(hydroxymethyl)aminomethane) ndi hydrochloric acid. Dongosolo losungiramo zinthuli ndi lothandiza kwambiri pakusunga pH yokhazikika, makamaka pa pH 7-9. Tris-HCl imagwiritsidwa ntchito kwambiri mu njira za biology ya molecular, protein biochemistry, enzymology, ndi ntchito zina za biochemical. Zimathandiza kusunga pH yoyenera yofunikira pa njirazi, kuonetsetsa kuti mapuloteni, ma enzyme, ndi ma nucleic acids akukhazikika komanso akugwira ntchito. Tris-HCl imapezeka m'njira zosiyanasiyana, monga ufa kapena njira zosakanikirana, zomwe zimapangitsa kuti zikhale zosavuta kukonzekera ndikugwiritsa ntchito m'malo osiyanasiyana a labotale.
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N-ethyl-N-(3-sulfopropyl)-M-anisidinesodium CAS:82611-88-9
Mchere wa sodium wa N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline ndi mankhwala omwe ali ndi gulu la N-ethyl, gulu la sulfopropyl, ndi gulu la 3-methoxyaniline. Nthawi zambiri umapezeka ngati mchere wa sodium, womwe umawonjezera kusungunuka kwake m'madzi.
Chosakaniza ichi chimagwiritsidwa ntchito m'mafakitale ndi m'mafukufuku. Chingagwiritsidwe ntchito ngati chosinthira utoto, chothandizira, kapena ngati chosinthira mu kapangidwe ka organic. Kapangidwe kake, monga kusungunuka, kukhazikika, ndi reactivity, zimapangitsa kuti chigwiritsidwe ntchito m'magawo osiyanasiyana.
