-
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.
-
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.
-
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.
-
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.
-
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.
-
2,3,4,6-TETRA-O-BENZOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE CAS:14218-11-2
2,3,4,6-Tetra-O-benzoyl-alpha-D-glucopyranosyl bromide ndi mankhwala omwe ali m'gulu la zinthu zochokera ku shuga. Lili ndi molekyulu ya shuga yokhala ndi magulu anayi a benzoyl omangiriridwa ku magulu ake a hydroxyl, pamodzi ndi atomu ya bromide pamalo a anomeric.
Kapangidwe kameneka kamagwiritsidwa ntchito makamaka mu mankhwala ndi organic chemistry ngati gulu loteteza ntchito ya hydroxyl ya shuga. Magulu a benzoyl amagwira ntchito yobisa magulu a hydroxyl omwe amagwira ntchito kwakanthawi, zomwe zimapangitsa kuti asavutike ndi zochita zosafunikira za mankhwala panthawi yopanga. Izi zimathandiza kuti magulu enaake a hydroxyl agwire ntchito mosankha m'magulu enaake a shuga.
Kuphatikiza apo, zinthu zochokera ku shuga zomwe zimatetezedwa ndi benzoyl zingagwiritsidwe ntchito ngati zomangira zopangira ma glycosides ndi ma glycoconjugates osiyanasiyana. Ma glycosides ndi mankhwala omwe amapangidwa ndi kulumikizana kwa molekyulu ya shuga ndi gawo lina, monga mankhwala kapena chinthu chachilengedwe, ndipo amagwiritsidwa ntchito popanga mankhwala ndi biology ya mankhwala.
-
TOOS CAS: 82692-93-1 Mtengo wa Wopanga
Sodium 3-(N-ethyl-3-methylanilino)-2-hydroxypropanesulfonate ndi mankhwala omwe amadziwika kuti MESNa. Amagwiritsidwa ntchito makamaka ngati chochepetsera mu biochemistry ndi molecular biology. MESNa imatha kuswa ma disulfide bond mu mapuloteni, kuwasandutsa magulu a sulfhydryl. Njira yochepetsera iyi ndi yofunika kwambiri pa ntchito zosiyanasiyana monga kusintha kwa mapuloteni, kupewa kusonkhana kwa mapuloteni, kulemba ma protein, ndi kubwereranso kwa mapuloteni. MESNa imagwira ntchito yofunika kwambiri pakusintha mapuloteni, kusanthula, ndi kusintha kafukufuku wasayansi.
-
CAPSO Na CAS:102601-34-3 Mtengo wa Wopanga
CAPSO Na, yomwe imadziwikanso kuti 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid sodium salt, ndi mankhwala omwe ali m'gulu la ma sulfonic acid. Ndi zwitterionic buffer yomwe imagwiritsidwa ntchito kwambiri m'magwiritsidwe osiyanasiyana a biochemical ndi molecular biology.
CAPSO Na imagwira ntchito ngati chothandizira chowongolera pH ndipo imagwiritsidwa ntchito kwambiri mu buffer formulations kuti pH ikhale yokhazikika mu mtundu winawake. Ili ndi pKa value ya pafupifupi 9.8 ndipo nthawi zambiri imagwiritsidwa ntchito mu zoyeserera zomwe zimafuna pH pakati pa 8.5 ndi 10.
Mchere wa sodium wa CAPSO (CAPSO Na) umathandiza kusungunuka ndi kusamalidwa mosavuta poyerekeza ndi mtundu wa asidi waulere. Umasungunuka m'madzi ndipo umapanga mayankho okhazikika pamlingo wosiyanasiyana, zomwe zimapangitsa kuti ukhale wosavuta kugwiritsa ntchito m'ma laboratories osiyanasiyana.
Ntchito zina zomwe CAPSO Na imagwiritsidwa ntchito kwambiri ndi monga chotetezera mu njira za electrophoresis, kuyesa ma enzyme, kuyeretsa mapuloteni, ndi njira zosungira maselo. Mphamvu yake yotetezera komanso kugwirizana kwake ndi machitidwe a zamoyo zimathandiza kuti ikhale yothandiza m'magawo awa.
-
2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate CAS:86520-63-0
2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl 2,2,2-trichloroacetimidate ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mu carbohydrate chemistry ndi glycosylation reactions. Ndi chinthu chochokera ku α-D-galactopyranose, mtundu wa shuga, komwe magulu a hydroxyl omwe ali pamalo a 2, 3, 4, ndi 6 a galactopyranose ring amakhala acetylated. Kuphatikiza apo, anomeric carbon (C1) ya shuga imatetezedwa ndi gulu la trichloroacetimidate, zomwe zimapangitsa kuti ikhale electrophile yamphamvu panthawi ya glycosylation reactions.
Kawirikawiri mankhwalawa amagwiritsidwa ntchito ngati glycosylating agent kuti alowetse ma galactose moieties m'mamolekyu osiyanasiyana, monga mapuloteni, ma peptide, kapena mamolekyu ang'onoang'ono achilengedwe. Izi zitha kuchitika pochita izi ndi nucleophile (monga magulu a hydroxyl pa molekyulu yomwe mukufuna) pansi pa mikhalidwe yoyenera. Gulu la trichloroacetimidate limathandizira kuti galactose moiety igwirizane ndi molekyulu yomwe mukufuna, zomwe zimapangitsa kuti pakhale glycosidic bond.
Mankhwalawa amagwiritsidwa ntchito kwambiri popanga ma glycoconjugates, ma glycopeptides, ndi ma glycolipids. Amapereka njira yosinthasintha komanso yothandiza yosinthira mamolekyu okhala ndi zotsalira za galactose, zomwe zingakhale zofunikira m'magawo osiyanasiyana, kuphatikiza maphunziro a zamoyo, njira zoperekera mankhwala, kapena kupanga katemera.
-
AMPD CAS: 115-69-5 Mtengo wa Wopanga
2-Amino-2-methyl-1,3-propanediol, yomwe imadziwikanso kuti AMPD kapena α-methyl serinol, ndi mankhwala omwe ali ndi formula ya molekyulu C4H11NO2. Ndi amino alcohol yomwe imagwiritsidwa ntchito kwambiri ngati mankhwala pakati pa kupanga mankhwala ndi mankhwala achilengedwe. AMPD imadziwika ndi kuthekera kwake kugwira ntchito ngati chothandizira cha chiral mu zochita zosafanana, zomwe zimapangitsa kuti ikhale yothandiza popanga mankhwala oyera a enantiomerically. Kuphatikiza apo, yagwiritsidwa ntchito ngati chosakaniza mu chisamaliro chaumwini ndi zinthu zodzikongoletsera chifukwa cha mphamvu zake zonyowetsa.
-
MES sodium salt CAS: 71119-23-8
MES sodium salt, yomwe imadziwikanso kuti 2-(N-morpholino)ethanesulfonic acid sodium salt, ndi mankhwala omwe amagwiritsidwa ntchito kwambiri ngati chotetezera. Ndi asidi wokhala ndi pKa pafupifupi 6.15. MES sodium salt imasungunuka kwambiri m'madzi ndipo kuchuluka kwake koteteza kumakhala pafupifupi pH 5.5 mpaka 6.7. Imagwiritsidwa ntchito kwambiri mu kafukufuku wa biochemical ndi biological, komanso muzochita zosiyanasiyana za mankhwala, kuyeretsa mapuloteni, gel electrophoresis, maphunziro a enzyme, ndi kuyesa kwa maselo. Mchere wa sodium umawonjezera kusungunuka ndi kukhazikika kwa mankhwalawo, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito ndikugwiritsa ntchito m'malo ochitira labotale.
-
beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate ndi mankhwala omwe amachokera ku shuga, shuga wosavuta. Amapangidwa ndi shuga wosakaniza ndi magulu asanu a acetyl, zomwe zimapangitsa kuti maguluwa azigwirizana ndi magulu a hydroxyl (OH) omwe ali mu molekyulu ya shuga. Kusintha kwa shuga kumeneku kumapangitsa kuti ikhale yolimba komanso kumapangitsa kuti isunthe mu zinthu zachilengedwe.
Beta-D-glucose pentaacetate imagwiritsidwa ntchito mosiyanasiyana m'munda wa organic chemistry, makamaka pakupanga ndi kusintha chakudya. Itha kugwira ntchito ngati choyambira kapena chapakati pakukonzekera zinthu zina zotumphukira m'zakudya kapena zinthu zovuta za organic. Kuphatikiza apo, yagwiritsidwa ntchito m'mafakitale ena azachipatala ndi azamankhwala monga njira zoperekera mankhwala ndi njira zowongolera zotulutsira.
