Dodecyl trimethyl ammonium bromide Cas: 1119-94-4 Funfun si pa-funfun kristali lulú
Nọmba katalogi | XD90240 |
Orukọ ọja | Dodecyl trimethyl ammonium bromide |
CAS | 1119-94-4 |
Ilana molikula | C15H34BrN |
Òṣuwọn Molikula | 308.341 |
Awọn alaye ipamọ | Ibaramu |
Ti irẹpọ Owo idiyele koodu | 29239000 |
Ọja Specification
Awọn ibaraenisepo ti amphiphilic block copolymers ti poly (ethylene oxide) -poly (propylene oxide) -poly (etylene oxide) (PEO-PPO-PEO) ẹgbẹ pẹlu awọn surfactants molikula kekere le jẹ "aifwy" nipasẹ wiwa awọn ọti-waini ti a yan, pẹlu awọn ibaraenisepo ti o lagbara ti o yori si awọn iyipada nla ninu (adalura) morphology micele, lakoko ti awọn ibaraẹnisọrọ alailagbara yori si awọn iru micelle ti o wa papọ. Iseda ati agbara ti awọn ibaraenisepo laarin Pluronic P123 (EO20PO70EO20) ati awọn surfactants molecule kekere (anionic sodium dodecylsulfate), S4Na12SO (cationic dodecyltrimethylammonium bromide, C12TAB) ati (ti kii-ionic polyoxyethylene (23) lauryl ether, Brij 35, C12EO23OH) ti wa ni o ti ṣe yẹ lati dale lori awọn ipin ti kukuru, alabọde ati ki o gun pq alcohols (ethanol, hexanol ati decanol lẹsẹsẹ) ati ki o wà. probed lilo tensiometry, pulsed-gradient spin-echo iparun magnetic resonance (PGSE-NMR) ati kekere-igun neutroni tituka (SANS) .The SANS data fun olomi P123 solusan pẹlu afikun alcohols won daradara des cribed nipa a gba agbara ti iyipo mojuto / ikarahun awoṣe fun morphology micel.Awọn afikun ti awọn surfactants yori si significantly kere, oblate elliptical adalu micelles ni awọn isansa ti alcohols.Afikun ethanol si awọn ọna ṣiṣe wọnyi yori si idinku ninu iwọn micelle, lakoko ti a ṣe akiyesi awọn micelles ti o tobi julọ lori afikun awọn ọti-ẹwọn gigun.Awọn ijinlẹ NMR pese awọn iṣiro ibaramu ti akopọ micelle, ati pipin awọn oriṣiriṣi awọn paati sinu micelle.
4-Nitrophenyl-N-acetyl-β- D-glucosaminide jẹ sobusitireti ti o wulo fun idanwo awọ-awọ ni iyara ti iṣẹ N-acetyl-b-glucosaminidase ninu ito eniyan.Chromogenic β-Glucosaminidase sobusitireti ti nso ojutu ofeefee kan lori cleavage, ti a ṣiṣẹ ni pataki ni awọn iwukara ati awọn mimu.