Dodecyl trimethyl ammonium bromide Cas: 1119-94-4 Dawb mus rau dawb crystalline hmoov
| Catalog Number | xwm 90240 |
| Khoom npe | Dodecyl trimethyl ammonium bromide hmoov |
| CAS | 1119-94-4 ib |
| Molecular Formula | C15H34 Nr |
| Molecular Luj | 308.341 ib |
| Cov ntaub ntawv khaws cia | Ambient |
| Harmonized tariff Code | 29239000 ib |
Khoom Specification
Kev sib cuam tshuam ntawm amphiphilic block copolymer ntawm poly (ethylene oxide)-poly (propylene oxide)-poly (ethylene oxide) (PEO-PPO-PEO) pab pawg nrog me me molecule surfactants tuaj yeem "tuned" los ntawm kev xaiv cov cawv, nrog rau Kev sib cuam tshuam muaj zog ua rau muaj kev hloov pauv loj hauv (sib xyaw) micelle morphology, thaum tsis muaj kev sib cuam tshuam ua rau muaj kev sib koom ua ke micelle hom.Qhov xwm thiab lub zog ntawm kev sib cuam tshuam ntawm Pluronic P123 (EO20PO70EO20) thiab cov molecule me me surfactants (anionic sodium dodecylsulfate, SO4N2), CDS12. (cationic dodecyltrimethylammonium bromide, C12TAB) thiab (non-ionic polyoxyethylene (23) lauryl ether, Brij 35, C12EO23OH) yuav tsum nyob ntawm qhov kev faib tawm ntawm cov kab hluav taws xob luv luv, nruab nrab thiab ntev (ethanol, hexanol thiab decanol raws li) soj ntsuam siv tensiometry, pulsed-gradient spin-echo nuclear magnetic resonance (PGSE-NMR) thiab me-lub kaum sab xis neutron scattering (SANS).Cov ntaub ntawv SANS rau aqueous P123 cov kev daws teeb meem nrog cov cawv ntxiv tau zoo des cribed los ntawm tus qauv kheej kheej / plhaub qauv. rau micelle morphology.Qhov sib ntxiv ntawm cov surfactants ua rau me me, oblate elliptical sib xyaw micelles thaum tsis muaj cawv.Ntxiv ntawm ethanol rau cov tshuab no ua rau txo qis ntawm micelle loj, thaum cov micelles loj dua tau pom raws li qhov sib ntxiv ntawm cov kab cawv ntev dua.Cov kev tshawb fawb NMR tau muab kev kwv yees ntxiv ntawm cov micelle muaj pes tsawg leeg, thiab kev faib tawm ntawm ntau yam khoom rau hauv micelle.
4-Nitrophenyl-N-acetyl-β- D-glucosaminide yog ib qho tseem ceeb substrate rau ceev colorimetric assay ntawm N-acetyl-b-glucosaminidase kev ua nyob rau hauv tib neeg cov zis.Chromogenic β-Glucosaminidase substrate yielding cov tshuaj daj thaum cleavage, ua haujlwm tshwj xeeb hauv cov poov xab thiab pwm.
