Dodecyl trimethyl ammonium bromide Cas: 1119-94-4 White na-acha ọcha crystalline ntụ ntụ.
| Nọmba katalọgụ | XD90240 |
| Aha ngwaahịa | Dodecyl trimethyl ammonium bromide |
| CAS | 1119-94-4 |
| Usoro ihe omimi | C15H34BrN |
| Ibu molekụla | 308.341 |
| Nkọwa nchekwa | Ambient |
| Koodu tarifu akwadoro | 29239000 |
Nkọwapụta ngwaahịa
Mmekọrịta nke amphiphilic block copolymers nke poly (ethylene oxide) -poly (propylene oxide) -poly (etylene oxide) (PEO-PPO-PEO) otu na obere molekul surfactants nwere ike "na-ege ntị" site na ọnụnọ nke ahọrọ alcohols, na mmekọrịta siri ike na-eduga na mgbanwe dị ukwuu na (agwakọta) morphology micelle, ebe mmekọrịta ndị na-esighị ike na-eduga n'ụdị micelle na-ejikọta ọnụ. Ụdị na ike nke mmekọrịta dị n'etiti Pluronic P123 (EO20PO70EO20) na obere molecule surfactants (anionic sodium dodecylsulfate), SDS, CDS, CDS, (cationic dodecyltrimethylammonium bromide, C12TAB) na (na-abụghị ionic polyoxyethylene (23) lauryl ether, Brij 35, C12EO23OH) na-atụ anya na-adabere na partitioning nke mkpụmkpụ, ọkara na ogologo yinye alcohols (ethanol, hexanol na decanol n'otu n'otu) na bụ. nyocha site na iji tensiometry, pulsed-gradient spin-echo nuclear magnet resonance (PGSE-NMR) na obere akụkụ neutron agbasa (SANS) .The SANS data maka aqueous P123 ngwọta na agbakwunyere alcohols bụ nke ọma des cribed site ebubo okirikiri isi / shei nlereanya. maka mielle morphology.Mgbakwunye nke surfactants mere ka ọ dị ntakịrị ntakịrị, oblate elliptical agwakọta micelles na enweghị mmanya.Mgbakwunye ethanol na sistemu ndị a butere mbelata nke micelle, ebe a hụrụ micelles buru ibu na mgbakwunye nke mmanya ndị dị ogologo ogologo.Ọmụmụ NMR nyere atụmatụ mmekọ nke ihe mejupụtara mielle, yana ikewa akụkụ dị iche iche n'ime micelle.
4-Nitrophenyl-N-acetyl-β- D-glucosaminide bụ ihe bara uru maka nyocha ngwa ngwa colorimetric nke ọrụ N-acetyl-b-glucosaminidase na mmamịrị mmadụ.Mkpụrụ chromogenic β-Glucosaminidase na-enye ngwọta edo edo n'elu mgbawa, na-arụ ọrụ karịsịa na yists na ebu.
