نتایج جستجو برای: cetyltrimethylammonium bromide

تعداد نتایج: 17435  

Journal: :Chemistry 2015
Yunqi Li Bishnu Prasad Bastakoti Yusuke Yamauchi

Hollow bioactive glass spheres with mesoporous shells were prepared by using dual soft templates, a diblock co-polymer poly(styrene-b-acrylic acid) (PS-b-PAA) and a cationic surfactant cetyltrimethylammonium bromide (CTAB). Hollow mesoporous bioactive glass (HMBG) spheres comprise the large hollow interior with vertical mesochannels in shell, which realize large uptake of drugs and their sustai...

Journal: :Nanoscale 2014
Youju Huang Abdul Rahim Ferhan Yi Gao Anirban Dandapat Dong-Hwan Kim

We report the synthesis of uniform triangular gold nanoplates by a modified seeded growth method. The concentration of cetyltrimethylammonium bromide (CTAB) in the growth solution and the time interval between multiple steps of growth were important factors which determined the formation of uniform triangular Au nanoplates. In addition, by further isotropic overgrowth, the thickness of triangul...

Journal: :Applied and environmental microbiology 1979
D L Cruden A J Markovetz

The amounts of carboxymethyl cellulase present in the midguts and hindguts of two species of cockroaches were determined. Numbers of colonies from the guts which digested carboxymethyl cellulose, visualized by flooding plates with cetyltrimethylammonium bromide after incubation, were counted. The numbers indicated the presence of a resident, multiplying population of predominantly anaerobic car...

2013
Seung Jin Heo Seokhyun Yoon Sang Hoon Oh Hyun Jae Kim

Solution-processed planar heterojunction colloidal quantum dot photovoltaics with a hybrid active bilayer is demonstrated. A power conversion efficiency of 1.24% under simulated air mass 1.5 illumination conditions is reported. This was achieved through solid-state treatment with cetyltrimethylammonium bromide of PbS colloidal quantum dot solid films. That treatment was used to passivate Br ato...

1998

Cetyltrimethylammonium bromide (CTMAB)-bentonite was produced by the exchange of cetyltrimethylammonium (CTMA) cations for inorganic ions on the internal and external surfaces of bentonite. CTMAB-bentonite was used to remove organic contaminants of varying polar character from water. The properties and mechanisms for CTMABbentonite to sorb benzene, toluene, ethylbenzene, nitrobenzene, aniline, ...

Journal: :Engineering and technology journal 2021

Ag nanoflakes were synthesized by chemical reduction method using cetyltrimethylammonium bromide (CTAB) as a surfactant. The results of transmission electron microscope (TEM) analysis, ultraviolet-visible spectroscopic (UV-Vis) X-ray diffraction (XRD) analysis showed that the obtained had size ~50 – 60 nm, thickness 16 with flake shape reached 96 %. particles crystallized in cubic structure Ag....

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