Results 51 to 60 of about 105,531 (246)

A Facile Route Of Acid Treatment For Enhanced Performance Of Cryptomelane In Catalytic Oxidation Of Airborne Toluene

open access: yesJournal of Applied Science and Engineering
This work emphasized a simple route to enhance the catalytic performance of modified cryptomelane in airborne toluene abatement. Cu-cryptomelane and H-cryptomelane materials were prepared by directly treating the pristine cryptomelane material with ...
Hoang-Huy Nguyen   +5 more
doaj   +1 more source

The effect of cationic surfactant and some organic/inorganic additives on the morphology of mesostructured silica templated by pluronics [PDF]

open access: yes, 2008
Cataloged from PDF version of article.Tri-block copolymers (poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide), represented as EOxPOyEOx), pluronics (F127=EO106PO70EO106, P65=EO20PO30EO20, P85=EO27PO39EO27, P103= EO17PO55EO17, and P123 ...
Albayrak, C., Dag, O., Poyraz, A. S.
core   +1 more source

Ultrasonic and Densitometric Characterization of Hyaluronan and its Interaction with Surfactant [PDF]

open access: yes, 2014
This disertation thesis is focused on the study of physico-chemical interactions of hyaluronan (with molecular weights from 10 to 1750 kDa) with cationic surfactants measured using uncommon technique named high resolution ultrasonic spectroscopy ...
Hurčíková, Andrea
core  

Bacteriochlorophyll aggregates in positively charged micelles [PDF]

open access: yes, 1993
Micellar complexes were prepared from bacteriochlorophyll a and bacteriopheophytin a with the cationic detergents, cetyltrimethyl ammonium bromide and cetylpyridinium chloride. These complexes have spectroscopic properties (absorption, circular dichroism)
Gottstein, J., Scheer, Hugo, Scherz, A.
core   +2 more sources

Dyeing of cotton fabric with antibacterial properties using direct dye and CTAB

open access: yesJournal of Natural Fibers, 2020
Direct dyes still represent an important class of dye for use on cellulose fiber, because of the ease of application and low cost. The present study was aimed at development of microbial resistant cotton using antibacterial agent in dyeing process ...
Sama Khanmirzaee   +2 more
doaj   +1 more source

Synthesis of Hierarchical MOR-Type Zeolites with Improved Catalytic Properties

open access: yesMolecules, 2021
Hierarchical MOR-type zeolites were synthesized in the presence of hexadecyltrimethylammonium bromide (CTAB) as a porogen agent. XRD proved that the concentration of CTAB in the synthesis medium plays an essential role in forming pure hierarchical MOR ...
Zeinab Mcheik   +4 more
doaj   +1 more source

Characterization of Magnesium-Polylactic Acid Films Casted on Different Substrates and Doped with Diverse Amounts of CTAB [PDF]

open access: gold, 2021
Margarita Hierro‐Oliva   +3 more
openalex   +1 more source

Extraction of humic acid by coacervate: Investigation of direct and back processes [PDF]

open access: yes, 2012
The two aqueous phases extraction process is widely used in environmental clean up of industrial effluents and fine chemical products for their reuse.
Derriche, Zoubir   +4 more
core   +3 more sources

Enhancement of Cobalt Concentration Supported on Mesoporous Silica towards the Characteristics and Activities of Catalysts for the Conversion of Waste Coconut Oil into Gasoline and Diesel Oil

open access: yesIndonesian Journal of Chemistry, 2020
The analysis of the effect of cobalt concentration supported on mesoporous silica (MS) has been evaluated. This study was aimed to observe the physical and chemical characteristics of the catalysts, and also to study the catalytic activity and its ...
Wega Trisunaryanti   +5 more
doaj   +1 more source

Análise comparativa de protocolos para extração de DNA genômico em Prosopis juliflora (Sw.) DC

open access: yesBiotemas, 2021
Objetivou-se comparar a eficiência entre sete protocolos adaptados para a extração de DNA genômico da espécie Prosopis juliflora (Sw). DC. Os protocolos utilizados tiveram como base em seus tampões: SDS 10%; CTAB 5%; Sorbitol, CTAB 3% e Sorbitol; SDS 0,7%
Luiz Henrique Tolentino Santos   +4 more
doaj   +1 more source

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