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Mostrando ítems 1291-1300 de 3167
Photocatalytic degradation of organic dyes using nickel oxide incorporated titania nanocatalyst
(Desalination Publications, 2020)
In this present work, two-step methods were executed to prepare TiO2/NiO nanocomposite material. The selected area electron diffraction and X-ray diffraction pattern were interpreted and their fallouts demonstrate the ...
ATPASE-ADPASE ACTIVITIES OF RAT PLACENTAL TISSUE
(PERGAMON-ELSEVIER SCIENCE LTD, 1991)
1. Calcium-stimulated ATPase-ADPase activities were studied in a microsomal fraction of rat placental tissue.
2. The kinetic characteristics correspond to those of ATP-diphosphohydrolase, also known as apyrase (E.C. ...
Adsorption of poly-2-(dimethylamino) ethylmethacrylate-N-alkyl quaternized at the water/chloroform interface
(ELSEVIER SCIENCE BV, 2010-05-04)
The interfacial properties of poly-2-(dimethylamino) ethyl methacrylate-N-alkyl quaternized with octyl,
decyl, dodecyl and tetradecyl bromide are studied from the chloroform to the water/chloroform interface.
In order ...
Selective crystallization of calcium salts by poly (acrylate)-grafted chitosan
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2005-06-01)
The biopolymer chitosan was chemically modified by grafting polyacrylamide or polyacrylic acid in a homogeneous aqueous phase using potassium persulfate (KPS) as redox initiator system in the presence of N,N-methylene-bi ...
Gastric leak after laparoscopic-sleeve gastrectomy for obesity
(2009)
Background: One of the most serious complications after laparoscopic sleeve gastrectomy (LSG) is gastric leak. Few publications exist concerning the treatment of gastric leak. We sought to determine by way of a prospective ...
Determination of anionic surfactants in sea sand using a multicommutation approach
(Facultad Experimental de Ciencias de la Universidad del Zulia, 2012)
Broad thermal spectrum metagenomic laccase with action for dye decolorization and fentin hydroxide treatment
(2022-12-01)
Laccases are multicopper oxidases that act on various phenolic and non-phenolic compounds, enabling numerous applications including xenobiotic bioremediation, biofuel production, drug development, and cosmetic production, ...
Produção de carvão ativado utilizando como precursor borra de café e sua aplicação na adsorção de fenol
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Química e Biologia, 2013-04-30)
This paper provides a study on the potential of coffee grounds as a precursor in the production of activated carbon and its application in adsorption of phenol. Following a factorial design two square, samples of coal were ...
Enterococcus faecium and Enterococcus faecalis in endodontic infections: antibiotic resistance profile and susceptibility to photodynamic therapy
(2017-12-01)
Introduction: Enterococcus faecium has become an important microorganism in nosocomial infections with great ability to acquire antibiotic resistance. However, little is known about their presence on the oral cavity. ...
Lack of chemoprevention of dietary Agaricus blazei against rat colonic aberrant crypt foci
(Sage Publications Ltd, 2008-06-01)
The mushroom Agaricus blazei (Ab) has been widely used in folk medicine to treat various diseases including cancer. No information is available on its possible protective effects on the development of colon cancer. The ...