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Приказ резултата 81-90 од 97
Estrone derived steroidal diepoxide: Biologically active compound and precursor of a stable steroidal A,B-spiro system
(Elsevier Science Inc, New York, 2009)
A simple approach to a stable steroidal estrone derived A,B-spiro system is reported. Treatment of estrone derived A-ring diepoxyalcohol with the Ac2O-TMSOTf system at the ambient temperature led to acetylation, while at ...
Mixed steroidal tetraoxanes induce apoptotic cell death in tumor cells
(Investigational New Drugs, 2009)
In this study we investigated the antiproliferative activity of six mixed steroidal tetraoxanes against various tumor cell lines, the toxicity against normal peripheral blood mononuclear cells (PBMC), and the mode of HeLa ...
Physicochemical Characterization of Carrageenans - A Critical Reinvestigation
(Wiley, 2008)
Kappa-, iota-, and lambda-carrageenan
(food grade) were analyzed by static light scattering
(MALS in batch mode) in 0.1M NaNO3 at 25 and 60 C,
earlier heated up to 90 C or not. At 25 C, there was a
strong tendency ...
Anticancer properties of ganoderma lucidum methanol extracts in vitro and in vivo
(Nutrition and Cancer, 2009)
Anticancer activities of various extracts of the medicinal mushroom, Ganoderma lucidum, have been widely demonstrated and are mainly associated with the presence of different bioactive polysaccharides and triterpenoids. ...
The effect of an Ni-Cr protective layer on cyclic oxidation of TiAl
(John Wiley & Sons, Inc., 2006)
The effect of an 80Ni-20Cr (at.%) metallic coating on the cyclic oxidation behaviour of a Ti3Al-based alloy with the composition Ti-25Al-11Nb (at.%) was investigated in this study. Cyclic oxidation tests were carried out ...
Synthesis, characterization and cytotoxicity of surface amino-functionalized water-dispersible multi-walled carbon nanotubes
(Elsevier, 2009)
Surface functionalization of multi-walled carbon nanotubes (MWCNTs), with amino groups via chemical modification of carboxyl groups introduced on the nanotube surface, using O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium ...
Far infrared properties of bulk sintered and thin film Zn2SnO4
(Elsevier, 2007)
Room temperature far infrared reflectivity spectra of single phase spinel zinc-stannate thin films, prepared by rf magnetron sputtering on a glass substrate, and bulk sintered samples were measured. The sintered samples ...
Organobentonite as efficient textile dye sorbent
(Wiley-V C H Verlag Gmbh, Weinheim, 2008)
Domestic bentonite clay was modified using cationic surfactant - hexadecyltrimethylammonium bromide (HDTMA-bromide) in order to obtain more efficient sorbent. Removal of Acid Orange 10 from aqueous solution at different ...
Biomarker distributions as indicators for the depositional environment of lacustrine sediments in the Valjevo-Mionica basin (Serbia)
(Elsevier Gmbh, Urban & Fischer Verlag, Jena, 2008)
In this study, the molecular composition and biomarker distribution of lacustrine sediments from Val-1 drillhole in the central zone of the western part of the Valjevo-Mionica basin were investigated at depth interval of ...
Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires
(Elsevier, 2004)
We present a study of electrodeposition of Ni nanocontacts in thin film and microwires gaps under an external applied magnetic field. The study is performed in comparison with electrodeposition of Cu that is not a magnetic ...