Now showing items 41-50 of 69
The influence of environment on the induction of sensitization to the psychomotor activating effects of intravenous cocaine in rats is dose-dependent
(Springer-Verlag; Springer-Verlag Berlin Heidelberg, 1998-04)
The acute psychomotor response and development of sensitization to amphetamine is attenuated if IP injections are given in the cage where a rat lives relative to when injections are given in a novel but physically identical ...
Chemical vapor deposition of tungsten oxide
(John Wiley & Sons, Ltd., 1998-03)
Crystalline and amorphous thin films of tungsten(VI) oxide can be prepared by chemical vapor deposition using a variety of volatile precursors below 500 °C. Deposition parameters for preparation of WO 3 films from tungsten ...
Synthesis of poly(vinyl alcohol) / silica gel polymer hybrids by in-situ hydrolysis method
(John Wiley & Sons, Ltd., 1998-10)
Homogeneous poly(vinyl alcohol) (PVA)–silica gel polymer hybrids were prepared by in-situ hydrolysis of poly(vinyl acetate) (PVAc) in a sol–gel reaction mixture with tetramethoxysilane (TMOS). The degree of hydrolysis was ...
Rearrangements versus ligand exchange reactions of organocobalt polymer having cobaltacyclopentadiene moieties in the main chain Part of the work presented here was communicated in Ref. 1: Macromolecules , 27 , 7009 (1994).
(John Wiley & Sons, Ltd., 1998-10)
The rearrangement reaction of an organocobalt polymer with cobaltacyclopentadiene moieties in the main chain ( 1 ) was carried out to yield anew polymer bearing (η 5 -cyclopentadienyl) (η 4 -cyclobutadiene)cobalt moieties ...
Heart development in Drosophila and vertebrates: Conservation of molecular mechanisms
(John Wiley & Sons, Inc., 1998)
Vertebrate and insect ( Drosophila ) hearts look and function quite differently from each other. Nevertheless, during embryogenesis their mesodermal origin and initial assembly into a linear heart tube are comparable in ...
Surface science and stability of networks prepared from hydroxy-terminated polydimethylsiloxane and methyltriethoxysilane
(John Wiley & Sons, Ltd., 1998-10)
Polydimethylsiloxane (PDMS) hybrid networks have been prepared by the reaction of PDMS(OH) 2 , average molecular weight 26 14× 1410 3 , 43.6 14× 1410 3 and 58 14× 1410 3 , and methyltriethoxysilane (MeTEOS, 10–60 wt%) ...
Polarized Raman spectra of oriented films of Α-helical poly( L -alanine) and its N -deuterated analogue
(John Wiley & Sons, Ltd., 1998-01)
Polarized Raman spectra were obtained on well oriented films of Α-helical poly( L -alanine) (Α-PLA) and its N -deuterated analogue in order to obtain definitive assignments of the E 2 -species modes. Such assignments ...
An ecological study of association between coronary heart disease mortality rates in men and the relative frequencies of common allelic variations in the gene coding for apolipoprotein E
(Springer-Verlag; Springer-Verlag Berlin Heidelberg, 1998-09)
Three common alleles, ɛ 2 , ɛ 3 , and ɛ 4 , of the gene coding for apolipoprotein E (apoE) have been identified as predictors of interindividual variation in measures of lipid and lipoprotein metabolism, and ultimately ...
Cytotoxicity of urethane dimethacrylate composites before and after aging and leaching
(John Wiley & Sons, Inc., 1998-02)
The in vitro cytotoxicity of urethane dimethacrylate composites cured at different times by visible light and after different aging times and extraction treatments was evaluated using succinic dehydrogenase activity in ...
Microstructure of a Pd/ceria–zirconia catalyst after high-temperature aging
(Kluwer Academic Publishers-Plenum Publishers; Kluwer Academic Publishers ; Springer Science+Business Media, 1998-03)
A model automotive exhaust catalyst, consisting of 2.25 wt% Pd supported on initially high-surface-area (88 m 2 /g) cerium–zirconium mixed oxide (Ce 0.5 Zr 0.5 O 2 ), was studied by X-ray diffraction (XRD), thermogravimetric ...