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Proline-threonine substitution in codon 351 of ADH1C is common in Native Americans.
(Blackwell: Alcoholism: Clinical & Experimental Research, 2002-12)
Background: The alcohol dehydrogenase (ADH) genes have been repeatedly associated with protection against alcoholism. Until now, only four protein coding variants have been identified (ADH1C Arg271Gln, Ile349Val, ADH1B ...
Adsorption of a polymeric siloxane surfactant on carbon black particles dispersed in mixtures of water with polar organic solvents
(Elsevier: Journal of Colloid and Interface Science, 2002-11-01)
The adsorption of a rake-type polymeric siloxane surfactant (polydimethylsiloxane-graft-polyether copolymer) on carbon black (CB) particles dispersed in mixtures of water with polar organic solvents (ethanol, formamide, ...
A Prototype HeartQuest ventricular assist device for particle image velocimetry measurements
(Artificial organs, 2002-11-01)
The objective of this study is to fully characterize the flow within the HeartQuest ventricular assist device (VAD), a magnetically levitated centrifugal VAD, using particle image velocimetry (PIV) to identify regions of ...
The Application of quantitative oil streaking to the HeartQuest left ventricular assist device
(Artificial organs, 2002-11-01)
Methods of flow visualization using oil streaking are established techniques for investigating surface shear and near wall flow patterns. Recent studies have used an array of oil dots on a surface which form streaks when ...
Single wall carbon nanotube-Nafion composite actuators
(The American Chemical Society: Nano Letters, 2002-11)
Single wall carbon nanotube (SWNT)-Nafion composite actuators have been demonstrated for 0.1-18% w/w doping of purified SWNTs within the polymer matrix. The high purity SWNTs, >95% w/w, were homogeneously dispersed into ...
First operation of a 94 GHz, sheet beam, FEL amplifier
(Elsevier, 2002-10-14)
Millimeter wave (94 GHz) amplification has been observed in the sheet beam, planar wiggler, free electron laser. Using a 4 A sheet beam (20 mm × 1.0 mm) at an electron energy of 530 keV, injected wave power of 5 W was ...
A spectropolarimetric atlas of Seyfert 1 galaxies
(Blackwell Publishing: Monthly Notices of the Royal Astronomical Society, 2002-09-27)
We present optical spectropolarimetry of the nuclei of 36 Seyfert 1 galaxies, obtained with the William Herschel and the Anglo–Australian Telescopes from 1996 to 1999. In 20 of these, the optical emission from the active ...
Developmental effects of ambient UV-B light and landfill leachate in Rana blairi and Hyla chrysoscelis
(Elsevier: Ecotoxicology and Environmental Safety, 2002-09)
This study assessed the effects of ambient UV light on the development of two native species of anurans, Rana blairi and Hyla chrysoscelis, during their normal breeding season in Oklahoma. Additionally, the effects of ...
Colloidal particles derived from a complex of phosphotungstic acid and ethoxylated surfactants
(Elsevier: Journal of Colloid and Interface Science, 2002-09)
Stable, colloidal sols of submicron size were prepared by titration of aqueous solutions of alkylene oxide surfactants with phosphotungstic acid, H3PW12O40 (PTA), followed by neutralization with ammonium or potassium ...
ALFRED: An allele frequency database for anthropology
(Wiley: American Journal of Physical Anthropology, 2002-09)
The deluge of data from the human genome project (HGP) presents new opportunities for molecular anthropologists to study human variation through the promise of vast numbers of new polymorphisms (e.g., single nucleotide ...