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Laser-induced resonance shifts of single molecules self-coupled by a metallic surface
(American Physical Society, 2007-04-05)
The spectral properties of single molecules placed near a metallic surface are investigated at low temperatures. Because of the high quality factor of the optical resonance, a laser-induced shift of the molecular lines is ...
In vitro efficacy of new antifolates against trimethoprim-resistant Bacillus anthracis
(American Society for Microbiology, 2007-12)
Bacillus anthracis is innately resistant to trimethoprim (TMP), a synthetic antifolate that selectively inhibits several bacterial dihydrofolate reductases (DHFRs) but not human DHFR. Previously, we were able to confirm ...
High porosity metallic glass foam: A powder metallurgy route
(AIP Publishing, 2007-10-15)
A powder metallurgy route to the fabrication of metallic glass foam is introduced. The method involves consolidating metallic glass powder blended with blowing agent particulates to produce expandable precursors, capable ...
Genetic analysis of indirect selection for winter wheat grain yield using spectral reflectance indices
(Crop Science Society of America, 2007-07-30)
Selection criteria that can facilitate grain yield improvement would be considered important plant breeding tools. We assessed the value of spectral reflectance indices (SRI) as indirect selection tools for grain yield ...
Relationship of first hollow stem and heading in winter wheat
(Crop Science Society of America, 2007-09)
The majority of wheat (Triticum aestivum L.) in the southern Great Plains is produced as a dual-purpose crop enterprise. Profitability of the system is highly dependent on removal of cattle (Bos taurus L.) from wheat ...
Microbial community structure in petroleum-contaminated sediments corresponds to geophysical signatures
(American Society for Microbiology, 2007-05)
The interdependence between geoelectrical signatures at underground petroleum plumes and the structures of subsurface microbial communities was investigated. For sediments contaminated with light non-aqueous-phase liquids, ...
Integrated waveguide-coupled terahertz microcavity resonators
(AIP Publishing, 2007-11-09)
We demonstrate integrated square terahertz microcavity resonators side coupled to waveguides. We present the microcavity transmission spectra for different resonator sizes and coupling strengths. The measured quality factors ...
Nitrogen use and biomass distribution in culms of winter wheat populations selected from grain-only and dual-purpose systems
(Crop Science Society of America, 2007-02-06)
Beginning in late fall and ending at jointing in early spring, winter wheat (Triticum aestivum L.) crops in the southern Great Plains are often grazed by stocker cattle (Bos taurus L.) and then harvested for grain. ...
Comparative genomic analysis of the Tribolium immune system
(BioMed Central, 2007-08-29)
Background: Tribolium castaneum is a species of Coleoptera, the largest and most diverse order of all eukaryotes. Components of the innate immune system are hardly known in this insect, which is in a key phylogenetic ...
cis-cis-trans-Bis(acetonitrile-kN)-dichloridobis(triphenylphosphine-kP)-ruthenium(II) acetonitrile disolvate
(International Union of Crystallography, 2007)