ELECTROPHILIC HALOGENATION OF nido-5,6-C^sub 2^B^sub 8^H^sub 12^

Collection of Czechoslovak Chemical Communications;  November 1, 2006 ;     700+ words ...Room-temperature chlorination of the dicarbaborane nido-5,6-C^sub 2^B^sub 8^H^sub 12^ (1) with CCl^sub 4^ in the presence of anhydrous AlCl^sub 3^ yielded a mixture of 7-Cl-5,6-C^sub 2^B^sub 8^H...

POLYHEDRAL MONOCARBABORANE CHEMISTRY. FUNCTIONALITY AND ISOMERISM:...

Collection of Czechoslovak Chemical Communications;  November 1, 2005 ;     700+ words ...Reaction of NC^sub 5^H^sub 4^-2-NH^sub 2^ with the [6-Ph-nido-6-CB^sub 9^H^sub 11^]^sup -^ anion (1) in the presence of hydrated FeCl^sub 3^ gives [6-Ph-9-(NC^sub 5^H^sub 4^-2-NH^sub 2^)-arachno-6-CB^sub 9^H^sub 12^] (4) and thence ...

Solid-Solid Reactions in the Ca^sub 3^(AsO^sub 4^)^sub 2^-Ca^sub 2^SiO^sub...

Metallurgical and Materials Transactions;  February 1, 2006 ;     700+ words ...Exploratory laboratory-scale tests were performed in order to identify the solid phases present in the Ca^sub 2^SiO^sub 4^-Ca^sub 3^(AsO^sub 4^)^sub 2^ binary system and in the Ca^sub 2^SiO^sub 4^-Ca^sub 3^(AsO^sub 4^)2-CaSO^sub 4^-CaO system...

Modeling of the Solubilities of NiO/NiAl^sub 2^O^sub 4^ and FeO/FeAl^sub...

Metallurgical and Materials Transactions;  February 1, 2004 ;     700+ words ...Experiments to measure the solubilities of NiOTNiAl^sub 2^O^sub 4^ and FeO/FeAl^sub 2^O^sub 4^ were performed, and the results confirmed existing literature values. The solubilities of NiAl^sub...

Molecular Basis for the Dynamic Strength of the Integrin a^sub 4^B^sub...

Biophysical Journal;  November 1, 2004 ;     700+ words ...ABSTRACT Intercellular adhesion mediated by integrin ?^sub 4^?^sub 1^ and vascular cell adhesion molecule-1 (VCAM-1) plays...leukocytes onto the vascular endothelium. Essential to the ?^sub 4^?^sub 1^/VCAM-1 interaction is its mechanical strength...

Thermodynamics and Kinetics of the Formation of Al^sub 2^O^sub 3^/...

Metallurgical and Materials Transactions;  April 1, 2008 ;     700+ words ...The formation of Al^sub 2^O^sub 3^, MgAl^sub 2^O^sub 4^, and MgO has been widely studied in different Al base metal matrix composites, but the studies on thermodynamic aspects of the Al^sub 2^O^sub 3^/ MgAl^sub 2^O^sub 4^/MgO phase equilibria have...

Routine Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry...

Clinical Chemistry;  September 1, 2005 ;     700+ words ...Background: Measurement of 25-hydroxyvitamin D^sub 2^ and D^sub 3^ (25-OH D^sub 2^ and D^sub 3^) is essential for investigating vitamin D deficiency. Competitive binding techniques are unable...

A Direct Free Thyroxine (T^sub 4^) Immunoassay with the Characteristics of...

Clinical Chemistry;  May 1, 2007 ;     700+ words ...Background: Direct free thyroxine (T^sub 4^) measurements have been linked to both T^sub 4^-binding serum protein concentrations and protein-bound T^sub 4^ concentrations. Whether this is evidence of a relationship to total T^sub 4^ concentrations...

Quantitative characterization of the microstructure of two-phase TiB^sub...

Metallurgical and Materials Transactions;  November 1, 2003 ;     700+ words ...Two-phase TiB^sub 2^ + Al^sub 2^O^sub 3^ ceramics with an interconnected or dispersed TiB^sub 2^ (minor)-phase microstructure can be produced by variations in processing parameters. A standard method of quantitative characterization of the microstructural...

Technical Note: Vaginal Absorption of 1,25(OH)^sub 2^D^sub 3^ in Cattle

Journal of Dairy Science;  August 1, 2004 ;     700+ words ...ABSTRACT Although exogenous 1,25-dihydroxyvitamin D^sub 3^ [1,25(OH)^sub 2^D^sub 3^] administered via intravenous, intramuscular, and oral routes has been tested for efficacy in preventing parturient...

cis-Regulatory Elements for Mesophyll-Specific Gene Expression in the...

Plant Cell;  May 1, 2004 ;     700+ words ...C^sub 4^ photosynthesis depends on the strict compartmentalization...mesophyll-specific expression of the gene encoding the C^sub 4^ isoform of phosphoenolpyruvate carboxylase (ppcA1) of the C^sub 4^ dicot Flaveria trinervia. To elucidate and understand...

Thermal Stability, Glass-Formation Ability, and Mechanical Properties of...

Metallurgical and Materials Transactions;  August 1, 2008 ;     700+ words ...Bulk amorphous alloys of (Zr^sub 41.2^Ti^sub 13.8^Cu^sub 12.5^Ni^sub 10^Be^sub 22.5^)^sub 100-x^Nb^sub x^ with x = 0, 5, 11, and 13 were prepared by water quenching. Differential scanning calorimeter (DSC) analysis revealed that the addition of Nb...

Mechanical Behaviors of Chromium- or Niobium-Modified Ni^sub 47.5^Al^sub...

Metallurgical and Materials Transactions;  January 1, 2006 ;     700+ words ...The microstructure of the Ni^sub 47.5^Al^sub 25^Fe^sub 27.5^ alloy was modified by adding Cr or Nb to improve its tensile properties. Increasing the Cr content increased the volume fraction of the interdendritic regions and, subsequently, increased...

A Reinvestigation of Phase Equilibria in the System Al^sub 2^O^sub...

Metallurgical and Materials Transactions;  April 1, 2005 ;     700+ words ...The phase equilibria and liquidus temperatures in the binary SiO^sub 2^-ZnO system and in the ternary Al^sub 2^O^sub 3^-SiO^sub 2^-ZnO system at low Al^sub 2^O^sub 3^ concentrations have been experimentally determined...

Women and Smokers Have Elevated Urinary F^sub 2^-Isoprostane Metabolites:...

Lipids;  October 1, 2008 ;     700+ words ...Abstract F^sub 2^-Isoprostanes (F^sub 2^-IsoPs), regio- and stereoisomers of prostaglandin F^sub 2α^ (PGF^sub 2^), and urinary F^sub 2^-IsoP metabolites including 2,3-dinor-5,6-dihydro-8-iso-PGF^sub 2α^ [2,3-dinor-8-iso-PGF^sub 1α...