Because ingestion is believed to be a major exposure route for HBCD (Covaci et al. 2006), and to examine stereoisomer-specific dietary concentrations from food consumed by the U.S. population, we report here, for the first time, concentrations of α-, β-, and γ-HBCD stereoisomers in selected foods from supermarkets in Dallas, Texas.
"With ALMA's superb resolution and sensitivity, we can clearly see for the first time massive concentrations of cold gas being jettisoned by expanding shells of intense pressure created by young stars," study co-author Alberto Bolatto, astronomy professor at the University of Maryland, said in a written statement.
For the first time, rich concentrations of the element boron have been found in Isua's ancient marine rocks, study author Takeshi Kakegawa, a professor at Tohoku University in Japan, said Monday (June 9).
We report here for the first time the concentrations of parabens among children and adolescents.
In the present study, we show for the first time that concentrations of NT-proBNP, MR-proANP, and MR-proADM are significantly associated with increased aortic stiffness at the chronic phase after STEMI.
In May 2013, it was big news when, for the first time, the concentration of carbon dioxide in the atmosphere hit 400 parts per million.
To our knowledge, this study indicates for the first time the concentration of PEDF that is necessary to suppress CNV in vivo.
In the first factorial design, the variables: extraction time, concentration of sodium hydroxide solution and analyte mass were tested.
Recently the application of new formulation technologies resulted in a formulation of frankincense extract with lecithin, which revealed improved absorption and tissue penetration of BAs in a rodent study, leading for the first time to plasma concentrations of BAs in the range of their anti-inflammatory activity.
In this work, we demonstrated, for the first time, that physiological concentrations of AEA were capable of inducing bovine sperm capacitation.
This study reports for the first time the concentration-dependence of this effect and the β-adrenoceptor subtype responsible.
