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open access

Weak Line Quasars at High Redshift: Extremely High Accretion Rates or Anemic Broad-Line Regions?

Description: This article presents Gemini-North K-band spectra of two representative members of the class of high-redshift quasars with exceptionally weak rest-frame ultraviolet emission lines.
Date: September 8, 2010
Creator: Shemmer, Ohad; Trakhtenbrot, Benny; Anderson, Scott F.; Brandt, William Nielsen; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui et al.
open access

The X-Ray Properties of the Optically Brightest Mini-Bal Quasars from the Sloan Digital Sky Survey

Description: This article compiles a sample of 14 of the optically brightest radio-quiet quasars in the Sloan Digital Sky Survey Data Release 5 quasar catalog that have mini-broad absorption lines present in their spectra.
Date: September 12, 2010
Creator: Wu, Jianfeng; Brandt, William Nielsen; Comins, M.L.; Gibson, Robert R.; Shemmer, Ohad; Garmire, Gordon P. et al.
open access

Statue of Leonardo da Vinci

Description: Front page of the Fall 2010 issue of The Hexagon, which features a stone statue of Leonardo da Vinci next to three photographs from articles. The inside cover has a table of contents, a list of staff, an editorial, and a description of the cover.
Date: Autumn 2010
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Combining Spatial-Temporal and Phylogenetic Analysis Approaches for Improved Understanding on Global H5N1 Transmission

Description: This article reports an interdisciplinary effort that combines the geospatial informatics approach with a bioinformatics approach to form an improved understanding on the transmission mechanisms of H5N1 virus.
Date: October 22, 2010
Creator: Liang, Lu; Xu, Bing; Chen, Yanlei; Liu, Yang; Cao, Wuchun; Fang, Liqun et al.
open access

Solubility of Acetaminophen and Ibuprofen in the Mixtures of Polyethylene Glycol 200 or 400 with Ethanol and water and the Density of Solute-Free Mixed Solvents at 298.2 K

Description: Article on the solubility of acetaminophen and ibuprofen in the mixtures of polyethylene glycol 200 or 400 with ethanol and water and the density of solute-free mixed solvents at 298.2 K.
Date: October 26, 2010
Creator: Jouyban, Abolghasem; Soltanpour, Shahla & Acree, William E. (William Eugene)
open access

Role of the left aortic arch and blood flows in embryonic American alligator (Alligator mississippiensis)

Description: This article investigates the role of the left aorta (LAo) in embryonic American alligators by surgically occluding the LAo and measuring oxygen consumption and, in addition, measured hemodynamic responses to hypoxia in embryonic alligators.
Date: October 30, 2010
Creator: Eme, John; Crossley, Dane A., II & Hicks, James W.
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