“
“Twenty-one healthy helmeted guineafowl (Numida meleagris) housed at the Oklahoma City Zoo were used to evaluate the pharmacokinetic parameters of topical selamectin. Birds were divided randomly into three groups of seven birds each. On day 1, all birds received one dose of 20 mg/kg selamectin topically. Based on the group number, blood was collected from each bird on three separate occasions over a 28-day period. Plasma using liquid chromatography

with mass spectrometry was used to determine selamectin https://www.selleckchem.com/products/chir-99021-ct99021-hcl.html concentrations. Mean plasma terminal half-life and maximum plasma concentrations of selamectin were 5.8 days and 16.1 ng/ml, respectively, with maximum plasma levels reached at 3 days. No adverse effects were detected. Birds in this study did reach and maintain plasma levels reported as therapeutic in other species(1) for 19 days. Based on these results, selleck kinase inhibitor selamectin may be a valuable antiparasiticide in some avian species.”
“The binding extent of odorant mixtures from aqueous suspensions by native, high pressure-treated starches and starch cryotexturizates was studied using capillary gas chromatography. The materials were corn, sorghum and amaranth starches. The native and high pressure-treated (650 MPa/9 min) starches

were mixed with odorants and incubated (24 h) at room temperature. To obtain the cryotexturizate-odorant product, starch gels were frozen with odorants (-24 degrees C), stored (48 h) and thawed. Terpene hydrocarbons were strongly bound from the mixture

by all the starches analyzed. SYN-117 The nonpolar molecules of terpene hydrocarbons modified the nature of hydrophobic binding sites in starch which in turn affected binding affinity of alcohols, ketones and phenols to the preparations. The competition effect between odorants for the binding sites was found. The varied ability of starch preparations to bind odorants was also related to the granule morphology and alteration in their structure upon treatment used. (C) 2013 Elsevier Ltd. All rights reserved.”
“The need to develop accurate representation of the human eye for the purpose of physiological studies is important to ensure that the predicted results are reliable. The presence of natural circulation of aqueous humor (AH) is evident from clinical, experimental and simulated observations. Most of the thermal models of the human eye that are found in the literature, however, had assumed a stagnant AH inside the anterior chamber. In this paper, a two-dimensional model of the human eye is developed where the circulation of AH inside the anterior chamber is included. The effects of the AH flow on the temperature distribution inside the eye are investigated. The natural circulation of AH is found to increase the temperature and distorts the temperature profile in the cornea and anterior chamber.