In a medium compactness region spectra are almost identical, suggesting Alvocidib inhibitor a dominant effect of single sphere effects. Finally, in the low compactness region, the spectra from the two geometrical configurations diverge again as the Bragg diffraction values are approached. (C) 2010 American Institute of Physics. [doi:10.1063/1.3434529]“
“Poly(lactide) (PLA) and its copolymers can be made from naturally occurring materials. They are ideal candidates as sustainable materials
to replace the petroleum based polymers. However, these polymers often are brittle so toughening is needed. One of the most effective toughening methods is to reactive blend brittle polymers with materials having very different rigidity. This approach requires that the two materials chemically bond with each other at the interface to compatibilize the blends. Thus, to design and make reactive systems is a key to the success of reactive blending. In this article,
we studied toughening poly(lactide-co-glycolide) (PLGA) with a rubbery material poly(trimethylene carbonate) (PTMC). We observed that PTMC spontaneously reacted with PLGA during melt blending. The reaction produced PLGA-co-PTMC copolymers that stayed at the PLGA/PTMC interface. Those copolymers not only helped to create a stable blend microstructure at a length scale of 100 rim but also promoted the bonding between the PLGA and PTMC domains. It is interesting that the reaction did not need a catalyst or initiator. We speculated that this reaction between
selleck inhibitor PLGA and PTMC was a transesterification reaction. This reaction is easy to achieve and is expected to broaden the property range of the PLGA and other degradable polyesters, enabling them to replace certain types of petroleum based polymers. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 2153-2158, 2010″
“Objective-To determine risk factors for Dihydrotestosterone mw prolonged anesthetic recovery time in horses that underwent general anesthesia for ocular surgery.
Design-Retrospective cohort study.
Animals-81 horses that underwent general anesthesia for ocular surgery between 2006 and 2013.
Procedures-Descriptive information recorded included the ocular procedure performed, concurrent fluconazole treatments, analgesic and anesthetic agents administered, procedure duration, use of sedation for recovery, and recovery time. Data were analyzed for associations between recovery time and other variables.
Results-81 horses met inclusion criteria. In 72 horses, anesthesia was induced with ketamine and midazolam; 16. horses treated concurrently with fluconazole had significantly longer mean recovery time (109 minutes [95% confidence interval CI,94 to 124 minutes]) than did 56 horses that were not treated with fluconazole (50 minutes [95% Cl, 44 to 55 minutes]).