Our investigations indicate that the peptide corresponding to the membrane-spanning domain of caveolin-1 does not span the lipid bilayer. We propose that both caveolin
scaffolding domain and transmembrane segment of caveolin-1 contribute to the strong association with the plasma membrane rendering the protein highly detergent resistant. Copyright (c) 2012 European Peptide Society and John Wiley & Sons, Ltd.”
“N,O-hexanoyl chitosan (HC) displayed unique properties of excellent processibility, solubility in common organic solvents and cationic characteristics, thereby might find versatile applicaions for biomedical engineering. In this study, the biocompatibility of HC was evaluated. The effect of HC on dermal fibroblast attachment, proliferation and viability LY2835219 solubility dmso was examined in vitro, in comparison with poly(lactide-co-glycolide) (PLGA) and chitosan. The in vivo tissue response to HC was compared with PLGA implanted subcutaneously; the weight loss of the implant materials was also measured duing the degradation process. It was found that HC had no deleterious effect on the viability SNX-5422 cell line of dermal fibroblast. In vivo, HC displayed a favorable tissue response profile compared with PLGA, with significantly less inflammation and fibrosis. The erosion rate of HC could be modulated by changing the degree of substitution of hexanoyl groups in HC.”
“A new
methodology for the simultaneous determination of salicylic acid and salicylamide in biological fluids is proposed. The strong overlapping of the fluorescence spectra of both analytes makes impossible the conventional fluorimetric determination. For that reason, the use of fluorescence decay curves to resolve mixtures of analytes is proposed; this is a novel technique that provides the benefits in selectivity and sensitivity of the fluorescence decay curves.\n\nIn order to assess the goodness of the proposed method, a prediction set of synthetic samples were
analyzed obtaining recuperation percentages between 98.2 and 104.6%. Finally, a study of the detection limits was done using a new criterion resulting in values for the detection limits of 8.2 and 11.6 mu g L-1 for salicylic acid and salicylamide respectively.\n\nThe selleck products validity of the method was tested in human serum and human urine spiked with aliquots of the analytes. Recoveries obtained were 96.2 and 94.5% for salicylic acid and salicylamide respectively. (C) 2011 Elsevier B.V. All rights reserved.”
“Introduction: Although the spectrum of fungi causing bloodstream fungal infections continues to expand, Candida spp. remains responsible for the majority of these cases. Objective: The purpose of this study was to characterize the candidemia epidemiology, species distribution and antifungal susceptibility patterns at a Brazilian tertiary teaching public hospital with 2,500 beds.
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