The strains sharing some of the specific properties evaluated were identified genetically, assayed their compatibility and exopolysaccharide production. The results allow going further in the establishment of criteria to select strains to be included in a multi-strain-probiotic-product to be further assayed in animals. (C) 2011 Elsevier Ltd. All rights reserved.”
“Polydimethylsiloxane/polystyrene (PDMS/PS) blends were prepared by radical copolymerization of styrene (St) and divinylbenzene BVD-523 cost (DVB) in the presence of alpha,omega-dihydroxy-polydimethylsiloxane (PDMS), using

benzoyl peroxide as initiator. The PDMS/PS blends obtained by this method are a series of stable, white gums, when the feed ratio of PDMS to St is 60/40 and DVB to St is not more than 2.0 wt %. Elastomers based on PDMS/PS blends were formed by crosslinking PDMS with methyl-triethoxysilicane (MTES). The MTES dosage was much larger than the amount necessary for end-linking hydroxy-terminated chains of PDMS, with the excess

being hydrolyzed to crosslinked networks, which were similar to SiO(2) and acted as filler. Mechanical property measurements show that the elastomers thus formed exhibit Superior mechanical properties with respect to pure PDMS elastomer and the elastomers based on PDMS/PS system we prepared before. Moreover, investigations were carried out on the elastomers by extraction measurement and selleck products scanning electron microscopy (SEM). The extraction data show that the sol-fraction decreases with increasing the feed ratio of DVB to St. SEM observation demonstrates that the elastomer has a microphase-separated structure consisting of dispersed PS domains within a continuous PDMS matrix, and the extracted material exhibits a porous structure. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 112: 985-990, 2009″
“Using the dielectric resonator method, we have investigated nonlinearities in the surface impedance Z(s)=R-s+jX(s) of YBa2Cu3O7-delta thin films at 10 GHz as a function of the incident microwave power level and temperature. The use of a rutile

dielectric resonator allows us to measure the precise temperature of the films. We conclusively show that the usually CA3 Stem Cells & Wnt inhibitor observed increase in the surface resistance of YBa2Cu3O7-delta thin film as a function of microwave power is due to local heating. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3079520]“
“Background: For some surgeons, rotating-platform total knee designs are an intellectually appealing option to use for total knee arthroplasty because of the contention that they can self-align and accommodate small mismatches in the rotational position of the tibial and femoral components. We carried out a randomized clinical trial to determine if a posterior-stabilized, rotating-platform knee design provided better maximum knee flexion, better function, or better durability at five years of follow-up when compared with a fixed-bearing design.