The clinical heterogeneity seen in parkinsonism may reflect the occurrence of combined pathology.”
“Crosslinked nitrile-butadiene rubber (NBR)/hindered phenol composites were successfully prepared by mixing tetrakis [methylene-3-(3-5-ditert-butyl-4-hydroxy phenyl) propionyloxy] methane (AO-60) into NBR with 35% acrylonitrile BTSA1 chemical structure mass fraction. The structural and mechanical properties of the NBR/AO-60 composites were systematically investigated by using differential scanning calorimeter, XRD, Fourier transform infrared, scanning electronic microscope, dynamic

mechanical analyzer, and tensile testing. The results indicated that the AO-60 changed from crystalline form into amorphous selleck screening library form, and most of the AO-60 molecules could be uniformly dispersed in the NBR matrix. The glass transition temperature (T-g) of NBR/AO-60 composites increased gradually with increasing content of AO-60. The increase in T-g could be attributed to the formation of a strong hydrogen bonding network between the AO-60 molecules and the NBR matrix. Unlike the pure NBR, the NBR/AO-60 rubber composites had only one transition with a high loss factor. With increasing content of AO-60, the loss peak shifted to the high temperature region, the loss factor increased from 1.45 to 1.91, and the area under the tan delta versus temperature

curve (TA) also showed a significant

increase. All these results were ascribed to the good compatibility and strong intermolecular interactions between NBR and AO-60. Furthermore, all NBR/AO-60 composites exhibited higher EPZ5676 glass transition temperatures and tensile strength than NBR, and they had other desirable mechanical properties. They have excellent prospects in damping material applications. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 3696-3702, 2012″
“The purpose of this research was to evaluate the probiotic potential of a capsulated Streptococcus thermophilus CHCC 3534 strain. The strain proved to tolerate 0.4% oxgall and was sufficiently resistant to pH as low as 2.5 for 3 h of exposure. The strain demonstrated high adherence to human intestinal mucus, and showed a unique resistance to different antibiotics. Crude extracts of S. thermophilus CHCC 3534 contained a diffusible antimicrobial compound “”bacteriocin”" with a broad spectrum that inhibited the growth of closely related lactic acid bacteria and a number of food spoilage bacteria, including Salmonella typhimurium and Staphylococcus aureus. The bacteriocin was heat stable, resistant to pH, inactivated by proteolytic enzymes and resistant to -amylase and lipase. SDS-PAGE analysis of the partially purified bacteriocin revealed one peptide with a molecular weight ranging from 14.4 to 18.4 kDa.