STT in a SAF-free layer substantially changes the magnetization d

STT in a SAF-free layer substantially changes the magnetization dynamics and induces a this website shift of the critical switching current. STT in a SAF-free layer suppresses current-induced parallel-to-antiparallel switching, whereas it encourages antiparallel-to-parallel switching. (C) 2011 American Institute of Physics. [doi:10.1063/1.3562214]“
“Thermal and smoke properties of poly(vinyl chloride)/copper-containing layered double hydroxide (MgCuAl-LDH) composites were studied in this article. Highly crystallized LDH with platelet size at micrometer scale was prepared via urea hydrolysis and further intercalated with a variety of anions. X-ray diffraction results indicated an enlargement of basal spacing to

2.54 nm for dodecylsulfonate-intercalated LDH. The effects of LDHs on thermal stability and degradation behavior of PVC were investigated by Congo Red tests and thermogravimetric analysis (TGA). By incorporating 3 wt % LDHs, the thermal stability times of carbonated MgAl-LDH and MgCuAl-LDH/PVC composites were even three and five times of that of neat PVC. The TGA showed an increase of polyene sequences and char residues formed during PVC pyrolysis. MgCuAl-LDH/PVC composites gave the best reduction in maximum density of smoke, i.e., 25% lower than that of MgAl-LDH/PVC composites. However, the organomodification of LDH by anion exchange gave no contribution to improvement of thermal stability

of PVC. (c) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 273-281, selleck 2011″
“To PRIMA-1MET price assess the plasma levels of the inflammatory markers such as C-reactive protein (CRP), leptin,

and glycosaminoglycans (GAGs) during the menstrual cycle.

Eighteen healthy volunteers were divided into two groups according to the presence of ovulatory or anovulatory menstrual cycles. Blood samples were collected at different time points: at the menstrual phase (days 2-3), periovulatory phase (days 12-13), and luteal phase (days 23-24). CRP and leptin concentrations were measured by enzyme immunoassay. GAGs were isolated using ion-exchange chromatography on DEAE-Sephacel and quantified as hexuronate. The structural characterization of chondroitin sulfate (CS) isomers was performed by fluorophore-assisted carbohydrate electrophoresis (FACE).

In the women with ovulatory cycles, plasma GAG levels differed significantly during menstrual cycle, with increased values at the periovulatory with respect to the menstrual phase. No significant differences in CRP and leptin concentrations were observed through the menstrual cycle in both the examined cycles, but inter-group analysis revealed significant differences of CRP and leptin levels between the ovulatory and anovulatory cycles with higher values at periovulatory phase in the ovulatory cycles.

There are no fluctuations of both total GAG concentration and CS isomer content during menstrual cycle in the anovulatory cycles.

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