“
“Longitudinal magneto-optical Kerr effect

(MOKE) magnetometry and microscopy have been performed on a superferromagnetic (SFM) metal-insulator multilayer of (Co(80)Fe(20) (t(n)=1.3 nm)/Al(2)O(3) (3 nm)](10) to understand the dynamic behavior of the SFM domains. Frequency dependent hysteresis loops measured by MOKE show that the coercive field H(c) increases as the rate (frequency) of magnetization reversal is increased similar to dynamic hysteresis loops observed on conventional ferromagnetic ultrathin selleck chemicals films. This dynamic hysteresis behavior arises due to SFM friction-controlled domain wall motion which is observed by MOKE microscopy. We see that the nucleation field for SFM domains increases for hysteresis loops with higher frequency as expected for a ferroic system. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3070645]“
“A new acridone, named citruscridone

(1) together with five known compounds were isolated from the wood of Citrus reticulata Blanco. Their structures were established based on spectroscopic evidence. The antibacterial and antifungal activities of the wood extracts and pure compounds were evaluated.”
“This study used in vitro and in vivo experimental models EVP4593 manufacturer to investigate the anti-inflammatory potential of the butanol fraction of red bean ethanol extract (BF-RBEE), which contains the biologically active molecule catechin-7-beta- D-glucopyranoside. Treatment with BF-RBEE inhibited nitric oxide

production in lipopolysaccharide (LPS)-stimulated macrophages through suppression of extracellular signal-regulated Nepicastat inhibitor kinase and I kappa B alpha activation. In an in vivo murine sepsis model, oral administration of BF-RBEE improved mouse survival. Specifically, the survival rate of mice injected with LPS was 0 and 40% in ICR and BALB/c mice, respectively, whereas the survival of mice co-treated with BF-RBEE was 100% in both mouse types. This increase in survival with the BF-RBEE administration was correlated with decreased tumor-necrosis factor-alpha and interferon-gamma and increased interleukin-10. Oral administration of BF-RBEE also inhibited total and ovalbumin-specific IgE production in experimental mice. These results suggest the possible usefulness of red beans in the treatment of inflammatory diseases.”
“A study of nonlinear effects in conductivity of a bulk sample of La0.75Ca0.25MnO3 grown by the floating-zone technique is presented. It was found in previous studies that paramagnetic-ferromagnetic (PM-FM) transition in this compound is of first order and has been suggested to have a percolating character. The aim of this study has been to reveal such effects. For this purpose, the conductivity in the PM-FM transition region has been studied by applying single ramp millisecond pulses (“” sawtooth”" shape) of current that linearly increase with time.