“We report super-resolution imaging in a metamaterial system comprising spherical silver nanoparticle chain arrays, where each chain consists of nanoparticles with a smaller particle added to the end. Our simulations reveal that silver nanoparticale chains
have subwavelength resolution capability at visible wavelengths and that the field intensity in the imaging selleck inhibitor plane varies with the number of layers of nanoparticles, their polarization, and their coupling. By adding a smaller nanoparticle at the end of each chain, the resolution capability is significantly enhanced, and high-quality super-resolution imaging can be realized for incident waves polarized along the chain direction. VC 2011 American Institute of Physics. [doi:10.1063/1.3553875]“
“Previous studies of highly branched mutants in pea (rms1-rms5), Arabidopsis thaliana (max1-max4), petunia (dad1-dad3), and rice (d3, d10, htd1/d17, d14,
d27) identified strigolactones or their derivates (SLs), as shoot branching inhibitors. This recent discovery offers the possibility of using SLs to regulate branching commercially, for example, in chrysanthemum, an important cut flower crop. To investigate this option, SL physiology and molecular biology were studied in chrysanthemum (Dendranthema buy AS1842856 grandiflorum), focusing on the CCD8/MAX4/DAD1/RMS1/D10 gene. Our results suggest that, as has been proposed for Arabidopsis, the ability of SLs to inhibit bud activity depends
on the presence of a competing auxin source. The chrysanthemum SL biosynthesis gene, CCD8 was cloned, and found to be regulated in a similar, but not identical way to known CCD8s. Expression analyses revealed that DgCCD8 is predominantly expressed in roots and stems, and is up-regulated by exogenous auxin. Exogenous SL can down-regulate DgCCD8 expression, but this effect can be overridden by apical auxin application. This study provides evidence see more that SLs are promising candidates to alter the shoot branching habit of chrysanthemum.”
“PRINCIPLES: Reimbursement for inpatient treatment in Switzerland is in transition. While hospitals in some cantons already use Diagnosis Related Groups (DRG) based systems for hospital financing, others use fee-for-service (FFS) based systems, a situation that provides the opportunity to perform a head-to-head comparison between the two reimbursement systems. The aim of this analysis was to compare reimbursement systems with regard to length of hospital stay (LOS) and patient outcomes in a cohort of community-acquired pneumonia patients from a previous prospective multicentre study in Switzerland.
METHODS: This is a post-hoc analysis of 925 patients with community-acquired pneumonia from a previous randomised-controlled trial.