The reaction on the surface was confirmed by ATR-FTIR and (1)H-NMR spectroscopic techniques. A series of films were prepared at different concentrations of SOMAP or SONCO in toluene. The increase in hydrophobicity with an increase in SOMAP or SONCO concentrations was observed by water contact angle measurements. The contact angles on the grafted side of the film reach their maximum
value of 88 degrees and 94 degrees for 26 and 2.5% SOMAP and SONCO concentrations in toluene, respectively, while the ungrafted side gives contact angle of 48 degrees. Surface morphologies of PVA-g-SOMAP and PVA-g-SONCO films were investigated by atomic force microscopy, NCT-501 molecular weight whereas optical microscopy and staining was used to determine the homogeneity of the films. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 2431-2438, 2011″
“We have investigated the InGaAs/GaAsSb/InAlGaAs/InAlAs type-II “”W”" quantum wells (QWs) grown on InP substrates by molecular beam epitaxy. The photoluminescence (PL) emission wavelength longer than 2.56 mu m at room temperature (RT) is demonstrated for the first time in this material system. The PL emission peaks of our designed samples can cover a wide range from 2 to 2.5 mu m at cryogenic
temperature. The samples show good optical quality that the reduction in integrated PL intensity is only around one order of find more magnitude from 35 K to RT. We found that the integrated PL intensity decreased as the emission wavelength increased, which is due to the reduction in the electron-hole wave function overlap. This is consistent with the calculated result. In the power dependent PL measurements, the emission peak of “”W”" type QWs show blue shifts with the excitation power (P-ex) but does not follow the P-ex(1/3) rule as predicted by type-II band bending model. The localized
states filling effect SNX-5422 price gives reasonable explanations for the observed phenomena. (C) 2010 American Institute of Physics. [doi:10.1063/1.3506427]“
“Primary blepharospasm is an adult-onset dystonia typically present at rest and exacerbated by bright light, stress and voluntary movements of eyes and eyelids. Inconsistency or inducibility by activities involving muscles other than orbicularis oculi muscles are considered incongruous with typical primary blepharospasm, heralding the suspicion of psychogenicity. We report the clinical vignette of two patients manifesting an unusual presentation of primary blepharospasm, specifically triggered by voiced speech and associated with an otherwise ‘typical’ presentation of primary adult-onset dystonia in the lower face, larynx or upper limb. Speech-induced primary blepharospasm seems a rare occurrence, representing 1.3% of our clinic-based series of 149 patients with primary adult-onset primary blepharospasm.