Good agreement of our new theory with experiment is obtained. The contrast characteristics in energy-filtered secondary electron images are also explained. The results of this work lead to a more advanced understanding of the doping contrast mechanisms, thereby enabling quantitative dopant profiling using the SEM. (C) 2011 American Institute of Physics. [doi:10.1063/1.3524186]“
“PURPOSE: To assess the predictability, efficacy, safety, and stability of collagen copolymer toric phakic intraocular lens (pIOL) implantation to correct moderate to high myopic astigmatism

SETTING: Fernandez-Vega Ophthalmological Institute, Oviedo, Spain

METHODS: This study

comprised eyes that had implantation of a toric Intraocular Collamer Lens for moderate

to high Belnacasan research buy myopic astigmatism The uncorrected (UDVA) and Etomoxir datasheet corrected (CDVA) distance visual acuities. refraction, pIOL vault, and adverse events were evaluated over 12 months

RESULTS: Preoperatively, the mean sphere in the 55 eyes was -4.65 diopters (D) +/- 3.02 (SD) (range -050 to -12.50 D) and the mean cylinder, -3.03 +/- 0.79 D (range -1 25 to -4.00 D) At 12 months, the mean Snellen decimal UDVA was 0 80 +/- 0 20 and the mean CDVA, 0 85 +/- 0 18; 62.0% of eyes had a CDVA of 20/20 More than 500% of eyes gained 1 or more lines of CDVA. The treatment was highly predictable for spherical equivalent (SE) (r(2) = 0 99) and astigmatic components J0 (r(2) = 0 97) and J45 (r(2) = 0 99) Of the eyes, 94.5% were within +/- 0.50 D of the attempted SE and all were within +/- 1.00 D For J0, 94.5% of eyes were within +/- 0.50 D and for J45, 98 2% of eyes; all eyes were within +/- 1.00 D The efficacy index was 0 95 at 3 months and 1.08 at 1 year.

CONCLUSIONS: The UDVA and CDVA with tom pIOLs were good and highly stable over 12 months, confirming the procedure is safe, predictable, and FRAX597 ic50 effective for correction of moderate to high astigmatic”
“Nicotinamide (NAM) is often added in fortified infant and various food products to ensure an adequate

consumption of vitamin. Thus, a proper monitoring of NAM content in foods can be important. In this study, a selective molecularly imprinted polymer as sorbent for solid phase extraction of NAM in animal sources was successfully developed. The molecularly imprinted polymer was synthesized by bulk polymerization technique. The performances of this polymer as sorbent were investigated in NAM standard solutions. One hundred milligrams of polymer was able to retain up to 244 jig of NAM with recovery > 80% when chloroform was used as loading and washing solvent and ethanol as eluting solvent. Other solvent mixtures were also tested. The optimal molecularly imprinted solid phase extraction protocol was defined and used for the clean-up of NAM in pork liver samples.