The difference in effectiveness between the 2 IOLs ranged from 32% to 12%. With newer action spectra, differences in effectiveness between the tinted IOL and the lenses of a Selleck RG-7112 young standard observer and a 30- to 39-year-old were age dependent (+7% to -10% and +6% to -13%, respectively).
CONCLUSIONS: The tinted IOL was significantly more effective for photoentrainment of the circadian rhythm with newer action spectra. The computational results suggest that the effectiveness of the tinted IOL in
60- to 85-year-old patients would be within +6% to -13% of that in 30 to 39 year olds. Both tinted and untinted IOLs are expected to be effective for melatonin suppression under average household illumination.”
“In this study, a new approach for in situ monitoring of the monomer conversion based on the chemical interaction of a fluoroprobe, pyranine (8-hydroxypyrene-1,3,6-trisulfonic acid, trisodium salt), with polymer chains during the free radical crosslinking copolymerization of acrylamide/bisacrylamide system (AAm/Bis) has been developed. Recently, we have shown that the pyranine fluoroprobes added to the prepolymerization solution in trace amounts bind covalently to the vinyl groups of the growing polymer chains via OH group by radical addition when the free radical polymerization of acrylamide (AAm) is initiated. This covalent SNDX-275 binding results in a considerable blue shift in the emission spectrum of the pyranine,
from 515 to similar to 420 nm. In this study 0.5, 0.7, and 1.0 mol L(-1) linear and crosslinked polymers including trace amounts of pyranine were synthesized. The change in the emission spectra of pyranine during polymerization and gelation were monitored as function of time. Here, we showed that both by theoretically and by comparing the fluorescence data with gravimetric measurements, the fluorescence intensity of pyranine monitored during the polymerization process can be used for in situ monitoring of the monomer conversion with great sensitivity. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115: 2455-2459,
2010″
“With advances in pediatric cardiology and cardiac surgery, the population of adults with congenital heart disease (CHD) has increased. In the current era, there are more adults with CHD than children. This population has many selleck screening library unique issues and needs. Since the 2001 Canadian Cardiovascular Society consensus conference report on the management of adults with CHD, there have been significant advances in the field of adult CHD. Therefore, new clinical guidelines have been written by Canadian adult CHD physicians in collaboration with an international panel of experts in the field. The present introductory section is a summary of the epidemiology and scope of adult CHD in Canada, the structure of the Canadian health care system and adult congenital cardiac health services in Canada. The recommendations for antibiotic prophylaxis and genetic evaluation in this population are included.