(C) 2011 Elsevier Masson SAS. All rights reserved.”
“Amorphous melt-spun ribbons of Pr8Fe86-xTixB6 (x = 0-10) alloys were successfully consolidated into bulk materials by the spark plasma sintering
method. X-ray diffraction and transmission electron microscopic studies revealed that the resultant bulk materials consisted of nanosized grains of the alpha-Fe and Pr2Fe14B phases. The coercivity of the Pr-Fe-Ti-B bulk nanocomposite magnets increased with increasing Ti content. The Pr8Fe80Ti6B6 bulk nanocomposite magnet exhibited a high remanence of 10.2 kG with a coercivity of 4.9 kOe, while the Pr8Fe76Ti10B6 bulk VX-770 research buy magnet exhibited a remanence of 6.5 kG with a high coercivity of 8.2 this website kOe. (c) 2011 American Institute of Physics. [doi:10.1063/1.3566060]“
“PURPOSE: To evaluate the natural history of focal collections (islands) of lens epithelial cells (LECs) on the posterior capsule after cataract surgery.
SETTING: Department of Ophthalmology, St. Thomas’ Hospital, London, United Kingdom.
METHODS:
Patients in previous studies with various intraocular lenses (IOLs) and at least a 2-year follow-up were identified. Postoperative digital retroillumination images of each eye taken at 1, 3, and 6 months and 1 and 2 years were assessed for the presence of LEG islands and their incidence, etiology, time of appearance, change with time, and relationship to IOL material.
RESULTS: Islands of LECs were identified in 39 eyes with an AcrySof SA60AT IOL, 40 eyes with a Rayner Centerflex C570H IOL, and 27 eyes with a Hoya YA6OBB IOL. In all groups, the islands tended to appear within 6 months with a decreasing incidence thereafter. Floating LECs that seeded on the posterior capsule (seeded LECs) or LECs left
on the posterior capsule at surgery were seen in a small number Sotrastaurin purchase of eyes. Most islands were derived from regression of a previous LEC membrane, and a majority continued to regress. Intraocular lens material had no influence on the natural history or morphology of the islands.
CONCLUSION: Islands of LECs were common postoperatively. Equatorial LECs appeared to be the major cause of clinical posterior capsule opacification (PCO). Floating LECs in the aqueous that seeded on the posterior capsule or LECs left behind after surgery did not appear to contribute to clinical PCO.”
“Plant plasma membrane intrinsic proteins (PIP) cluster in two phylogenetic groups, PIP1 and PIP2 that have different water channel activities when expressed in Xeno pus oocytes. PIP2s induce a marked increase of the membrane osmotic water-permeability coefficient (P(f)), whereas PIP1s are generally inactive. Here we report the cloning of two durum wheat (Triticum turgidum L subsp. durum) cDNAs encoding TdPIP1;1 and TdPIP2;1 belonging to the PIP1 and PIP2 subfamilies, respectively.