نتایج جستجو برای: heavy silicone oil
تعداد نتایج: 269067 فیلتر نتایج به سال:
6. Armaly MF: Ocular tolerance to silicones: 1. Replacement of aqueous and vitreous by silicone fluids. Arch Ophthalmol 68:390, 1962. 7. Lee P, Donovan RH, and Mukai N: Intravitreous injection of silicone: An experimental study. Ann Ophthalmol 1:15, 1969. 8. Foerster MM, Esser J, and Laqua H: Silicone oil and its influence on electrophysiologic findings. Am J Ophthalmol 99:201, 1985. 9. Gregor ...
Objective: Oral iron drops are recommended for children aged 6-24 months to prevent iron-deficiency anemia. However, their use is associated with the potential risk of erosion and microhardness reduction of primary teeth enamel due to their high acidity. It seems that the combination of silicone oil, nano-hydroxyapatite and chitosan powder may be able to improve the microhardness and surface ...
Introduction: In real Conditions, pollution emission are mostly released as mixed components rather than a single pure emission of the chemicals. In this study, a miniature stirred tank bioreactor was optimized for treatment of waste gas containing BTX (benzene, toluene and xylene). . Material and Method: The sludge of an oil refinery was sampled based on the assumption that it contains BTX-d...
In most biochemical analyses, a flow-through heating arrangement is needed to reduce the reaction time or maintain a constant temperature. A rectangular reactor is described that is constructed of aluminium, is hollow inside and is filled with silicone oil. The glass coil through which the solution flows is immersed in the silicone oil. The heater, a Peltier-effect heat pump, on one side and th...
There is a dire need for infection prevention strategies that do not require the use of antibiotics, which exacerbate the rise of multiand pan-drug resistant infectious organisms. An important target in this area is the bacterial attachment and subsequent biofilm formation on medical devices (e.g., catheters). Here we describe nonfouling, lubricant-infused slippery polymers as proof-of-concept ...
PURPOSE To pre p a re and explore new solutions of semifluorinated alkane in silicone oil, which have a specific gravity slightly higher than silicone oil and vitreous fluid (referred to in the following as heavier-than-water silicone oils (HWSs), and to investigate, in vitro, whether HWSs can be used to plug retina holes, while allowing dehydration of the subretinal space. METHODS HWS soluti...
The results of vitrectomy combined with fluid/silicone-oil exchange in 73 eyes with giant retinal tears are reported at six months after surgery. Initial anatomical success was achieved in 71 out of 73 eyes (97%) and, prior to removal of silicone-oil, in 66 out of 73 eyes (90%). In 63 eyes (86%) the retina remained attached six months after surgery. Of these visual acuity was 6/60 or better in ...
1. Weinberger AW, Kirchhof B, Mazinani BE, Schrage NF. Persistent indocyanine green (ICG) fluorescence 6 weeks after intraocular ICG administration for macular hole surgery. Graefes Arch Clin Exp Ophthalmol 2001;239:388–90. 2. Paques M, Genevois O, Regnier A, et al. Axon-tracing properties of indocyanine green. Arch Ophthalmol 2003;121:367– 70. 3. Kobbert C, Apps R, Bechmann I, et al. Current c...
PURPOSE Our purpose was to define the optimal protocol for imaging of the orbits after vitreous humor replacement with silicone oil. METHODS Eleven eyes in 10 patients with tractional and/or rhegmatogenous retinal detachment were studied. Five CT scans and 18 high-field (1.5 T) MR images were obtained. Standard T1-weighted, T1-weighted with fat and silicone saturation, fast spin density-weigh...
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