Titlebook: Artificial Sight; Basic Research, Biom Mark S. Humayun,James D. Weiland,Elias Greenbaum Book 2007 Springer-Verlag New York 2007 Implantat.b

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Electrochemical Characterization of Implantable High Aspect Ratio Nanoparticle Platinum Electrodes nanoparticles and a nanopowder molding process. Fabricated structures retain a height-to-width ratio of up to 10:1. The described process is able to fuse the stimulating electrode, connection trace, and contact pad into one continuous, integrated structure where different sections can have differen

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High-Resolution Opto-Electronic Retinal Prosthesis: Physical Limitations and Design,However, current retinal implants provide very low resolution (just a few electrodes), whereas many more pixels would be required for a functional restoration of sight..This article presents a design of an optoelectronic retinal prosthetic system with a stimulating pixel density of up to 2500pix/mm.

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Computational Modeling of Electromagnetic and Thermal Effects for a Dual-Unit Retinal Prosthesis: Iods to quantify electrical and thermal deposition in the human tissue with the ultimate goal of addressing safety concerns and optimizing the overall performance of the system. A Partial Inductance Method (PIM) is used for the computation of the electrical coupling parameters of the radiating and re

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A Tissue Change After Suprachoroidal-Transretinal Stimulation with High Electrical Current in Rabbiod: Sclerotomy was performed at the area just beneath the visual streak of rabbits and the platinum (Pt) electrode (diameter: 100μm or 200μm) embedded in silicone plate was attached on the fenestrated sclera. Return electrode was placed in the vitreous cavity. Retina was stimulated by biphasic pulse

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Electrical Stimulation of Mammalian Retinal Ganglion Cells Using Dense Arrays of Small-Diameter Ele the spatial resolution of artificial sight. To lay the foundation for the next generation of retinal prostheses, we assessed the stimulation efficacy of micro-fabricated arrays of 61 platinum disk electrodes with diameters 8–12 μm, spaced 60 μm apart. Isolated pieces of rat, guinea pig, and monkey

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G. L. Brook 6–24 Stunden; bei dünnbreiigen Stühlen (mit 13–17% Trockengehalt) nach 6–15 Stunden; bei proktogener Obstipation (H. Strauß), = Dyschezie nach A. F. Hertz = Torpor recti nach G. Singer, oft erst nach 5–6 Tagen. Irgend welche Reizwirkung bringt das Karmin nicht.

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Energy-Efficient Routing Protocol Based on Probability in DTSNnation node. Simulation results and discussions show that EERPP algorithm achieves satisfactory energy efficiency, as well as acceptable delay in a large scale network, compared with some traditional protocols.

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