Porous Si possesses several properties that make it advantageous for medical diagnostic applications, including low toxicity, high surface area, tunable pore sizes and volumes, and flexible surface chemistry. In this talk, the electrochemical synthesis and use of nanostructured porous silicon films and microparticles will be described. The use of the photoluminescence and reflective optical response of these materials for in-vitro and in-vivo sensing and drug delivery applications will be presented.
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