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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Wireless Microrobotic Oxygen Sensing for Retinal Hypoxia Monitoring
verfasst von : Olgaç Ergeneman, George Chatzipirpiridis, Salvador Pané, Georgios A. Sotiriou, Christos Bergeles, Bradley J. Nelson
Erschienen in: Wireless Mobile Communication and Healthcare
Verlag: Springer Berlin Heidelberg
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This paper presents a luminescence oxygen sensor for retinal-hypoxia monitoring. The sensor coats a wirelessly controlled magnetic microrobot that will operate in the human eye. The coating embodies Pt(II) octaethylporphine (PtOEP) dyes as the luminescence material and polystyrene as a supporting matrix. It is deposited on the microrobot as a thin film and this film is experimentally evaluated using a custom optical setup. Due to the intrinsic nature of luminescence lifetimes, oxygen concentration was determined using a frequency-domain lifetime measurement approach.