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(Bio)hybrid materials based on optically active particles

: Reitzig, Manuela; Härtling, Thomas; Opitz, Jörg

Postprint urn:nbn:de:0011-n-2892833 (7.1 MByte PDF)
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Copyright Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Erstellt am: 23.1.2015

Achilefu, S. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Reporters, markers, dyes, nanoparticles, and molecular probes for biomedical applications VI : 2 - 5 February 2014, San Francisco, California, United States
Bellingham, WA: SPIE, 2014 (Proceedings of SPIE 8956)
ISBN: 978-0-8194-9869-4
Paper 89560S, 9 S.
Conference "Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications" <6, 2014, San Francisco/Calif.>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IKTS ()
hybrid materials; nanodiamond; nondestructive testing; rare earth phosphors; sensing; upconversion

In this contribution we provide an overview of current investigations on optically active particles (nanodiamonds, upconversion phospors) for biohybrid and sensing applications. Due to their outstanding properties nanodiamonds gain attention in various application fields such as microelectronics, optical monitoring, medicine, and biotechnology. Beyond the typical diamond properties such as high thermal conductivity and extreme hardness, the carbon surface and its various functional groups enable diverse chemical and biological surface functionalization. At Fraunhofer IKTS-MD we develop a customization of material surfaces via integration of chemically modified nanodiamonds at variable surfaces, e.g. bone implants and pipelines. For the first purpose, nanodiamonds are covalently modified at their surface with amino or phosphate functionalities that are known to increase adhesion to bone or titanium alloys. The second type of surface is approached via mechanical implementation into coatings. Besides nanodiamonds, we also investigate the properties of upconversion phosphors. In our contribution we show how upconversion phosphors are used to verify sterilization processes via a change of optical properties due to sterilizing electron beam exposure.