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Fluorescent Nanoparticles for Biosensing and Biomedical Applications

April 29, 2016 @ 12:30 pm - 2:00 pm

Presenter:

Dr. Snjezana Tomljenovic-Hanic was awarded her PhD in Physical Sciences from the Australian National University in 2003. From 2004 to 2010 she was a Research Fellow in the world-renowned ARC Centre of Excellence for Ultrahigh-bandwidth Devices for Optical Systems, at the University of Sydney. Currently, she is holding her ARC Australian Research Fellowship at the School of Physics, University of Melbourne, working on diamond-based optical devices and novel metal oxide single photon emitters.

Abstract:

In the last few years, study into fluorescent nanoparticles has become a distinctive subject of research. Studies are undertaken into both physical implementations of these structures and their applications. This increase in interest is driven by the numerous applications of fluorescent materials in industry, medicine, information technology, energy storage, sensing and many others. In this talk I will present two examples of combining fluorescent nanoparticles with photonic materials. First, I will present the results on new compound: nanodiamonds (NDs) and silk. We have demonstrated successful coating of NDs with silk and observed a single-photon emission with increased collection efficiency after the silk coating. This unique combination of silk and NDs has the potential to give rise to a new class of very bright, bio-compatible and environment friendly bio-sensors. Second, I will report on ZnO fluorescence, with ZnO nanoparticles obtained by Zn-ion implantation in silica. With this technique, a high concentration of single photon emitters can be produced in a small volume on the surface of silica substrates. Our ability to address and identify individual defects will allow further insight into their nature.

Details

Date:
April 29, 2016
Time:
12:30 pm - 2:00 pm

Venue

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