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Eva Hemmer

Associate Professor

University of Ottawa

Dr. Eva Hemmer is an Associate Professor of Materials Chemistry at the University of Ottawa. She received her PhD (2008) in materials science from Saarland University (Germany) under the mentorship of Prof. Sanjay Mathur. During her PhD she focused on the synthesis of lanthanide alkoxides and their decomposition to lanthanide-containing inorganic nanomaterials. This experience was further deepened during her postdoctoral studies when she worked on lanthanide-doped nanoparticles for near-infrared bioimaging with Prof. Kohei Soga (Tokyo University of Science, Japan, 2009-2012). In 2013 she was awarded a Feodor Lynen Research Postdoctoral Fellowship from the Alexander von Humboldt Foundation to work in the groups of Profs. Fiorenzo Vetrone and Francois Légaré at INRS-EMT (Université du Québec, Canada, 2012-2015) to develop nanothermometers based on upconverting nanoparticles. In winter 2016 she came to Ottawa in order to design and study novel multifunctional lanthanide-based nanocarriers for biomedical and energy conversion applications at the Department of Chemistry and Biomolecular Sciences.

Eva Hemmer's LinkedIn
hemmerlab.com

Sessions Eva Hemmer is a part of

Wednesday, June 8, 2022

What will it take to make personalized and precision medicine mainstream within 15 years?

3:50 pm to 5:05 pm
in Salon 9

Talk Description

Rare-Earth-Based Nanoparticles as Multimodal Bioprobes

The remarkable optomagnetic properties of the rare-earths (RE) make RE-based materials ideal for biomedical applications. Yet, challenges remain; low emission intensity and efficiency of small nanoparticles (NPs), and reliable, fast synthesis routes. We tackle these challenges with new designs of RE-NPs by chemically controlled synthesis and understanding of structure-property-relationships. Sodium rare-earth fluorides (NaREF4) are our favorite materials, and we developed a fast and reliable microwave-assisted synthesis approach allowing crystalline phase and size control in the sub 15nm realm. This presentation will shed light on recent results and remaining challenges in the field of RE-based nanostructures with respect to their microwave-assisted synthesis as well as structural and optomagnetic properties, seeking biomedical application, while also touching on hyperspectral imaging as an emerging analytical tool offering spatio-spectral information about RE-based materials.

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