Philipp Gutruf

Soft, battery-free, wireless sensors and photonics for the assessment and stimulation of biological systems

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Speaker: Dr. Philipp Gutruf, Assistant Professor in the Biomedical Engineering Department, University of Arizona

Date: Wednesday, January 27, 2021 4:00 pm – 5:00 pm PST

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Philipp Gutruf


Recent advances in materials and fabrication concepts for soft electronics coupled with miniaturization of wireless energy transfer schemes enable the construction of high-performance electronic and optoelectronic systems with sizes, shapes and physical properties matched to biological systems. Applications range from continuous monitors for health diagnosis to minimally invasive exploratory tools for neuroscience. This seminar explores the creation of such systems and discusses applications in the context of imperceptible body-worn devices for the assessment of hemodynamics, sweat and thermal properties of the skin.  The seminar will also explore highly miniaturized embodiments featuring advanced capabilities in energy harvesting and photonics to enable deployment as multifunctional subdermally implantable neuroscience tools with neuromodulation capabilities in a broad range of freely behaving animal subjects. Specifically, we will explore the use of such tools to record genetically encoded calcium indicators, deliver optogenetic stimulus to freely flying animal subjects and enable cell specific transcranial stimulation without physically penetrating the blood brain barrier in freely moving subjects in ethnologically relevant environments.


Dr. Philipp Gutruf is an Assistant Professor in the Biomedical Engineering Department and Craig M. Berge Faculty Fellow at the University of Arizona. He received his postdoctoral training in the John A Rogers Research Group at Northwestern University and received his PhD in 2016 at RMIT University (Australia). In the last 5 years he has authored over 40 peer reviewed journal articles, received 4 patents and his work has been highlighted on 8 journal covers. He has also been the recipient of prestigious scholarships and fellowships such as the International Postgraduate Research Scholarship (IPRS) and the Australian Nano Technology Network Travel Fellowship. His research group focuses on creating devices that intimately integrate with biological systems by combining innovations in soft materials, photonics and electronics to create systems with broad impact on health diagnostics, therapeutics and exploratory neuroscience.