The 2nd Area Seminar was held.

　As the 2nd Area Seminar, we invited Professor Bernhard Wolfrum from the Technical University of Munich to give a lecture. Professor Wolfrum is a researcher who is active at the forefront of the biosensor and bioelectronics fields, and he also has experience of staying at the Research Institute of Electrical Communication, Tohoku University as a visiting associate professor for a long period of time in 2017. This time, he took the opportunity of visiting Japan for another academic conference to stop by Tohoku University before returning home.

　At the seminar, he gave a talk entitled “Needle electrode arrays for interfacing cortical organoids”, in which he introduced the needle-type 3D electrodes (https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202400645) that he developed for deep brain organoid measurements, as well as flexible electrodes (https://onlinelibrary.wiley.com/doi/full/10.1002/adma.202210206, https://onlinelibrary.wiley.com/doi/full/10.1002/anbr.202300102) were introduced in detail, with the latest data.

　The “Area Seminar” is held in a format that is open to researchers outside the domain, and this time, around 50 researchers and students attended, both in person and online. During the Q&A session, there were many questions about electrode fabrication and observation methods, as well as cell measurement technology, and a lively discussion took place.

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