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Aalto University School of Science

3 ARTICLES PUBLISHED IN JoVE

Engineering

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells

Alexander B. Cook^1,2, Jonathan D. Yuen², Joseph W. Micheli¹, Albert G. Nasibulin³, Anvar Zakhidov^1,2

¹Physics Department, The University of Texas at Dallas, ²The NanoTech Institute, The University of Texas at Dallas, ³Department of Applied Physics, Aalto University School of Science

A method of fabricating, in ambient conditions, organic photovoltaic tandem devices in a parallel configuration is presented. These devices feature an air-processed, semi-transparent, carbon nanotube common cathode.

Neuroscience

Measuring Properties of the Membrane Periodic Skeleton of the Axon Initial Segment using 3D-Structured Illumination Microscopy (3D-SIM)

David Micinski¹, Lauri Lahti², Amr Abouelezz^1,3,4

¹Minerva Foundation Institute for Medical Research, ²Department of Computer Science, Aalto University School of Science, ³HiLIFE - Neuroscience Center, University of Helsinki, ⁴HiLIFE - Institute of Biotechnology, University of Helsinki

The present protocol describes a method to visualize and measure actin rings and other components of the membrane periodic skeleton of the axon initial segment using cultured rat hippocampal neurons and 3D-structured illumination microscopy (3D-SIM).

Medicine

Study Design for Navigated Repetitive Transcranial Magnetic Stimulation for Speech Cortical Mapping

Pantelis Lioumis^1,2, Salla Autti^1,2, Juha Wilenius^2,3, Selja Vaalto^1,2,3, Henri Lehtinen^3,5, Aki Laakso⁴, Erika Kirveskari³, Jyrki P. Mäkelä², Mia Liljeström^1,2, Hanna Renvall^1,2

¹Department of Neuroscience and Biomedical Engineering, Aalto University School of Science, ²BioMag Laboratory, HUS Diagnostic Center, University of Helsinki, Aalto University, and Helsinki University Hospital, ³Department of Clinical Neurophysiology, HUS Diagnostic Center, University of Helsinki and Helsinki University Hospital, ⁴Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, ⁵Department of Child Neurology, University of Helsinki and Helsinki University Hospital

Navigated repetitive transcranial magnetic stimulation is a highly efficient non-invasive tool for mapping speech-related cortical areas. It helps in designing brain surgery and speeds up the direct cortical stimulation conducted during the surgery. This report describes how to perform speech cortical mapping reliably for preoperative evaluation and research.