Gunma university

3 ARTICLES PUBLISHED IN JoVE

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Engineering

A Polymer-based Piezoelectric Vibration Energy Harvester with a 3D Meshed-Core Structure
Takuya Tsukamoto 1, Yohei Umino 1, Kotaro Hashikura 1, Sachie Shiomi 1, Kou Yamada 1, Takaaki Suzuki 1,2
1Gunma University, 2JST PRESTO

In this study, we fabricated a flexible 3D mesh structure and applied it to the elastic layer of a bimorph cantilever-type vibration energy harvester for the purpose of lowering resonance frequency and increasing output power.

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Behavior

Measurement of Spatial Stability in Precision Grip
Ryoto Teshima 1, Naoto Noguchi 2, Ryota Fujii 3, Ken Kondo 4, Koji Tanaka 4, Bumsuk Lee 4
1Division of Rehabilitation Service, Geriatrics Research Institute and Hospital, 2Faculty of Rehabilitation, Gunma University of Health and Welfare, 3Department of Rehabilitation, Gunma Chuo Hospital, 4Graduate School of Health Sciences, Gunma University

The goal of this protocol is to measure the center of pressure (COP) replacement using a high spatial resolution sensor sheet to reflect the spatial stability in a precision grip. The use of this protocol could contribute to greater understanding of the physiology and pathophysiology of grasping.

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Neuroscience

Easy and Reproducible Low-Density Primary Culture using Frozen Stock of Embryonic Hippocampal Neurons
Noriko Koganezawa 1, Reiko T. Roppongi 2, Yuko Sekino 3,4, Izuo Tsutsui 3, Ayaka Higa 5, Tomoaki Shirao 1,5
1Department of Pharmacology, Graduate School of Medicine, Gunma University, 2Gunma University Initiative for Advanced Research, Gunma University, 3Department of Veterinary Pathophysiology and Animal Health, Graduate school of Agricultural and Life Sciences, The University of Tokyo, 4Institute for Drug Discovery Innovation, 5AlzMed, Inc.

A ready-to-use frozen stock of neurons is a powerful tool for evaluating synaptic functions. Here, we introduce an easy low-density primary culture from frozen stock using a 96-well plate.

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