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This paper reports the first demonstration of a self-powered environmental monitoring robot which backpacked a biofuel cell (BFC) and a micro wireless sensor module on insect. Electric power was generated from blood sugar in its hemolymph by using the BFC and temperature and humidity around it was monitored by using the wireless sensor module. Furthermore, the robot moves autonomously by the intention...
A high-stability living battery that uses a metallic catalyst for glucose oxidation instead of enzymes is investigated. In this battery, glucose in insect haemolymph is oxidised by a gold nanoparticle (AuNP)-modified electrode, which is utilised as the anode of the battery. The AuNP-modified electrode was fabricated by sputtering gold onto a carbon cloth in a low-vacuum state. First, the oxidation...
This paper repots a demonstration of an IC driving by a trehalose biofuel cell (BFC) mounted on insects. First, we evaluated a trehalose oxidized anode. Then, we fabricated an insect-mountable BFC (imBFC) and the maximum power density of 42.9 μW/cm2 was obtained from the imBFC. Finally, we demonstrated to flash a LED by the imBFC. These results showed the possibility for developing a power source...
This paper reports an insect mountable biofuel cell (imBFC) which generates electric power from trehalose found in insect hemolymph and refuel trehalose from insect hemolymph by diffusion automatically. First, we designed and fabricated the imBFC consisted of a connector, two chambers, a dialysis membrane and electrodes. Then, we evaluated the power density and life-time of the imBFC. The maximum...
Recently there are many huge earthquakes, Tsunami, pandemic of new type virus and so on. For example, Japan is one of the most earthquake-prone countries in the world. People often fall in various unexpected troubles. So we focus on some functions from the views of “Self-Help”, “Mutual-Help” and “Public-Help” in various emergencies and crisis. In this demonstration we report two communication trials...
In this study, a concept for a decision support system for optimal agricultural production under global environment changes is proposed. To sustain the productivity under climate change, is not sufficient in Japan The Japanese market and consumers are quality-sensitive and, considering benefits of farmers, they need to produce quality products. In this study, a new concept of a decision support system...
In this paper we describe two new measuring methods of contact forces, derailment coefficient, and friction coefficient between wheel and rail. The new method from on-board side needs no special wheelset and can realize constant monitoring of derailment coefficient. The new method from track side can measure the change of contact forces continuously along the rail direction. The comparisons with conventional...
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