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This paper describes a simple and instrument-free screen-printing method to fabricate hydrophilic channels by patterning polydimethylsiloxane (PDMS) onto chromatography paper. Clearly recognizable border lines were formed between hydrophilic and hydrophobic areas. The minimum width of the printed channel to deliver an aqueous sample was 600 μm, as obtained(More)
A general remote controlled robot is manipulated by a joystick and a gamepad. However, these methods are difficult for inexperienced users because the mapping between the user input and resulting robot motion is not always intuitive (e.g. tilt a joystick to the right to rotate the robot to the left). To solve this problem, we propose a touch-based interface(More)
Food and water contamination cause safety and health concerns to both animals and humans. Conventional methods for monitoring food and water contamination are often laborious and require highly skilled technicians to perform the measurements, making the quest for developing simpler and cost-effective techniques for rapid monitoring incessant. Since the(More)
This paper proposes a physical user interface for a user to teach a robot to navigate a home environment. The user places small devices containing infrared based communication functionality as landmarks in the environment. The robot follows these landmarks to navigate to a goal landmark. Active landmarks communicate with each other to map their spatial(More)
Parkinson disease (PD) is a neurodegenerative disorder characterized by the loss of dopaminergic neurons. Current therapies provide symptomatic treatment only and thus fail to prevent the process of neurodegeneration. Recently, it has been reported that neurotrophic factors could support the survival and enhance the function of dopaminergic neurons. Thus,(More)
The treatment strategies of cerebral infarction have been studied in order to prevent neuronal cell death. Gene therapy is one of the most promising therapy and has several advantage over classical drug therapies. There has been a problem that drug proteins are unable or difficult to pass through blood brain barrier. In gene therapy, however, drug proteins(More)
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