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New Research Results

Wastewater treatment 02/05/2020

Small Minority Microbes in Activated Sludge Influence the Overall Wastewater Treatment Performance
– New analysis approach for understanding reaction mechanisms in the environment based on the microbial genetic diversity –

AIST combined a new analytical approach to evaluate genetic diversity with metatranscriptome analysis, and discovered that when degrading heavy oil in wastewater, nitrifying bacteria that are small minority microbes in activated sludge influence the heavy oil degradation performance of the overall activated sludge.

Figure of new research results from Energy and Environment

Ant neuropeptide 02/14/2020

Elucidation of the Mechanism of Dry Environment Resistance via Ant Neuropeptide
– Neuropeptide controls synthesis of hydrocarbons on the body surface –

AIST examined the expression levels of inotocin, an ant neuropeptide, between young worker ants staying the nest and old worker ants active outside. It was clarified that inotocin controls the synthesis of hydrocarbons that prevent the water loss from the body surface.


Robot guidebook 01/16/2020

Start of Free Distribution of "Long-term Care Robot Development Guidebook"
– Publication of final products of AMED project to promote the Development and Introduction of Robotic Devices for Long-term Care (Standard Formulation and Evaluation Project) –

"Long-term Care Robot Development Guidebook" and related documents were created and free distribution started from September 10, 2018. The guidebook mainly targets long-term care robot developers, and systematically summarizes information such as safety design and testing methods for development of long-term care robots.

Figure of new research results from Information Technology and Human Factors

Light up-conversion 02/17/2020

A Solid Material That Converts Near-Infrared Light to Visible Light Realized by a Solution Coating Method
– Elucidation of mechanism of conversion process provides clues for improving emission yield –

AIST has realized a solid material that converts near-infrared light to yellow visible light by using the rapid drying cast method. This material consists of newly synthesized metal-complex molecules that absorb near-infrared light uniformly dispersed in a luminescent material on solidification.

Figure of new research results from Materials and Chemistry

Sensor sheet 02/18/2020

Development of a Flexible Sensor Sheet Capable of High-Definition Measurement of Wide Temperature Distributions
– Visualization of temperature distributions in hidden locations –

AIST has developed a sensor sheet with a wide measurement range and high-sensitivity temperature detectors arranged on a film. The sheet was fabricated using printing technology. The measurable temperature range was expanded up to 140°C and the measurement accuracy of ±1°C was achieved.

Figure of new research results Electronics and Manufacturing

Groundwater maps 02/06/2020

“Groundwater Maps” That Can Be Understood at a Glance Published on Website
– Creating an environment that lets anyone view groundwater information –

Water environment maps of two new areas and the previously published water environment maps of four areas have been published on the website of AIST. In addition, the results of wide area groundwater flow survey have also been published as the Groundwater Database for Japan.

Figure of new research results from Geological Survey of Japan

Circuit measurement 02/03/2020

Use of Ultra-high Precision Planar Circuit Measurement Technology to Evaluate Printed Wiring Performance in the 300 GHz Band
– Accelerating utilization of communication and sensors that use untapped frequency ranges –

AIST has developed a circuit measurement method to measure the transmission characteristics of high frequency transmission lines (coplanar waveguides). The developed method enabled high precision measurement of the characteristics of coplanar waveguides fabricated using printing technology in the ultra-high frequency range over 300 GHz.

Figure of new research results from National Metrology Institute of Japan

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