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New Research Results

Soot particles 12/03/2020

Measurement of Soot Particles Deposited on the Ground Over the Past 20 Years
– Newly acquired long-term records for the evaluation of a snow-darkening effect in climate-change models –

AIST analyzed and clarified changes over the past 20 years in surface deposition of soot particles at Sapporo City and Rishiri Island. The revealed deposition of soot particles had large interannual variation and it increased when massive Asian Dust swept over Japan.

Figure of new research results Geological Survey of Japan

Alzheimer's disease 08/11/2020

Development of New Mouse Model for Early Stage of Alzheimer's Disease
– Expectation for elucidating the pathogenic mechanisms and developing methods to prevent and improve cognitive impairment –

AIST developed a novel mouse model of Alzheimer's disease (AD). The developed AD model mice are transgenic mice (Aβ-GFP mice) that express only oligomers of amyloid-β protein (Aβ), one of the causative factors of AD, in neurons and exhibit early stage of AD.

Figure of new research results Life Science and Biotechnology

Neural pathway 07/17/2020

Discovery of Newly Formed Neural Pathway after Brain Injury
– Possibilities for motor function recovery by appropriate facilitation of brain changes –

AIST has investigated changes in the neural pathways of the brain during the process of motor function recovery using model animals with permanent lesion in the brain. As a result, it was discovered that a new neural pathway was formed.

Figure of new research results Materials and Chemistry

Clay-containing nanocomposite 09/24/2020

Tamamushi Lacquer Nanocomposite Is Adopted As a Coating of Helmets for the Tohoku Rakuten Golden Eagles Professional Baseball Team
– Durability added to a traditional craft, allowing heavy-duty use –

AIST and Tohoku Kogei developed a clay-containing nanocomposite protective layer that will widen applications of Tamamushi lacquer. The surface coated by the protective layer is less susceptible to scratches. Rakuten Baseball, Inc. decided to adopt helmets coated with the Tamamushi lacquer nanocomposite.

Figure of new research results Materials and Chemistry

Gold Nanomaterials 09/03/2020

Development of Simple Process for Synthesis of Gold Nanomaterials
– Rapid synthesis via a one-step reaction using a succinic acid derivative and control of crystal growth direction –

AIST has developed a one-step synthesis of gold nanomaterials using a succinic acid derivative. It has discovered that the succinic acid derivative rapidly reduces gold ions and that the bilayer membranes of this compound act as a template for controlling the direction of crystal growth.

Figure of new research results Electronics and Manufacturing

Volcano map 11/24/2020

Development of a Web-Based Integrated System to Display Information on 440 Quaternary Volcanoes Across Japan at a Glance
– Published the “Geologic Map of Volcanoes in Japan (1:200,000)” database with the world’s highest level of accuracy –

AIST has published the Geologic Map of Volcanoes in Japan that lets you view and search for a distribution of volcanic eruption products and geological information of about 440 quaternary volcanoes across Japan as a new addition to the “Volcanoes of Japan” databases.

Figure of new research results Geological Survey of Japan

Reference materials 10/02/2020

Supply of New Certified Reference Materials for Doping Testing
– Contribution to higher reliability of doping testing at international sports events –

Using quantitative nuclear magnetic resonance spectroscopy and other methods, AIST has developed two types of certified reference materials (standard solutions) composed of target substances for doping testing. The reference materials will contribute to higher reliability of doping testing at international sports events.

Figure of new research results National Metrology Institute of Japan

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