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USJI University Research Report Vol.60

2017.09.15

Keio University

Sophia University

Topic:
Use of [C4mim]Cl for efficient extraction of caffeoylquinic acids from sweet potato leaves
Researcher:
Toyonobu Usuki, Associate Professor, Department of Materials and Life Sciences, Faculty of Science and Technology
Read from here:

Sweet potato, Ipomoea batatas, is a widely cultivated vegetable worldwide. The leaves contain polyphenolic natural products called caffeoylquinic acids (CQAs), which possess biological activities including inhibition of aggregation of amyloid peptides. The present study describes an efficient extraction and isolation procedure for CQAs from sweet potato leaves using a cellulose-dissolving ionic liquid. The results showed that, compared to methanol, use of 1-butyl-3-methylimidazolium chloride ([C4mim]Cl) allowed the extraction of a 6.5-fold greater amount of CQAs. Read more in external link.

University of Tsukuba

Topic:
A sound understanding of basic properties of materials leads the way to innovative energy technology
Researcher:
Yutaka Moritomo, Professor, Faculty of Pure and Applied Sciences
Read from here:

The mobile phones, computers, and other portable devices that are such an integral part of our lives are made possible by their compact, high-performance batteries. Strangely enough, however, the mechanisms by which that performance manifests itself are not always sufficiently understood.

The University of Tokyo

Newly developed chemical catalyst system: The new artificial catalyst system developed in the study, named the Synthetic Chromatin Acetylation (SynCAc) system, does not rely on enzymes for the critical chemical modification—known as acetylation—of chromatin.

Ritsumeikan University

Waseda University

Books waiting for us to accept their invitation to engage them.

Topic:
Re-thinking the Purpose of Undergraduate Education:Great Books, Responsible Citizens, and Reflective Human Beings
Researcher:
Andrew Domondon, Associate Professor, Faculty of Science and Engineering
Read from here:

I argue that the purpose of undergraduate education is none other than to educate students to become responsible citizens and reflective human beings, and that the study of the Great Books, writings by great thinkers such as Plato, Aristotle, Descartes, and Kant is necessary to fulfill that purpose.

Kyushu University

Kyoto University

A chimpanzee choosing "scissors" over "paper."

Topic:
Chimpanzees learn rock-paper-scissors
Researcher:
Tetsuro Matsuzawa, Distinguished Professor, Primate Research Institute & Institute for Advanced Study
Read from here:

A Kyoto research team has demonstrated that chimps can grasp the ‘circularity’ that characterizes rock-paper-scissors, and play the game at the same level as young human children. Tetsuro Matsuzawa, renowned for his work in demonstrating cognitive abilities in chimpanzees, worked together with Jie Gao of Kyoto and Peking University. Their study, based on data gathered separately from studies of chimps and preschoolers, appeared recently in the journal Primates. Read more in external link

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