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Introduction
Nílson Kunioshi (国吉ニルソン) is a professor in the Faculty of Science and Engineering of Waseda University (早稲田大学理工学術院). He came to Waseda as an associate professor in 2007, the year corresponding to the 100th aniversary of the Faculty of Science and Engineering. He belongs to the Center for English Language Education (CELESE, School of Creative Science and Engineering) and also to the Deparment of Materials Science in the Graduate School of Fundamental Science and Engineering (基幹理工学研究科材料科学専攻). You will hopefully get an idea, from this website, about his research activities related to the analysis of the dynamics and kinetics of chemical reactions, and to the relationship between science education, language and culture.…
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Curriculum vitae
Education 1984 B. Eng., University of São Paulo, Department of Chemical Engineering1988 M. Eng., Kyoto University, Department of Industrial Chemistry1993 Dr. Eng., Kyoto University, Department of Industrial Chemistry Professional experience 1993-2002 Lecturer, Okayama Prefecture University2002-2007 Lecturer, Osaka University2007-2009 Associate Professor, Waseda University2009- Professor, Waseda University
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Recent research grants
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Recent publications (education, language & culture)
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Recent publications (chemistry)
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Relation between language, culture and science education
Transcripts of lectures delivered in English at mainstream American universities were uploaded to OnCAL (Online Corpus of Academic Lectures), and transcripts of lectures delivered in Japanese at mainstream Japanese universities were uploaded to OnCAL.jp. The analysis of these corpora enable the analysis of how the cultural background is reflected in the way instructors in science and engineering use language in the classroom. The figures below are the interface of OnCAL and OnCAL.jp websites. OnCAL and OnCAL.jp can also be used by learners, researchers, or instructors who want to become more familiar with the language used in lectures delivered in English or in Japanese. OnCAL (above) and OnCAL.jp (below) websites. Related…
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Carbon dioxide reactions at the surface of silicon dust
When silicon wafers are produced industrially, a large amount of waste (that we call silicon dust) is produced when the large silicon single crystals are sliced into thin wafers. Silicon dust may have some functionality, because it was originally part of the ingot (single crystal) generated by the Czochralski method and had the potential to become part of a silicon wafer. Silicon dust is now being disposed, in spite of its potential functionality. We are analyzing how carbon dioxide can adsorb and react at the surface of such materials. The figure below depicts the transition state of the adsorption reaction of carbon dioxide over a cluster of silicon atoms (which is…
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Mechanism of epitaxial growth of silicon crystal surfaces
We are conducting research for elucidating how the surface of silicon crystals grow inside CVD (Chemical Vapor Deposition) reactors. This process is already exploited in industry but the surface growth mechanism is not known. A high-temperature mixture of trichlorosilane (SiHCl3) and hydrogen (H2) is used as the gaseous source gas, and SiCl2 molecules form as reactions occur in the reactor. SiCl2 adsorption is believed to be one of the most important chemical events in the epitaxial growth mechanism of a Si(100) surface. In order to elucidate the chemical reaction mechanism leading to the surface epitaxial growth, other subsequent reactions that should occur (elimination of chlorine atoms from the surface, adsorption…
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Mechanism of mineralization of phospholipids
In collaboration with a colleague in the Department of Biomaterials of the Graduate School of Medicine, Dentistry and Pharmaceutical Sciences of Okayama University, who found that phospholipids (molecules that are the building blocks of cell membranes) can mineralize or, in other words, promote the growth of bone-like materials, our lab is working on the elucidation of the chemical reaction mechanism of the mineralization process of phospholipids. By elucidating such a mechanism, our research may allow the synthesis of molecules that lead to a faster formation of bone-like materials. Phospholipids are bio-organic molecules that contain a phosphate group in the center, a hydrophilic functional group, and a hydrophobic carbon chain. The…