Dr. Kazuo Umemura is a full professor of Tokyo University of Science. His specialty is biophysics, especially, nanobioscience and nanobiotechnology. One of his recent interests is nanoscopic research of hybrids of biomolecules and carbon nanotubes (CNTs). Unique structures and physical/chemical properties of the hybrids are promising in biological applications such as nanobiosensors and drug delivery. Dr. Umemura received his B.S. degree in Physics from Nagoya University. His M.S. and Ph.D. degrees were given from Tokyo Institute of Technology. After working at several institutes/universities as a researcher in Japan and in China, he became a professor of Tokyo University of Science. Kagurazaka campus of Tokyo University of Science is located at the center of Tokyo, so five subway/railway lines reach in front of the campus
"Nanobiosensing Using Optical Responses of Carbon Nanotubes"
Abstract: Nanocarbons such as carbon nanotube and graphene are promising nanomaterials for various nanoscopic applications including biological and medical applications. Several research groups proposed new methods of detecting DNA mismatch using nanocarbons. Drug delivery systems using nanocarbons were also reported by several authors. In this talk, we demonstrated evaluation of antioxidant ability of catechin using DNA wrapped carbon nanotubes. Catechin is one of the major components of teas. Because near-infrared absorbance and near-infrared photoluminescence of carbon nanotubes are sensitively changed by oxidation and reduction, the antioxidant ability of catechin were well monitored as functions of times and concentrations. Furthermore, we focused on effects of chirality of carbon nanotubes on the nanobiosensing applications.
Dr. Shu YIN, He received a B. S. degree in inorganic chemical engineering from the Dalian University of Technology in 1987. He received a M. S. degree in chemical metallurgy from the Institute of Chemical Metallurgy (ICM, latterly Institute of Process and Engineering, IPE), Chinese Academy of Science in 1990, then worked as a research associate for 2 years at ICM. He came to Japan and worked as a research fellow in the Hydrothermal Chemistry Research Laboratory (Prof. N.Yamasaki’s Group), Kochi University in 1992, then became a research assistant at the Institute for Chemical Reaction Science (ICRS, Prof.T.Sato’s group), Tohoku University during 1995-1997. He received a Ph.D. degree in applied chemistry from Tohoku University (research period shortened) in 1999. He has been a full-time research assistant at the ICRS in 1999, then a lecture and associate professor at the Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University in 2005, and then a full-time professor in 2016. He is also an affiliate professor of eight Chinese Universities / Institute(Lanzhou University; Dalian University of Technology; Guangxi Research Institute of Chemical Industry, Huaqiao University, Taiyuan University of Technology, Sichuan University, Beijing University of Technology , Beijing University of Science and Technology). His research papers were cited more than 8600 times and showed a citation h-index = 51. He has also participated in the organization of some international conferences and acted as session chair in more than 30 international conferences. Until now, he was invited to act as independent reviewer and referee for more than 40 academic journals. His research interests include morphological control of nanostructured materials, photocatalytic materials, UV-shielding materials, hydrothermal / solvothermal process, soft chemical synthesis. He has authored more than 440 original research papers(IF>4: more than 100 papers), contributed 25 book chapters/ review papers and 22 patents. He has co-authored nearly 300 international conference presentations and presented more than 70 invited talks since 2004.
"Novel Solvothermal Synthesis of Environmental Responsive Inorganic Functional Materials"
Dr. Hai M. Duong received his Ph.D. in Chemical Engineering at Melbourne University in 2004. Since then, he has expanded his research interests in science and applications of carbon-based nanomaterials through experiments and computational modelling. He was awarded four postdoctoral fellowships at world-class laboratories: University of Oklahoma, USA; University of Tokyo, Japan; Massachusette Institute of Techlogy (MIT), USA and University of Cambridge, UK. Currently, as an Assistant Professor of at National University of Singapore (NUS), he has awarded 3 global innovational awards and his research interests include a number of emerging fields such as carbon nanotubes (CNTs), aerogels and their applications for aerospace structures, energy devices, environmental treatment, and thermal transport phenomena in small-scale of biological systems. He has 3 commercialized patents, published 9 book chapters, 150+ journal papers and conference proceedings, gave several keynotes and invited talks. Dr. Duong is also the key member of Functional Material Society and the technical committee on nanotechnology in Singapore and the editorial member of International Journal of Aeronautical Science and Aerospace Research (IJASAR).
"From Environmental Wastes to High-Value Aerogels for Engineering Applications"
Abstract: This talk will focus on how to reuse the environmental waste to solve environmental problems. The paper waste, fabric waste and plastic bottle waste can be converted into advanced eco-friendly aerogels for several applications such as oil spill cleaning, sound and thermal insulation, fire-retardant and CO2 filtering and medical devices. More facile, cost effective, much less time-consuming fabrication methods have been innovated. The continuous and large-scale process takes much less time and uses much less non-toxic chemicals than previous aerogel techniques. Water-repellent structures of the carbon-based aerogels are stable over 6 months in tropical climate. They can absorb oil excluding water 4 times larger than that of the best commercial sorbents. The aerogels can be squeezed to recover over 99% of absorbed crude oil and then reused several times. Thermal jackets using the carbon-based aerogels can maintain ice slurry inside water bottles for up to 4 hours. The compressed aerogels in the pallet form can be effective to be used to haemorrhage control within 5 seconds. With a simple but effective surface coating method, the aerogels can absorb large amount of CO2 from air and stand up to 620oC.