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Former seminars



12.00 pm, Seminar Room on the 1st Floor

Magnetic Nanoparticles: A precision tool for cell imaging and activations

Prof. Jinwoo Cheon (Yonsei University, Korea)

One of the important trends of next-generation biomedical sciences is the development of new tools that can accurately image, identify, and execute desired missions in a selectively programed manner. Nanotechnology is among one of the essential platform tools for targeted imaging, therapy, and simultaneous monitoring of therapeutic efficacy. In this talk, I will discuss magnetic nanoparticles as a core platform material and tool for a variety of functionalities such as sensing, targeting and signaling of cells in a selective and efficient way.

more information in PDF format (140.43 Kb)


12.00 pm, Seminar Room on the 1st Floor

Recent Topics in Nanotechnology: Gold Atom (Crown Jewel) Catalysts and Hybrid Organic Thermoelectric Films

Prof. Naoki Toshima (Tokyo University of Science Yamaguchi, Japan)

Nanoscience and nanotechnology are now applied to various fields in the world. Here I will present two topics developed in our group quite recently. The first topics is concerned with single-atom catalysts of so-called Crown Jewel catalyst which have a top gold atoms on palladium clusters and highly active for aerobic oxidation of glucose (Nature Materials, 2012). Here, we prepared Crown Jewel-structured (Ir/Pd)/Au trimetallic nanoclusters having the highest catalytic activity for the glucose oxidation by galvanic replacement reaction of Ir/Pd bimetallic nanoclusters with Au atoms at top positions. The high activity of the top Au atoms can be explained by the electronic properties of top Au atoms (Advanced Materials, on-line pub., 2015). The second topics is concerned with conversion of waste heat energy to electric energy with flexible organic thermoelectric devices, which have much advantages compared with traditional inorganic ones. The hybrid organic thermoelectric materials prepared by using nanoparticles of a polymer complex, carbon nanotubes and poly(vinyl chloride) have been discovered to be developed without conducting polymers like PEDOT-PSS and have a high thermoelectric performance (ZT = 0.3). The hybrid materials are stable and easily applied to constructing flexible thermoelectric devices with high maximum electric power (Advanced Materials, accepted for publication, 2015).


12.00 pm, Seminar Room on the 1st Floor

Photoactivation of Anticancer Metal Complexes Using Nanoparticles

Luca Salassa