材料系邀請到 University of California, Santa Barbara 的工學院院長Matthew Tirrell來演講 題目 : NanoBiotechnology: How Will the Products Be Made? (內容包含對該校工學院的介紹) 時間 : 2006.01.04(四) 14:00-15:00 演講者 : Matthew Tirrell Departments of Chemical Engineering and Materials Materials Research Laboratory Institute for Collaborative Biotechnologies California NanoSystems Institute University of California, Santa Barbara工學院院長 地點 : 工學院綜合大樓 203室(國際演講廳) 歡迎各位踴躍參加 如有疑問請洽02-33664531材料系辦公室 簡介 : Self-assembly is a route to processing of chemical products that relies on information content built into the process precursors. Self-assembly occurs frequently in biology but translating that bioinspiration to controllable chemical processing presents many interesting problems. Self-assembly is guided by information content intrinsic to the assembling units, in which multiple levels of structural organization are built into a product. Owing to the complexity of structures formed and the nominal ease of spontaneous organization, self-assembly is increasingly being examined as a practical chemical processing method. The resultant structures are being actively explored as new materials, surface treatments, catalysts, membranes, photonic materials and electronic devices, to name a few areas of current engineering exploration. Self-assembly is one of the key mechanisms by which nature builds products, from biological molecules such as proteins to larger structures such as cells and extracellular matrices, the spatial arrangement of atoms is determined, in large part, by information built into the assembling units. Complexity, in the sense of development of emergent properties of an assembly that cannot readily be envisioned from the constituents, can arise spontaneously during self-assembly and often does, especially in biological systems. We are only beginning to develop sufficiently sophisticated synthetic assemblers to mimic biology in this way. Indeed, other routes to self-organization,including those far from equilibrium, may also be of interest for nanotechnology. A challenge for engineers is to develop the practical routes to technologically important self-assembly processes. Applications will be to biomaterials, porous materials, molecular electronics and many other areas. Hurdles that must be overcome include the precision synthesis of precursors, mastering the kinetics and dynamics of such processes, scale-up, and the characterization and control of self-assembly products and processes. Prospects for success and current efforts in these areas will be discussed. --

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