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Thursday, March 12, 2015 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar -“Hybrid Polymer Blend Nanocomposites for Electrical and EMI Shielding Applications” by Uttandaraman Sundararaj, Professor, Dept. of Chemical and Petroleum Engineering, University of Calgary

ABSTRACT:  Polymer nanocomposites have unique multifunctional properties resulting from the size and shape of the fillers and display superior electrical, thermal and mechanical properties to conventional polymer composites due to the nanoscale size of the filler.  Multiwall carbon nanotubes (MWCNT) as well as Copper and Silver nanowires were melt-mixed with polymers via solution mixing and in miniature mixers, and electrical and mechanical properties were tested.

Friday, March 13, 2015 11:30 am - 11:30 am EDT (GMT -04:00)

Seminar - “Biomaterials Topography for Stem Cell Regulation and Tissue Engineering Applications”, Evelyn KF Yim, Department of Biomedical Engineering, Mechanobiology Institute Singapore, Department of Surgery, National University of Singapore

ABSTRACT:  Stem cells respond to both physical and biochemical changes in their stem cell niche. An ideal scaffold for tissue engineering application should mimic the microenvironment for natural tissue development and present the appropriate biochemical and topographical cues in a spatially controlled manner. Studies have shown that physical forces from the substrate topography play a role in stem cell proliferation, migration and cell fate determination.

Thursday, April 9, 2015 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Some Unique Monte Carlo Molecular Simulation Algorithms and Their Applications" by William R. Smith, Faculty of Science, University of Ontario Institute of Technology, Oshawa, and Dept. of Mathematics and Statistics, University of Guelph

ABSTRACT:  The development of molecular simulation algorithms for predicting the thermodynamic properties of classical fluids and their mixtures began over 50 years ago. An ultimate goal is to predict system properties at both the macroscopic and molecular levels with the minimal need for experimental data. Molecular Dynamics (MD) and Monte Carlo (MC) are the two main approaches, both based on specifying an underlying mathematical model for the molecular interactions (force fields).

Wednesday, April 15, 2015 11:30 am - 11:30 am EDT (GMT -04:00)

Seminar - “Mechanics and Manufacture of Bio-Integrated Electronics” by Dr. Nanshu Lu, Ph.D., University of Texas at Austin

ABSTRACT:  Bio-integrated electronics has demonstrated exciting applications in wearable health monitors, surgical tools, as well as human-machine interfaces. Strategies for bio-integrated electronics must overcome challenges associated with the mismatch between the hard, planar surfaces of brittle semiconductor wafers and the soft, curvilinear tissues of dynamic biological systems.

Thursday, May 14, 2015 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “How Living Cells Sense and Respond to their Mircoenvironment” by Mohammad R.K. Mofrad, Departments of Mechanical Engineering and Bioengineering, University of California, Berkeley

ABSTRACT:  It is now widely established that living cells sense mechanical signals and respond actively by changing their phenotype accordingly. This process, termed cellular mechanotransduction, is mediated by a combination of biochemical and biophysical mechanisms via conformational changes in the structure and function of specific molecules.

Friday, June 19, 2015 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Colloidal Particles at the Interfaces: From Fundamentals to Functional Materials” by Dr. To Ngai, Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T. Hong Kong

ABSTRACT:  The phenomenon of adsorption of colloidal particles at interfaces to stabilize the emulsions has been known for more than a century. Today, particle-stabilized emulsions, or so-called Pickering emulsions are receiving growing attention in the scientific and industrial communities. However, our fundamental understanding of the connection between particle properties and emulsion characteristics is still surprisingly poor.

Wednesday, July 8, 2015 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Development of Hetero-Nanostructures with Multifunctional Properties”, Jin Zhang, PhD., Associate Professor, Department of Chemical & Biochemical Engineering, University of Western Ontario, London, Ontario

ABSTRACT:  Tailor-made nanosystem refers the integration of different components/materials at nanoscale which can show multi-functional and unique properties. Rational design and fabrication of such hetero-nanostructures are vital to break the boundaries of traditional technologies. One of Dr. Jin Zhang’s research interests lies in producing magnetic and optical hetero-nanostructures which show distinguish properties, and have been applied in various devices, e.g. data storage, sensors, etc.

Monday, July 13, 2015 2:30 pm - 2:30 pm EDT (GMT -04:00)

Seminar - “Prussian Blue-Based Adsorbent for Drinking Water Production in Radio Contaminated Area” by Duu-Jong Lee, National Taiwan University and National Taiwan University of Science and Technology

ABSTRACT:  Radiocesium (Cs) removal from tap waters was an emerging issue after the Fukushima Daiichi Nuclear Power Plant Disaster, during which a total of approximately 3.3×1016 Bq Cs was released to the environment. Radioactive fallout can lead to contaminated surface water and/or groundwater, eventually will enter drinking water production chain. Radioactivity in drinking water, even at low levels, can be harmful since the radiocesium can be bioaccumulated in body.