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Thursday, May 19, 2016 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “New Solution and Formulation Approaches for Process Design and Operation under Uncertainty” by Xiang Li, Department of Chemical Engineering, Queen's University

ABSTRACT:  Mathematical programming methods have been widely adopted for process design and operation, as they provide systematic means to find optimal or feasible design/operation decisions that may not be easily seen from qualitative or simple quantitative analysis. However, mathematical programming formulations of process design and operation problems are usually nonconvex, implying that an optimal, or even a feasible solution, is difficult to obtain.

Thursday, June 23, 2016 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Inferring Transportation CO2 From Wearable Sensors” by Erik Wilhelm, Assistant Professor, Singapore University of Technology and Design

ABSTRACT:  The Singapore University of Technology and Design facilitated an ambitious large-scale science experiment in September and November 2015 which saw over 43,000 students carrying sensors designed to measure temperature, humidity, pressure, light, noise, IR temperature, motion, among other physical parameters in a project supported by the National Research Foundation and carried out with partners from the Ministry of Education and the Singapore Science Center. Prof. Erik Wilhelm, Prof.

Thursday, June 30, 2016 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Multifunctional Materials for Electronics and Photonics”, Federico Rosei, UNESCO Chair in Materials and Technologies for Energy Conversion, Saving and Storage, Centre for Energy, Materials and Telecommunications, INRS, Varennes (QC), Canada

ABSTRACT: The bottom–up approach is considered a potential alternative for low cost manufacturing of nanostructured materials [1]. It is based on the concept of self–assembly of nanostructures on a substrate, and is emerging as an alternative paradigm for traditional top down fabrication used in the semiconductor industry. We demonstrate various strategies to control nanostructure assembly (both organic and inorganic) at the nanoscale.

Thursday, July 7, 2016 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “Biomimetic Membranes Based on Aquaporin Z for Water Purification”, TONG Yen Wah, Department of Chemical and Biomolecular Engineering, National University of Singapore

ABSTRACT:  The regulation of intracellular water activity is a necessary characteristic of many physiological functions in all living organisms. The high water transport rate across cell membranes is due to a type of water channel protein, aquaporin. The unique selectivity, high water transport capability, and low activation energy of aquaporins have garnered strong scientific interests with many studies concentrating on the fabrication of biomimetic membranes based on the reconstitution of aquaporins into self-assembled amphiphilic lipid or polymer bilayers.

Thursday, July 14, 2016 3:30 pm - 3:30 pm EDT (GMT -04:00)

Seminar - “pH-Controlled Complex Formation in Charged Polymer Systems” by Kenneth R. Shull, Department of Materials Science and Engineering, Northwestern University, Evanston, IL USA

ABSTRACT:  Complexes formed in systems containing both positive and negative charges are of fundamental importance in a variety of materials applications.  A common method for producing polyelectrolyte complex films is to sequentially deposit oppositely charged polymers, an effective but tedious process that is not readily scalable.  A focus on this talk is on the deposition of relatively thick films directly onto conducting surfaces, using electrochemical processes to modulate the local pH.  The process is carried out on a quartz crystal microbalance, which in addition to

Monday, July 18, 2016 11:30 am - 11:30 am EDT (GMT -04:00)

Seminar - “Electrical Conductivity, Electromagnetic Interference Shielding and Dielectric Properties of Carbon Nanotube/Polymer Nanocomposites” by Mohammad Arjmand, Postdoctoral Scholar, Polymer Processing Group, University of Calgary

ABSTRACT:  Carbon nanotube (CNT)/polymer nanocomposites (CPNs) have recently drawn great interest for use in electronics, due to their superior properties such as tunable electrical conductivity, light weight, low cost, corrosion resistance, processability, etc. (compare with properties of currently used metals). In fact, the polymer matrix is insulative; however, incorporating a low content of conductive filler transforms it into conductive via forming a conductive network.