MiNa seminar series.
Presentations by faculty, visitors, and students.
To add a presentation, use "Create content | SeMiNar", and fill in the details.
|Tuesday, May 13, 2008 - 2:00pm||Dr. Guangrui Maggie Xia||Stress and SiGe Technology for Next-Generation Semiconductors|
Stress engineering and SiGe are receiving more and more attention in semiconductor R&D. They have much enhanced carrier transport properties than traditional Si, and the capability of bandgap engineering. At the same time, they are significantly more economical for large scale production compared to III-V semiconductors.
|Friday, June 13, 2008 - 1:00pm||Dr. Eric Lagally (UBC)||Integrated Microfluidics for Disease Detection and Characterization|
Dr. Lagally’s group develops microtechnology for biological analysis, specifically focused on fabrication of integrated systems for molecular diagnostics.
|Monday, June 23, 2008 - 1:00pm||Frédéric Loizeau||Inkjet printing of mammalian cells into collagen scaffolds|
Inkjet technology has long been used to print our papers, pictures or letters. More recently, attention has expanded to patterning new materials, especially in life science applications. Tissue engineering, by combining living cells in three-dimensional scaffolds, aims to develop complex biological substitutes to restore, heal, or improve tissue function.
|Monday, June 23, 2008 - 1:30pm||Jonas Flueckiger||Reversible cell trapping in microfluidic channels using hydrogels|
Until recently cell studies were carried out on cultures which were
|Wednesday, July 2, 2008 - 1:00pm||Dr. Boris Stoeber||Particles and Gel in Small Channels|
Dr. Stoeber's research group is investigating the flow of non-newtonian fluids in microfluidic environments.
|Tuesday, July 15, 2008 - 1:00pm||Chakravarty Reddy Alla Chaitanya||Micromachining enabled by MEMS|
In general, non-traditional micromachining techniques such as electro-discharge (EDM), mechanical, and electrochemical machining that use single-tip microtools are performed with ultra-precision NC apparatus, which causes low throughput and incurs high costs of ownership. Micro-EDM is a non-contact micromachining technique that can be used to cut any type of electrically conductive materials.
|Tuesday, July 15, 2008 - 1:30pm||Vijayalakshmi Sridhar||Micromachined wireless inductive sensor using flex circuits and hydrogels|
Hydogels are 3 dimensional cross linked structures that are capable of swelling and deswelling with the level of moisture around them. They can be characterized to swell to different biomedical parameters such glucose concentration, temperature, pH etc.
|Tuesday, July 29, 2008 - 11:00am||Sunghoon Kwon||Guided Self-Assembly for Smart Scalable Systems : Optofluidic Maskless Lithography, Railed Microfluidics and Encoded Particles|
There are two different fabrication methods for building complex micro devices: top-down and bottom-up approaches. Top-down approach based on conventional photolithography brought us amazing CMOS manufacturing triumph but it’s facing a fundamental limit in the scaling and cost.
|Tuesday, August 12, 2008 - 2:00pm||Wei Shi||Transistor Vertical Cavity Surface Emitting Laser (TX-VCSEL)|
By integrating the Heterojunction Bipolar Transistor (HBT) structure into a Vertical Cavity Laser (VCSEL) structure, we can combine the advantages of the VCSEL with the optoelectronic properties of the transistor laser. In this paper, we describe the structure of a Transistor VCSEL (TX-VCSEL) and present the numerical modeling results using Crosslight PICS3D.
|Tuesday, August 12, 2008 - 2:30pm||Mrigank sharma||Design and Modeling of advanced gyroscopes|
The gyroscopes have wide applications in navigationsystems ,aerospace ,military,consumer electronics and medical applications.The GPS system, missile launching, helicopter navigation, camcoder imagestabilization etc ,all use gyroscope.
|Monday, November 24, 2008 - 4:00pm||Stephane Evoy||Nanoelectromechanical Resonators: Novel Fabrication Techniques and Applications to Proteomic Analysis|
Nanoscale resonators offer great potential as sensing devices due to their high sensitivity to added masses or external forces. The sensitivity of mechanical resonators scales favorably as their dimensions are reduced, offering a compelling path for the development of sensors with exceptional mass sensitivities.
|Monday, March 2, 2009 - 2:30pm||Dr. Ning Cheng, Huawei Technologies||Ubiquitous Broadband Access Networks: Current Development and Future Evolution|
Explosion of the Internet traffics coupled with emerging multimedia applications, such as video on demand, high definition TV, e-learning and interactive online games, has created tremendous bandwidth demands in access networks. Legacy copper wire technologies (e.g.
|Thursday, March 26, 2009 - 3:00pm||Jacob Po-Ying Yeh||MEMS-based Anti-Biofouling-Mechanism, Devices and Application|
A novel anti-biofouling vibration-based mechanism with the combined effects of electric field and shear stress was reported (on PZT plates). This anti-fouling mechanism can also be activated by a vibrating micromachined Si/SiO2 membrane. In addition, it can incorporate the polymer coating, such as poly(ethylene glycol), unto PZT plates to further enhance the anti-fouling performance.
|Thursday, April 9, 2009 - 4:00pm||Vahid Bazargan||A thermally actuated microfluidic relay valve|
A new 2-stage valving concept for microfluidic systems based on polydimethylsiloxane (PDMS) is presented that uses the reversible gelation of a thermally responsive polymer solution in a control channel to deflect a membrane into the main flow channel for flow control.
|Thursday, April 23, 2009 - 4:00pm||Lisheng Wang||Tailored synthesis of tungsten trioxides for gaseous biomarker detection|
Diabetes is a most common disease worldwide. Acetone in exhaled breath is a known biomarker of Type-1 diabetes. An exhaled breath analyzer has been invented and developed by our team to diagnose diabetes as a non-invasive alternative of the currently used blood-based diagnostics.
|Thursday, April 30, 2009 - 3:00pm||Chin Pang Billy Siu||Biomedical microdevice: microfabricated microlens scanner and PDMS microbial fuel cell|
In this presentation, I will introduce two researches conducted in UBC MEMS Lab: Microfabricated microlens scanner and PDMS Microbial fuel cell.
|Thursday, May 7, 2009 - 4:00pm||Parham Yaghoobi||Electron Emission from Carbon Nanotubes|
A first-principles calculation of the emission current in a single-walled carbon nanotube electron source using the non-equilibrium Green's function and Fisher-Lee's transmission formulation to describe electronic transport through the system.
|Wednesday, June 3, 2009 - 3:00pm||Eric Ouellet||Parallel microfluidic arrays for surface plasmon resonance imaging|
Surface Plasmon Resonance Imaging (SPRI) is a label-free technique for the quantitation of binding affinities and concentrations for a wide variety of target molecules. Although SPRI is capable of determining binding constants for multiple ligands in parallel, current commercial instruments are limited to a single analyte stream and a limited number of ligand spots.
|Tuesday, July 28, 2009 - 3:00pm||Linfen Yu||Cell Analysis Based on Microfluidic Chip|
In this presentation, I will introduce the work conducted in China. The research work including four subjects:
|Tuesday, August 11, 2009 - 4:00pm||Prof. Kenneth Wong||Widely-tunable Picosecond Optical Parametric Oscillator Using Highly-nonlinear Dispersion-shifted Fiber|
Picosecond optical pulse sources have been playing an important role in ultrafast processes such as optical communications and biomedical imaging applications. Today there is a growing demand of short pulse generation in non-conventional wavelength bands, for example, in ultra-fast optical communications.
|Tuesday, March 30, 2010 - 2:00pm||Prof. George Chen, Associate Professor of School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore||Photothermal Techniques for Materials Characterization and Monitoring of human Red Blood Cells|
In the 70s photothermal techniques were developed to characterize materials’ properties. In recent years, photothermal techniques have been modified for studying live cells. In this talk, pulsed photothermal reflectance (PPR) will first be introduced that can characterize thermal properties of thin films and carbon nanotubes.
|Wednesday, September 1, 2010 - 2:00pm||Prof. Zhiping Yu||Resistive RAM, nanowire tunneling FETs, Surface plasmon polariton waveguides- Shifting Scenario in Computational Nanoelectronics|
To sustain the steady improvement in speed, scale, and saving of power for silicon-based ICs while the end of ITRS roadmap looms, new materials, structures, and devices (MSD) are urgently needed.
|changed to MCLD 418|
|Friday, November 19, 2010 - 1:00pm||Yongqi Fu (visiting professor)||Focused ion beam for nanophotonics|
Abstract: With rapid development of nanophotonics, nanofabrication becomes an important topic for structuring nanophotonic devices. Focused ion beam (FIB) technology is a commonly used nanofabrication technique with its unique advantadges of one-step formation, no material selectivity, and locally etching.
|Thursday, March 3, 2011 - 1:30pm||Hideta Ooiso, PhD student, Nagoya University||Equivalent circuit method for MEMS designing|
We constructed an equivalent circuit of a multi degree of freedom comb
|Monday, March 7, 2011 - 12:00pm||Eric Lagally||Microfluidics: from Jell-O to diagnosing disease|
Microfluidics is an emerging technology used to reduce the size and increase the speed of common laboratory assays (procedure for measuring biochemical activity), as well as to combine different assays into entire "lab-on-a-chip" devices.
|Michael Smith Laboratory 102, UBC|
|Tuesday, June 7, 2011 - 3:00pm||Axel Guenther||Artery-on-a-Chip: A Scalable Microfluidic Strategy for Probing Small Blood Vessel Structure and Function|
Small blood vessels are crucial constituents of the vascular system with a structure and function that is closely linked to important questions in cardiovascular health and disease.