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John T.W. Yeow, PhD, PEng
Professor, University of Waterloo
jyeow [at]
uwaterloo.ca
MEMS
or novel nanomaterial-based Systems and
Devices
Canada Research Chair in Micro/Nanodevices
Department of Systems Design Engineering
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Current
Students:
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Rui Zhou, PhD Candidate
rui.zhou@uwaterloo.ca
Rui's research interest is in the Terahertz (THz) technology. The current focus is on developing THz detection devices, enhancing THz signal processing techniques, and exploring the applications of THz technology in the biomedical field.
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Guanxuan Lu, PhD Candidate
g29lu@uwaterloo.ca
Google Scholar
He is pursuing his doctoral degree in the field of Engineering. His research project is divided into two parts: one is terahertz (THz) antenna for enhancing the detected signal, and the other is terahertz photothermalelectric (PTE) detectors for realizing real-time imaging application. The comprehensive research process involves designing, simulating, fabricating and testing the final devices.
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Mustafa Yuksel, PhD
myuksel@uwaterloo.ca
Google Scholar
Mustafa, is a professional holding a PhD in Physics & Nanotechnology and currently employed as a full-time Research and Development Project Manager at Teledyne DALSA. He is managing CMOS Image sensors development and high speed, Machine Vision imaging applications. Mustafa is a part-time PhD student in Systems Design Engineering, supervised by Prof. Yeow. His primary research focus centers around biosensor device development, specifically the creation of an innovative and fully automated electrochemical point-of-care biosensors designed for human samples. Currently, Mustafa is actively involved in enhancing the reaction kinetics of molecular surface assays influenced by mass transport. His research extends to the development of a new technology utilizing vibration and agitation to improve the sensitivity by mass transport approach during the detection process. This involves the implementation of an automated agitation system and a fully automated device.
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Yifei Yuan, PhD Candidate
y262yuan@uwaterloo.ca
Yifei is focusing her efforts on capacitive micromachined ultrasonic transducers (CMUTs). Her research is divided into two main areas: firstly, the development of pressure sensing for heart rate, pulse, and health monitoring by flexible CMUTs; secondly, the exploration of sound detection through low-frequency CMUTs with polymer membranes which is a promising application in artificial cochleae.
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Postdocs:
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Fred Sun, PhD
fred.sun@uwaterloo.ca
His research focus on carbon nanotubes in X-ray emission.
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Jiaqi Wang, PhD
j767wang [at]
uwaterloo.ca
Jiaqi Wang is working on photothermoelectric infrared detectors based on low-dimensional nano materials, such as CNTs.
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Zhemiao Xie, PhD
z73xie [at]
uwaterloo.ca
Zhemiao Xie is working on low dimensional carbon nanomaterials for various applications in photothermalelectric detectors, supercapacitors and TENGs.
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Visiting Students:
Coop
Students:
Alumni and
Former Students:
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Alex Jiayu Liu, PhD
ja5liu [at]
uwaterloo.ca
His research focuses on the design, simulation and fabrication of carbon nanotube field emission (CNT-FE) cathode that mainly studies the characteristics of X-ray source.
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Elahe Cheraghi, PhD
echeraghi [at]
uwaterloo.ca
Linkedin: https://www.linkedin.com/in/elahe-cheraghi-b0a4a958/
ResearchGate: https://www.researchgate.net/profile/Elahe-Cheraghi-3
She received both her bachelor and master degree in material science and engineering, and have worked with different kind of materials for various applications so far. Currently, She works on boron nitride (BN) aerogel fabrication for radiation shielding application as her PhD thesis. The main focus in her project is to improve the thermal properties of a very light weight BN aerogel.
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Siyuan
Chen, PhD
csykeith@gmail.com
His research focus on nanomaterials for radiation shielding application.
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Mingyu Zhang, PhD
zhangmingyu [at]
hit.edu.cn
Mingyu Zhang is working on simulation, design and fabrication of carbon materials for infrared and terahertz detection.
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Champika
Samarasekera, PhD
csamaras [at] uwaterloo.ca
Champika is working on cell lysis and
lysate separation techniques for
Lab-on-Chip type devices that utilize a
combination of nanostructured surfaces and
ultrasound.
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Yunhan Li, PhD
liyunhan88 [at]
hotmail.com
Yunhan is studying a novel multi-pixel X-ray source for fluence field modulated CT based on carbon nanotube field emission technology.
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Zhou Zheng, PhD
z57zheng [at]
uwaterloo.ca
Zhou Zheng is working on simulation, design and fabrication of capacitive micromachined ultrasonic transducers (CMUTs). He is keen on developing CMUTs for medical imaging applications.
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Zhenhao Li, PhD
z223li [at] uwaterloo.ca
Zhenhao's research interests are: (i)
particle radiation shielding material
design; (ii) Gas sensor design
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Limin Lu, PhD
lu.limin001 [at] gmail.com
Limin's research area: blood dialysis
materials for artificial kidneys
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Yibei Zhao, PhD
y263zhao [at] uwaterloo.ca
He is working on cell sorting and separation for a lab-on-a-chip device that utilizes the phenomenon of dielectrophoresis.
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Albert I.H.
Chen, PhD
ichen [at]
uwaterloo.ca
My
research is mainly focused on integrating
CMUT with Catheters for medical imaging. I
am also designing medical imaging device
using MEMS Micromirror.
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Lawrence Wong, PhD
l5wong [at]
uwaterloo.ca
His
research interest is "Capacitive
Micromachined Ultrasonic Transducers for
Non-destructive Testing
Application".
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Shuai Na, PhD
nashuow [at]
gmail.com
Shuai is studying on Capacitive Micromachined Ultrasonic Transducers (CMUT) for air-coupled applications.
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Yaning Cui, MASc
ycui [at]
uwaterloo.ca
She is working on design, simulation and fabrication of a Polymer-based Capacitance Micromachined Ultrasonic Transducers (CMUTs) for Medical Imaging Applications.
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Shruti Nambiar, PhD
snambiar [at] uwaterloo.ca
She works on nanomaterial-based radiation sensors for biomedical applications. She has also worked on radiation shielding materials using polymer/carbon-nanotubes and polymer/nanoparticle composites.
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Manu Pallapa,
PhD
mgpallap [at]
uwaterloo.ca
His
research interests are in standard and hybrid
MEMS based biomedical sensors and actuators.
He is currently working on polymer magnetic
MEMS for endoscopic imaging applications. The
work involves the fabrication, modelling and
testing of single and array polymer magnetic
mirrors with contactless actuation and
control.
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Hui Chen, PhD
huichenscut [at] gmail.com
His research interest is focused on nonlinear
control of the MEMS devices. His current
project is to design the control system for
magnetic and electrostatic actuated MEMS
micromirror.
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Fangjun
Liu
lfj816 [at]
gmail.com
Research Subject: Modeling radiation
dependent conductivity of carbon nanotube
matrix
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Morteza
Ahmadi, PhD
morteza.ahmadi [at]
gmail.com
Morteza's
research interests are: (i) radiation
sensors based on bio/nanomaterials; (ii) an
artificial kidney
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Mohamed Aly Saad Aly, PhD
malysaad [at]
uwaterloo.ca
My
research mainly focus on designing and
fabricating lab-on-chip device for cell
lysis using antimicrobial porous polymeric
monolith (PPM) column fabricated in polymeric
microfluidic biochips.
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Mehdi Shahini, PhD
m2shahin [at]
uwaterloo.ca
His
research is on miniaturization of electro-mechanical
systems into lab-on-a-chip devices functioning biological
sample preparation. The multidisciplinary projects involve
modeling, simulation, design, fabrication and troubleshooting
of MEMS-based prototypes. The main focus of the research is on
i) Incorporation of Carbon Nanotube (CNT) to enhance cell
electroporation and, ii) Development of a cheap and fast
methodology for fabrication of electro-microfluidic chips.
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Yanhui Bai,
PhD
His research area includes the
modeling and simulation of MEMS actuators and
sensors, applications of MEMS devices, as
well as various types of MEMS fabrication
techniques. Currently, he is designing novel
MEMS micro-mirrors for optical coherence
tomography (OCT) and confocal systems for
biomedical applications such as
endoscopes.
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Mohsen Shahini, PhD
mshahini at
engmail.uwaterloo.ca
He
is working toward an effective solution for
the problem of manipulating micro-sized
objects precisely and automatically. He
proposes MEMS technology to fabricate the
mechanical components of such manipulators
which will enhance the dexterity and
manoeuvrability of the system. That will also
improve the throughput of multi degree of
freedom micromanipulation tasks by fitting a
number of micro/milli-scaled actuators into
one workplace. Multiple of the manipulators
can operate together in a conventional
robotic-assembly-line fashion to implement
more complex manipulation. To minimize the
intervention of a human, the manipulation is
automated by incorporating a visual-servo
feedback mechanism into the controller.
Artificial intelligence is efficiently
employed to compensate for the poorly-known
nonlinear effects of various micro forces,
making the system robust against variation in
parameters involved in the overall magnitude
of the micro forces such as ambient and
surface conditions.
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Andrew S. Logan, PhD
He is responsible for the
development of MEMS based ultrasound
transducers for catheter based imaging. A
catheter based ultrasound imaging system will
allow for improved diagnosis of vascular
occulsions and better monitoring of a
patient's treatment. Applying MEMS based
technology will facilitate manufacturability
and flexibility of the transducer system when
compared to traditional
technologies.
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Josh
Reid
js2reid [at] uwaterloo.ca
He is a co-op student working under Mehdi
Shahini doing research on MEMS and lab on a
chip devices, specifically dealing with cell
lysis and electroporation.
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Pablo Enrique
pablo.daniel.100 [at]
gmail.com
He conducted experiments involving a hydrophone, oscilloscope, CNC machine, LabVIEW and Matlab to programmatically acquire data from 2D and 3D areas. He also measured and modeled CMUTs with 3D modeling software.
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Kevin Joseph
kevinjoseph91 [at] gmail.com
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Frans van Wijngaarden
fransw [at] arago.utwente.nl
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Yun Wang,
PhD
y83wang at
engmail.uwaterloo.ca
Her
research interest is focused on the design,
modeling and fabrication of a capacitive
humidity sensor based on capillary
condensation. Micro/nano porous structures
can highly enhance the condensation and
adsorption of vapour due to capillary
effect. Therefore a higher change of
capacitance can be detected because of the
higher dielectric of water. This device has
high potential applications on biomedical
systems or fuel cells.
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Weijie Wan,
PhD
wwan at
engmail.uwaterloo.ca
His
research interest is focused on design,
modeling, fabricating and testing of
lab-on-chip devices that are capable of
performing several biochemical analysis
functionalities in a single chip such as
preparation, separation, proliferation and
detection of biological samples. The
technology has a huge potential for
applications such as point-of-care diagnosis
and portable biochemical analysis
systems.
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Sangtak Park, PhD
sangtak at
engmail.uwaterloo.ca
He
has been working on a novel operating scheme
of the micromirror based on MEMS technology.
His main research topic is a charge actuation
mechanism that can be implemented with low
operating voltage, while achieving more
deflection than the conventional
voltage-controlled method does.
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So-Ra Chung,
M.E.Sc. P.Eng., PhD
RF Energy Harvest Device for
advanced MEMS with 3-D construction robotics
technology.
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Joyce Xinya
Gao, PhD
x8gao at
engmail.uwaterloo.ca
Her
main research interests include modeling and
simulation of Carbon Nanotubes sensors, the
properties and applications of CNTs. Her
current project is CNTs based Nano device for
biomedical applications which include CNTs
models setting up and designing a CNTs based
radiation dosimetry. |
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Fred Sun, PhD
He is studying the field
emission property of CNT. He plans to design
a CNT based multi-pixel CT scanner which will
be used in cancer study.
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Rong Bai, PhD
candidate
rbai at
engmail.uwaterloo.ca
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Qingsheng
Kang, PhD
qkang at
engmail.uwaterloo.ca
He is working on radiation sensors using
nanomaterials.
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Seungwoo
Park, PhD
s56park at
engmail.uwaterloo.ca
His
research interests include
micro-/nano-technology based humidity sensing
systems for fuel cell
applications.
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Niraj
Sinha, PhD
Novel
nanomaterial-based X-ray Scanner.
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Jiazhi Ma,
PhD
Her research interest lies in
developing novel sensors and devices using
nanotechnology for biomedical applications.
Current projects include carbon nanotubes and
carbon fibers based radiation dosimetry with
the objective of designing and building a new
generation of radiation dosimeters. Radiation
dosimetry is an important application to
radiation biology and oncology as proper beam
production to avoid unintended exposure to
radiation is crucial.
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Jethro Ma, BASc candidate
jkma at
engmail.uwaterloo.ca
He
is a Nanotechnology Engineering student
responsible for designing and developing
hardware and programming software interfaces
for nanotechnology based devices. He is
currently developing a system to interface
with a new generation of carbon nanotube
based radiation dosimeters.
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Sarbast Rasheed, Ph. D.
s.rasheed@ieee.org
Modelling and simulation of MEMS
devices.
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James Ting-Yu
Lin, MASc.
jtlin[at]uwaterloo.ca
Research in the electrokinetics of
small particles through phenomena such as
dielectrophoresis and traveling wave
dielectrophoresis. He is currently
investigating the effects of novel electrode
geometry in biological cell sorting. The
overreaching goal of his project is an
integrated and portable bioanalysis
system.
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Keith Mo,
MASc.
kkmo at
engmail.uwaterloo.ca
His
research area is primarily focused on
developing a fluorescence detection system
that can be integrated with lab-on-a-chip to
help achieve a truly portable bioanalytical
system. He also has side projects involving
integrating inertial measurement sensors for
applications such as monitoring joint
movement.
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Chau Do,
MASc.
Her area of focus is three
dimensional microassembly of MEMS structures.
This involves designing microgrippers as well
as the components that will make up the
structure. Once these are fabricated, the
grippers will be interfaced with macro
equipment and used to assemble the
parts.
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Xiaodan Xu, BASc candidate
x7xu at
sciborg.uwaterloo.ca
Her
project is software and hardware developments
for x-ray devices.
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Ryan Case, BASc candidate
rjcase at
engmail.uwaterloo.ca
MEMS
Interface Design
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Ahmad Ebadi
Tezerjani, MASc in Systems Design
Thesis: Micro-Electro-Thermo-Magnetic
Actuators for MEMS Applications
aebadite at
engmail.uwaterloo.ca
The
principles of engineering design and scaling
laws in microscale are investigated. The
focus in his research is on developing
various designs of single and
multi-degree-of-freedom microactuators for
MEMS applications. In his research, he has
developed new designs of linear and rotary
microactuators including micromotors.
Electrothermal, electromagnetic, and
electrothermomagnetic microactuation
techniques are developed.
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Jamie Yantzi, MASc in Systems
Design
Biotechnological applications
for lab-on-a-chip technologies
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James Pei M. SHE, PhD candidate
novel nanomaterial-based Sensors
and Sensor Networking
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Samer Abdallah, MASc
Candidate
Using Nano
and Micro technology to build biomedical
devices or what is called
lab-on-chip
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Sangjune
Laurence LEE, BASc.
Adaptive Optics and Lab-on-chip
Devices
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Caglar Elbuken, PhD candidate
Magnetic levitation (maglev)
robotics and damping control in maglev
systems. He is currently studying on the
design and implementation of a
microlevitation system for micromanipulation
and drug delivery applications.
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Wood Chiang, BASc Candidate (2007)
wochiang at
gmail.com
His
research area includes biomedical MEMS and
control systems for MEMS
microassembly.
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Sidha Wong, BASc Candidate
Greenhouse
Robotics
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Nancy Xu, BASc Candidate
Microgripper design for
microassembly processes
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