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Ryszard Lec, Ph.D.
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Professor of Biomedical Technology Development, School of Biomedical Engineering, Science & Health Systems
Professor, Electrical & Computer Engineering
Office: Bossone 7-626 Email: r.lec@coe.drexel.edu
Phone: 215.895.1334 Fax: 215.895.4983
Personal Web Page: Click Here to Visit Personal Web Page
Research Keywords:
Medical and biomedical sensors, surface acoustic wave (SAW) devices, new sensing mechanisms, sensor intelligence and micromachining.
Biosketch:
Dr. Ryszard M. Lec is a Professor at the School of Biomedical
Engineering, Science and Health Systems, and the Department of
Electrical and Computer Engineering at Drexel University. Dr. Lec
received his Ph.D. degree from Warsaw University, Poland in 1978. In
1980/81 he was Visiting Scientist at the Department of Electrical
Engineering at the University of Maine. He then joined the Institute of
Fundamental Technological Research of the Polish Academy of Sciences in
Warsaw, where he was Head of the Ultrasonic Spectroscopy Laboratory
from 1981 to 1986. From 1986 to 1990 he was Visiting Professor in the
ECE Department at the University of Maine. From 1991 to 1998 he was
Research Professor of Electrical and Computer Engineering at the
University of Maine, and Technical Leader of the Industrial Process
Control Sensor System Program in the College of Engineering at the
University of Maine.
Dr. Lec has been active in the areas of material science and
instrumentation for more than 20 years. Specifically, his research
efforts have been devoted to the study of viscoelastic, acousto-optic
(AO) and ultrasonic properties liquid and solid media with the focus on
biomedical applications. In addition, he has developed several
associated electronic instrumentation including ultrasonic
spectrometers, AO Q-switches and filters, and acoustic resonant
systems. Since the middle of the eighties his interest has been
directed on the application of acoustic, piezoelectric, ultrasonic and
optical technologies for the development of sensors. In particular, he
has designed and fabricated a variety of sensors for the medical,
biochemical, chemical, and environmental industries. These included
immunosensors, micro-viscometers, gas sensors and sensors for
monitoring the kinetics of chemical reactions, etc. Recently, his
research interests were extended to include the utilization of
artificial intelligence for the development of smart sensors. He has
been a leader and/or member of a variety of interdisciplinary research
teams.
Dr. Lec has been active in the area of engineering education for more
than 15 years. His interests have been in the development of
cross-disciplinary curricula, the integration of research into the
curricula, and novel concepts in design projects including hands-on
experience; teamwork and computer aided design tools. Currently, he is
introducing three new undergraduate and graduate courses in biosensors
into the Biomedical Engineering curriculum at Drexel University. This
effort includes the development of a Virtual Biosensor Laboratory
accessible via Internet. Dr. Lec has been adviser to several master and
doctoral students. He has also advised undergraduate students in the
NSF sponsored program "Research Experience for Undergraduates", and
high school students in the "Upward Bound Program". In 1993 he was
formally recognized as a successful innovator in science, mathematics
and engineering education by the National Science Foundation.
Education:
M.Sc., University of Warsaw, Electrical Engineering, 1969
Ph.D., University of Warsaw, Microelectronics, 1978
Active Research Projects:
BioNanoSensors, Interfacial Processes, Cell interaction with biofunctionalized surfaces, Blood pressure sensors, air flow sensors, blood coalgulation sensors, Interaction of micro-nano-particles with functionalized surfaces, Manipulation of particles,
Publications:
R.Lec, " Acoustic Wave Biosensors: Recent Advances and Applications", Proc. of the 2001 IEEE International Frequency Control Symposium, pp. 419-430 , June 6-8, 2001, Seattle, WA, (invited paper).
R. Lec and J. Sorial", The Study of Viscoelastic Properties of Collidal Systems with TSM Piezoelectric Sensors", Proc. of the 2001 IEEE International Frequency Control Symposium, pp. 838-845, June 6-8, 2001, Seattle, WA.
S.J. Kwoun, R.M. Lec, B. Han and F. Ko.K., “ A Novel Polymer Nanofiber Interface for Chemical Sensor Applications”, Proc. of the 2000 IEEE International Frequency Control Symposium, pp. 52-57, May 7-9, 2000, Kansas City, MS.
R.M. Lec, P.A. Lewin, M. Musavi, S.W. Bang, S. Goel, S.Kwoun and E. Radulescum “An Acoustic Emission Chemical Sensor for the Identification of Chemical Reactions,” Proc. of the 1999 IEEE International Frequency Control Symposium, pp. 715-723, May 28-31, 1999, Besancon, (France).
R.M. Lec and P.A. Lewin, “Acoustic Wave Biosensors”, Proc. of 20th Annual International Conference of the IEEEE Engineering in Medicine and Biology Society, Hong Kong, Oct.29-Nov.31, 1998, vol.6, pp.2779-2784, (Invited Paper).
R.M. Lec, “Acoustic Wave Sensors”, Archives of Acoustics, No. 2, pp. 179-194, (1996).
R. M. Lec, M. Musavi, H.Pendse and W. Ahmed, " Application of a Radial Basis Function Neural Network to Sensor Design" ,Smart Structures and Materials `93, SPIE, vol. 1918, pp. 441-448, (1993).
R. M. Lec, J. Vetelino, P. Clarke, and F. Josse, "Prototype Microwave Acoustic Fluid Sensor," Journal of Wave-Material Interaction, vol. 4, pp. 31-41 (1989 ).
Patents:
D. J. McAllister and R.M. Lec, “Homogeneous Bioassay Using Acoustic Emission Spectroscopy,” U.S. Patent #5,656,428; August 12, 1997.
J. Andle and R.M. Lec “A Monolithic Piezoelectric Sensor (MPS) for Sensing Chemical, Biochemical and Physical Measurands," U.S. Patent #6,033,852; March 7, 2000.
F. Ko, A. MacDiarmid, C. Norris, A. Shaker and R. Lec, Nanofibers for Electronic Applications,” U.S. Patent #US01/00327; August, 2001.
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