“Relevance of High Temperature Oxidative Stability Testing to Long Term
Polymer Durability”, L. Woo, Atul Khare, Craig Sandford, Michael T.K. Ling
and Samuel Y Ding, Proceedings
of the 12th International
Congress on Thermal Analysis and Calorimetry Vol II, Toft Sorenso,
Juul Moller, eds, 539-548, Adademiai Kiado, Budapest (2001).
“Further Studies on Metallocene ULDPE/PP Blends Impact –Morphology
Relationships”, Stanely Westphal, Michael T. K. Ling, Samuel Ding, and L.
Woo, 135-141, Metallocene
Catalysed Polymers, G. Benedikt, B. Goodall Eds, SPE, Plastics
Design Library, New York, 1998
“ Study on the Oxidative Induction Test Applied to Medical Polymers”, L.
Woo, S. Y. Ding, M. T. K. Ling and S. P. Westphal,Proceedings of the
11th International Congress on Thermal Analysis and Calorimetry, Vol. I, 131-138,
M. Keating Ed., John Wiley Ltd,
Invited Presentations and Reviewed Publications
“Multi-Phase
Polymers – Opportunities and Considerations for Medical Devices”,
Invited Lecture, Medical Device and Manufacturing West Conference,
“Kinetics of dihydro-dibenzazepine Derivatives Sublimation”, V.V. Krongauz,
L. Woo et al, Thermochimica ACTA, 457 p35-40,
(2007)
“Scientific Optimization for Medical Elastomer Performance”, Invited
lecture, International Medical Device Technology Conference ,
“Medical Device Failures and Prevention” Invited lecture, International
Medical Device Technology Conference,
“Application and Considerations of Chemiluminescence in Polymer Degradation
Studies”, L.Woo, Craig L. Sandford, Henk Blom, Journal of Applied Medical
Polymers Vol 6, No2, 58-63, (2002)
“Use of a CCD imager for simultaneous DSC-Chemiluminescence and multiple
sample polymer degradation studies” L.
Woo, Craig Sandford, Henk Blom and Y. Samuel Ding, Thermochimica ACTA
392-393 23-27 (2002)
“Evidence for a Master Curve Behavior for Polypropylene (PP) Degradation and
Durability”, Samuel Y Ding, Craig L. Sandford, Michael Ling, Atul Khare and
L. Woo, Journal of Applied Medical Polymers, Vol. 5, #2, p80-87, (2002)
“Surface Delamination of an Injection Molded Medical Device Using Flexible
PVC”, Tahua Yang, Sherwin Shang, L. Woo et.al, Journal of Applied Medical
Polymers, Vol.5, #2, p55-58 (2002)
“Thermal, mechanical, and rheological comparison of stereoblock flexible
polypropylenes”, Atul R. Khare, Samuel Y. Ding, Michael T.K. Ling, Chuan
Qin, and L. Woo, Thermochimica ACTA Vol.367-368
119-124 (2001).
“Polyolefin Durability Estimates by Oxidative Stability Testing”,L. Woo,
Craig L. Sandford, Samuel Y. Ding, ACS Polymer Preprints, 42(1) (2001).
“Application of the oxidative induction test to depolymerizing systems”, L.
Woo, Atul Khare, Henk P. Blom, Craig Sandford, Samuel Y. Ding, Thermochimica ACTA,
vol 367-368, 113-118,(2001).
“Prevention of medical devices failure and degradation during processing”,
Michael T. K. Ling, Craig Sandford, Adel Sadik, Henk Blom, Samuel Y. Ding
and Lecon Woo, Plastics Engineering, Vol.1, 50-55, (2001).
“Polymer durability estimates based on apparent activation energies for thermal oxidative degradation” Samuel Y. Ding, Atul Khare, M.T. K. Ling, Craig L. Sandford and L. Woo Thermochimica ACTA, 367-368,107-112 (2001).
“Medical Kink-Resistant Tubing”, S. Shang, E. Chim, T. Yang, L. Woo, Journal
of Applied Medical Polymers, 66-71, Vol.4/ No.2, (2000).
“Radiation Resistance of Multilayer films by Instrumented Impact Testing”,
R. Wojnarowski, M. T. K. Ling, A. Khare, and L. Woo, Journal of Applied
Medical Polymers, 56-60, Vol.4/ No.2, (2000).
“Failure Mechanism and Progression of Irradiated Polypropylene and other
Medical Polymers”, Michael T. K. Ling, Samuel Y. Ding, Atul Khare, Craig L.
Sandford, and L. Woo, Journal of Applied Medical Polymers, spring, Vol.4,
#1, p20-27, (2000).
“Durability of a Reference Material over Diverse Conditions”, Samuel Y.
Ding, Michael T. K. Ling, Atul R. Khare, and L. Woo, Thermochimica ACTA 358,
p147-153 (2000).
“Thermal and Dynamic Mechanical Analysis on Metallocene ULDPE/PP Blends to
Optimize Impact Properties”, Atul R. Khare, Stanley P. Westphal, Michael T.
K. Ling, Chuan Qin, and L. Woo, Thermochimica ACTA, 358,
p155-160, (2000).
“Flow, Pressure, Temperature Dependence of Oxidative Induction Time (OIT)
Measurements on a Heat Flow DSC”, Samuel Ding, Michael T.K. Ling, Atul R.
Khare, Craig Sandford, and L. Woo, Journal of Applied Medical Polymers,
Spring 2000, Vol.4, #1, 28-37 (2000).
“Thermal and Dynamic Mechanical Analysis on Metallocene ULDPE /PP Blends to
Optimize Impact Properties”, Atul R. Khare, Stanley P. Westphal, Michael
T.K. Ling, Chuan Qin and Lecon Woo, Thermochimica ACTA, 357,
p155-160 (2000).
“Radiation Sterilization Compatibility of Medical Packaging Materials”,
Sherwin Shang, Michael T. K. Ling, Stan Westphal, and L. Woo, Journal of
Applied Medical Polymers, p. 44-49, Vol.3#2 (1999).
“Polypropylene Degradation and Durability Estimates Based on the Master
Curve Concept”, L. Woo, Michael Ling, Atul Khare, and Y. Samuel Ding, Proc.
International Conference on Aging Studies and Lifetime Extension of
Materials,
“The Quest For High Temperature Flexible Polymers For
The Medical Industry”, L. Woo, Invited Lecture, Proc. Medical Device and
Technology Conference, p. 101-111,
“Manufacturing Process Enhancements for Polyolefin Based Medical Products”,
L. Woo, T. Yang, and Sherwin Shang, p.417-425, Proceedings Am. Inst. Chem.
Engr. National Meeting,
“ Effect of Ionizing Radiation on the Thermal Oxidative Stability of Medical
Polymers”, L. Woo, Michael T.K. Ling, Samuel Y. Ding, and
“Optimizing Performance of Metallocene ULDPE Modification for Medical
Applications”
L. Woo, Invited Lecture, Proceedings of Polypropylene’98 International
Conference, Session IX, 4-1.
“Short Chain Branching Distribution of Amorphous Ethylene Copolymers”, L.
Woo, S. P. Westphal, T.K. Ling, and A. R. Khare, Am. Chem. Soc. Polymer
Preprints, 39#1, p.203 (1998).
“Global Medical Material Opportunities and Challenges for The Next
Millennium”, Invited Lecture, Medical Device Technology Conference,
"Variations on the Oxidative Induction Testing Methodology for Medical
Polymers", L. Woo, Michael T. K. Ling,
“Study on the Oxidative Induction Test Applied to Medical Polymers”, L. Woo,
S. Y. Ding, M. T. K. Ling and S. P. Westphal, Journal of Thermal Analysis,
Vol. 49, 131-138 (1997)
“ The Corporate Perspective and Advanced Aging Techniques”, Invited Lecture,
Proceedings of MDM Conference, on Predicting Shelf Life From Accelerated
Aging Data, 108, 45,
(1997).
“
Further Studies on Oxidative Induction Test on Medical Polymers”, L. Woo,
Samuel Y. Ding, Michael T. K. Ling and
“ Relating Dynamic Mechanical Data to Flexible PVC Low Temperature
Performance”, L. Woo,
“ Study on the Oxidative Induction Test Applied to Medical Polymers”, L.
Woo, Samuel Y. Ding, Michael T. K. Ling, and
“Shelf-Life Prediction Methods and Applications”, Lecon Woo, J. Palomo,
Michael T. K. Ling, and C. Sanford, Medical Plastics and Biomaterial, Vol.3,
#2, p., (1996).
“ Metallocene Properties and Potential ”, L. Woo Medical Device Technology (
“
Explaining Ductility Loss in Steam-Sterilized Polycarbonate”, K. Z. Hong,
Chuan Qin, and Lecon Woo, Medical Plastics and Biomaterials, Vol.3, #3, p.
14, (1996).
“ Flexible Packaging For Healthcare Industry: What’s Ahead? “, L. Woo and
Sherwin Shang, Invited Lecture, FlexPac’96, Chicago, (1996).
“ Phase Morphology and Performance Origins of Metallocene ULDPE/ PP Blends”,
L. Woo and
“ Thermal and Morphological Comparisons of Blends of Metallocene and Ziegler-Natta Ultra Low Density Polyethylene (ULDPE) with Polypropylene (PP), L. Woo, Stanley P. Westphal, and Michael T. Ling, ACS Polymer Preprints, vol.37, #1, 273, (1996).
“ The Impact of the Metallocene Revolution on Medical Industry”, L. Woo,
Invited Lecture, International Medical Design and Materials Conference,
" Polyethylene Structural Heterogeneity by Thermal and Rheological
Techniques",
" Dynamic Mechanical Analysis (DMA) and Low Temperature Impact Properties of
Metallocene Polyethylenes", L. Woo, Michael T. K. Ling, and
" Prospect for Material Substitutions in the Medical Market", L. Woo,
Invited Lecture, Metcon'95, World Wide Metallocene Conference, Session II,
" Metallocene ULDPE and Modified PP vs. PVC for Low Temperature Medical
Applications", L. Woo, invited lecture, Proceedings of International
Congress on Metallocene Polymers, Brussels, Belgium, 191, 1995.
" Dynamic Mechanical Studies on Secondary Relaxations of Ethylene
Copolymers", L. Woo, Michael T. K. Ling and Stanley P. Westphal,
Thermochimica ACTA, 243/2, p.147-154,
(Sept 15, 1994).
" Properties of Ultra Low Density Polyethylenes", L. Woo, T. K. Ling, and
" Mechanical Spectroscopy and Impact Performance of Metallocene ULDPEs", L.
Woo, Stanley Westphal, and Michael T. K. Ling, Am. Chem. Soc., PSME
Preprints 71, 611, (1994).
" Structure and Performance of the New Generation of Polyethylenes", L. Woo
Soc. Mechanical Engineers,
" Low Temperature Impact Property of Metallocene ULDPE", L. Woo, MetCon'94,
#5, (1994).
" Structure and Properties of Ultra Low Density Polyethylenes", L. Woo,
" Thermoplastic Elastomer Behavior of Ultra Low Density Polyethylenes for
Medical Applications", L. Woo, Invited Lecture, SPO'93 Intl. Conference, p.
254, (1993).
" Secondary Relaxations of Polyethylene Copolymers", L. Woo, Invited
Lecture,
"Global Medical Materials for the 90's", L. Woo, Invited Lecture, PolyMed
93, p. 3, (1993).
" Sub-ambient Relaxations of Polyethylene Copolymers", L. Woo, Michael Ling,
and
"ULDPE for the Medical Industry: a Structure-Property Comparison", L. Woo,
T.K. Ling, SP Westphal, Proceedings of Polyolefins VIII Intl. Conference,
Houston, TX, p. 242, (1993).
"Failure Prevention for Injection Moulded Medical Devices", L. woo, M.T. K.
Ling, S. P. Westphal, Engineering Plastics, Vol. 6, p. 175, (1993).
" Failure Free Injection Molding of Medical Devices", L. Woo,
" Model Simulation of Radio Frequency Heatseal Performance of Flexible PVC
and Other Materials", Michael T. K. Ling, Stanley P. Westphal, and Lecon
Woo, J. of Vinyl Technology, Vol.14-4, p.1, (1992).
" Cryogenic Impact Properties of Medical Packaging Films"; L. Woo and
Michael T. K. Ling, Journal of Plastic Films and Sheetings, Vol. 8-1, p.
11, (1992).
" Application of the Oxidative Induction Test to Medical PVC and Other
Polymers"; L. Woo, Michael T. K. Ling, and E. K. Chan, Journal of Vinyl
Technology, vol. 13, No.4, p. 199 (1991).
" Considerations for Injection Molding Medical Plastics "; Invited Panelist,
Medical Design and Manufacturing Conference,
" Influence of Physical Aging on Medical Plastics Properties"; L. Woo and
Wilson W. Cheung, J. of Vinyl Technology, Vol. 11, no. 3, p. 121, (1989).
" Design Considerations in Polyolefin Medical Packaging "; Invited Speaker,
Proceedings of SP'89 Conference on Polyolefins, Zurich, Switzerland, p. 376,
(1989).
" Degradation Mechanisms During and Post Gamma Irradiation"; Invited
Lecture, Medical Design and Manufacturing West Conference,
" Shelf-life Prediction of Radiation Sterilized Polymeric Materials"; L.
Woo, C. Sandford, Int. Journal of Radiation Physics and Chemistry, vol. 31,
p. 671, (1988).
" Failure Analysis of Rigid Vinyl"; L. Woo, Michael T.K. Ling, and Wilson Y.
Cheung, Journal of Vinyl Technology, Vol.10-4, p.210 (1989).
"Controlling Factors for Shelf-life of Radiation Sterilized Medical
Devices"; L. Woo and Craig Sandford, Invited Speaker, Proceedings of Medical
Plastics '89 International Conference, Copenhagen, Denmark, p. 26, ( 1987).
" Polyolefin Structure Properties in Biomedical Applications"; Invited
Seminar Lecture, Material Science Department, Northwestern Univ. April 29,
1987.
"Baxter Product Development Based on Material Knowledge"; Invited Keynote
Speaker, Baxter Technical Symposium, Oct. 14, 1986.
"A New Dynamic Mechanical Analysis (DMA) Instrument for Polymer Analysis";
R.
"Polymer Characterization by Dynamic Mechanical Analysis", Roger Blaine and
L. Woo, Soc. of Plas. Engineers ANTEC, p. 503, (1977).
"Stress Relaxation and Fiber Tension Measurements in Thermal Analysis", L.
Woo, P.S. Gill, and R. Hassel, North American Thermal Analysis Soc.
Proceedings, (1975).
"Routine Analysis of Thermosets by Dynamic Mechanical Analysis", L. Woo,
R.L. Hassel, Proceedings
"New Dynamic Mechanical Analysis System for Polymer Properties
Characterization", R. Blaine, L. Woo, FACSS, (1976).
"Dynamic Mechanical Analysis of Polymers", P.S. Gill, L. Woo, Proceed. Pitt.
Conf. p. 56, (1976).
" Recent Advances in Thermomechanical Analysis of Polymers", P.S. Gill, R.
L. Hassel, L. Woo, Proceedings Pitt. Conf. p. 62, (1975).
" Precision Thermomechanical Analysis as Applied to Polymer and other
Systems", L. Woo, Proceedings
"A Digital Microwave Frequency Lock System", L. Woo, D.H. Levy, Rev. Sci.
Instr. vol. 44,-6, p.732, (1973).
Over 75 papers
Biblio-Abbr1 9-2007