Polymer Science Expert Witness

Education

UNIVERSITY OF MASSACHUSETTS
Polymer Science and Engineering, Amherst, Ma.
M.S. Degree; Polymer Science and Engineering; August 2000
Ph.D.; Polymer Science and Engineering; September 2004

Columbia University
School of Engineering and Applied Science, New York, N.Y.
B.S. Degree; Mechanical Engineering; May 1994
M.S. Degree; Mechanical Engineering; August 1999

Employment

A Private University
Postdoctoral Researcher – April 2008 – Present

Investigate and control surface chemistry and topography to achieve biocompatible materials for medical applications.
Awarded NIH T32 postdoctoral grant

FREELANCE SCIENCE WRITER – January 2006 – March 2008
Published a chapter in a book in Cell Mechanics

TUFTS UNIVERSITY – Somerville, Ma.
Biomedical Engineering – September 2004 – December 2005
Postdoctoral Researcher – Advisor: Available Upon Request
Project title:  Intrinsic fluorescence spectroscopy of coating silk and collagen on silicon wafers to understand cell responses for bone tissue engineering
Characterized intrinsic fluorescence spectroscopy of silk and collagen using fluorescence spectrophotometer.
Developed optimal condition for a biomaterial, silk films using a spin coater.
Studied surface structures of collagen films using atomic force microscopy, light microscopy and ellipsometer.
Investigated bone marrow stem cells on silk films by dip coating for bone tissue engineering.
Experience in cell culture on silk films and silk scaffold, as well as cell microscopy (phase contrast and fluorescence microscopy).

UNIVERSITY OF MASSACHUSETTS – Amherst, Ma.
Polymer Science and Engineering – September 1999 – September 2004
Research Assistant – Advisor: Available Upon Request                          
Thesis title: Gradient Heterogeneous Surfaces
Designed and developed a biocompatible surface having nanometer to micrometer lateral length scale using block copolymers and homopolymers to study cell adhesion, cell migration and wettability. 
Characterization of polymer thin films using ellipsometer, atomic force microscopy, light microscopy, X-ray scattering to characterize coating properties.
Developed conditions to generate topographic surfaces for biomaterials using reactive ion etching and photolithography for 3D cell migration study.  Collaboration with Yu-Li Wang at University of Massachusetts Medical School.
Extensive experience in surface characterizations using XPS, ellipsometer, AFM, light microscopy, contact angle and SEM for coating adhesion technology.

PALL CORPORATION – East Hill, N.Y.
Research and Development – April 1997 – August 1999
R&D Engineer (Advance Fibrous Media Group)
Developed and optimized biocompatible biomaterials for blood filters.
Developed process conditions for melt-blown process using single extruder.
Designed the optimal die configuration to fiberize various polymers with melt-blown process. (PP, PBT, Fluoropolymer, PPS, Polyurethane, LCP and Polyketone)
Responsible for planning and executing new product development processes.
Support and troubleshoot manufacturing operations.
Responsible for lab testing, equipment testing and customer samples.
Review, evaluate, and implement all approved product, packaging, and process changes.

BIO-MEDICAL POLYMERS TECHNOLOGY CORP. – Norwood, N.J.
Consultant/ Engineer – April 1996 – April 1998
Responsible for quality control of the catheter production.
Implemented various aspects of the GMP process for micro-catheter extrusion.
Collaborated in designing the die for catheter extrusion.
Knowledge of FDA GMP and ISO-9000.

GM, Delphi Energy & Engine Management Systems – Rochester, N.Y
Air Control Product Group – July 1994 – April 1996       
Test Engineer     
Expedited all aspects of the environmental testing for throttle body, including Linkage Cycle, Corrosion, Dust, Vibration, Temperature Shock, and Temperature Cycling.
Diagnosed any returned throttle bodies from the field.
Documented product test procedures for QS9000/ISO9000.

AIR PRODUCTS AND CHEMICALS, INC. – Allentown, Pa.
Mechanical Equipment Design Group – Summer 1993
Intern
Customized database to facilitate entering, querying and printing data for various equipments.
Performed calculations to ensure product retention for oxygen and nitrogen tanks.
Performed structural calculation for pressurized vessel.

FRANKLIN GENERAL HOSPITAL – Valley Stream, N.Y.
Intern – Summer 1992
Observed hospital procedures: MRI, Electrocardiograph, Sonogram, and CAT Scan in ICU, Cardiac Care Unit, ER, OR and Psychiatry Department.
Observed operating procedures such as gastroscopy, colonoscopy, laparoscopic cholecystectomy, arthroscopy, and cataract surgery.

DOUBLE DISCOVERY, COLUMBIA UNIVERSITY – Academic Year 1992 – 1993
Tutored high school students in the sciences and mathematics in a classroom atmosphere.

Publicatons

Available Upon Request

Awards

Available Upon Request

Book Chapter

Available Upon Request

Language

Fluency in English and Mandarin.

Citizenship: I am a citizen of U.S.A.

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