Education

  • Ph.D., Materials Science, 1987
    • University of Wisconsin-Madison
    • Advisor, Prof. Max G. Lagally
    • Thesis: Ordering Kinetics for a Chemisorption System: O/W(100)
  • M.Sc., Materials Science and M.Sc., Physics, 1980
    • University of Wisconsin-Madison
  • B.A., Physics/Mathematics, 1978
    • Macalester College, St. Paul, MN
    • Cum Laude


 

Professional Experience

  • Professor, Southern Oregon University, Department of Physics, 1994-present
  • Sabbatical and Summer Research Associate, Naval Research Laboratory, Washington DC, 1998-present


 

 Books and Book Chapters

  • B.R. Ringeisen, P.K. Wu, B.J. Spargo, Eds. Cell and Organ Printing, Springer Publishing, September, 2010, ISBN 978-9048191444.
  • B.R. Ringeisen, C.M. Othon, Xingjia Wu, D.B. Krizman, M.M. Darfler, J.J. Anders, P.K. Wu, "Biological Laser Printing (BioLP) for High Resolution Cell Deposition" in Cell and Organ Printing, Springer, 2010
  • Bradley R. Ringeisen, Lisa A. Fitzgerald, Stephen E. Lizewski, Justin C. Biffinger, Peter K. Wu, " Bacterial Cell Printing" in Cell and Organ Printing, Springer, 2010.
  • Peter K. Wu and Bradley R. Ringeisen, “Hydrogels for Cell Printing”, in Hydrogels: Properties, Preparation and Application, ed. David B. Stein, NOVA (2009) 607-618.
       
  • B.R. Ringeisen, C.M. Othon, J.A. Barron, P.K. Wu, B.J. Spargo. “The evolution of cell printing”, in Fundamentals of Tissue Engineering and Regenerative Medicine, eds: Urlich Meyer, Jörg Handschel, Peter Wiesmann, Thomas Meyer. Springer, Chapter 43, pp. 613, 2009.
       
  • Bradley R., Ringeisen, Jason A. Barron, Daniel Young, Christina M. Othon, Doug Ladoucuer, Peter K. Wu, and Barry J. Spargo, "Laser Printing Cells", in Virtual Prototyping and Bio Manufacturing in Medical Applications, eds. B. Bidanda and P.J. Bártolo, Springer, Chapter 10, pp. 207-228, published December 17th, 2007.
  • R. Andrew McGill, Bradley Ringeisen, Peter K. Wu, "The Role of Direct Writing for Chemical and Biological Materials:  Commercial & Military Sensing Applications", in Direct Write Technologies for Rapid Prototyping Applications- Sensors, Electronics, and Integrated Power Sources, eds., A. Pique and D.B. Chrisey, Academic Press, New York, 2002. 
  • Peter K. Wu and T.-M. Lu, "Chemical Structure, Determination, Modeling and Adhesion Enhancement of Metal/Polymer Interfaces", in Metallized Plastics 7:  Fundamental and Applied Aspects, ed. K.L. Mittal, VSP, Utrecht, 2001.
  • Peter K. Wu, "Low-Energy-Electron Diffraction", in Surface Science in Heterogeneous Catalysis, China Chemical Press, Principal Author C.F. Ng, (1991) in Chinese.


 Publications

- Russell K Pirlo, Lauren Bischel; Peter N Coneski; Jeffrey G Lundin; Peter K Wu; Carl B Giller; James H Wynne; Bradley R Ringeisen, "Electrospun gelatin biopapers as substrate for in vitro bilayer models of blood-brain barrier tissue.", submitted to Acta Biomaterialia, June 2015.
- Bradley R. Ringeisen, Karina Rincon, Lisa A. Fitzgerald, Preston A. Fulmer, and Peter K. Wu, "Printing Soil: A Single-Step, High-throughput Method to Isolate Micro-organisms and Near-neighbour Microbial Consortia from a Complex Environmental Sample", Methods in Ecology and Evolution, 6 (2), (Feb. 2015), p. 209-217.

- Bradley R. Ringeisen, Russell K. Pirlo, Peter K. Wu, Thomas Boland, Wei Sun, Qudus Hamid, Yong Huang, and Douglas B. Chrisey, "Cell and Organ Printing turns 15: Diverse Research to Commercial Transitions", MRS bulletin, 38 (10), (Oct 2013), p. 834. Invited 

- Ringeisen BR,  Henderson E, Wu P K, Pietron J, Ray R, Little B, Biffinger J C, and Jones-Meehan J M, "High Power Density from a Miniature Microbial Fuel Cell Using Shewanella oneidensis DSP10", Environmental Science and Technology, 47 (4), (Feb 19, 2013),  p. 2143.

- Guinevere M. Strack, Heather R. Luckarift, Susan R. Sizemore, Robert K. Nichols, Karen E. Farrington, Peter Wu, Plamen Atanassov, Justin Biffinger, and Glenn R. Johnson, "Power generation from a hybrid biological fuel cell in seawater", Bioresource Technology, 1:128C, (Jan 2013), 222-228.

- Biffinger J C, Fitzgerald L A, Howard E C, Petersen E R, Fulmer P A, Wu P K, and Ringeisen B R, "Controlling autonomous underwater floating platforms using bacterial fermentation", Applied Microbiology and Biotechnology, 97(1), (Jan 2013), 135-142.

- Peter K. Wu, Justin C. Biffinger, Lisa A. Fitzgerald, and Bradley R. Ringeisen, "A Low Power DC/DC Booster Circuit Designed for Microbial Fuel Cells", Process Biochemistry 47, (Nov. 2012), 1620-1626.

- Pirlo R K, Wu P, Liu J, and Ringeisen B, "PLGA/hydrogel biopapers as a stackable substrate for printing HUVEC networks via BioLP (TM)", Biotechnology and Bioengineering, 109 (1) , (Jan 2012), 262-273.

- Justin C. Biffinger, Bradley R. Ringeisen, and Peter K. Wu, "Enlisting Bacteria to Power Autonomous Water Column Sensors - Biogenic Production of Gases Utilized in Prototype for a Truly Autonomous Zero Power Ballast Control System", Sea Technology, 52 (10), (October 2011) 29-32.  Invited

- Peter K. Wu, Lisa A. Fitzgerald, Justin C. Biffinger, Barry J. Spargo, Brian H. Houston, Joseph Bucaro, Bradley R. Ringeisen, "Zero-Power Autonomous Buoyancy System Controlled by Microbial Gas Production", Rev. Sci. Inst., 82 (5), 055108, May 2011.

- Fitzgerald L A, Wu P K, Gurnon J R, Biffinger J C, Ringeisen B R, and Van Etten J L, "Isolation of the phycodnavirus PBCV-1 by biological laser printing", J.  Virological Methods, 167 (2), (Aug 2010), 223-225.

-Ringeisen B R, Lizewski S E, Fitzgerald L A, Biffinger J C, Knight C L, Crookes-Goodson W J, and Wu P K, " Single Cell Isolation of Bacteria from Microbial Fuel Cells and Potomac River Sediment", Electroanalysis, 22 (7-8), (Apr 2010), 875-882.

- Peter K. Wu and Bradley Ringeisen, "Development of Human Umbilical Vein Endothelial Cell (HUVEC) and Human Umbilical Vein Smooth Muscle Cell (HUVSMC) Branch/Stem Structures on Hydrogel Layers via Biological Laser Printing (BioLP)" Biofabrication, 2 (1), (2010) 1.
- Bouhenni R A, Vora G J, Biffinger J C, Shirodkar S, Brockman K, Ray R, Wu P, Johnson B J, Biddle E M, Marshall M J, Fitzgerald L A, Little B J, Fredrickson J K, Beliaev A S, Ringeisen B R, and Saffarini D A, "The Role of Shewanella oneidensis MR-1 Outer Surface Structures in Extracellular Electron Transfer", Electroanalysis, 22 (7-8), (APR 2010), 856-864.
R. J. Christie, P. K. Wu, P. Photinos, and S. C. Abrahams, "Phase transitions and ferroelectricity in NaSb3F10”, J of Appl. Crystallography, 42, 48-52, Feb 2009.

- Collins G E, Lu Q, Pereira N, Wu, P, " Long pathlength, three-dimensional absorbance microchip", TALANTA, 72(1), (Apr 15 2007), 301-304.


- Qin Lu, Peter Wu, and Greg E. Collins, "Contactless Conductivity Detection of Sodium Monofluoroacetate in Fruit Juices on a Capillary Electrophoresis Microchip", Electrophoresis, 28 (19), (Oct 2007), 3485-3491.

- Ringeisen, B. R.; Henderson, E.; Wu, P. K.; Pietron, J.; Ray, R.; Little, B.; Biffinger, J. C.; Jones-Meehan, J. M. , "High Power Density from a Miniature Microbial Fuel Cell Using Shewanella Oneidensis DSP10", Environ. Sci. Technol, 40 (8), (2006) 2629-2634.  

- T. J. R. Weakley, E. R. Ylvisaker, R. J. Yager, J. E. Stephens, R. D.Wiegel, M. Mengis, M. R. Bauer, P.Wu, P. Photinos, and S. C. Abrahams, "Phase Transitions in K2Cr2O7 and Structural Redeterminations of Phase II", Acta Crystallographica Section B, 60, Part 6, (2004) 705-715.

- J.A. Barron, P. Wu, H.D. Ladouceur, and B.R. Ringeisen, "Biological Laser Printing: A Novel Technique for Creating Heterogeneous 3-dimensional Cell Patterns", Biomedical Microdevices, 6:2 (2004) 139-147.

- G.E. Collins, P.K. Wu, Qin Lu, J.D. Ramsey, and R.H. Bromund, "Compact, High Voltage Power Supply for the Lab-on-a-Chip", Rev. Sci. Inst. (2004).- P.K. Wu, B.R. Ringeisen, D.B. Krizman, C.G. Frondoza, M. Brooks, D.M. Bubb, R.C.Y. Auyeung, A. Pique, B. Spargo, R.A. McGill, and D.B. Chrisey,  “Laser Manipulation of Biomaterials: Matrix-Assisted Pulsed-Laser Evaporation (MAPLE) and MAPLE - Direct Write (MDW)”, accepted by Rev. Sci. Inst., Jan. 2003.

- D.B. Chrisey, R.A. McGill, J.S. Horwitz, A. Pique, and B.R. Ringeisen, D.M. Bubb, and P.K Wu, “Laser Deposition of Polymer and Biomaterial Films”, Chemical Review, 103, (2003) 553-576. Invited

- B.R. Ringeisen, P.K. Wu, D.B. Krizman, H. Kim, A. Piqué, R.Y.C. Auyeung, H.D. Young, D.B. Chrisey. Accepted to Biotech Prog, 2002.

-  B.R. Ringeisen, D.B. Chrisey, A. Piqué, D. Krizman, R.C.Y. Auyeung, P. Wu, B. Spargo. "Direct Write Technology as a Tool to Form Patterns of Living Cells and Active Biomolecules". May 2001, American Biotechnology Laboratory.

-  B.R. Ringeisen, H. Kim, H. D. Young, B.J. Spargo, R.C.Y. Auyeung, A. Pique, D.B. Chrisey, P.K. Wu. Proceedings of the MRS Fall Meeting, Boston, MA, November, 2001.

- D. M. Bubb, B. Toftmann, R. F. Haglund, Jr., J. S. Horwitz, M. R. Papantonakis, R. A. McGill, P. W. Wu, and D. B. Chrisey, “Resonant Infrared Pulsed Laser Deposition of Thin Biodegradable Polymer Films”, Applied Physics A, 74, (2002) 123-125.

- A. Piqué, D.W. Weir, P.K. Wu, B. Pratap, C.B. Arnold, B.R. Ringeisen, R.A. McGill, R.C.Y. Auyeung, R.A. Kant, and D.B. Chrisey, “Direct-Write of Sensor Devices by a Laser Forward Transfer Technique”, Proceedings of the SPIE’s LASER’2002, San Jose, CA. Invited

- A. Piqué, P. Wu, B. R. Ringeisen, D. M. Bubb, J. S. Melinger, R. A. McGill and D. B. Chrisey, “Processing of Functional Polymers and Organic Thin Films by the Matrix Assisted Pulsed Laser Evaporation (MAPLE) Technique”, accepted for publication, Applied Surface Science.

- D. M. Bubb, B. R. Ringeisen, J. H. Callahan, M. Galicia, A. Vertes, J. S. Horwitz, R. A. McGill, E. J. Houser, P.K. Wu, A. Piqué and D. B. Chrisey, “Vapor Depostion of Intact Polyethylene Glycol Thin Films”, Applied Physics A 73, (2001) 121-3.

- D. M. Bubb, P.K. Wu, J. S. Horwitz, J. H. Callahan, M. Galicia, A. Vertes, R. A. McGill, E. J. Houser and D. B. Chrisey, "The Effect of the Matrix on Film Properties in Matrix-Assisted Pulsed Laser Evaporation", J. Appl. Phys., Sept. 2001.

- P.K. Wu, B.R. Ringeisen, J. Callahan, M. Brooks, D.M. Bubb, H.D. Wu, A. Piqué, B. Spargo, R.A. McGill, and D.B. Chrisey, "The Deposition, Structure, Pattern Deposition, and Activity of Biomaterial Thin-Films by Matrix-Assisted Pulsed-Laser Evaporation (MAPLE) and MAPLE Direct Write", Thin Solid Films, 398-399 (2001) 607-614.  Invited

- D. M. Bubb, R. A. McGill, J. S. Horwitz, J. M. Fitz-Gerald, E. J. Houser, P. K. Wu, B. R. Ringeisen, A. Piqué, R. Stroud and D. B. Chrisey, “Laser-Based Processing of Polymer Nanocomposites for Chemical Sensing Applications”, J. of App. Phys. 89 (2001) 5739-5746.

- B.R. Ringeisen, D.B. Chrisey, A. Piqué, D. Krizman, M. Brooks, R.C.Y. Auyeung, P. Wu, B. Spargo, "Direct Write Technology as a Tool to Form Patterns of Living Cells and Active Biomolecules", American Biotechnology Laboratory, May 2001. Invited

- P.K. Wu, B.R. Ringeisen, D.M. Bubb, E.J. Houser, A. Piqué, R.A. McGill, and D.B. Chrisey, "A Time-of-Flight Study of the Ionic and Neutral Particles Produced by Pulsed Laser Ablation of Frozen Glycerol", J. of Appl. Phys., Oct. 2001.

- B.M. Bubb, B.R. Ringeisen, J.H. Callahan, M. Galicia, A.  Vertes, J.S. Horwitz, R. A. McGill, E.J. Houser, P.K. Wu, A. Pique and D.B. Chrisey, "Vapor Deposition of Intact Polyethylene Glycol Thin Films", Applied Physics A, 2001.

- B.R. Ringeisen, J. Callahan, P.K. Wu, A. Pique, B. Spargo, R.A. McGill, M. Bucaro, H. Kim, D.M. Bubb, and D.B. Chrisey, "Novel Laser-Based Deposition of Active Protein Thin Films", Langmuir, 17 (10), 2001.

- P. K. Wu, J. Fitz-Gerald, A. Pique, D.B. Chrisey, and R.A. McGill, “Deposition of Nanotubes and Nanotube Composites using Matrix-Assisted Pulsed Laser Deposition.,” Mat. Res. Soc. Symp. Proc., 617 (2000) j2.3.

- P.K. Wu and T.-M. Lu, “Chemical Structure Determination, Modeling, and Adhesion Enhancement of Metal-Polymer Interfaces”, in Metallized Plastices 7: Fundamental and Applied Aspects, ed. K.L. Mittal, VSP, Utrecht, (2001). Invited

- D.B. Chrisey, A.Pique, R.C.Y. Auyeung, R.A. McGill,  R. Chung, S. Lakeou, P.K. Wu, J.Fitz-Gerald, H.D. Wu, and M. Duignan, “A New Approach to Laser Direct Writing Active and Passive Mesoscopic Circuit Elements”, Surface Engineering : Science and Technology I, Proceeding of Symposium, TMS Annual Meeting, Minerals, Metals, and Materials Society, Warrendale, PA, p. 143-54, 1999. Invited

- A.Pique, D.B. Chrisey, R.C.Y. Auyeung, J.Fitz-Gerald, H.D. Wu, R.A. McGill, S. Lakeou, P.K. Wu, and M. Duignan, “A Novel Laser Transfer Process for Direct Writing of Electronic and Sensor Materials”,
Proceeding COLA’99 conference, July 19-23, Goettingen, Germany, 1999. Invited

- A.Pique, D.B. Chrisey, R.C.Y. Auyeung, S. Lakeou, R. Chung, , R.A. McGill, P.K. Wu, M. Duignan,  J.Fitz-Gerald, and H.D. Wu, “Laser Direct Writing of Circuit Elements and Sensors”, Proceedings of the SPIE, The International Society for Optical Engineering, 3618, 330-9, 1999. Invited

- R.L. MceVoy, S. Krause, and P.K. Wu, "Surface Characterizatio of Ethylene-Vinyl Acetate (EVA) and Ethylene-Acrylic Acid (EAA) Copolymers using XPS and AFM", Polymer, 39 (21), 5223-5239, 1998.

- P.K. Wu and T.-M. Lu, "Metal/Polymer Enhancement by Reactive Ion-Assisted Interface Bonding and Mixing", Appl. Phy. Lett., 71 (18), 2710, November, 1997.

-P.K. Wu, G.-R. Yang, L. You, D. Mathur, A. Cocoziello, C.-I. Lang, J.A. Moore, T.-M. Lu, and H. Bakru, "Deposition of High Purity Parylene-F Using Low-Pressure Low-Temperature Chemical-Vapor-Deposition", J. of Electr. Mat., 26 (8), 963, 1997.

-P.K. Wu, S. Dabral, G.-R. Yang, B. Gittleman, C. Li, J.F. McDonald, and T.-M. Lu, "Metal/Polymer Interface Adhesion by Partially Ionized Beam Deposition.", J. of Appl. Phys., 80 (10), 5759, 1996.

-P.K. Wu, "Defects in Sputter Deposited MgO Films as Capping Layer for Depositing High-Temperature Superconducting Films on GaAs.", Air Force Summer Research Program Reports, Air Force Office of Scientific Research, Research and Development Laboratories, 1995.

-P.K. Wu, "XPS study of Buried Metal/Polymer and Polymer/Metal Interface", in Low-Dielectric constant Materials - synthesis and applications in Microelectronics, eds. T.-M. Lu, S.P. Murarka, T.S. Kuan, and C.H. Ting, Materials Research Society Symposium Proceedings, Vol. 381., PA, 1995.

-P.K. Wu, G.-R. Yang, X.-F. Ma, A. Cococziela, and T.-M. Lu, "Structural and Electro-Optical Investigation of a Chromophore-Polymer Composite Thin Film by Vapor Deposition.", J. of Appl. Phys., 77 (6), 2258, 1995.

-P.K. Wu, G.-R. Yang, J.F. McDonald, and T.-M. Lu, "Surface Reaction and Stability of Parylene N and F Thin Films at Elevated Temperature.", J. of Electronic Materials, 24 (1), 53, 1995.

-P.K. Wu, G.-R. Yang, X.F. Ma, and T.-M. Lu, "Interaction of Amorphous Fluoropolymer with Metal", Appl. Phys. Lett., 65 (4), 508, July 1994.

-G.-R. Yang, X. F. Ma, W. Chen, L. You, P.K. Wu, J.F. McDonald, and T.-M. Lu, "Vacuum Deposition of Nonlinear Chromophore-polymer Composite Thin Films", App. Phys. Lett., 64 (5), 533, 1994.

-P.K. Wu, L.E. Borst, D.J. Duquette, and J.B. Hudson, "Interfacial Reaction between a Sputter Deposited MoSi2 Film and its Oxidation Product on Al2O3 at 1300 C in air." in Mechanism of Thin Film Evolution, eds. S. M. Yalisove, C.V. Thompson, and D.J. Eaglesham, Mat. Res. Soc. Proc., 1994.

-M. Cook, P.K. Wu, W. Hillig, and J.B. Hudson, "Deposition and Properties of AlN films Prepared by LPCVD with a Metalorganic Precursor.", in Metal-Organic Chemical Vapor Deposition of Electronic Ceramics, eds. S.B. Desu, B.W. Wessels, D.B. Beach, and S. Gokoglu, Mat. Res. Soc. Proc., 1994.

-L. You, G.-R. Yang, T.-M. Lu, C.-I. Lang, J.A. Moore, P. K. Wu, and J.F. McDonald, "Vapor Deposition of Parylene-F by Pyrolysis of Dibromotetrafluoro-p-xylene.", J. of Vacuum Science and Technology, 11 (6), 3047, November/December, 1993.

-P.K. Wu and J.B. Hudson, "Accurate Determination of Delay Time and Length-of-Flight for a Modulated Molecular Beam Time-of-Flight Apparatus.", J. of Vacuum Science and Technology, 11 (5), Sep./Oct. 1993.

-K.E. Johnson, P.K. Wu, M. Sanders, and T. Engel, "The Mesoscopic and Microscopic Structural Consequences from Decomposition and Desorption of Ultrathin Oxide Layers on Si(100) Studied by Scanning Tunneling Microscopy.", Surface Science, 290, 213-231, 1993.

-X.-M. Wu, P.K. Wu, T.-M. Lu, and E.J. Rymaszewski, "Reactive DC Sputtering Deposition of Low Temperature Tantalum Oxide Thin Films.", App. Phys. Lett. 62 (25) June, 1992.

-L. You, G.-R. Yang, C.-I. Lang, P.K. Wu, T.-M. Lu, J.A. Moore, and J.F. McDonald, "Vapor Deposition of Parylene Films From Precursors", in Chemical Perspectives of Microelectronic Materials III, eds. C.R. Abernathy, C.W. Bates Jr., D.A. Bohling, and W.S. Hobson, Mat. Res. Soc. Proc., 1992. B.G. Todd, J.B.

-Hudson, and P.K. Wu, "Decomposition of Tetraethoxysilane (TEOS) on an SiO2 Surface Using a Molecular Beam of TEOS", in Chemical Perspectives of Microelectronic Materials III, eds. C.R. Abernathy, C.W. Bates Jr., D.A. Bohling, and W.S. Hobson, Mat. Res. Soc. Proc., 1992.

-P.K. Wu, "Auger Electron Spectroscopy (AES) and Low-Energy-Electron Diffraction (LEED) for Surface Analysis.", Proceedings of the International Workshop on the Applications of Surface Analysis Techniques, eds., C.F. Ng, T.B. Tang, S.Y. Lai, K.W. Cheng, P.K. Lim, Z.Y. Wang, and P.K.Wu, The Commercial Press (H.K.) Ltd., Hong Kong (1990).

-P.K. Wu, M.C. Tringides, and M.G. Lagally, "Ordering Kinetics of a Chemisorbed Overlayer: O/W(110).", Phys. Rev. B, 39 11 (1989) 7595.

-M.C. Tringides, P.K. Wu, and M.G. Lagally, "Ordering Kinetics of a Chemisorbed Overlayer: W(110)p(2x1)-O.", Phys. Rev. Lett., 59 (1987) 315.

-M.C. Tringides, P.K. Wu, W. Moritz, and M.G. Lagally, Ber. Bunsenges. Phys. Chem., 90 (1986) 373.

-D. Saloner, P.K. Wu, and M.G. Lagally, "Two-Dimensional Overlayer Growth: Island Separation Distributions", J. of Vacuum Science and Technology, A3 (3) May/June (1985).

-P.K. Wu, J.H. Perepezko, J.T. McKinney, and M.G. Lagally, "Dynamics of Two-Dimensional Ordering of an Overlayer with Four-Fold Degenerate Ground State W(110)p(2x1)-O", Phys. Rev. Lett., 51, (1983) 1577.


Presentations

 - Computer Aided Design and Manufacturing of Soft, Three-Dimensional, Multi-Layer, Biological Constructs via Laser Printing onto Laser Machined Composite Biopapers (Focal), Russell K. Pirlo, Peter Wu, and Brad Ringeisen, (focal presentation) 29th International Conference on Digital Printing Technologies, Sept29-Oct 3, 2013.  Seattle Washington.

 - Keynote Lecture: Justin C. Biffinger, Glenn R. Johnson, Plamen B. Atanassov, Heather R. Luckarift, Guinevere Strack, Susan R. Sizemore, Robert Nichols, Karen E. Farrington, Carolin Lau, Peter K. Wu, Bradley R. Ringeisen, Emily R. Petersen, Lisa A. Fitzgerald "Signal transduction technology and biological fuel cells) Emerald raptor: Autonomy derived from microbiology" Biosensors, 22nd Anniversary World Congress on Biosensors, Cancun, Mexico, 15-18 May, 2012. Invited Keynote Lecture:

 - Heather R. Luckarift, Guinevere Strack, Susan R. Sizemore, Robert Nichols, Karen Farrington, Carolin Lau, Peter Wu, Plamen B. Atanassov, Justin Biffinger, Glenn R. Johnson, "Power generation of a hybrid microbial/enzymatic biological fuel cell operating in seawater "  220th meeting of the Electrochemistry Society, Boston, MA, Oct, 2011.

  - Biffinger J C,  Wu P K, Wu M, Fitzgerald L A, Petersen E R, and Ringeisen B R, ”Passive diffusion microbial fuel cells designed for low power littoral autonomous aquatic sensors", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY  Volume: 241   Meeting Abstract: 296-ENVR, Mar 27 2011

 - Justin C. Biffinger, Lisa A. Fitzgerald, Bradley R. Ringeisen, Emily R. Petersen , Peter K. Wu, "Pathways to Generate Usable Power from Microbial Fuel Cells Containing Shewanella oneidensis", International Symposium on Bioremediation and Sustainable Environmental Technologies, Reno, Nevada, June 27–30, 2011.

 - Justin C. Biffinger, Peter K. Wu,  Mahkah Wu, Lisa A. Fitzgerald, Emily R. Petersen, Bradley R. Ringeisen, " Passive diffusion microbial fuel cells designed for low power littoral autonomous aquatic sensors", ACS meeting, Anaheim, CA, March 27-31, 2011.

 Seminar: Biological Laser Printing (BioLP™) and Some Applications: Tissue Microdissection, Bacteria Sorting, and Engineering a Human Vascular Network, Oregon State University, School of Mechanical, Industrial, and Manufacturing Engineering Department, Feb 4, 2010.

  - Justin C. Biffinger, Peter K. Wu, Lisa A. Fitzgerald, Stephen E. Lizewski, Bradley Ringeisen, "Advancements toward a zero-power autonomous aquatic littoral sensor framework", 44th Power Source Conference, Las Vegas, NV, Jun 14-17, 2010.

-Justin Haynes, Michael Workman, and Peter K. Wu,  A Novel Thermalelectric High Vacuum Cryo-stage, AAAS Pacific Division Meeting, Ashland, OR, June 2010.

-Biffinger, JC, Fitzgerald, LA, Vora, GJ, Ray, R, Wu, P, Baldwin, JW , Little, BJ, Bouhenni, R, Shirodkar, S, Brockman, K , Saffarini, D, and Ringeisen, BR, "Comparing current generation from Shewanella oneidensis MR-1 and candidate nanowire deletion mutants in a microbial fuel cell", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 238, Meeting Abstract: 236-FUEL, Aug 16 2009.
 
 - Peter K Wu, Jinny Liu, and Bradley R. Ringwisen, “BioLP Printing and Development of HUVEC and HUSMC Branch/Stem Structure on Hydrogel”, International Conference on Bioprinting and Biofabrication, July 6-8, 2009, Bordeaux, France.

 - Peter. K. Wu, Justin C. Biffinger , Lisa A. Fitzgerald, Bradly R. Ringeisen, ”Separation and Identification of Bacteria Using Biological Laser-Printing (BioLP)”, Am. Soc. Microbiology, 109th General Meeting, May 22, 2009, Philadelphia, PA.

- P. K. Wu, P. Photinos, S.C. Abrahams, and M. P. Aguirre, M. Andrus, M. Bauer, C. R. Murata, Y. T. Tan, and W. V. Raveane, "Phase Transitions and Ferroelectricity In NaSb3F10", 10th Annual Meeting of the Northwest Section of the Am. Phys. Soc., Lewis and Clark College, 15-17 May 2008, Portland, OR.

- Peter K. Wu, Greg E. Collins, and Qin Lu, "A Contactless Capacitance Detection System for Microchip Capillary Electrophoresis", 10th Annual Meeting of the Northwest Section of the Am. Phys. Soc., Lewis and Clark College, 15-17 May 2008, Portland, OR.

 - J. E. Matthews, M. Andrus, P. Wu, P. Photinos, and S. C. Abrahams, "Prediction and Experimental Verification of Two New Ferroelectrics", AAAS 87th annual meeting, San Diego, CA, 2006.

 - P. K. Wu, T. J. R. Weakley,  E. R. Ylvisaker,  R. J. Yager, J. E. Stephens, R. D. Wiegel, M. Mengis, M. R. Bauer, P. Photinos, and S. C. Abrahams, "Phase transitions in K2Cr2O7 and structural redeterminations of phase II", 7th Annual Meeting of the Northwest Section of the Am. Phys. Soc., May 13-14, 2005.University of Victoria, Victoria, BC, Canada.

 - P.K. Wu, J. Barron, and B. Ringeisen, "Biological Laser Printing for Tissue Engineering and Biosensor Applications", 86th Annual Meeting of the AAAS Pacific Division, Southern Oregon University, 12 – 16 June 2005.

 - M. Andrus, J. Matthews, P. K. Wu, P. Photinos and S. C. Abrahams, "Thermal Dependence of K2Cr2O7 Structure through the Phase II-to-Phase I Transition", 86th Annual Meeting of the AAAS Pacific Division, Southern Oregon University, 12 – 16 June 2005

- M. Andrus, J. Matthews, P. K. Wu, P. Photinos and S. C. Abrahams, "Ferroelectric Behavior of YMnO3", 86th Annual Meeting of the AAAS Pacific Division, Southern Oregon University, June 12 – 16, 2005.

 - P. K. Wu, T. J. R. Weakley,  E. R. Ylvisaker, R. J. Yager, J. E. Stephens, R. D. Wiegel, M. Mengis, M. R. Bauer, P. Photinos, and S. C. Abrahams, "Phase transitions in K2Cr2O7 and structural redeterminations of phase II", 7th Annual Meeting of the Northwest Section, May 13-14, 2005. University of Victoria, Victoria, BC, Canada.

- P.K. Wu, J. Barron, J. Jones-Meehan, R. Rosen, B. Spargo, S. Belkin, and B. Ringeisen, "Using a Biological Laser Printer to Deposit Lyophilized E. Coli onto an Optical Biosensor Platform", Materials Research Society, Spring Meeting, San Francisco CA, April 12-16, 2004

 - J. Stephens, T.J.R. Weakley, E.R. Ylvisaker, R.J. Yager, R. D. Wiegel, M. Mengis, P.K. Wu, "K2Cr2O7 - Phase Transition at 533(5) K and Structure Change", Oregon Academy of Science, 62st Annual Meeting, Linfield College, McMinnville, OR. Feb. 22, 2004.

 - B. R. Ringeisen, W. Straube, P. K. Wu, J. A. Barron, B. J. Spargo, R. Cliff, "Using Biomotors for Controlled Release Actuation: Platelets as a Model System.", Biomotors DARPA PI Meeting in San Francisco, CA. Aug. 18 - 21, 2003

- Bradley R. Ringeisen, Jason A. Barron, David B. Krizman, Peter K. Wu†, Chris Chen, Barry J. Spargo, " Using a Biological Laser Printer to Build Multi-Layer Cell Constructs ", Tissue Engineering/Biocompatibility, Gordon Research Conference, Plymouth, NH. July 20 - 25, 2003.

- Brant Jones, Robert Yager, Erik Ylvisaker, S. C. Abrahams & P. K. Wu, "Ferroelectric Characteristics of XMnO3 Ceramics", Oregon Academy of Science, 61st Annual Meeting, Linfield College, McMinnville, OR. Feb. 22, 2003.

 - Robert Yager, Erik Ylvisaker, Brant Jones, Panos Photinos, Peter K. Wu and Sidney C. Abrahams, " Ferroelectric Properties of K2HCr2AsO10", Oregon Academy of Science, 61st Annual Meeting, Linfield College, McMinnville, OR. Feb. 22, 2003.

 - Erik Ylvisaker, Robert Yager, Brant Jones, P. K Wu and S. C. Abrahams, "Phase Transitions in K2HCr2AsO10 family", Oregon Academy of Science, 61st Annual Meeting, Linfield College, McMinnville, OR. Feb. 22, 2003.

- B.R. Ringeisen, J.A. Barron, D.B. Krizman, P.K. Wu, C. Chen, B.J. Spargo. “Using a Biological Laser Printer to Build Multi-Layer Cell Constructs”. Poster presentation, Gordon Research Conference on Biomaterials: Biocompatibility/Tissue Engienering, July 20-25th, 2003, Holderness, NH.

- A. Piqué, D.W. Weir, P.K. Wu, B. Pratap, C.B. Arnold, B.R. Ringeisen, R.A. McGill, R.C.Y. Auyeung, R.A. Kant, and D.B. Chrisey, “Direct-Write of Sensor Devices by a Laser Forward Transfer Technique”, SPIE’s LASE’2002, San Jose, CA, 2002.

- P.K. Wu, B.R. Ringeisen, J. Callahan, M. Brooks, D.M. Bubb, H.D. Wu, A. Piqué, B. Spargo, R.A. McGill, and D.B. Chrisey, "The Deposition, Structure, Pattern Deposition, and Activity of Biomaterial Thin-Films by Matrix-Assisted Pulsed-Laser Evaporation (MAPLE) and MAPLE Direct Write", International Conference on Metallurgical Coatings and Thin Films, San Diego, CA. April 30 - May 4, 2001.  Invited

- P.K. Wu, J. Fitz-Gerald, A. Piqué, D.B. Chrisey, and R.A. McGill, “Deposition of Nanotubes and Nanotube Composites Using Matrix-assisted Pulsed Laser Deposition”, Materials Research Society Spring Meeting, San Francisco, CA.

-  J.M. Fitz-Gerald, A. Piqué, R.C.Y. Auyeung, D.B. Chrisey, R.A. McGill, P. Wu1, R. Chung, S. Lakeou, M. Duignan, T. Kodas, “Deposition Characteristics and Fabrication of Mesoscopic Conformal Electronic Devices by the MAPLE Direct Write Approach”, Materials Research Society Spring Meeting, San Francisco, CA. Invited

-  A. Piqué, P.K. Wu*, J. Fitz-Gerald, D.B. Chrisey, R.A. McGill, V. Nguyen†, J. H. Callahan, B.J. Spargo and M.A. Bucaro, “Advances in the Growth of Organic Thin Films Using the Matrix Assisted Pulsed Laser Evaporation (MAPLE) Technique” Materials Research Society Spring Meeting, San Francisco, CA.  Invited

- Peter K. Wu and Toh-Ming Lu, “Chemical Structure Determination, Modeling, and Adhesion Enhancement of Metal/Polymer Interfaces”, Seventh International Conference on Metallized Plastics: Fundamental and Applied Aspects, MST conferences, Newark, NJ. Dec. 1999.  Invited

- A.Pique, D.B. Chrisey, R.C.Y. Auyeung, J.Fitz-Gerald, H.D. Wu, R.A. McGill, S. Lakeou, P.K. Wu, and M. Duignan, “A Novel Laser Transfer Process for Direct Writing of Electronic and Sensor Materials,” COLA’99, July 19-23, Goettingen, Germany, 1999. Invited

- D.B. Chrisey, A. Piqué, R.C.Y. Auyeung, R.A. McGill, R. Chung, S. Lakeou, P. Wu, and M. Duignan, “A New Approach to Laser Direct Writing Active and Passive Circuit Mesoscopic Circuit Elements”, TMS Annual Meeting, San Diego, CA, Feb 28 - March 4, 1999. Invited 

- J.M. Fitz-Gerald, A. Piqué;, R.C.Y. Auyeung, D.B. Chrisey, R.A. McGill,  P. Wu2, R. Chung, S. Lakeou, M. Duignan, “Laser Induced Forward Transfer of Powders”, Am. Phy. Soc. Meeting, Atlanta, GA, March 20-26, 1999.

- A.Piqué, D.B. Chrisey, R.C.Y. Auyeung, S. Lakeou, R. Chung, R.A. McGill, P.K. Wu  and W. Warren, “Laser Direct Writing of Active and Passive Circuit Elements”, Laser Applications in Microelectronic and Optoelectronic Manufacturing IV, San Jose, CA, January 1999. Invited

- N. Hall and P.K. Wu, “Generation, Extraction, and Identification of Fullerines,” Pacific University, April 18, 1998.

-P.K. Wu, Science Faculty Seminar, Southern Oregon State College, "Making a switch", Jan., 1996.

-Y.D. Li, A. Drehman, P. Wu, P. Yip, J. Horrigan, R. Andrews, D. Bliss, "Integration of High-Temperature superconductors: Processing, Characterization, and Applications", Fall Meeting of the Materials Research Society, 1995.

-P.K. Wu, M. Cook, N. Patibandla, W. Hillig, and J.B. Hudson, "Deposition and Properties of AlN films by Low Pressure Chemical Vapor Deposition with a Metalorganic Precursor.", Fall Meeting of the Mat. Res. Soc., Boston, MASS, 1993.

-P.K. Wu, L.E. Borst, D.J. Duquette, and J.B. Hudson, "Interfacial Reaction Between Sputter Deposited MoSi2 Film on Al2O3 at Temperatures Ranging from 1200 C to 1300 C.", Fall Meeting of the Mat. Res. Soc., Boston, MASS, 1993.

-P.K. Wu, M. Cook, W.B. Hillig, and J.B. Hudson, "Formation of AlN Coatings by Low Pressure Chemical Vapor Deposition from a Single Component Organometallic Precursor", 18th Annual Conf. on Composites and Advanced Ceramics, Cocoa Beach, Fl. 1994.

-R. McEvoy, S. Krause, and P.K. Wu, "Ethylene-co-Vinyl Acetate at Air Surfaces", American Physical Society Meeting, Seattle, WA. March 22-26, 1993.

-B.-X. Sun, P.K. Wu, and J.B. Hudson, "Interfacial Reactions at Titanium Alloy-Aluminum Oxide Interfaces.", Materials Research Society, Fall Meeting, Boston, 1992.

-L. You, G.-R. Yang, C.-I. Lang, P.K. Wu, T.-M. Lu, J.A. Moore, and J.F. McDonald, "Vapor Deposition of Parylene Films From Precursors", Materials Research Society, Fall Meeting, 1992.

-B.G. Todd, J.B. Hudson, and P.K. Wu, "Decomposition of Tetraethoxysilane (TEOS) on an SiO2 Surface Using a Molecular Beam of TEOS", Materials Research Society, Fall Meeting, 1992.

-B.-X. Sun, P.K. Wu, and J.B. Hudson, "Interfacial Reactions at Titanium Alloy-Aluminum Oxide Interfaces", American Vacuum Society, Chicago, November 1992.

-P.K. Wu, B.-X. Sun, and J.B. Hudson, "The Kinetics and Control of Interfacial Reaction of Titanium and Titanium-Aluminum alloy with Alumina.", The Physics and Chemistry of Metal/Oxide Interfaces Symposium, Rutgers University, New Jersey, September 1992.

-K. Johnson, Y.K. Sun, P. Wu, D. Bonser, M. Sander, T. Engel, "Thermal Decompositon of Utlrathin Oxide Layers on Si(100)", American Vacuum Society, 39th National Symposium, 1992.

-K. Johnson, P.K. Wu, M. Sander and T. Engel, "Structural Studies of the Decomposition and Desorption Mechanism of Ultra-Thin Oxide on Si(100)", American Vacuum Society, Pacific Northwest Chapter Symposium, Vancouver, Washington. September 1991.

-P.K. Wu, "Kinetics of Surface Ordering:O/W(110)", Colloquium, Physics Department, Hong Kong University, Hong Kong. (1990).

-M.C. Tringides, P.K. Wu, and M.G. Lagally, "Growth Kinetics in W(110)p(2x1)-O", Bulletin of the American Physical Society, 31 3 (1986) 373.

-L.H. Zhao, P.K. Wu, T.M. Lu, and M.G. Lagally, "Direct Determination of the Island Size Distribution of Parallelogram-Shaped Islands.",  Proceedings of the Second International Conference on Solid Film and Surfaces, June 1983.

-M.C. Tringides, P.K. Wu, and M.G. Lagally, "Scaling in the Ordering Kinetics of a Chemisorption System: O/W(110).", 33rd National symposium of the American Vacuum Society, Baltimore, 1986. 



Research Experience

  • Materials systems:
    - Biomaterials
            polymers: PEG, phospholipid polymer, dextran, PLA, PGA, PLGA
            proteins: antigens, enzyme, anitbody
            eucaryotic cells: osteoblast, Chinese hamster ovary, pluripotent mouse cell. 
    - Electronics materials
            Si, GaAs, Sapphire, low-dielectric constant polymers, and metal
            Teflon AF, Parylene, Cu, Al, etc.
    - High temperature composite
            MoSi2, AlN, Sapphire, SiC, NiAl
    - High temperature superconductors and buffering materials
            MgO, Y Ba1 Cu2 Ox
  • Materials processing:
    - Sputtering
    - e-beam and Thermal Evaporation
    - Chemical Vapor Deposition
    - Matrix Assited Pulsed Laser Evaporation
    - Pulsed Laser Deposition
  • Materials processing:
    - Sputtering
    - e-beam and Thermal Evaporation
    - Chemical Vapor Deposition
    - Matrix Assited Pulsed Laser Evaporation
    - Pulsed Laser Deposition
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