Invited Talks

1. “3D X-ray Diffraction Microscopy: A Versatile Tool for Nondestructive and Quantitative Characterization of Materials at the Nanometer Resolution”, DARPA/DSRC Workshop on Nondestructive Femto-second Laser Based Evaluation of Materials and Structures, Arlington, VA, Nov. 7-8, 2006.
2. “Lensless Imaging and Equally Sloped Tomography for Nanoscience and Biology”, Workshop on Hard and Soft X-ray Tomography, Berkeley, California, Oct. 11, 2006.
3. "Coherent Imaging of Biological Structures" Workshop on Biological Imaging at PETRA III, Hamburg, Germany, Sep. 11-12, 2006.
4. “3D Coherent Diffraction Microscopy and Its Applications in Structural Biology”, Large Macromolecular Assemblies Session, American Crystallographic Association Meeting, Honolulu, Hawaii, July 22-27, 2006.
5. “Oversampling, Lensless Imaging and the Application of X-ray Free Electron Lasers”, Workshop on X-ray Free Electron Lasers: Challenges for Theory, Institute for Theoretical Atomic, Molecular and Optical Physics, Harvard-Smithsonian Center, Cambridge, MA, June 19-21, 2006.
6. “Quantitative 3D Imaging of Nanomaterials by Using Coherent X-rays”, Workshop on Almost Impossible Materials Science: Pushing the Frontier with ERL X-ray Beams, Cornell University, June 16-17, 2006
7. “Lensless Imaging and Equally Sloped Tomography for Nanoscience and Biology”, International Symposium on the Methodological Study of Phase Contrast Hard X-Ray Imaging of Nanobiological and Medical Samples with Synchrotron Radiation, Beijing, June 5-9, 2006.
8. "Coherent Scattering, Oversampling and the Application of X-ray Free Electron Lasers", Joint ETH and University of Zurich Colloquium, Switzerland, May 10, 2006.
9. “Quantitative 3D Imaging of Nanostructured Materials by Using Coherent X-rays”, Workshop on Microscopy and Imaging in Materials Science, Argonne National Laboratory, Chicago, May 2, 2006.
10. "Coherent Imaging of Biological Samples", Workshop on Coherent X-ray Imaging in Biology, Melbourne, Australia, April 20-21, 2006.
11. “3D Coherent Diffraction Microscopy and Its Applications in Nanoscience and Structural Biology”, Symposium on Synchrotron Radiation for the International Chemical Congress of Pacific Basin Societies, Honolulu, Hawaii, Dec. 15-20, 2005.
12. “3D Coherent X-ray Diffraction Microscopy: the Present and the Future”, PSI Workshop on Pixel- and Microstrip-Detectors for Synchrotron Radiation, Paul Scherrer Institut, Switzerland, Oct. 18-19, 2005.
13. “3D Coherent X-ray Diffraction Microscopy: the Present and the Future”, The 27th International Free Electron Laser Conference, Stanford, California, Aug. 21-26, 2005.
14. “3D Coherent X-ray Diffraction Microscopy: the Present and the Future”, The Ministry of Education, Culture, Sports, Science and Technology Committee Meeting, Tokyo, Japan, July 19, 2005.
15. “3D Coherent Diffraction Microscopy and Its Applications in Nanoscience”, National Nanoscience Initiative workshop on X-rays and Neutrons, Washington D.C. June 16-18, 2005.
16. “3D Coherent Diffraction Microscopy: Present and Future”, The 3rd International Symposium of X-ray and Neutron Scattering on Integrated Molecular Systems, Pohang, Republic of Korea, June 27-29, 2005.
17. “3D Microscopy Provides the First Deep View”, The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, Seoul, Republic of Korea, June 5-9, 2005.  
18. “3D Coherent Diffraction Microscopy and Its Application in Nanoscience”, the 2nd US-Japan Workshop on Synchrotron Radiation and Nanoscience, San Diego, California, April 4-6, 2005.
19. “3D Diffraction Microscope Provides a First Deep View”, 2005 American Physical Society March Meeting, Los Angeles, California, March 21-25, 2005.
20. “3D Coherent X-ray Diffraction Microscopy: The Present and the Future”, International Workshop on New Science with New Detectors”, Grenoble, France, Feb. 9-10, 2005.  
21. “3D Diffraction Microscopy for Nanoscience and Bio-Imaging”, California Nanosystems Institute Advisory Board Meeting, Santa Barbara, California, Jan. 27-28, 2005.
22. “Coherent Diffraction Microscopy and Its Applications”, 35th Winter Colloquium on The Physics of Quantum Electronics, Snowbird, Utah, Jan. 2-6, 2005.
23. "Three-Dimensional Diffraction Microscopy and Its Applications", Physics and Astronomy Colloquium, UCLA, Dec. 9, 2004.
24. “Coherent X-ray Imaging and Its Applications”, Frontiers in Soft X-ray and Infrared Research, Madison, Wisconsin, Sept. 16-18, 2004.
25. “3D Diffraction Microscopy and Its Application in Structural Biology”, the 8th International Conference on Biology and Synchrotron Radiation, Himeji, Japan, Sep. 7-11, 2004.
26.  “Three-Dimensional Diffraction Microscopy and Its Applications in Nanoscience and Structural Biology”, the 60th Zhongguancun Forum, Institute of Physics, CAS, Beijing, July 8, 2004.
27. “Crystallography without Crystals”, the 6th Conference of the Asian Crystallographic Association, Hong Kong, June 27-30, 2004. (Plenary talk)
28. "Three-Dimensional Diffraction Microscopy and Its Applications in Structural Biology", Physics Colloquium, Ohio State University, March 18, 2004.
29. “Towards Atomic Resolution 3D Diffraction Microscopy with Coherent X-rays and Electrons”, the 4th International Symposium on Atomic Level Characterizations for New Materials and Devices, Kauai, Hawaii, Oct. 5-10, 2003.
30. “Diffraction Imaging with Coherent X-rays”, Workshop on X-ray Science with Coherent Radiation, Berkeley, California, Aug. 22-23, 2003.
31. “Coherent X-ray Imaging”, the 2nd PSI Summer School on Structure and Dynamics of Soft Condensed Matter, Zuoz, Switzerland, Aug. 9-16, 2003.
32. “Coherent X-ray imaging with the Oversampling Method”, Gordon Research Conference on X-ray Physics, Rhode Island, July 13-18, 2003.
33. “Crystallography without Crystals and the Potential of Imaging Single Biomolecules”, International Workshop on Noncrystallographic Phase Retrieval, Queensland, Australia, June 30 – July 2, 2003.
34. “Crystallography without Crystals and Its Applications in Structural Biology”, International Symposium on Diffraction Structural Biology, Tsukuba, Japan, May 28-31, 2003.
35. “X-ray Crystallography without Crystals and Its Applications in Nanoscience and Structural Biology”, NSLS Users’ Meeting, Brookhaven National Lab., New York, May 19-21, 2003.
36. “Crystallography without Crystals and Its Applications in Nanoscience and Structural Biology”, Physics Colloquium, University of Texas at Austin, Jan. 18, 2003.
37. “X-ray Crystallography without Crystals and the Potential of Imaging Single Biomolecules”, SLAC Scientific Policy Committee Meeting, Stanford, California, Dec. 6-7, 2002.
38. "Crystallography without Crystals and the Potential of Imaging Single Biomolecules", Materials Science and Engineering Colloquium, Stanford University, Nov. 20, 2002.
39. “Single Particle X-ray Diffraction: the Present and Future”, Workshop on X-ray Imaging and Spectro-Microscopy, Stanford, California, Oct. 8-9, 2002.
40. “Single Particle Diffraction with Coherent X-rays”, Workshop on Exploiting the Coherence of X-rays, Motzen, Germany, Sept. 23-24, 2002.
41. “High Resolution Diffraction Microscopy with Coherent X-rays and Electrons”, 15th International Congress on Electron Microscopy, Durban, South Africa, Sep. 1-6, 2002.
42. “High Resolution 3D X-ray Diffraction Microscopy and Its Potential of Imaging Single Biomolecules”, XIX Congress and General Assembly of the International Union of Crystallography, Geneva, Switzerland, Aug. 8-15, 2002.
43. “High Resolution 3D X-ray Diffraction Microscopy and Its Potential of Imaging Single Biomolecules”, The 5th SPring-8 International Workshop on 30-m Long Straight Section – on the use of Coherent Soft X-rays from Super-Brilliant Sources, Mikazuki, Japan, May 10 - 12, 2002.
44. “High Resolution 3D X-ray Diffraction Microscopy and Its Potential of Imaging Single Biomolecules”, Photon Factory Symposium, KEK, Japan, March 19-20, 2002
45. “A New Approach to 3D Structures of Biomolecules Utilizing X-FELs”, Workshop on Frontiers in Structural Biology at High-Brightness X-ray Source, Brookhaven National Lab., New York, May 21, 2001.
46. “Extending X-ray Crystallography to Non-Crystalline Specimens by the Oversampling Method”, International Phasing Workshop: New Approaches to the Phase Problem, Berkeley, California, May 17-19, 2001.
47. “On Possible Extensions of X-ray Crystallography through Oversampling and X-FEL Sources”, Workshop on Methods & Instrumentation for X-FEL, DESY, Germany, June 26-27, 2000.
48. “Extending X-ray Crystallography by Using the Linac Coherent Light Source”, LCLS Scientific Advisory Committee Meeting, SLAC, Stanford, March 30-31, 2000.
49. “Solving the Phase Problem by Using the Oversampling Technique”, CCP4 2000 Study Weekend, York University, England, Jan. 7-8, 2000.
50. “Extending the Methodology of X-Ray Crystallography to Non-Crystalline Specimens”, the 11th U.S. National Synchrotron Radiation Instrumentation Conference, Stanford, California, Oct. 13-15, 1999.
51. “An Extension of the Methodology of X-Ray Crystallography to Allow X-Ray Microscopy without X-Ray Optics”, the 6th International Conference on X-Ray Microscopy, Berkeley, California, Aug. 1-6, 1999.

Invited Seminars:

 MIT; Stanford University; University of Chicago; University of Illinois at Urbana-Champaign; UCLA; UCSD; SUNY at Stony Brook; SUNY at Buffalo; Michigan State University; University of Minnesota; University of California, Davis; University of Cincinnati; University of Florida; University of Wisconsin - Milwaukee; University of Central Florida; McGill University; University of Zurich; University of Melbourne; Waseda University; Tohoku University; Stanford Linear Accelerator Center; Cornell High Energy Synchrotron Source; Lawrence Berkeley National Laboratory; Argonne National Laboratory; Brookhaven National Laboratory; Lawrence Livermore National Laboratory; Hauptman-Woodward Institute; SPring-8/RIKEN; European Synchrotron Radiation Facility; HASYLAB, DESY; Beijing Synchrotron Radiation Facility, CAS; Shanghai Institute of Applied Physics, CAS; Institute of Physics, Academia Sinica, Taiwan; Peiking University, China.