147. “Molecular electronics and sensors”, Academia Sinica, Taipei, Nov. 22, 2007.

148. “Lifetime and Current-Induced Local Heating Issues in Single Molecule Junctions”, CREST Workshop on Molecular Nano-Electronic Devices, Kyoto, Japan, Nov. 20, 2007.

146. “Electron transport in single molecules”, seminar, Univ. of Maryland, Oct. 10, 2007.

145. “Detection of Mutations in Single DNA molecules”, 9th International Symposium on Mutation Detections”, Xiamen, China, Sept. 24, 2007.

144. “Controlling electron transport in redox molecules”, Keynote speaker, 58th Annual meeting of International Society of Electrochemistry, Banff, Canada, Sept. 10, 2007.

143. “Nanotechnology”, Tutorial speaker at 58th Annual meeting of International Society of Electrochemistry, Banff, Canada, Sept. 9, 2007.

142. “Electrochemically controlled electron transport in single molecules”, Keynote speaker, 3rd Echem. Meeting, Castle Trent, Czech. June 29, 2007,

141. “Lifetime and stability of single molecule junctions”, seminar, Automata University of Madrid, Spain, June, 26, 2007.

140. “Redox gating and local heating in single molecule junctions”, Colloquium in Nanoscience & Nanotechnology, Basel University, Switzerland, June 22, 2007.

139. “Study single molecule conductance”, AVS workshop, Pittsburg, April 22-23, 2007.
“Controlling Electron Transport in Single Molecules”, Workshop of Canadian Institute for Advanced Research, Montreal, April 14, 2007.

138. “Nanojuunction Arrays for Chemical and Biosensors”, U. of Alberta, Edmonton, March 16, 2007.

137. “Chemical sensors using polymer nanowires”, Pittcon, Chicago, Feb. 28, 2007.
“Controlled electron transport in molecules”, Mesilla Workshop, Mesilla, New Mexico, Feb. 6, 2007.

136. “Electron transport in redox molecules”, Colloquium in James Frank Institute, U. of Chicago, Jan. 17, 2007.

135. “Tuning fork polymer wire sensors”, Materials Research Society Fall Meeting, Boston, Nov., 2006.

134. University of Arizona, Physics Colloquium, Tucson, Oct., “Molecular Electronics”

133. International workshop on quantum measurement and manipulation, “Single molecule electronics”, Hefei, China, Aug. 27, 2006.

132. Gordon Research Conference on Donors & Acceptors, “Electron Transport in Redox Molecules”, Newport, RI, Aug. 16, 2006.

131. Annual project review, European Union Science Foundation, invited keynote speaker, July 27, 2006.

130. Nanotechnology Productization and Trend, Motorola Workshop, “Nanosensors: Progress and Challenges”, Tempe, AZ, May 23, 2006.

129. 2nd Symposium on Nano- & Bio-science, “Controlling electron transport in single molecules”, May 6, 2006, Xiamen, China.

128.Materials Science Research Society Annual Meeting, “Electron transport in Redox Molecules”, invited talk given by student Josh Hihath, April 19, 2006.

127. Duke University, “Electron transport in molecular systems”, invited seminar, April 4, 2006.

126. Workshop on Bio-nanoelectronics, “Conductance of DNA”, organized by Canadian Institute of Advanced Research Nanoelectronics program Montreal, Canada, March 30, 2006.

125. American Chemical Society Meeting, “Effects of contacts in molecular electronics”, Atlanta, GA, March 29, 2006.

124. America Physical Society Meeting, “Electron Transport in Single Molecules”, Baltimore, MD, March 15, 2006.

123. University of Pittsburgh, “Controlling current through single molecules”, Pittsburgh, Jan. 27, 2006.

122. Western Regional Meeting of American Chemical Society, “Microfabricated tuning fork sensors”, given by student Francis Tsow, Los Angeles, Jan. 23, 2006.

121. Simon Fraser University, “Measurement of single molecule conductivity”, Vancouver, Canada, Jan. 11, 2006.

120. University of Victoria, “Electrical Wired Molecules”, Victoria, Canada. Jan. 9, 2006.

119. Tsinghua University, “Tuning fork chemical sensors”, Dec. 12, 2005.

118. Nanjing Aerospace University, “Chem- and biosensors”, Nanjing, Dec. 9, 2005.

117. International Symposium on Molecular Scale Electronics, Tskuba, Japan, “Controlling conductance of single molecules”, Dec.5-6, 2005.

116. 3rd meeting on molecular circuitry, “Conductance of single molecules covalently attached to metal electrodes”, Tokyo Institute of Technology, Japan, Dec. 3, 2005.

115. Symposium on Interfaces in Organic & Molecular Electronics II, “Measurement of single molecule conductance with STM”, Materials Research Society Fall Meeting, Boston, Nov., 2005.

114. Symposium on Interfaces in Nanotechnology for Environmental Applications, “Polymer wire chemical sensors”, Materials Research Society Fall Meeting, Boston, Nov., 2005.
113. Princeton University, seminar, “Controlling electron transport in single molecules”, Nov. 9, 2005.

112. University of California at Berkeley, seminar, “Wiring up Single Molecules”, Nov. 4, 2005.

111. Electrochemical Society Annual Meeting, “Chemical Sensors using Microfabricated Tuning Fork Arrays”, Los Angeles, Oct. 17, 2005.

110. Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) annual conference, Quebec, October 13, 2005.

109. Workshop on DNA-based Nanowires, “Conductance of DNA in Aqueous Solution”, Keynote Speaker, Modena, October 7, 2005.

108. Trends in Nanotechnology International Conference (TNT2005), Oviedo (Spain), keynote lecture, August 29, 2005.

107. Faraday Discussions, Manchester, “Electron transport properties of redox molecules”, Manchester, September 1, 2005.

106. Julich Research Institute, “Electron Transport through Single Molecules”, invited seminar, Aug. 4, 2004.

105. Annual Workshops on Molecular Conduction, West Lafayette, July 27-29, 2005.

104. Summer 2005 PhD School on Nanotechnology, “Molecular Electronics”, Catania, Italy, June 28, 2005.

103. Nan-Qiang Colloquium, Xiamen University, “Wiring molecules up into electrical circuits”, Xiamen, May 17, 2005.

102. 5th Asia-Pacific Electrochemistry Conference, “Electrochemical control of current in single molecules”, Shanghai, China, May 10, 2005.

101. University of California at San Diego, seminar, “Electron transport in single molecules”, April 8, 2005.

100. University of California at Riverside, colloquium, “Integrated Nanosensors”, April 1, 2005.

99. New Mexico State University, colloquium, “Reading chemical information electronically”, March 18, 2005.

98. American Chemical Society Meeting, “Electron transfer in redox molecules”, San Diego, CA, March 16, 2005.

97. Symposium on Nanostructure Control at Solid Surfaces for the Construction of Nano-molecular/Bio Devices, “Electron transport through single molecules”, Sapporo, Japan, March 9, 2005.

96. State University of New York at Albany, colloquium, “Wire Single Molecules up into Electronic Circuits”, Jan. 28, 2005.

95. 7th Molecular Scale Electronics, Engineering Conference International, “Control electron transport in single molecules”, San Diego, Jan. 23, 2005.

94. Zhongnan University, “Single molecule electronics: An overview”, Dec. 29, 2004.

93. Xiamen University, “Electrochemical Gate Controlled Electron Transport in Single Molecules”, Dec. 20, 2004.

92. Fudan University, “Chem/Biosensors: Opportunities and Challenges”, Dec. 13, 2004.

91. Shanghai Normal University, “Chem/Biosensors: Opportunities and Challenges”, Dec. 13, 2004.

90. 12th International Colloquium on STM, Atagawa, Japan “Measurement and control electron transport properties of single molecules”, Dec.10, 2004.

89. Federal Remediation Technologies Roundtable (FRTR) meeting, Dec. 9, 2004, Arlington,
Virginia, “Integrated Nanosensor Systems for Environmental Protection”.

88. Southern Illinois University, seminar “Reading chemical properties of single molecules”, Dec., 3, 2004.

87. University of California at Irvine, ISIS seminar “Wire Single Molecules up into Electronic Circuits”, Nov. 22, 2004.

86. EPA Workshop on “Nanotechnology: Applications to Environmental Problems”, Plenary talk, Philadelphia, Aug. 18, 2004.

85. Julich Research Institute, “Electron Transport Properties of Redox Molecules”, invited seminar, Aug. 13, 2004.

84. The 5th International Wilhelm and Else Heraeus Summer School on “Molecules: Building Blocks for Future Nanoelectronics”, Wittenberg, Aug. 10, 2004.

83. 9th ENSEF, “Wiring molecules up”, Aracaju, Brazil, July 16, 2004.

82. Workshop on Molecular Conduction, “Reading chemical information of single molecules electronically”, Northwestern University, July 9, 2004.

81. Joint DRC/EMC Invited Session, “Electron transport properties of single molecules covalently bonded to two electrodes”, Notre Dame, June 24, 2004.

80. Motorola Lab, “Chemical sensors with nanojunctions”, Tempe, AZ, June, 2004.

79. Applied Biosystems, “Nanojunction and Surface Plasmon Resonance Sensors”, invited seminar, June 9, 2004.

78. FlipChip International, “Tuning Fork Arrays for Chemical Sensors”, June, 2004.

77. Xiamen University, “Nanojunctions: Properties and Applications”, invited seminar, May 29, 2004.

76. SPM04, “Measurement of Single Molecule Electromechanical Properties”, Beijing-TEDA, May 26, 2004

75. University of Guelph and University of Waterloo joined seminar, “Electrical and Chemical Properties of Single Molecules”, May 18, 2004.

74. CSSER, “Molecular Junctions: Properties and Sensor Applications”, seminar, April 23, 2004.

73. 3rd Micro Sensor Workshop, “Nanojunction Sensors”, Scottsdale, Arizona. April 21, 2004.

72. Material Research Society Meeting, San Francisco, CA, “Electron transport of properties of single molecule junctions”, April 14, 2004.

71. American Chemical Society, Anaheim, CA, “Molecular Junctions: Properties and Sensor Applications”, April 1, 2004.

70. International Society of Electrochemistry, annual spring meeting, “Electron transport in single molecules”, Xiamen, March 9, 2004.

69. AAAS annual meeting, Seattle, WA, “Chemical and Biological Sensor Applications using Nanojunctions”, Feb. 13, 2004.

68. Chinese Academy of Science, Changchun Institute of Applied Chemistry, “Single Molecule Electromechanical Properties”, Jan. 4, 2004.

67. Anhui University, “Measurement of Single Molecule Conductance”, Jan. 3, 2004.

66. Workshop France-USA: Molecular-scale Electronics, “Conductance of Single Molecules Covalently Bonded to Electrodes”, Dec. 19, 2003, Paris, France.

65. FACSS-2003, “Conducting Polymer Nanojunctions: Basic Properties and Chemical Sensor Applications” October 19 - 23, 2003, Ft. Lauderdale, FL.

64. American Chemical Society, 38th Western Regional Meeting, “Electrochemical Fabrication and Properties of Conducting Polymer and Semiconductor Nanojunctions”, October, 15-18, 2003, Long Beach, CA.

63. University of California at Irvine, “Electronic and Mechanical Properties of a Single Molecule”, Seminar, Oct., 7, 2003.

62. Nanotechonology & Environment, Interagency (NSF/EPA/DOE/DOD/FDA/NIH/USDA
/NIST) Meeting, “Detection of Heavy Metal Ions with Polymer Nanojunctions”, Washington DC., September 15-16, 2003.

61. American Chemical Society-Petroleum Research Fund, Workshop on Nanoscale Physical Chemistry, “Electrochemical Fabrication of Nanostructures”, Pullman, Washington, July 29, 2003.

60. 9th International Fischer Symposium, “Probing Electron Transport through Molecules”, Munich, Germany, July 21, 2003.

59. American Chemical Society Meeting (Symposium of Nanotechnology and Environment), “A Nanocontact Heavy Metal Ion Sensor”, New Orleans, March, 2003.

58. American Chemical Society Meeting, “Telegraphic Noise in Metal-Water-Metal Tunnel Junctions”, New Orleans, March, 2003.

57. Hunter College of CUNY, “Electron Transport Through Molecules”, New York, March 18, 2003.

56. 10th Annual Foresight Conference on Molecular Nanotechnology, Bethesda, Maryland, Oct. 12, 2002.

55. 10th Annual Foresight Conference on Molecular Nanotechnology, Scientific Tutorial Talk, Oct. 10, 2002.

54. Electron-Phonon Effects in Nanosystems (EPENS'02), Long Island, New York, September 24, 2002.

53. International Society of Electrochemistry, 53rd annual meeting, Duesseldorf, Germany, September 19, 2002, invited main lecture.

52. American Chemical Society Meeting, “Differential SPR”, Boston, Aug., 2002.

51. Gordon Research Conference, “Atomic-scale contacts and gaps: fabrications and properties”, August 15, New London, 2002.

50. Beijing University, “Applications of Quantum wires”, Seminar, June 18, 2002.

49. Tsinghua University, “Molecular Electronics”, Beijing, June 16, 2002.

48. IUMRS-ICEM 2002, “Conducting Polymer Switches”, Xi’an, June 14, 2002.

47. Changchun Institute of Applied Chemistry, Chinese Academy of Science, “Electrochemical fabrication of quantum wires”, June 8, 2002.

46. 200th Electrochemical Society Meetings, “Fabrication of atomic-scale contacts with a self-termination method”, May 13, 2002.

45. Purdue University, seminar, “Connecting Single Molecules to Nanoelectrodes”, May 9, 2002.
CSSER, “Molecular Electronics: Contacts and Interfaces”, Arizona State University, March 22, 2002.

44. Gordon Research Conference, “Electrochemistry of Quantum Wires”, Ventura Beach, CA, Jan. 21, 2002.

43. Institute of Solid State Science, Chinese Academy of Science, Dec. 2001.

42. Anhui University, China, seminar, Dec. 2001.

41. University of Heidelberg, Germany, Seminar, Dec. 2001.

40. University of Karlsruche, Germany, Seminar, Dec., 2001.

39. Workshop on Electrochemical Fabrication of Nanostructures, Reisenberg, Germany, Nov., 2001.

38. SRC, Mineapolis, October, 2001

37. 199th Electrochemical Society Meetings, San Francisco, September, 2001.

36. American Chemical Society, Chicago, August 26, 2001.

35. 9th International Conference on Electrified Interfaces, Wolfville, July, 2001.

34. 84st Canadian Chemical Society Conference, Montreal, May, 2001.

33. University of Miami, seminar, April 20, 2001.

32. Florida Atlantic University, seminar, January 19, 2001.

31. North Carolina State University, seminar, Nov., 2000.

30. 197th American Electrochemical Society Meetings, Symposium on Scanning Tunneling

29. Microscopy, Oct., Phoenix, 2000.

28. Quantum Electronics Labs, Motorola, June, 2000.

27. Molecular Electronics Symposium, Phoenix, May, 2000.

26. 196th American Electrochemical Society Meetings, Toronto, May, 2000.

25. Biomolecular Application of Scanning Probe Microscopy –2000 Workshop, The Royal

24. Danish Academy of Sciences and Letters, Copenhagen, March, 2000.

23. American Vacuum Society, Southeast chapter, annual conference, Orlando, March, 2000.

22. Georgia Institute of Technology, Physics Colloquium, Atlanta, December, 1999.

21. 26th Annual Conference of Federation of Analytical Spectroscopy, Vancouver, Oct., 1999.

20. Washington State University, Colloquium, Sept., 1999.

19. 195th American Electrochemical Society Meetings, May, 1999.

18. University of Illinois at Urbana, Colloquium, Feb., 1999.

17. 65th American Physical Society, Southeast, Annual Meeting, Nov., 1998.

16. 81st Canadian Chemical Society Conference, Whistler, May, 1998.