1. “Molecularly-specific optical imaging, sensing and stimulation,” Center for NeuroEngineering Second Annual Symposium, Rice University, Houston TX, Sept 14, 2012 (Invited).
  2. “Photonic technologies for molecularly-sopecific optical imaging, sensing and stimulation,” Departmental Seminar, Biomedical Engineering, Texas A&M University, College Station TX, Sept 2012 (Invited).
  3. “Parallel Raman and surface-enhanced Raman microspectroscopy for biophotonics applications,” International Conference and exhibition on Biosensor and Bioelectronics, Las Vegas, NV, May 2012 (invited).
  4. “Flexible optitrode for localized light delivery and electrical recording,” International Conference and exhibition on Biosensor and Bioelectronics, Las Vegas, NV, May 2012 (invited).
  5. “Detection of organic gunshot residues by surface-enhanced Raman spectroscopy,” Pittcon, Orlando FL, 2012 (invited).
  6. “High throughput Raman and surface-enhanced Raman microscopy,” SPIE Photonics West, San Francisco CA, Jan 2012.
  7. “Integrated multi-sensing optrode for neural stimulation and recording,” SPIE Photonics West, San Francisco CA, Jan 2012.
  8. "Oil spill sensor using multispectral infrared imaging via l1 minimization," ICASSP, Prague, May, 2011.
  9. “Quantitative Bio Raman Spectroscopy and Imaging”, Mechanical Engineering Seminar, University of Houston, Jan, 2011 (Invited).
  10. "Fabrication of 3D multisensing electrodes for in vivo neuronal unit recordings", Society fo Neuroscience Annual Meeting. 2010: San Diego CA.
  11. “Toward integrated sensing and diagnosis,” Schlumberger, Sugar Land, TX, Jun, 2010 (invited).
  12. “Optical sensing and Micro/Nanotechnology,” Schlumberger, Sugar Land, TX, May, 2009 (invited).
  13. “Offshore stand-off oil spill monitoring using passive optical imaging,” SPIE Symposium on Defense, Security, and Sensing, Orlando, FL, Apr, 2009.
  14. “Toward intelligent optical sensing and diagnosis,” Special seminar, Department of Electrical and Computer Engineering, University of Houston, Mar, 2009 (invited).
  15. “Toward intelligent optical sensing and diagnosis,” Special seminar, Department of Mechanical and Automation Engineering, Chinese University of Hong Kong, Feb, 2009 (invited).
  16. “Toward intelligent optical sensing and diagnosis,” Special seminar, Department of Mechanical Engineering, Hong Kong University, Feb, 2009 (invited).
  17. “Label-free, non-invasive sensing and diagnosis using optical spectroscopy,” Special Seminar, Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Oct. 2008 (invited).
  18. “Automated remote monitoring system for offshore platforms,” Schlumberger Reservoir Symposium, Rio de Janeiro, Brazil, Oct, 2008 (Invited).
  19. ”Oil spill detection,” Federation of Analytical Chemistry and Spectroscopy Society (FACSS), Reno, NV, Sept, 2008.
  20. ”Oil spill detection using multiple spectral bands,” IEEE International Geoscience & Remote Sensing Symposium (IGARSS), Boston, MA, Jul, 2008.
  21. ”Modeling of thickness dependent thermal contrast of native and crude oil covered water surfaces,” IEEE International Geoscience & Remote Sensing Symposium (IGARSS), Boston, MA, Jul, 2008.
  22. “How sweet are you?” Special Seminar, Department of Electrical and Computer Engineering, University of Minnesota, Feb, 2008 (invited).
  23. “Quest for carbohydrates and hydrocarbons,” Special Seminar, Department of Electrical and Computer Engineering, Tufts University, Jan, 2008 (invited).
  24. “Quantitative Raman spectroscopy in turbid media: Theory and simulations,” Federation of Analytical Chemistry and Spectroscopy Society (FACSS), Memphis, TN, Oct, 2007.
  25. “Raman intensity correction in turbid media,” Gordon Research Conference: Laser in Medicine and Biology, 2006.
  26. “Quantitative biological Raman spectroscopy,” MIT Modern Optics and Spectroscopy (MOS) seminar series, Mar, 2006 (invited).
  27. “Intrinsic Raman spectroscopy improves analyte concentration measurements in turbid media,” Biomedical Optics Topical Meeting by Optical Society of America, Fort Lauderdale, FL, Mar, 2006.
  28. “Non-invasive determination of blood glucose concentration using NIR transcutaneous Raman spectroscopy,” Advances in Optics for Biotechnology, Medicine and Surgery, 2005.
  29. “Constrained regularization: A new strategy for accurate measurement of glucose concentrations in human volunteers using transcutaneous Raman spectroscopy,” Federation of Analytical Chemistry and Spectroscopy Society (FACSS), 2005.
  30. “Non-invasive blood analyte concentration measurements using Raman spectroscopy and integrated microspectrometer by nano-actuation,” New England Section of the Optical Society of America, Lexington, MA, Nov, 2004 (invited).
  31. “Microspectrometer without moving parts,” OSA Annual meeting, Orlando, FL, Sept, 2002 (invited).
  32. “Analog tunable gratings with nanometer resolution,” Solid-state Sensor and Actuator Workshop, Hilton Head SC, 2002.
  33. “Diffractive optical elements with analog micromechanical actuation,” MIT Microphotonics Center Seminar Series, Cambridge, MA, Apr, 2002 (invited).
  34. “MEMS tunable gratings with analog actuation,” Symposium on photonics, networking, and computing, Durham, NC, Mar, 2002 (invited).
  35. “Analog tunable diffractive grating with milliradian resolution,” Optical Fiber Communication Conference and Exhibit (OFC), Anaheim, CA, Mar, 2002.
  36. “Electrostatic and piezoelectric analog tunable diffractive gratings,” Lasers and Electro-Optics (CLEO), Long Beach CA 2002.
  37. “Analog tunable diffractive grating with milliradian resolution,” Optical Fiber Communication Conference (OFC), Anaheim CA 2002.