Dr. Daniel Campbell is a principal research scientist with over 30 years of experience in organic chemistry, materials science, and sensor design. He received his PhD in organic chemistry from Georgia Tech in 1982. Currently, he is the chief science officer at Lumense, Inc, where he leads research in developing integrated optic sensors for chemical and biological detection. Previously, he held positions at Georgia Tech where he conducted research in areas such as organic synthesis, polymers, and sensor fabrication. He holds several patents related to chemical sensor design and has authored over 50 publications and conference presentations in the field of chemical sensors.

1. Dr. DANIEL CAMPBELL Page 1 Biographical Sketch
BIOGRAPHICAL SKETCH
Dr. DANIEL P. CAMPBELL
Principal Research Scientist
Education
Doctor of Philosophy, Organic Chemistry
Georgia Institute of Technology 1982
Bachelor of Science, Forest Chemistry
New York State College of Environmental Sciences and Forestry at Syracuse University 1973
Employment History
Lumense, Inc.
Chief Science Officer 2013 - present
Georgia Institute of Technology
Principal Research Scientist Electro-optics, Environment and Materials Laboratory 2009 - 2013
Senior Research Scientist 1997-2009
Research Scientist II 1984-1997
Postdoctoral Fellow 1982-1984
Experience Summary
Is skilled in organic synthetic methods, including heterocycles, fluorinated and organometallic
compounds, natural products, carbohydrates, polymers and inorganics. Has knowledge of a wide range
of separation and characterization techniques. Is skilled in design and microfabrication of electronic
devices, including mask making, clean room methodology, photolithography, metal evaporation, sputter
and chemical vapor deposition, wire bonding and testing of devices. Has experience in Fabry-Perot
interferometric absorption spectroscopy, microwave spectroscopy and Langmuir-Blodgett monolayer
methodology.
Current Fields of Interest
Design and fabrication of devices with integrated optic waveguides for the detection of chemical species
with application in chemical processing, environmental monitoring and medical diagnostics; design and
synthesis of polymers for chemical sensors; sol-gel chemistry for sensor applications; nonlinear optics
and their application in electronic devices; surface chemistry; chemical and physical chemical
approaches to optical modulation.
Patents
“Filters and Methods and Making and Using the Same”, U.S. Patent 7,341,618, issued March 11, 2008.
“Apparatus and Method of Using a Waveguide Interferometer to Measure the Diffusion Rate of an
Analyte into a Polymer and to Form a Filter Media”, U.S. Patent 7,025,800, issued April 11, 2006.
“Filters and methods of making and using the same”, U.S. Patent #7,029,516, issued April 18, 2006.

2. Dr. DANIEL CAMPBELL Page 2 Biographical Sketch
“Methods for Detecting an Acid or Base in an Environment, Measuring the Concentration of an Acid or a
Base in an Environment, or Measuring the pH of an Environment and Sensors Thereof”, patent pending,
application number 20020016005, submitted September 21, 2001.
"Improved design for a hall device," U.S. Patent 4,698,522 issued October 1987.
Publications and Conference Presentations
1. “Planar Waveguide Interferometric Biosensors” in Principles of Bacterial Detection: Biosensors,
Recognition Receptors and Microsystems, Eds. M. Zourob, S. Elwary and A. Turner (New York:
Springer, June 2008), p.167 -211.
2. “Planar Waveguide Interferometric Sensors: Optical Design, Sensing Chemistries”,
BioNanoFluidic MEMS Workshop, Georgia Tech, June 29, 2006.
3. “Planar Waveguide Interferometric Sensors: Optical Design, Sensing Chemistries and
Applications”, SPIE Great Lakes, Dayton, OH, June 12, 2006, Invited Speaker.
4. “A Chemical Sensor for In Situ Monitoring of Chlorinated Compounds”, D. P. Campbell and D. S.
Gottfried, Fourth International Conference on Remediation of Chlorinated and Recalcitrant
Compounds, Monterey, CA, May 22-26, 2006.
5. “Sensing of the Environment Using a Planar Waveguide Interferometer”, D. S. Gottfried, J. Xu ,
J. Cobb-Sullivan, and D. P. Campbell, SPIE Optics SouthEast, Atlanta, GA, October 6, 2005.
6. “Georgia Tech’s Planar Waveguide Interferometric Chemical Sensors: the Evolving Story”, D. P.
Campbell, J. Cobb-Sullivan, D. S. Gottfried and N. F. Hartman, SPIE Optics SouthEast,
Atlanta, GA, October 6, 2005.
7. “Interferometric Sensors for Monitoring Our Environment”, D. P. Campbell, Air Force Research
Laboratory, Wright- Patterson Air Force Base, Dayton Ohio, July 26, 2005, Invited Speaker.
8. “Interferometric Sensors for Monitoring Our Environment”, D. P. Campbell, LAT Conference, St.
Petersburg, Russia, May, 2005, Invited Speaker.
9. “A Low-Cost, Real-Time Optical Sensor for Environmental Monitoring and Homeland Security”,
C. C. Bodurow, D. P. Campbell, D. S. Gottfried, J. Xu, J. Cobb-Sullivan, K. C. Caravati, EPA
Science Forum, Washington DC, May 2005.
10. "Interferometric Optical Waveguide Sensor For Anthrax Spore And Ricin Toxin Detection", D. P.
Campbell, D. S. Gottfried, J. Xu, S. M. Scheffter, M. C. Beck and M. D. Halpern, SPIE Optics
East, Philadelphia, PA, October 25-28, 2004.
11. "Groundwater Monitoring of VOCs with an Interferometric Optical Waveguide Sensor", D. P.
Campbell, D. S. Gottfried, and J. M. Cobb-Sullivan, SPIE Proceedings, Vol. 5586, (2004) pp.
136-143.
12. "Groundwater Monitoring of VOCs with an Interferometric Optical Waveguide Sensor", D. P.
Campbell, D. S. Gottfried, and J. M. Cobb-Sullivan, SPIE Optics East, Philadelphia, PA, October
25-28, 2004.
13. “Counterterrorism: Development of Chemical and Biological Sensor Devices” , D. P. Campbell,
American Chemical Society National Meeting, Philadelphia, PA, August 24, 2004. Invited
Speaker.

3. Dr. DANIEL CAMPBELL Page 3 Biographical Sketch
14. "An Environmental Sensor System for Solvent Plume Characterization and Monitoring", D. P.
Campbell, D. S. Gottfried, and K. C. Caravati, Fourth International Conference on Remediation
of Chlorinated and Recalcitrant Compounds, Monterey, CA, May 24-27, 2004.
15. "Groundwater Monitoring of VOCs with an Interferometric Optical Waveguide Sensor", D. S.
Gottfried, J. M. Cobb-Sullivan, K. C. Caravati, and P. McKeon, PITTCON, Chicago, IL, March 7-
12, 2004.
16. "Use Of A Real-Time Sensor System To Reduce The Costs Of Environmental Restoration", D.
P. Campbell, D. S. Gottfried, and K. C. Caravati, Waste Management '04 Conference, Tucson,
AZ, Feb. 29-March 4, 2004.
17. “Quantification of Trichloroethylene in Water Using an Interferometric Optical Waveguide
Sensor”, P. McKeon, J. M. Cobb-Sullivan, D. P. Campbell and D. S. Gottfried, Southeast
Regional Meeting of the American Chemical Society, Atlanta, GA, November, 2003.
18. “Interferometric Optical Waveguide Sensor for Anthrax Spore Detection”, D. P. Campbell, D. S.
Gottfried, S. M. Scheffter, M. C. Beck and M. D. Halpern, American Chemical Society National
Meeting, New York, NY, September 2003.
19. “Waveguide Interferometric Sensor: One, Platform, Many Recent Applications”, D. P. Campbell,
Gordon Research Conference on Chemical Sensors, Newport, RI, August 2003.
20. “Use of an Environmental Sensor System for Surface-Water Management and Monitoring, D. P.
Campbell, K. C. Caravati, and D. S. Gottfried, Stormcon 2003, San Antonio, TX, July 2003.
21. “Use of an Environmental Sensor System for Surface and Groundwater Monitoring”,
Environmental Restoration Technology End-User Conference, D. P. Campbell, D. S. Gottfried
and K. C. Caravati, Columbia, SC, July 2003.
22. “Optical Interferometric Biosensors” D. P. Campbell and C. J. McCloskey, in Optical Biosensors:
Present and Future, eds. F.S. Ligler and C.A. Rowe Taitt, (Netherlands: Elsevier , May 2002)
23. “Rapid Detection of Salmonella Using an Interferometric Waveguide Biosensor”, D. S. Gottfried,
J. Xu, J. C. Wyvill, and D. P. Campbell, Institute of Food Technologists Annual Meeting,
Anaheim, CA, May 2002
24. “Waveguide Interferometric Sensors: One Approach Toward a Practical Device,” D. P.
Campbell, D. S. Gottfried, D. W. Roberts and J. J. Caspall, Europt(r)ode VI, 6th
European
Conference on Optical Chemical Sensors and Biosensors, Manchester, England, April 2002,
Award for Best Poster Presentation.
25. “Biosensor Detection of Salmonella”, D. S. Gottfried, J. Xu, L. Polovnikova, J. Cobb-Sullivan,
and D. P. Campbell, Pittsburgh Conference, New Orleans, LA, March 2002.
26. “Planar Waveguide Interferometer: A Sensitive Tool for Analysis and Application of Thin Organic
Films,” D. P. Campbell, J. V. Suggs, J. A. Moore and J. M. Cobb, Southeast Regional Meeting
American Chemical Society, September, 2001.
27. “The Systemic Quantification of the Internal Pore Structure of Silica/Polymer Hybrid Gels During
the Aging Process,” C. P. Higginbotham, R. F. Browner, D. P. Campbell, D. S. Gottfried, J. D.
Jenkins, and J. K. Rice, Southeast Regional Meeting American Chemical Society, September,
2001.

4. Dr. DANIEL CAMPBELL Page 4 Biographical Sketch
28. “Chemical Sensing with an Integrated Optic Interferometer,” D. P. Campbell, J. V. Suggs, J. A.
Moore, J. M. Cobb, B. H. Schneider, Gordon Research Conference on Chemical Sensors and
Interfacial Design, Barga, Italy, May, 2001.
29. “ Sol-Gels: An Innovative Alternative to Conventional Sensor Technology,” C. P. Higginbotham,
D. P. Campbell, D. S. Gottfried, J. M. Cobb-Sullivan and R. F. Browner, FACSS Annual Meeting,
Nashville, TN, September 2000.
30. “Integrated Optic Interferometric Biosensor: A Comparison of Direct and Indirect Sensing,” D. P.
Campbell, J. M. Cobb-Sullivan and D. S. Gottfried, Gordon Research Conference on Analytical
Biosensors, Andover, NH, June 2000.
31. “Fabrication and Application of Silicon Dioxide Chemical Sensing Layers via Sol-Gel Synthesis,”
C. P. Higginbotham, R.F. Browner, D. P. Campbell and N. F. Hartman, Molecular Design
Institute Annual Meeting, Atlanta, GA, May 2000.
32. “Integrated Multianalyte Sensors’” D. P. Campbell, EUROPT(R)ODE V program proceedings,
Lyon, France, April 2000, invited speaker.
33. “Development of a Rapid Response Biosensor for Detection of Salmonella Typhimurium,” K. H.
Seo, R. E. Brackett, N. F. Hartman and D. P. Campbell, J. Food Protection, 62, pp. 431-437,
1999.
34. “Planar Waveguide Interferometer: A Sensitive Tool for Analysis and Application of Thin Organic
Films,” D. P. Campbell, N. F. Hartman andd J. M. Cobb, Gordon Research Conference on Thin
Organic Films, Newport, RI, July 1999.
35. “Integrated Optic Chemical-Biochemical Sensing,” N. F. Hartman, D. P. Campbell and J. M.
Cobb, Proceedings from Iris Active Systems Meeting, Monterey, CA, February 1999.
36. “Integrated Optic Sensor for pH and Ammonia,” D. P. Campbell, J. L. Moore, J. M. Cobb, J. G.
Edwards, SPIE Proceedings, Vol. 3537B, pp. 327-335, Boston, MA, November, 1998.
37. “Optical System-on-a-Chip for Chemical and Biochemical Sensing: The Chemistry,” D. P.
Campbell, J. L. Moore, J. M. Cobb, N. F. Hartman, B. H. Schneider, M. G. Venugopal, SPIE
Proceedings, Vol. 3540, pp. 153 -161, Boston, MA, November, 1998.
38. “An Integrated Optic Chemical Sensor for Environmental Monitoring,” J. G. Edwards, D. P.
Campbell, J. L. Moore, SPIE Proceedings, Vol. 3534, pp. 614-619,Boston, MA, November, 1998.
39. “Integrated Optic Sensors Come Down to the Chemistry,” D. P. Campbell, J. L. Moore, J. M.
Cobb, J. V. Suggs, OSA Annual Meeting, Baltimore, MD, October, 1998.
40. “Polymers: The Key Ingredient in Waveguide Chemical Sensors,” D. P. Campbell, J. M. Cobb, J.
V. Suggs, J. L. Moore, N. F. Hartman, Polymer Preprints, 1998, 39(2), pp. 1085-1086, Boston,
MA, August 1998.
41. “Chemical Sensing with an Integrated Optic Interferometer,” D. P. Campbell, Gordon Research
Conference on Chemical Sensors and Interfacial Design, Henniker, NH, July 14,15 1998.
42. “Reversible Integrated Optic Evanescent Field Biosensor Using Chemical Amplification for
Added Sensitivity,” D. P. Campbell, N. F. Hartman, J. V. Suggs, J. L. Moore, J. M. Cobb, SPIE
Proceedings, Vol. 3253, pp. 20-26, San Jose, CA, January 1998.

5. Dr. DANIEL CAMPBELL Page 5 Biographical Sketch
43. “An Integrated Optic Sensor for Drug Detection and Identification,” N. F. Hartman, D. P.
Campbell, R E. Schwerzel, J. L. Moore, J. V. Suggs, J. Chen, J. M. Cobb, ONDCP/CTAC
International Technology Symposium Proceedings, Chicago, IL, August 20, 1997.
44. “The Hartman Interferometer: Promise,” D. P. Campbell, Gordon Research Conference on
Bio/Analytical Sensors, Henniker, NH, July 31, 1997.
45. “Planar Waveguide Interferometers for Vapor Phase Sensing,” C. B. Joseph, D. P. Campbell, J.
V. Suggs, J. L. Moore, N. F. Hartman, American Industrial Hygiene Conference, Dallas, TX, May
20, 1997.
46. “Redetermination of 1,3-Dimethylimidazole-2-thione,” D. W. Tomlin, D. P. Campbell, P. A. Flietz,
W. W. Adams, Acta. Cryst. C53, 1997, pp. 1153-1154.
47. “Rapid Response Biosensor for Detection and Identification of Common Foodborne Pathogens,”
AOAC International Meeting, Atlanta, GA, February, 1996.
48. “Nonlinear Optical Measurements of Thiones,” P. Fleitz, D. P. Campbell, D. Forrai, ACS National
Meeting, Chicago, IL, August 1995.
49. “Integrated Optic Biosensor,” N. F. Hartman, D. P. Campbell, J. C. Wyvill, P. Edmonds,
American Society of Agricultural Engineering International Meeting, Atlanta, GA, 13-16
December, 1994.
50. "Rapid Response Biosensor for Detection and Identification of Common Foodborne Pathogens,"
N. F. Hartman, D. P. Campbell, J. C. Wyvill, P. Edmonds, SPIE Proceedings, Vol. 2345, Boston,
MA, November 2-4, 1994.
51. "Integrated Optic Gaseous NH3 Sensor for Agricultural Applications," N. F. Hartman, D. P.
Campbell, J. L. Walsh, U. Akki, SPIE Proceedings, Vol. 2345, Boston, MA, November 2-4, 1994.
52. "Integrated Optic Chemical and Biochemical Sensors," N. F. Hartman, D. P. Campbell, R. E.
Schwerzel, Conference on Manufacturing Process Development in Photonics, November 1-2,
1994, Huntsville, AL.
53. "Integrated Optic Biosensors for Microbial Detection," N. F. Hartman, J. C. Wyvill, P. Edmonds,
D. P. Campbell, Center for Food Safety and Quality Assurance, Atlanta, GA, 1-2 March 1994.
54. "Detection of Vapor and Liquid Phase Contaminants Using an Integrated Optic Interferometer,"
N. F. Hartman, J. L. Walsh, C. C. Ross, D. P. Campbell, K. D. Hughes, U.S. Army
Environmental Center SCAPS Workshop, Denver, CO, 11-13 May 1993.
55. "Integrated Optic Gaseous Ammonia Sensor," D. P. Campbell, N. F. Hartman, C. R. Ross,
PITCON '93, Atlanta, Georgia, 8-11 March 1993.
56. "Integrated Optic Interferometric Biosensor," D. P. Campbell and N. F. Hartman, PITCON '93,
Atlanta, Georgia, 8-11 March 1993.
57. "An Integrated Optic Gaseous Ammonia Sensor," N. F. Hartman, J. L. Walsh, C. C. Ross, D. P.
Campbell, Sensors EXPO 92, Chicago, Illinois, 1-3 October 1992.

6. Dr. DANIEL CAMPBELL Page 6 Biographical Sketch
58. "Use of Z-Scan Technique to Characterize Nonlinear Properties of Imidazole-2-thiones," H.
Toda, C. M. Verber and D. P. Campbell, Proceedings of the Optical Society of America, Annual
Meeting, San Francisco, California, November 1991.
59. "Development of a Field Worthy Sensor System to Monitor Gaseous Nitrogen Transfer from
Agricultural Croplands," U.S. Dept. of Energy, Final Report, October 1991, coauthor.
60. "Imidazolium-Stabilized 1,2-Dipoles: a New Class of Nonlinear Optical Organic Materials," D. P.
Campbell, J. A. Buck, M. E. Ogle, and D. P. Forrai, Proceedings of the National Organic
Symposium, Minneapolis, Minnesota, June 1991.
61. "Integrated Optic Sensor for Cropland Ammonia Volitization Measurement," J. L. Walsh, C. C.
Ross, N. F. Hartman, D. P. Campbell, F. C. Boswell and W. L. Hargrove, 1990 International
Winter Meeting, The American Society of Agricultural Engineers, Chicago, Illinois, 18-21
December 1990.
62. "Large Third-order Nonlinearities in Solutions of Imidazolium-stabilized 1,2-Dipoles," D. P.
Campbell and J. A. Buck, Proceedings of the Optical Society of America, Annual Meeting,
Boston, Massachusetts, November 1990.
63. "Optical Characterization Studies of Imidazolium-stabilized 1,2-Dipole Solutions, a New Class of
Third-order Nonlinear Materials," Senior Technical Guidance Council, GTRI, Final Report, July
1990, coauthor.
64. "Materials for Evanescent Wave Microwave Phase Shifters," Dynetics, Inc., Final Report,
January 1990, coauthor.
65. "Measurements of the Dielectric Constant of Paper," Hercules, Inc., Final Report, October 1989.
66. "Nonlinear Optical Organics," Senior Technical Guidance Council, GTRI, Final Report, July
1989.
67. "Fouling Prevention in Separations and Purifications," Fouling Clean. Food Process., Invited
Paper, 3rd Contrib. Int., p. 305-312, Ed. H.G. Kessler, D. B. Lund, June 1989, coauthor.
68. "Multimode Waveguide Chemical Sensor," N. F. Hartman, D. P. Campbell and M. Gross, Pro-
ceedings of the IEEE Lasers and Electro-Optics Society Annual Meeting, Santa Clara, No-
vember 1988.
69. "Fouling of RO and UF Membranes," 2nd Annual Nat. Meeting of the North Amer. Membrane
Society, Syracuse, New York, June 1989, coauthor.
70. "Anti-Fouling Surface Modification for Long-Lived Membranes with Constant Fluxes and
Selectivities," U.S. Geological Survey, February 1988, coauthor.
71. "A Novel Treatment for Anti-fouling and Drag Reduction of Ship Hull Materials," Final Report,
U.S. Department of Transportation/Maritime Administration, January 1988, coauthor.
72. "Molecular Absorption Intensity Measurements in the Millimeter Wavelength Region," D. P.
Campbell, D. M. Guillory and J. J. Gallagher, Proceedings of the 12th International Conference
on Infrared and Millimeter Waves, Orlando, Florida, December 1987.
73. "Anti-soiling and Treatment for Reflectors," Annual Reports for Solar Energy Res. Inst., April
1987 and April 1988, coauthor.

7. Dr. DANIEL CAMPBELL Page 7 Biographical Sketch
74. "Molecular Absorption Intensity Measurements in the Millimeter Wavelength Region," D. P.
Campbell and J. J. Gallagher, Proceedings of the 11th International Conference on Infrared and
Millimeter Waves, Pisa, Italy, October 1986.
75. "Quantitative Absorption Measurements of Freon 11 at 94 GHz," Final Report, Physical Sciences
Laboratory, New Mexico State University (contracting for U.S. Army Atmospheric Science
Laboratory, White Sands, New Mexico), May 1986, coauthor.
76. "Infrared Technology for Satellite Power Conversion," Report, NASA Research Grant No. NAG-
282, NASA/Lewis, December 1984, also February 1984 and January 1984, coauthor.
77. "Technology for Satellite Power Conversion," Special Technical Report, NASA/Lewis, October
1984, coauthor.
78. "Observations of the Annular Solar Eclipse of May 30, 1984," U.S. Naval Observatory, Wash-
ington, DC, August 1984, coauthor.
79. "Quantitative Analysis and Measurements of Freon 22," Final Report, Physical Science
Laboratory, New Mexico State University (contracting for U.S. Army Atmospheric Science
Laboratory, White Sands, New Mexico), June 1984, coauthor.
80. "Prospecting for Hypervalent and 1,3-Dipolar Bonding Arrangements in Some First-Row
Elements: The Use of Imidazoium Cations in Stabilizing Such Arrays," Ph.D. dissertation,
Georgia Institute of Technology, 1982.
Revised September 23, 2015