"Low cost phase-modulation measurements of nanosecond fluorescence lifetimes using a lock-in amplifier", Peter Harms, Jeffrey Sipior, and Natraj Ram, Gary M. Carter, and Govind Rao, Review of Scientific Instruments vol. 70, pp. 1535-1539 (1999).

"The process and efficiency of ultraviolet generation from gallium nitride blue light emitting diodes", J. P. Basrur, F. S. Choa, P.-L. Liu, J. Sipior, G. Rao, G. M. Carter, and Y. J. Chen, Applied Physics Letters vol. 71, pp. 1-1385-1387 (1997).

"Blue light-emitting diode demonstrated as an ultraviolet excitation source for nanosecond phase-modulation fluorescence lifetime measurements", Jeffrey Sipior, Gary M. Carter, Joseph R. Lakowicz, and Govind Rao, Review of Scientific Instruments vol. 68, pp. 2666-2670 (1997).

"Time-resolved-spectrum studies of GaN light emitting diodes", F.S. Choa, J.Y. Fan, P.-L. Liu, J. Sipior, G. Rao, G.M. Carter, Y.J. Chen, Applied Physics Letters Vol. 69, pp. 3668-3670 (1996).

"Single quantum well light emitting diodes demonstrated as excitation sources for nanosecond phase-modulation fluorescence lifetime measurements", Jeffrey Sipior, Gary M. Carter, Joseph R. Lakowicz, and Govid Rao, Review of Scientific Instruments vol. 67, pp. 3795-3798 (1996).

"Phase Fluorometric Optical Carbon Dioxide Gas Sensor for Fermentation Off-Gas Monitoring", Jeffrey Sipior, Lisa Randers-Eichhorn, Joseph R. Lakowicz, Gary M. Carter, and Govind Rao, Biotech. Prog. Vol. 12, pp. 266-271(1996).

"A Directly-Modulated Diode Laser Frequency-Doubled in a KTP Waveguide as an Excitation Source for CO2 and O2 Phase Fluorometric Sensors", Raja Hoalavanahali, Romauld M., Gary M. Carter, Govind Rao, Jeffrey Sipior, Joseph R. Lakowicz, and John D. Bierlein, Journal of Biomedical Optics Vol. 1, pp.124-130(1996).

"Noise Measurements of a Phase Fluorometric Instrument", Raja Holavanahali, Gary Carter, Shabbir B. Bambot, Vadde Venkatesh, and Vivek Srinivas, Optical Engineering Vol. 35, pp. 549-553(1996).

"A Lifetime-Based Optical CO2 Gas Sensor with Blue or Red Excitation and Stokes or Anti-Stokes Detection", Jeffrey Sipior, Shabbir Bambot, Romauld M., Gary M. Carter, Joseph R. Lakowicz, and Govind Rao, Analytical Biochemistry, Vol. 227, 309-318(1995).

"Phase Fluorometric Sterilizable Optical Oxygen Sensor", Shabbir B. Bambot, Raja Holavanahali, Joseph R. Lakowicz, Gary M. Carter, and Govind Rao , Biotechnology and Bioengineering Vol. 43, pp. 1139-1145(1994).