Dr. D. Marshall Porterfield Profile

Dr. D. Marshall Porterfield

Associate Professor at Purdue Univ

SPIE Involvement:

Author

Proceedings Article | 26 May 2011 Paper

Self-referencing luminescent optrodes for non-invasive, real time measurement of extracellular flux

Eric McLamore, D. Marshall Porterfield, R. Borgens, M. Banks

Proceedings Volume 8025, 802505 (2011) https://doi.org/10.1117/12.883893

KEYWORDS: Oxygen, Electrodes, Microsensors, Sensors, Diffusion, Signal to noise ratio, Time metrology, Fiber optics, Tissues, Spinal cord

Read Abstract +

Proceedings Article | 24 April 2010 Paper

A difference imaging technique for monitoring real-time changes in morphology within the cell, tissue, and organism spatial domain

E. McLamore, M. Stensberg, G. Yale, H. Ochoa-Acuna, M. Sepulveda, X. Sun, O. Akkus, D. M. Porterfield

Proceedings Volume 7674, 76740F (2010) https://doi.org/10.1117/12.851694

KEYWORDS: Image processing, Bone, Real time imaging, Organisms, Tissues, Opacity, Physiology, Image transmission, Agriculture, Biomedical optics

Read Abstract +

Proceedings Article | 23 April 2010 Paper

Frequency domain fluorescence lifetime microwell-plate platform for respirometry measurements

M. Chatni, G. Yale, A. Van Ryckeghem, D. M. Porterfield

Proceedings Volume 7674, 767407 (2010) https://doi.org/10.1117/12.852472

KEYWORDS: Oxygen, Luminescence, Calibration, Organisms, Electrodes, Diffusion, Light sources, Platinum, Phase shifts, Phase only filters

Read Abstract +

Proceedings Article | 8 May 2009 Paper

Oxygen flux as an indicator of physiological stress in aquatic organisms: a real-time biomonitoring system of water quality

Brian Sanchez, Gowri Yale, Rameez Chatni, Hugo Ochoa-Acuña, D. Marshall Porterfield, Eric Mclamore, María Sepúlveda

Proceedings Volume 7304, 730405 (2009) https://doi.org/10.1117/12.820193

KEYWORDS: Oxygen, Cyanide, Cadmium, Potassium, Organisms, Biosensing, Quality systems, Environmental sensing, Digital signal processing, Biological detection systems

Read Abstract +

Proceedings Article | 25 April 2009 Paper

New developments in electronic reference controls for frequency domain optical sensing

M. Chatni, G. Li, D. M. Porterfield

Proceedings Volume 7313, 731307 (2009) https://doi.org/10.1117/12.819089

KEYWORDS: Luminescence, Phase shifts, Oxygen, Light emitting diodes, Modulation, Control systems, Phase measurement, Fiber couplers, Calibration, Photodetectors

Read Abstract +

Proceedings Article | 4 October 2007 Paper

Optimization of oxygen sensitive optical dye membrane polymers for fluorescent-lifetime-based physiological biosensing

M. Chatni, D. Maier, D. M. Porterfield

Proceedings Volume 6759, 67590C (2007) https://doi.org/10.1117/12.734252

KEYWORDS: Oxides, Luminescence, Titanium, Polymers, Oxygen, Magnesium, Sensors, Signal to noise ratio, Particles, Modulation

Read Abstract +

Proceedings Article | 25 October 2006 Paper

In silico cell electrophysiology for measuring transcellular calcium currents

A. ul Haque, M. Rokkam, A. De Carlo, S. Wereley, H. Wells, W. McLamb, S. Roux, P. Irazoqui, D. Porterfield

Proceedings Volume 6380, 638007 (2006) https://doi.org/10.1117/12.684620

KEYWORDS: Calcium, Electrodes, Ions, Electrophysiology, Silicon, Semiconducting wafers, Data acquisition, Lab on a chip, Microelectromechanical systems, Plasma

Read Abstract +