Dr. Andrew G. Gehring Profile

Dr. Andrew G. Gehring

at USDA Agricultural Research Service

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Author

Publications (6)

Proceedings Article | 15 April 2008 Paper

Applications of immunomagnetic capture and time-resolved fluorescence detection for Salmonella enteriditis in liquid eggs

Shu-I Tu, Andrew Gehring, George Paoli

Proceedings Volume 6983, 698308 (2008) https://doi.org/10.1117/12.786880

KEYWORDS: Liquids, Bacteria, Samarium, Time resolved spectroscopy, Contamination, Luminescence, Fluorescence spectroscopy, Agriculture, Safety, Magnetism

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Proceedings Article | 12 October 2007 Paper

Application of horse-radish peroxidase linked chemiluminescence to determine the production mechanism of Shiga-like toxins by E. coli O157:H7

Shu-I Tu, Joseph Uknalis, Andrew Gehring, Yiping He

Proceedings Volume 6761, 67610C (2007) https://doi.org/10.1117/12.747453

KEYWORDS: RGB color model, Luminescence, Chemiluminescence, Bacteria, Magnesium, Molecules, Agriculture, Magnetism, Pathogens, Oxidation

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Proceedings Article | 8 November 2005 Paper

Detection of Escherichia coli O157:H7 using immuno beads

Shu-I Tu, Andrew Gehring

Proceedings Volume 5996, 599601 (2005) https://doi.org/10.1117/12.629949

KEYWORDS: Luminescence, Pathogens, Bacteria, Magnetism, Fluorescence spectroscopy, Biosensors, Target detection, Europium, Detector development, Safety

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Proceedings Article | 19 November 2004 Paper

Optical methods for detecting Escherichia coli O157:H7 spiked on cantaloupes

Shu-I Tu, Joseph Uknalis, Andrew Gehring

Proceedings Volume 5587, (2004) https://doi.org/10.1117/12.569269

KEYWORDS: Pathogens, Bacteria, Luminescence, Signal detection, Skin, Chemiluminescence, Magnetism, Bioluminescence, Contamination, Veins

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Proceedings Article | 30 March 2004 Paper

Applications of immunomagnetic capture and time-resolved fluorescence to detect outbreak Escherichia coli O157 and Salmonella in alfalfa sprouts

Shu-I Tu, Marsha Gordon, William Fett, Andrew Gehring, Peter Irwin

Proceedings Volume 5271, (2004) https://doi.org/10.1117/12.515558

KEYWORDS: Pathogens, Bacteria, Europium, Time resolved spectroscopy, Samarium, Luminescence, Fluorescence spectroscopy, Lanthanides, Lanthanum, Agriculture

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Proceedings Article | 12 January 1999 Paper

Detection of immunomagnetically captured 4',6-diamidino-2-phenyl-indole (DAPI)-labeled Escherichia coli 0157:H7 by fluorescent microscopic imaging

Shu-I Tu, Joseph Uknalis, Deidre Patterson, Andrew Gehring

Proceedings Volume 3544, (1999) https://doi.org/10.1117/12.335780

KEYWORDS: Bacteria, Magnetism, Microscopes, Luminescence, Microscopy, Charge-coupled devices, Pathogens, Image processing, Particles, Molybdenum

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Showing 5 of 6 publications

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