Research Leader
stu@errc.ars.usda.gov
Phone: (215) 233-6466
Fax: (215) 233-6581
Room 1112.3
600 E MERMAID LN
ERRC
WYNDMOOR, PA, 19038-8598

Project List

	Detection and Prevention of Chemical and Microbial Contamination in Foods
	Immunomagnetic Bead Technology for Pathogen Bacteria Detection
	Detection and Control of Foodborne Hazards
	Development of Immunomagnetic Bead Assay for Concentration of Yersinia Pestis from Ground Beef Samples
	Advanced Techniques for the Analysis of Chemical Residues in Foods
	New Technology and Systems to Detect and Prevent Chemical and Microbial Food Contaminants
	Biosensor Processes for Detecting Pathogenic Bacteria in Foods

Publications

	OPTICAL METHODS FOR DETECTING ESCHERICHIA COLI 0157:H7 SPIKED ON CANTALOUPES- (15-Oct-04)
	TIME-RESOLVED FLUORESCENCE DETECTION OF TOXINS AND PATHOGENIC BACTERIA IN FOODS- (06-Oct-04)
	DETECTION OF VIABLE BACTERIA CELLS BY BIOLUMINESCENCE: A BIOENERGETIC APPROACH- (15-Sep-04)
	BIOENERGETIC CONFIRMATION OF VIABLE PATHOGENS IN FOODS BY ATP-BIOLUMINESCENCE- (21-May-04)
	DYNAMIC FACTORS CONTROLLING THE PATHOGEN CAPTURE BY IMMUNO MAGNETIC BEADS- (20-May-04)
	OPTICAL METHODS FOR DETECTING E. COLI 0157:H7 SPIKED ON CANTALOUPES- (15-Apr-04)
	TIME-RESOLVED FLUORESCENCE DETECTION OF SHIGA-LIKE TOXINS PRODUCED BY ESCHERICHIA COLI 0157 AND NON-0157 IN GROUND BEEF- (07-Apr-04)
	RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLOURESCENCE- (28-Aug-03)
	APPLICATIONS OF IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE TO DETECT OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS- (28-Aug-03)
	KINETIC FACTORS AFFECTING THE BACTERIAL CAPTURE EFFICIENCY OF IMMUNO BEADS: A COMPARISON BETWEEN BEADS WITH DIFFERENT SIZE AND DENSITY- (15-Jul-03)
	FACTORS AFFECTING THE BACTERIAL CAPTURE EFFICIENCY OF IMMUNO BEADS: A COMPARISON BETWEEN BEADS WITH DIFFERENT SIZE AND DENSITY- (27-Apr-03)
	SIMULTANEOUS DETECTION OF ESCHERICHIA COLI 0157:H7 AND SALMONELLA TYPHIMURIUM IN FOODS USING IMMUNOMAGNETIC CAPTURE AND LANTHANIDE TIME-RESOLVED FLUORESCENCE- (16-Mar-03)
	RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 ADN SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE- (14-Mar-03)
	SIMULTANEOUS DETECTION OF ESCHERICHIA COLI 0157:H7 AND SALMONELLA TYPHIMURIUM IN FOODS USING IMMUNOMAGNETIC CAPTURE AND LANTHANIDE TIME-RESOLVED FLUORESCENCE- (11-Jan-03)
	THE CAPTURE OF ESCHERICHIA COLI 0157:H7 FOR LIGHT ADDRESSABLE POTENTIOMETRIC SENSOR (LAPS) USING TWO DIFFERENT TYPES OF MAGNETIC BEADS- (01-Oct-02)
	DEVELOPMENT OF BIOSENSOR PROCESSES FOR RAPID, SPECIFIC AND SENSITIVE DETECTION OF PATHOGENIC BACTERIA IN FOODS- (01-May-02)
	THE USE OF TIME-RESOLVED FLUOROIMMUNOASSAY TO SIMULTANEOUSLY DETECT ESCHERICHIA COLI 0157:H7, SALMONELLA TYPHIMURIUM AND SALMONELLA ENTERIDITISIN FOODS- (01-Apr-02)
	APPLICATIONS OF TIME-RESOLVED FLUOROIMMUNOASSAY TO DETECT MAGNETIC BEAD CAPTURED ESCHERICHIA COLI O157:H7- (01-Aug-01)
	DETECTION OF IMMUNOMAGNETICALLY CAPTURED ESCHERICHIA COLI O157:H7 BY ANTIBODY-CONJUGATED ALKALINE PHOSPHATASE- (01-Apr-01)
	RAPID AND SENSITIVE MEASURES OF INTRACEULLUAR PH IN MAIZE ROOT TISSUE BY A-METHYL FLUORINATED ALANINES AND (19)F NMR SPECTROSCOPY- (22-Jun-04)
	EFFECT OF BACTERIAL PROTEIN EXTRACTION REAGENT AND SODIUM AZIDE ON THE DETECTION OF ESCHERICHIA COLI 0157:H7 USING IMMUNOMAGNETIC-ELECTROCHEMILUMINESCENCE- (23-Feb-04)
	BLOCKING NON-SPECIFIC ADSORPTION OF NATIVE FOOD-BORNE MICROORGANISMS BY IMMUNO-MAGNETIC BEADS WITH IOTA-CARRAGEENAN- (30-Oct-03)
	IMMUNO-MAGNETIC BEAD MASS TRANSPORT II: CAPTURE EFFICIENCY AT HIGH TARGET CELL DENSITIES IN PHOSPHATE-BUFFERED SALINE- (01-Oct-03)
	A SIMPLE MAXIMUM PROBABILITY RESOLUTION ALGORITHM FOR MOST PROBABLE NUMBER ANALYSIS USING MICROSOFT EXCEL- (13-Jul-01)
	DETECTION OF ESCHERICHIA COLI 0157:H7 IN FOOD BY A MICROPLATE SANDWICH IMMUNOASSAY USING TIME-RESOLVED FLUOROMETRY- (10-Sep-03)
	ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENT DETECTION OF ESCHERICHIA COLI 0157:H7- (13-Jan-03)
	EVIDENCE FOR BUOYANCY-DEPENDENT IMB-SALMONELLA COMPLEX LOSSES DURING MAGNETIC PHASE SEPARATION- (15-Feb-02)