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United States Department of Agriculture

Agricultural Research Service

Related Topics

Guoying Chen
Residue Chemistry and Predictive Microbiology
Research Chemist

Phone: (215) 233-6495
Fax: (215) 233-6581
Room 1125.2
600 E. MERMAID LANE
ERRC
WYNDMOOR, PA, 19038-8598

Projects
TECHNOLOGIES FOR THE DETECTION OF CHEMICAL AND BIOLOGICAL CONTAMINANTS IN FOODS
Appropriated (D)
  Accession Number: 421012

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
SPE speciation of inorganic arsenic in rice followed by hydride-generation atomic fluorescence spectrometric quantification - (Peer Reviewed Journal)
Chen, G., Chen, T. 2014. SPE speciation of inorganic arsenic in rice followed by hydride-generation atomic fluorescence spectrometric quantification. Talanta. 119:202-206.
Luminescence screening of enrofloxacin and ciprofloxacin residues in swine liver after dispersive liquid - liquid microextraction cleanup - (Peer Reviewed Journal)
Chen, G., Li, Q. 2013. Luminescence screening of enrofloxacin and ciprofloxacin residues in swine liver after dispersive liquid - liquid microextraction cleanup. Journal of Agricultural and Food Chemistry. 61:98-102.
Prevalence of veterinary drug residues and heavy metals in catfish nuggets - (Peer Reviewed Journal)
Ozbay, G., Babu, B., Chen, G. 2012. Prevalence of veterinary drug residues and heavy metals in catfish nuggets. Journal of Food Processing and Technology. doi:10.4172/2157-7110.S11-005.
Determination of oxytetracycline residue in shrimp using a portable time-resolved analyzer and HPLC-MS/MS validation - (Peer Reviewed Journal)
Chen, G. 2012. Determination of oxytetracycline residue in shrimp using a portable time-resolved analyzer and HPLC-MS/MS validation. Sensing and Instrumentation for Food Quality and Safety. 5:165-171.
Screening of fluoroquinolone residues in caprine milk using a 5-kg luminescence photometer - (Peer Reviewed Journal)
Chen, G. 2011. Screening of fluoroquinolone residues in caprine milk using a 5-kg luminescence photometer. Journal of Food Analytical Methods. 5:1114–1120.
A 5-kg time-resolved luminescence photometer with multiple excitation sources - (Peer Reviewed Journal)
Chen, G. 2012. A 5-kg time-resolved luminescence photometer with multiple excitation sources. Journal of Applied Spectroscopy. 66(33):341-346.
Use of a portable time-resolved fluorometer to determine oxytetracycline residue in four fruit crops - (Peer Reviewed Journal)
Chen, G., Liu Guyu 2011. Use of a portable time-resolved fluorometer to determine oxytetracycline residue in four fruit crops. Food Chemistry. 127:264-269.
Screening of Danofloxacin residue in bovine tissue by terbium-sensitized luminescence on C18 sorbent strips - (Peer Reviewed Journal)
Chen, G., Du, Y. 2011. Screening of Danofloxacin residue in bovine tissue by terbium-sensitized luminescence on C18 sorbent strips. Journal of Agricultural and Food Chemistry. 59:1058-1062.
Fluorometer with a quartz-rod waveguide-integrating sphere configuration to measure evanescent-field luminescence - (Abstract Only)
Chen, G. 2010. Fluorometer with a quartz-rod waveguide-integrating sphere configuration to measure evanescent-field luminescence [Abstract]. Symposium on Luminescence Spectrometry.
Hplc Determination and Ms Confirmation of Malachite Green, Gentian Violet, and Their Leuco Metabolites in Catfish Muscle - (Peer Reviewed Journal)
Chen, G., Miao, S. 2010. HPLC Determination and MS Confirmation of Malachite Green, Gentian Violet, and Their Leuco Metabolites in Catfish Muscle. Journal of Agricultural and Food Chemistry.(58):7109-7114.
Fluorescence screening of leucomalachite green and leucogentian violet residues in catfish - (Abstract Only)
Chen, G., Shui, M. 2009. Fluorescence screening of leucomalachite green and leucogentian violet residues in catfish [Abstract].American Chemical Society.
Analysis of oxytetracycline residue in salmon muscle using a portable analyzer based on Eu III luminescence - (Peer Reviewed Journal)
Chen, G. 2009. Analysis of oxytetracycline residue in salmon muscle using a portable analyzer based on Eu III luminescence. Journal of Food Additives & Contaminants. (26):1172-1179.
Portable tetracycline analyzer based on LED-excitation europium-sensitized luminescence - (Peer Reviewed Journal)
Chen, G. 2007. Portable tetracycline analyzer based on LED-excitation europium-sensitized luminescence. Sensors and Actuators B: Chemical. Available:http:www.sciencedirect//doi:10.1016/j.snb.2007.10.046
Oxytetracycline Analysis in Honey Using a Portable Specific Analyzer - (Proceedings)
Chen, G., Schwartz, D.P., Nunez, A. 2007. Oxytetracycline Analysis in Honey Using a Portable Specific Analyzer. Proceedings of SPIE.6761:67610K-1-67610K-7
Design of a portable fluoroquinolone analyzer based on terbium-sensitized luminescence - (Proceedings)
Chen, G. 2007. Design of a portable fluoroquinolone analyzer based on terbium-sensitized luminescence. Proceedings of SPIE.6756:675605-1-675605-7.
Led-Based Tetracyline Analyzer for Field Analysis - (Proceedings)
Chen, G. 2006. Led-based tetracyline analyzer for field analysis. Proceedings SPIE. 6377.
Analysis of Oxytetracycline in Surface Water Using a Portable Analyzer - (Proceedings)
Chen, G., Qin, F. 2006. Analysis of oxytetracycline in surface water using a portable analyzer. Proceedings SPIE 6378, 6378W.
Led-Based Portable Tetracycline-Specific Analyzer - (Abstract Only)
Chen, G. 2006. Led-based portable tetracycline-specific analyzer. Optic East 2006 Proceedings.
Application of a Tetracycline Analyzer in Food, Aquacultural and Environmental Analysis - (Abstract Only)
Chen, G. 2006. Application of a tetracycline analyzer in food, aquacultural and environmental analysis. Meeting Abstract.
Oxytetracycline Analysis in Environmental Waters Using a Specific Portable Analyzer - (Abstract Only)
Chen, G., Qin, F. 2006. Oxytetracycline analysis in environmental waters using a specific portable analyzer. Meeting Abstract.
Time-Resolved Luminesence Screening of Antibiotics in Tissue Matrices Without Centrifugation and Filtration - (Peer Reviewed Journal)
Chen, G., Smith, E., Qin, F., Liu, L.S. 2006. Time-resolved luminesence screening of antibiotics in tissue matrices without centrifugation and filtration. Journal of Agricultural and Food Chemistry. 54:3225-3230.
Pectin Gel Vehicles for Citronellal Delivery - (Peer Reviewed Journal)
Liu, L.S., Chen, G., Fishman, M.L., Hicks, K.B. Pectin gel vehicles for citronellal delivery. Controlled Release Journal.2005. Drug Delivery. 12:p.149-157.
Antibiotic Screening in Animal Muscle Without Centrifugation and Filtration - (Abstract Only)
Chen, G., Liu, L.S., Smith, E. 2006. Antibiotic screening in animal muscle without centrifugation and filtration. Pittcon 2006 Abstract. #2030-4
A Single Sorbent for Tetracycline Enrichment and Following Solid-Matrix Time-Resolved Luminescence - (Peer Reviewed Journal)
Liu, L.S., Chen, G., Fishman, M.L. A single sorbent for tetracycline enrichment and following solid-matrix time-resolved luminescence. 2005. Analytica Chimica Acta:528: p.261-268.
Profile Optimization of Tapered Waveguide Sensors by Luminescence Imaging - (Proceedings)
Chen, G. 2004. Profile optimization of tapered waveguide sensors by luminescence imaging. Proceedings of SPIE.
Luminescence Imaging As a Tool in Profile Optimization of Taper Quartz-Rod Waveguides - (Proceedings)
Chen, G. 2004. Luminescence imaging as a tool in profile optimization of taper quartz-rod waveguides. Meeting Abstract.
Hyphenation of C18 Solid-Phase Microextraction and Time-Resolved Luminescence Using Tetracycline in Milk As a Model Analyte - (Peer Reviewed Journal)
Chen, G., Liu, L.S. 2004. Hyphenation of c18 sorbent extraction and solid-matrix time-resolved luminescence using tetracycline in milk as a model analyte. J. Agri. Food Chem. 52. pp. 7199-7205.
Time-Resolved Luminescence Screening Assay for Tetracyclines in Chicken Muscle - (Peer Reviewed Journal)
Schneider, M.J., Chen, G. 2004. Time-resolved luminescence screening assay for tetracyclines in chicken muscle. Analytica Chimica Acta.
Design of a Portable Fluorometer Capable of Time-Resolved Luminescence Measurements - (Abstract Only)
Chen, G. 2004. Design of a portable fluorometer capable of time-resolved luminescence measurements. Meeting Abstract.
Europium-Sensitized Luminescence Determination of Oxytetracycline in Catfish Muscle - (Peer Reviewed Journal)
Chen, G., Schneider, M.J., Darwish, A.M., Lehotay, S.J., Freeman, D.W. 2004. Europium-sensitized luminescence determination of oxytetracycline in catfish muscle. Talanta. 64. pp. 252-257.
Fluorescence Screening Assays for Tetracyclines in Chicken Muscle - (Proceedings)
Schneider, M.J., Chen, G. 2004. Fluorescence screening assays for tetracyclines in chicken muscle. Euroresidue Conference Proceedings.
High-Throughput Screening of Enrofloxacin in Chicken Muscle by Spectrofluorimetry - (Other)
CHEN, G., SCHNEIDER, M.J. HIGH-THROUGHPUT SCREENING OF ENROFLOXACIN IN CHICKEN MUSCLE BY SPECTROFLUORIMETRY. FeedInfo News Service. 2003.
A Rapid Spectrofluorometric Screening Method for Enrofloxacin in Chicken Muscle - (Peer Reviewed Journal)
CHEN, G., SCHNEIDER, M.J. A RAPID SPECTROFLUOROMETRIC SCREENING METHOD FOR ENROFLOXACIN IN CHICKEN MUSCLE. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. 2003. v. 51. p. 3249-3253.
Detection of Eurofloxacin in Chicken Muscle by Spectrofluorimetric Methods - (Abstract Only)
CHEN, G., SCHNEIDER, M.J. DETECTION OF EUROFLOXACIN IN CHICKEN MUSCLE BY SPECTROFLUORIMETRIC METHODS. PITTSBURGH CONFERENCE. ABSTRACT. P. 404. 2003.
Last Modified: 10/30/2014