Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

Guoying Chen
Residue Chemistry and Predictive Microbiology Research
Chemistry

Phone: (215) 233-6495
Fax: (215) 233-6581

Room 1125.2
600 E. MERMAID LANE
ERRC
WYNDMOOR , PA 190388598

Projects
Development, Evaluation, and Validation of Technologies for the Detection and Characterization of Chemical Contaminants in Foods
Appropriated (D)
  Accession Number: 430153
Development of Testing Technologies for Chemical Residues and Data Processing and Mining Method for Risk Assessment
Nonfunded Cooperative Agreement (N)
  Accession Number: 428698

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Speciation of AsIII and AsV in fruit juices by dispersive liquid–liquid microextraction and hydride generation-atomic fluorescence spectrometry Reprint Icon -
Lai, G., Chen, G. 2015. Speciation of AsIII and AsV in fruit juices by dispersive liquid–liquid microextraction and hydride generation-atomic fluorescence spectrometry. Journal of Food Chemistry. DOI: 10.1016/j.foodchem.2015.05.052.
Inorganic arsenic in starchy roots, tubers, and plantain and assessment of cancer risk of sub-Saharan African populations Reprint Icon -
Chen, T., Huang, L., Lai, G., Chen, G. 2015. Inorganic arsenic in starchy roots, tubers, and plantain and assessment of cancer risk of sub-Saharan African populations. Food Control. DOI: 10.1016/j.foodcont.2015.01.016.
Rapid screening of oxytetracycline residue in catfish muscle by dispersive liquid-liquid microextraction and europium-sensitized luminescence Reprint Icon -
Lai, G., Chen, G., Chen, T., Li, Q. 2015. Rapid screening of oxytetracycline residue in catfish muscle by dispersive liquid-liquid microextraction and europium-sensitized luminescence. Journal of Food Analytical Methods. DOI: 10.1007/s12161-014-0076-4.
SPE speciation of inorganic arsenic in rice followed by hydride-generation atomic fluorescence spectrometric quantification Reprint Icon -
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 Reprint Icon -
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 Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Chen, G. 2006. Led-based tetracyline analyzer for field analysis. Proceedings SPIE. 6377.
ANALYSIS OF OXYTETRACYCLINE IN SURFACE WATER USING A PORTABLE ANALYZER -
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 -
Chen, G. 2006. Led-based portable tetracycline-specific analyzer. Optic East 2006 Proceedings.
APPLICATION OF A TETRACYCLINE ANALYZER IN FOOD, AQUACULTURAL AND ENVIRONMENTAL ANALYSIS -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
CHEN, G., SCHNEIDER, M.J. DETECTION OF EUROFLOXACIN IN CHICKEN MUSCLE BY SPECTROFLUORIMETRIC METHODS. PITTSBURGH CONFERENCE. ABSTRACT. P. 404. 2003.
Last Modified: 5/2/2016
Footer Content Back to Top of Page