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                    U.S. DEPARTMENT OF AGRICULTURE
 Microbial and Chemical Food Safety: Wyndmoor, PA
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ARS Home Northeast Area Wyndmoor, Pennsylvania Eastern Regional Research Center Microbial and Chemical Food Safety People & Locations







Guoying  Chen
                        Microbial and Chemical Food Safety

                        




                        
                        RESEARCH CHEMIST
                        Phone: (215) 233-6495
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsTechnology Development, Evaluation and Validation for the Detection and Characterization of Chemical Contaminants in Foods
                                                    In-House Appropriated
                                                                    (D)Accession Number: 439576**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Ultratrace mercury speciation analysis in rice by on-line solid phase extraction-liquid chromatography-atomic fluorescence spectrometry
                                                        

- (Peer Reviewed Journal)Yao, Z., Li, X., Liu, J., Mao, X., Chen, G. 2022. Ultratrace mercury speciation analysis in rice by on-line solid phase extraction-liquid chromatography-atomic fluorescence spectrometry. Journal of Food Analytical Methods. https://doi.org/10.1016/j.foodchem.2022.132116.Novel dielectric barrier discharge trap of arsenic introduced by electrothermal vaporization: the possible mechanism and its application
                                                        

- (Peer Reviewed Journal)Gu, S., Huang, X., Chen, M., Liu, J., Mao, X., Na, X., Chen, G., Shao, Y. 2021. Novel dielectric barrier discharge trap of arsenic introduced by electrothermal vaporization: the possible mechanism and its application. Analytical Chemistry. https://doi.org/10.1021/acs.analchem.1c03079.Review of Miniaturized and Portable Optical Emission Spectrometry Based on Microplasma for Elemental Analysis
                                                        

- (Review Article)Zhang, Y., Liu, J., Mao, X., Chen, G., Tian, D. 2021. Review of Miniaturized and Portable Optical Emission Spectrometry Based on Microplasma for Elemental Analysis. Trends in Analytical Chemistry. 116437. https://doi.org/10.1016/j.trac.2021.116437.Effect of Water Activity on Inactivation of Listeria monocytogenes Using Gaseous Chlorine Dioxide – A Kinetic Analysis
                                                        

- (Peer Reviewed Journal)Hyeon-Woo, P., Chen, G., Hwang, C., Huang, L. 2020. Effect of water activity on inactivation of listeria monocytogenes using gaseous chlorine dioxide – A kinetic analysis. Food Microbiology. 95:103707. https://doi.org/10.1016/j.fm.2020.103707.A novel strategy of anti-interference for solid dilution in elemental analysis using spontaneous surface dispersion theory
                                                        

- (Peer Reviewed Journal)Wang, B., Liu, T., Liu, J., Mao, X., Na, X., Chen, G., Liu, M., Qian, Y. 2020. A novel strategy of anti-interference for solid dilution in elemental analysis using spontaneous surface dispersion theory. Atomic Spectroscopy. 41(3):119-126. https://www.researchgate.net/publication/342639027.A portable and field optical emission spectrometry coupled with microplasma trap for high sensitivity analysis of arsenic and antimony simultaneously
                                                        

- (Peer Reviewed Journal)Ji, M., Jixin, L., Xuefei, M., Chen, G., Chunsheng, L., Yongzhong, Q. 2020. A portable and field optical emission spectrometry coupled with microplasma trap for high sensitivity analysis of arsenic and antimony simultaneously. Talanta. available online:Talanta 218 (2020)121161. https://doi.org/10.1016/j.talanta.2020.121161.On-line microplasma decomposition of gaseous phase interference for solid sampling mercury analysis in aquatic food samples
                                                        

- (Peer Reviewed Journal)Liu, T., Liu, M., Liu, J., Mao, X., Zhang, S., Shao, Y., Na, X., Chen, G., Qian, Y. 2020. On-line microplasma decomposition of gaseous phase interference for solid sampling mercury analysis in aquatic food samples. Analytica Chimica Acta. 1121/42-49. https://doi.org/10.1016/j.aca.2020.04.057.Brief soaking at above-gelatinization temperature reduces inorganic arsenic in cooked rice
                                                        

- (Peer Reviewed Journal)Chen, G., Lai, B., Chen, T., Mao, X. 2020. Brief soaking at above-gelatinization temperature reduces inorganic arsenic in cooked rice. Cereal Chemistry. https://doi.org/10.1002/cche.10304.Determination of arsenic in biological samples by slurry sampling hydride generation atomic fluorescence spectrometry using in-situ dielectric barrier discharge trap
                                                        

- (Peer Reviewed Journal)Liu, M., Ding, L., Liu, J., Mao, X., Na, X., Chen, G., Qian, Y. 2019. Determination of arsenic in biological samples by slurry sampling hydride generation atomic fluorescence spectrometry using in-situ dielectric barrier discharge trap. Journal of Analytical Atomic Spectrometry. https://doi.org/10.1039/C8JA00374B.Dispersive solid phase extraction with imidazole ionic liquid modified mesoporous silica SBA15 for selective separation and determination of inorganic arsenic in rice
                                                        

- (Peer Reviewed Journal)Chen, T., Zhen, W., Kang, B., Yan, Z., Luo, J., Ding, L., Chen, G. 2018. Dispersive solid phase extraction with imidazole ionic liquid modified mesoporous silica SBA15 for selective separation and determination of inorganic arsenic in rice. Journal of Agricultural and Food Chemistry. 37(12): 2024-2035. https://doi.org/10.14102/j.cnki.0254-5861.2011-2201.Antifungal activity and action mechanism of ginger oleoresin against Pestalotiopsis Microspora isolated from Chinese olive fruits
                                                        

- (Peer Reviewed Journal)Chen, T., Lu, J., Kang, B., Lin, M., Ding, L., Zhang, L., Chen, G., Chen, S., Lin, H. 2018. Antifungal activity and action mechanism of ginger oleoresin against Pestalotiopsis Microspora isolated from Chinese olive fruits. Frontiers in Microbiology. https://doi.org/10.3389/fmicb.2018.02583.Reflux open-vessel digestion system can overcome volatilization loss in mercury speciation analysis
                                                        

- (Peer Reviewed Journal)Chen, G., Lai, B., Mei, N. 2018. Reflux open-vessel digestion system can overcome volatilization loss in mercury speciation analysis. Talanta. 191:209-215. https://doi.org/10.1016/j.talanta.2018.08.052.An in-situ dielectric barrier discharge trap for ultrasensitive arsenic determination by atomic fluorescence spectrometry
                                                        

- (Peer Reviewed Journal)Qi, Y., Mao, X., Liu, J., Na, X., Chen, G., Liu, M., Zheng, C., Qian, Y. 2018. An in-situ dielectric barrier discharge trap for ultrasensitive arsenic determination by atomic fluorescence spectrometry. Analytical Chemistry. 90:6332-6338. https://doi.org/10.1021/acs.analchem.8b01199.Speciation of mercury in fish by photochemical vapor generation-atomic fluorescence spectrometry
                                                        

- (Peer Reviewed Journal)Chen, G., Mei, N., Lai, B. 2017. Speciation of mercury in fish by photochemical vapor generation-atomic fluorescence spectrometry. Spectrochimica Acta B. 137:1-7. https://doi.org/10.1016/j.sab.2017.09.007.Mercury speciation by differential photochemical vapor generation at UV-B vs. UV-C wavelength

- (Peer Reviewed Journal)Chen, G., Lai, B., Mei, N., Liu, J., Mao, X. 2017. Mercury speciation by differential photochemical vapor generation at UV-B vs. UV-C wavelength. Spectrochimica Acta B. https://doi.org/10.1016/j.sab.2017.09.007.Speciation of trace mercury impurities in fish oil supplements

- (Peer Reviewed Journal)Mei, N., Lai, B., Liu, J., Mao, X., Chen, G. 2017. Speciation of trace mercury impurities in fish oil supplements. Food Control. 8:221-225.Determination of inorganic arsenic in algae using bromine halogenation and on-line nonpolar solid phase extraction followed by hydride generation atomic flourescence spectrometry

- (Peer Reviewed Journal)Zhang, W., Qi, Y., Qin, D., Liu, J., Mao, X., Chen, G., Wei, C., Qian, Y. 2017. Determination of inorganic arsenic in algae using bromine halogenation and on-line nonpolar solid phase extraction followed by hydride generation atomic flourescence spectrometry. Talanta. 170:152-157.Hg speciation by differential photochemical vapor generation at UV-B and UV-C wavelengths

- (Abstract Only)Chen, G., Lai, B., Mei, N., Liu, J., Mao, X. 2016. Hg speciation by differential photochemical vapor generation at UV-B and UV-C wavelengths [abstract]. American Chemical Society National Meeting. 252(16):1.Effects of compost amended lead-arsenate contaminated soils on total and inorganic arsenic concentration in rice

- (Peer Reviewed Journal)Codling, E.E., Chen, G. 2017. Effects of compost amended lead-arsenate contaminated soils on total and inorganic arsenic concentration in rice. Journal of Plant Nutrition. 40(15):2146-2155.Ambient-temperature trap/release of arsenic by dielectric barrier discharge and its application to ultratrace arsenic determination in surface water followed by atomic fluorescence spectrometry

- (Peer Reviewed Journal)Mao, X., Qi, Y., Huang, J., Liu, J., Chen, G., Na, X., Wang, M., Qian, Y. 2016. Ambient-temperature trap/release of arsenic by dielectric barrier discharge and its application to ultratrace arsenic determination in surface water followed by atomic fluorescence spectrometry. Analytical Chemistry. 88(7):4147-4152.  doi: 10.1021/acs.analchem.6b00506.Speciation of AsIII and AsV in fruit juices by dispersive liquid–liquid microextraction and hydride generation-atomic fluorescence spectrometry
                                                        

- (Peer Reviewed Journal)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
                                                        

- (Peer Reviewed Journal)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
                                                        

- (Peer Reviewed Journal)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
                                                        

- (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.2007.10.046Oxytetracycline 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-7Design 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. #2030-4A 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.


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