2018

Bolten,S., Clotilde, L., Gulbronson, C., Gu, G., Luo, Y., Micallef, S. A., Zografos, A., Nou., X. 2018. Detachment Kinetics of Escherichia coli O157:H7 and Nonliving Surrogate from Surface of Spinach. International Association for Food Protection Annual Meeting, Salt Lake City, UT.

Bornhorst E.R., Luo Y., Park E., Vinyard B.T., Nou X., Zhou B., Turner E., Teng Z., and P.D. Millner. 2018. Evaluation of commercial washing processes for fresh-cut produce: traditional flume and novel single pass systems. Institute of Food Technologist Annual Meeting, Chicago, IL.

Bornhorst E.R., Park E., Zhou B., Hutton, B.T., Simko, I., and Luo Y. 2018. Comparison of the Browning Potential of Fresh-cut Romaine Lettuce Cultivars during Cold Storage, Beltsville Agricultural Research Center Poster Day, Beltsville, MD.

Bornhorst E.R., Park E., Zhou B., Turner E., Simko I., and Y. Luo. 2018. Comparison of the browning potential of fresh-cut Romaine lettuce during cold storage. American Society for Horticultural Science Annual Meeting, Washington, DC.

Brecht, J.K., Xie, Y., Luo, Y., Bornhorst, E., Vorst, K., Brown, W. 2018. Closed-door refrigerated retail display cases for whole and fresh-cut produce: Are temperature management and product quality improved? American Society for Horticultural Science Annual Meeting, Washington, D.C., August 2, 2018.

de Frias, J.A., Luo, Y., Zhou, B., Turner, E., Millner, P.D. and Nou, X. 2018. Food quality and safety assessment of packaged leafy greens after storage in a refrigerated display case with doors. American Society for Horticultural Science Annual Meeting, Washington, DC.

Gu, G., Ottesen, A., Bolten, S., Wang, L., Luo, Y., Rideout, S., Lyu, S., Brown, E., Nou, X. 2018. Effect of Routine Sanitation and Surface Material on the Shift in Microbial Communities in Fresh Produce Processing Environments. International Association for Food Protection Annual Meeting, Salt Lake City, UT.

Gu, G., Yin, H., Ottesen, A., Bolten,S., Patel, J., Rideout, S., Nou, X. 2018. Dynamics of Microbial Communities on Spinach Irrigated by Ground Water, Reclaimed Water, and Roof-harvest Water. International Association for Food Protection Annual Meeting, Salt Lake City, UT.

Gu, G., Xu, Y., Zheng, J., Bolten, S., Reed, E., Luo, Y., Nou, X. 2018. RNA-Seq analyses on Listeria monocytogene and Ralstonia insidiosa mono- and dual-species growth and biofilm formation. American Society for Microbiology Annual Meeting, Atlanta, GA.

Huang, J., Zhou, B., Zheng, J., Nou, X., and Luo, Y. 2018. Survival and Growth of Salmonella and Listeria Monocytogenes on Fresh-Cut Fruits and Radish under Different Temperature Abuse Conditions. American Society for Horticultural Science Annual Meeting, Washington, DC.

Hutton, B.T., Bornhorst E.R., Park E., and Luo Y. 2018. Image analysis of fresh-cut produce to determine visual quality, Beltsville Agricultural Research Center Poster Day, Beltsville, MD.

Liu, X., Yang, M., Luo, Y., and Zhang, B. 2018. Detection of Foodborne Pathogens via Paper Chromogenic Array. Institute of Food Technologist Annual Meeting, Chicago, IL and Gordon Research Conference, South Hadley, MA.

Luo, Y. 2018. Challenges and research opportunities for maintaining food safety and quality of fresh produce during washing, packing, and retail display. 2^nd 1890 Association of Research Directors and United States Department of Agriculture, Agricultural Research Service Food Safety Symposium, Beltsville, MD.

Millner, P.D. 2018. Fresh and fresh-cut produce food safety- meeting technical challenges with advances. American Society for Horticultural Science Annual Meeting, Washington, DC.

Nou, X., Bolten, S., Gu, G., Van Haute, S., Zhou, B., Millner, P.D., and Luo, Y. 2018. Prevention of Salmonella contamination on tomatoes during simulated dump-tank washing. American Society for Horticultural Science Annual Meeting, Washington, DC.

Nou, X. 2018. Spinach microbiome shifts following chlorine wash and ensuing storage. University of Maryland Plant Symposium- Joint Symposium with the American Society of Plant Biologists, College Park, MD.

Teng, Z., Van haute, S., Zhou, B., Hapeman, C., Millner, P., Wang, Q., and Luo, Y. 2018. Identity, Prevalence, and Chlorine Demand of Major Organic Compounds in Fresh Produce Wash Water. Beltsville Agricultural Research Center Poster Day, Beltsville, MD.

Teng, Z., Van haute, S., Zhou, B., Hapeman, C., Millner, P., Wang, Q., and Luo, Y. 2018. Investigation on the major sources of organic load and chlorine demand in fresh-cut product wash water. American Society of Horticultural Science Annual Meeting, Washington, DC.

Zhang, B., Luo, Y., Liu, X., Yang, M. 2018. Novel strategy for rapid quantification of viable pathogens - electrochemical BioMEMS. Institute of Food Technologist Annual Meeting, Chicago, IL.

Zhou, B., Luo, Y., Huang, L., Yan, H., and Huang, J. 2018. Exposure to elevated temperatures during early vs late storage, differently affects the rate of microbial quality deterioration in commercially packaged baby spinach. Beltsville Agricultural Research Center Poster Day, Beltsville, MD.

Luo, Y. 2018. Food safety innovations and preventive controls during fresh and fresh-cut produce washing, packing, and retail display. USDA-NIFA Project Director’s Workshop, Washington DC. 

Luo, Y. 2018. Key factors affecting bacterial survival and transfer during post-harvest water applications. Institute of Food Technologist Annual Meeting, Chicago, IL.

Luo, Y. 2018. Urban Agriculture- food safety and nutrition challenges and opportunities. Beltsville Agricultural Research Center Symposium, Beltsville, MD.

Luo, Y., Van Haute, S., Zhou, B., Teng, Z., and Millner, P.D. 2018. Tomato dump tank water monitoring. United Fresh Produce Association Webinar Series.

 

2017

Bourouiba, L. and Wang Y. 2017. Binary drop interaction on surfaces: onset and bounding ligaments of Crescent-Moon fragmentation. Oral presentation, 70th Annual Meeting of the Division of Fluid Dynamics of the American Physical Society, Denver, CO.

Gu, G., Bolten, S., Wang, L., Rideout, S., and Nou, X. 2017. Impact of Washing Process and Storage on the Shift of Spinach Microbiota. Poster presentation, International Association for Food Protection Annual Meeting, Tampa, FL.

Gu, G., Ottesen, A., Bolten, S., Wang, L., Ramachandran, P., Reed, E., Rideout, S., Luo, Y., Brown, E., and Nou, X. 2017. Shift in Microbial Communities in Fresh Produce Processing Environments Before and After Routine Sanitization. Poster presentation, Joint conference of the Capital Area Food Protection Association and DC chapter of the American Society of Microbiology, College Park, MD.

Luo, Y. 2017. Improving food quality and safety during fresh-cut produce washing and retail display. Fresh-Cut Products Workshop: The Science and Art of Quality and Safety, Davis, CA.

Luo, Y., Zhou, B., Zhang, B., Nou, X., Van Haute, S., Turner, E., Teng, Z., Wang, Q., and Millner, P.D. 2017. Dynamic changes in water quality and microbial survival during commercial fresh-cut produce wash operations. International Association for Food Protection Annual Meeting, Tampa, FL.

Min, D., Fischer, P. F., and Pearlstein, A. J. 2017. Wash-away of contaminant downstream of a backward-facing step over a range of Schmidt number. Presentation, 70th Annual Meeting of the Division of Fluid Dynamics of the American Physical Society, Denver, CO.

Nyarko, E., Kniel, K., Zhou, B., East, C., Handy, E., Luo, Y., Millner, P., and Sharma, M. 2017. Practices and Conditions Which Promote Persistence of Listeria monocytogenes on Equipment Surfaces and Transfer to Cantaloupes in the Packing Environment. Poster presentation, International Association of Food Protection Annual Meeting, Tampa, FL.

Luo, Y., Zhou,  B., Zhang, B., Nou, X., Van Haute, S., Turner, E., Teng, Z., Wang, Q., and Millner, P. 2017. Dynamic Changes in Water Quality and Microbial Survival during Commercial Fresh-cut Produce Wash Operation. Poster presentation, International Association of Food Protection Annual Meeting, Tampa, FL.

Sun, X.N., Zhou, B., Luo, Y., Baldwin, E.A., Ference, C., Bai, J., and Harrison, K. 2017. Effects of controlled-release chlorine dioxide on the preservation of cherry/grape tomatoes. Florida State Horticulture Society Annual Conference, Tampa, FL.

Teng, Z., Luo, Y., Alborzi, S., Zhou, B., Zhang, B., Millner, P., and Wang, Q. 2017. Chlorine-based Inactivation of Escherichia coli O157:H7:  Impact of Residual-free Chlorine Content, Organic Load, Residence Time, and pH. Poster presentation, International Association of Food Protection Annual Meeting, Tampa, FL; Beltsville Agricultural Research Center Poster Day, Beltsville, MD.

Teng, Z., Luo, Y., Alborzi, S., Zhou, B., Zhang, B., Millner, P.D., and Wang, Q. 2017. Chlorine-based inactivation of E. coli O157:H7: Impact of residual free chlorine content, organic load, residence time, and pH. International Association for Food Protection Annual Meeting, Tampa, FL.

Wang, Y., and Bourouiba, L. 2017. Unified thickness profile of radially expanding sheets in the air. Oral presentation, 70th Annual Meeting of the Division of Fluid Dynamics of the American Physical Society, Denver, CO.

Zhang, B. and Luo, Y. 2017. Tackling food waste challenge with nanotechnology: controllable ripening via metal-organic framework. 19th International Conference on Food Safety, Control and Toxic Components, Boston, MA.

Zhou, B., Luo, Y., Bauchan, G., Feng, H., and Stommel, J. 2017.Visualizing Pathogen Internalization Pathways in Fresh Tomatoes Using a Confocal Laser Scanning Microscope and a Micro CT. Poster presentation, International Association of Food Protection Annual Meeting, Tampa, FL.

2016

Zhou, B., Luo, Y., Zhang, B., Teng, Z., Turner, E., Nou, X., Millner, P.D., and Qin, J. 2016. Quality analysis of produce wash water in commercial flume wash system. International Association for Food Protection Annual Meeting, St. Louis, MO.

2015 

De Frias, A., Luo, Y., Zhou, B., Nou, X., Millner, P., Wang, Q. A simple and cost-effective solution to maintain fresh-cut produce quality and safety during retail display. Poster presentation, United Fresh Produce Association Conference, Chicago, IL, June 2015. 

De Frias, A., Zhang, B. Creating graphs in Excel® and Matlab®, and image enhancements with Adobe®. Oral presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

De Frias, A., Luo, Y. Modification of retail open refrigerated display cabinets result in significant energy savings, compliance with Food Code, and improved food quality and safety. Oral presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

De Frias, A., Luo, Y., Kou, L., Zhou, B. Retrofitting open refrigerated display cases with doors for packaged greens: greater compliance with FDA food code and improved food quality. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

Zhang, B., Luo, Y., Millner, P. A novel microfluidic mixer-based approach for determining subsecond inactivation kinetics of Escherichia coli O157:H7 to prevent cross-contamination. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

Zhang, B., Luo, Y., Pearlstein, A., Bauchan, G., Nou, X., Wang Q., Millner, P. Fabrication of biomimetically patterned surfaces and their application to probing plant-bacteria interactions. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

Zhou, B., Luo, Y., De Frias, A., Nou, X., Millner, P., Wang, Q. Fate of human pathogens in packaged leafy greens stored in a refrigerated display cabinet with doors. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2015. 

2014 

Bevington, R., Nolte, K.D. and Ravishankar, R. Best methods to present research information via video formats to a public audience. Abstract published in the Proceedings of the 2014 American Society for Horticultural Science Annual Meeting, Orlando, FL, July 2014. 

De Frias, J. A., Kou, L., Ingram, D., and Luo, Y. Modification of retail open refrigerated display cabinets result in significant energy savings, compliance with Food Code, and improved product quality. Invited presentation at the Food and Drug Administration. College Park, MD, 2014. 

Kou, L., Luo., Y., Ingram, D.T., Zhou, B., Jurick, W. M. Enhancing food safety and quality of fresh-cut produce by improving temperature uniformity of open refrigerated retail display cabinet. Poster presentation, 25th Annual Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April 2014. 

Kou, L., Luo, Y., Park, E., Turner, E., Barczak, A, and Jurick, W.M. Temperature abuse timing affects the rate of quality deterioration of commercially packaged ready-to-eat baby spinach. Poster presentation, Institute of Food Technologists Annual Meeting, New Orleans, LA, June 2014. 

Luo, Y., Zhang, B., Wang, Q., Nou, X., Millner, P.D. Development of a biomimetic interface to assay plant-microorganism interactions critical to food safety of fresh-cut produce. Poster presentation, International Union of Food Science and Technology - 17th World Congress of Food Science and Technology and Expo, Montreal, Canada, August 2014. 

Luo, Y., Yan, S. A novel treatment combination for the dual control of enzymatic browning and pathogen growth on apple slices. T1. International Union of Food Science and Technology - 17th World Congress of Food Science and Technology and Expo, Montreal, Canada, August 2014. 

Wilson, R., Bevington, R., Nolte, K.D., and Ravishankar, S. Extending research impacts to a general audience via video: the good, the bad, and the ugly. Abstract published in the Proceedings of the American Society for Horticultural Science Annual Meeting, Orlando, FL, July 2014. 

Xiao, Z., Nou, X., Luo, Y., Wang, Q. Comparison of the growth of Escherichia coli O157:H7 and O104:H4 during sprouting and microgreen production from contaminated radish seeds. Poster presentation, 25th Annual Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April, 2014. 

Xiao, Z., Park, E., Lester, G. E., Saftner, R., Luo, Y., Wang, Q. Evaluation of sensory attributes, chemical compositions, and phytonutrient concentrations of microgreens. Poster presentation, Institute of Food Technologists Annual Meeting, New Orleans, LA, June 2014. 

Zhang, B., Luo, Y., Wang, Q., Nou, X., Millner, P. Development of a micro fluidic device incorporating a biomimetic interface to assay plant-microorganism interactions critical to food safety of fresh-cut produce. Poster presentation, International Association for Food Protection Annual Meeting, Indianapolis, IN, August, 2014. 

Zhou, B., Luo, Y., Schmidt, W., Broadhurst, L., Millner, P., Vanotti, M., Li, J. Analysis of chlorine replenishment process of lettuce washing water and the evaluation of several strategies for improving water quality. Oral presentation, International Association of Food Protection Annual Meeting, Indianapolis, IN, August, 2014. 

Zhou, B., Luo, Y., Nou, X., Lyu, S. Fate of Listeria monocytogenes in lettuce wash water during chlorine replenishment. Oral presentation, International Association for Food Protection Annual Meeting, Indianapolis, IN, August, 2014. 

Zhou, B., Luo, Y., Nou, X., Lyu, S. Key factors to pathogen inactivation in the presence of varying organic loads. Oral presentation, NIFA meeting, Beltsville, MD, September 2014. 

2013 

Bevington, R., Ravishankar, S. and Nolte, K.D. How to: making an informative video from start to finish. Abstract published in the Proceedings of the 2013 American Society for Horticultural Science Annual Meeting, Palm Desert, CA, July 2013. 

Feng, H., Zhou, B., Lee, H., Li Y., Park, H., Palma, S., Pearlstein, A. Microbial inactivation by ultrasound for enhanced food safety. Symposium: Chemical & Non-Medical Biological Effects of Ultrasound. Oral presentation, Proceeding, 21st International Congress on Acoustics (ICA 2013), Montreal, Canada, June 2013. 

Kou, L., Luo, Y., Yan, S., Ingram, D. T. Effect of dynamic temperature storage in retail display case on the quality and microbiota of packaged fresh-cut leafy greens. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2013. 

Luo, Y., Zhou, B. Fate of three Salmonella strains in tomatoes during storage. Oral presentation, International Association for Food Protection Annual Meeting, Charlotte, NC, July, 2013. 

Salgado, S. P., Pearlstein, A. J., Luo, Y., Feng, H. Cutting head lettuce prior to washing provides advantages in produce sanitization. Poster presentation, Institute of Food Technologists Annual Meeting, Chicago, IL, July 2013. 

Wu, R., Luo, Y. and Wang, Q. Synthesis and antimicrobial study of nanoporous metal-organic frameworks (MOFs) loading essential oils. Poster presentation, 24th Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April 2013. 

Zhou, B., Luo, Y., Turner, E., Yang, Y., Wang, Q. Correlation analysis on water quality parameter in dump tank water of tomato packing house. Poster presentation, 24th Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April 2013. 

Zhou, B., Luo, Y., Nou, X., Millner, P.D. Process analysis of chlorine replenishment of lettuce washing water. Poster presentation, International Association for Food Protection Annual Meeting, Charlotte, NC, July 2013. 

2012 

Ingram, D. T., Zhou, B., Shen, C., Yang, Y., Sharma, M., Nou, X., Millner, P. Luo, Y. Strategies for the reduction of human pathogens in tomatoes and leafy greens: A farm to fork systems approach. Poster presentation, American Phytopathological Society Human Pathogens on Plants Workshop, Hyattsville, MD, February 2012. 

Ingram, D.T., Clark, S., Nou, X., Millner, P., Luo, Y. Optimization and evaluation of refrigerated display-case technology to maintain compliance with FDA food code regulations for fresh-cut and bagged leafy-green produce in retail cold-chain display. Poster presentation, 23rd Annual Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April 2012. 

Ingram, D.T., Clark, S., Nou, X., Millner, P.D., Luo, Y. Optimization and evaluation of refrigerated display-case technology to maintain compliance with FDA food code regulations for fresh-cut and bagged leafy-green produce in retail cold-chain display. Poster presentation, United Fresh Produce Association Annual Meeting Abstract, Las Vegas, NV, June 2012. 

Ingram, D.T., Clark, S., Nou, X., Millner, P., Luo, Y. Evaluation of infrared technology for temperature audits of bagged leafy-green produce in retail cold-chain display. Poster presentation, International Association for Food Protection Annual Meeting, Providence, RI, July 2012. 

Ingram, D.T., Millner, P., Nou, X., Luo, Y. Effect of contamination matrices on the persistence of E. coli O157 on romaine lettuce leaves. Poster presentation, International Association for Food Protection Annual Meeting, Providence, RI, July 2012. 

Salgado, S. P., Lee, H., Pearlstein, A., Lou, Y., Feng, H. Reduction of Escherichia coli population on iceberg and romaine lettuce with ultrasound, sanitizer, and surfactant. Poster presentation, Institute of Food Technologists Annual Meeting, Las Vegas, NV, June 2012. 

Shen, C., Luo, Y. Nou, X., Wang, Q., Millner, P. Inactivation of Salmonella, Escherichia coli O157:H7 and non-O157 STEC by hypochlorite solutions with high organic loads. Poster presentation, International Association for Food Protection Annual Meeting. Providence, RI, July 2012. 

Zhou, B., Luo, Y., Yang, Y. Wu, Y., Paul, Y., Nou, X., Wang, Q. Effects of temperature differential and immersion time on internalization of Salmonella enterica serovar Newport in tomatoes. Poster Presentation, 23rd Annual Beltsville Agricultural Research Center Poster Day, Beltsville, MD, April 2012. 
2011 

Zhou, B., Feng, H., Luo, Y. Effects of surface characteristics on retention and removal of Escherichia coli O157:H7 on surfaces of spinach. Poster presentation delivered at Institute of Food Technologists Annual Meeting, New Orleans, LA, June, 2011 

Zhou, B., Feng, H., Luo, Y. Visualizing infiltration of human pathogens into fresh produce by X-ray Microtomography (Micro-CT). Poster presentation delivered at Institute of Food Technologists Annual Meeting, New Orleans, LA, June, 2011.

2010

Fricke, B., Becker, B. Energy Use and Sales Productivity of Doored and Open Vertical Refrigerated Display Cases.  Presentation delivered at Energy and Store Development Conference, Minneapolis, MN, September 2010. [PDF]