Publications

Peer reviewed publications

  1. Chen, D., J. Wiertzema, P. Peng, Y. Cheng, J. Liu, Q. Mao, Y. Ma, E. Anderson, P. Chen, and D.J. Baumler, Effects of intense pulsed light on Cronobacter sakazakii inoculated in non-fat dry milk. Journal of Food Engineering, 2018. 238: p. 178-187.
  2. Chen, D., P. Chen, Y. Cheng, P. Peng, J. Liu, Y. Ma, Y. Liu, and R. Ruan, Deoxynivalenol decontamination in raw and germinating barley treated by plasma-activated water and intense pulsed light. Food and Bioprocess Technology, 2019. 12(2): p. 246-254.
  3. Chen, D., Y. Cheng, P. Peng, J. Liu, Y. Wang, Y. Ma, E. Anderson, C. Chen, P. Chen, and R. Ruan, Effects of intense pulsed light on Cronobacter sakazakii and Salmonella surrogate Enterococcus faecium inoculated in different powdered foods. Food chemistry, 2019. 296: p. 23-28.
  4. Chen, D., P. Peng, N. Zhou, Y. Cheng, M. Min, Y. Ma, Q. Mao, P. Chen, C. Chen, and R. Ruan, Evaluation of Cronobacter sakazakii inactivation and physicochemical property changes of non-fat dry milk powder by cold atmospheric plasma. Food chemistry, 2019. 290: p. 270-276.
  5. Peng, P., P. Chen, D. Chen, M. Addy, Y. Cheng, N. Zhou, C. Schiappacasse, Y. Zhang, E. Anderson, and J. Liu, Impact of Pulsed Light on Food Constituents, in Effect of Emerging Processing Methods on the Food Quality2019, Springer. p. 133-146.
  6. Wiertzema, J.R., C. Borchardt, A.K. Beckstrom, K. Dev, P. Chen, C. Chen, Z. Vickers, J. Feirtag, L. Lee, and R. Ruan, Evaluation of Methods for Inoculating Dry Powder Foods with Salmonella enterica, Enterococcus faecium, or Cronobacter sakazakii. Journal of food protection, 2019. 82(6): p. 1082-1088.
  7. Pengfei Cheng, Dongjie Chen, Wei Liu, Kirk Cobb, Nan Zhou, Yuhuan Liu, Hui Liu, Qin Wang, Paul Chen, Chengxu Zhou, Roger Ruan, Auto-flocculation microalgae species Tribonema sp. and Synechocystis sp. with T-IPL pretreatment to improve swine wastewater nutrient removal, Science of The Total Environment, 725, 2020, 138263, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2020.138263.
  8. Dongjie Chen, Justin R. Wiertzema, Peng Peng, Yanling Cheng, Yunpu Wang, Juer Liu, Yiwei Ma, Wes Mosher, Myungwoo Kang, Min Min, Paul Chen, David J. Baumler, Chi Chen, Laurence Lee, Zata Vickers, Joellen Feirtag, Roger Ruan, Catalytic intense pulse light inactivation of Cronobacter sakazakii and other pathogens in non-fat dry milk and wheat flour, Food Chemistry, 332, 2020, 127420, ISSN 0308-8146, https://doi.org/10.1016/j.foodchem.2020.127420.

Oral Presentations

  1. David Baumler. 2016. Multistate MAES Research Project, S1056, "Enhancing Microbial Food Safety by Risk Analysis”meeting on October 5th, Las Cruces, NM
  2. Ruan, R., P. Peng, Y. Cheng, S. Song, J. Liu, M. Addy, S. Deng, P. Chen. 2016. Non-thermal processing techologies forlow moisture and liquid foods pasteurization. Conference of Food Engineering (COFE) 2016, Columbus, OH.
  3. Roger Ruan. 2017. Non-Thermal Plasma Technology for Improving Food Safety and Quality: Application and industrial implementation. IAFP 2017 Symposium. July 10, 2017. Tampa, FL.
  4. Roger Ruan, Paul Chen, David Baumler, Chi Chen, Zata Vickers, Joeljen Feirtag. 2017. CAP [2015- 08046] Development of continuous intense pulsed light technology for non-thermal pasteurization of powdered foods. USDA NIFA 2017 Project Directors Meeting, Tampa Convention Center, July 8, 2017, Tampa, FL.
  5. David Baumler. 2017. Modern Approaches to Make Foods Safer. Minneapolis AAUW Association on March 20th, 2017.
  6. David Baumler. 2017. Using Genome-Scale metabolic Models to Make Foods Safer. University of Wisconsin-Lacrosse on March 23th, 2017.
  7. David Baumler. 2017. Modern Approaches to Make Foods Safer at the Midwest AOAC meeting held in Minneapolis, MN on May 24-25th 2017.
  8. Justin Wiertzema. 2017. Non-thermal Pasteurization of Powdered Foods Using Intense Pulsed Light. Midwest AOAC meeting and Minnesota Food Protection Association (MFPA), Minneapolis, MN.
  9. David Baumler. 2017. Modern Approaches to Make Foods Safer. Twin Cities Home and Community association on October 4th, 2017.
  10. Peng Peng. 2017. System development of the continuous intense pulsed light technology for non-thermal pasteurization of powdered foods. USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th.
  11. Peng Peng. 2017. Effect of intense pulsed light on Cronobacter Sakazakii inoculated on non-fat milk powder USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th
  12. Justin Wiertzema. 2017. Inoculation protocol developed for inoculating powders to be tested with intense pulsed light. UMN Department of Food Science and Nutrition graduate student showcase, April 18, 2017 at the St. Paul campus at the University of Minnesota.
  13. Justin Wiertzema. 2017. Evaluation of Inoculation Methods for Inoculating Powdered Milk and Soy Flour with Salmonella enterica serovar Typhimurium LT2, Enterococcus faecium and Cronobacter sakazakii. USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th.
  14. Juer Liu. 2017. Intense Pulsed Light Treatments on Particle and Flow Properties of Non-fat Milk Powder. USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th.
  15. Qingqing Mao. 2017. Chemometric analysis of potential chemical changes in non-fat milk powder after IPL treatment. USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th
  16. Justin Wiertzema. 2017. Intensive pulsed light process and inoculation protocol for food sample preparation. Midwest Dairy Foods Research Center annual meeting.
  17. Peng Peng. 2017. Using Non-thermal Plasma (NTP) to Disinfect Milk Powders. Annual UMN BBE research showcase.
  18. Juer Liu. Effects of Intense Pulsed Light Treatments on Particle and Flow Properties of Non-fat Milk Powder. Annual UMN BBE research showcase.
  19. Dongjie Chen. 2017. Effect of Intense Pulsed Light on Cronobacter Sakazakii Inoculated on Non-fat Milk Powder. Annual UMN BBE research showcase
  20. Roger Ruan. 2018. Development of continuous intense pulsed light technology for non-thermal pasteurization of powdered foods. USDA NIFA Food Processing & Manufacturing Technology Project Director’s Meeting. Natick, MA.
  21. Roger Ruan. 2018. CAP [2015 - 08046]: Development of a continuous intense pulsed light technology for non-thermal pasteurization of powdered foods. USDA Mid Year CAP Project Review Video Conference. St. Paul, MN.
  22. Dongjie Chen, Juer Liu, Peng Peng, Yanling Cheng, Yiwei Ma, Paul Chen, Roger Ruan. 2018. Plasma-activated Water and Intense Pulsed Light Processing for Decontamination of Deoxynivalenol in Raw and Germinating Barley. The International Association for Food Protection (IAFP). July 8–11, 2018. Salt Lake City, UT.
  23. Justin Wiertzema and David J. Baumler, New Technologies for Powder Treatment after Drying, Invited speaker for the North Central Cheese Industry Association Meeting in Sioux Falls, SD on October 10th, 2018.
  24. David J. Baumler, Advances in Intense Pulsed Light Technologies for Non-Thermal Pasteurization of Powdered Foods, Invited speaker at the USDA PI/Co-PI CAP annual update meeting in Natick, MA on August 15th, 2018.   
  25. David J. Baumler, Dairy Research Update in the Baumler Lab: From Microbiomes in Milk to New Technologies to Make Dry Powdered Foods Safer, Invited speaker at the Midwest Dairy Foods Research Center annual meeting in Saint Paul, MN on July 31st, 2018.
  26. David J. Baumler, The Future of Food Safety, Invited plenary speaker for the Minnesota Environmental Health Association Spring Conference in Ruttgers Bay, MN on May 10th, 2018.
  27. David J. Baumler, Advances in Intense Pulsed Light Technologies for Non-Thermal Pasteurization of Powdered Foods, Invited speaker for the Dairy Ingredients Symposium, Shell Beach, California on Feb 27th, 2018.
  28. Kang, M.,  Paul Chen, David Baumler, Chi Chen, Joellen Feirtag, Roger Ruan, and Vickers, Z.  Sensory Analysis of Powdered Milk with IPL Treatment.  Presented at USDA Natick Annual Grantee’s meeting August 14, 2018
  29. Dongjie Chen, Justin Wiertzema, Peng Peng, Yanling Cheng, Juer Liu, Qingqing Mao,
    Yiwei Ma, Erik Anderson, Paul Chen, David J. Baumler, Chi Chen, Zata Vickers,
    Joellen Feirtag, Laurence Lee, and Roger Ruan. 2018. Effect of Continuous Intense Pulsed Light on Cronobacter sakazakii Inoculated in Different Powder Samples. Conference of Food Engineering (CoFE 2018). September 9-12, 2018. Minneapolis, MN.
  30. Dongjie Chen, Justin Wiertzema, Peng Peng, Yanling Cheng, Juer Liu, Qingqing Mao, Yiwei Ma, Erik Anderson, Paul Chen, David J. Baumler, Chi Chen, Zata Vickers, Joellen Feirtag, Laurence Lee, and Roger Ruan. 2018. Effect of Continuous Intense Pulsed Light on Cronobacter sakazakii Inoculated in Different Powder Samples. The International Association for Food Protection (IAFP). July 8–11, 2018. Salt Lake City, UT.
  31. Dongjie Chen, Justin Wiertzema, Peng Peng, Yanling Cheng, Juer Liu, Qingqing Mao, Yiwei Ma, Erik Anderson, Paul Chen, David J. Baumler, Chi Chen, Zata Vickers, Joellen Feirtag, Laurence Lee, and Roger Ruan. 2018. Effect of Continuous Intense Pulsed Light on Cronobacter sakazakii Inoculated in Different Powder Samples. The National Institute of Food and Agriculture (NIFA). August 14-15, 2018. Natick, MA.
  32. Dongjie Chen, Juer Liu, Peng Peng, Yanling Cheng, Yiwei Ma, Paul Chen, Roger Ruan. 2018. Decontamination of Deoxynivalenol in Raw and Germinating Barley. FScN Graduate Student Research Showcase. May 15, 2018. Saint Paul, MN.
  33. Dongjie Chen, Justin Wiertzema, Peng Peng, Yanling Cheng, Juer Liu, Qingqing Mao, Yiwei Ma, Erik Anderson, Paul Chen, David J. Baumler, Chi Chen, Zata Vickers,
    Joellen Feirtag, Laurence Lee, and Roger Ruan. 2018. Effect of Continuous Intense Pulsed Light on Cronobacter sakazakii Inoculated in Different Powder Samples. Department of Bioproducts and Biosystems Engineering Showcase. October 25, 2018. Saint Paul, MN.
  34. Juer Liu, Dongjie Chen, Qingqing Mao, Justin Wiertzema, Yanling Cheng, Paul Chen, Chi Chen, David Baumler, Roger Ruan. 2018. Investigation of Escherichia Coli Induced by Intense Pulsed Light: A Proton Nuclear Magnetic Resonance Study. Conference of Food Engineering (CoFE 2018). September 9-12, 2018, Minneapolis, MN.
  35. Juer Liu, Dongjie Chen, Qingqing Mao, Justin Wiertzema, Yanling Cheng, Paul Chen, Chi Chen, David Baumler, Roger Ruan. 2018. Investigation of Escherichia Coli Induced by Intense Pulsed Light: A Proton Nuclear Magnetic Resonance Study. FScN Graduate Student Research Showcase. May 15, 2018. Saint Paul, MN.
  36. Juer Liu, Dongjie Chen, Qingqing Mao, Justin Wiertzema, Yanling Cheng, Paul Chen, Chi Chen, David Baumler, Roger Ruan. 2018. Investigation of Escherichia Coli Induced by Intense Pulsed Light: A Proton Nuclear Magnetic Resonance Study. Department of Bioproducts and Biosystems Engineering Showcase. October 25, 2018. Saint Paul, MN.
  37. Justin R. Wiertzema*, Dongjie Chen, Anna Beckstrom, Peng Peng, Paul Chen, Roger Ruan, Joellen Feirtag, and David J. Baumler, Utilization of intense pulsed light for microbial decontamination of low-moisture foods at the Conference of Food Engineering in Minneapolis, MN on Sept 10-11th, 2018.
  38. Ashley Briones*, Nina Le*, Roger Ruan, and David J. Baumler, Spores in Milk Powders: Spore elimination using Intense Pulsed Light, at the Midwest Dairy Foods Research Center annual meeting in Roseville, MN on July 30st, 2018.
  39. Justin R. Wiertzema*, Dongjie Chen, Anna Beckstrom, Peng Peng, Paul Chen, Roger Ruan, Joellen Feirtag, and David J. Baumler, Utilization of intense pulsed light for microbial decontamination of low-moisture foods, at the Midwest Dairy Foods Research Center annual meeting in Roseville, MN on July 30st, 2018.
  40. Justin R. Wiertzema*, Christian Borchardt*, and David J. Baumler, Evaluation of Methods for Inoculating Powdered Milk and Soy Flour with Salmonella enterica serovar Typhimurium LT2, Enterococcus faecium, and Cronobacter sakazakii,  Midwest Dairy Foods Research Center Annual meeting in Saint Paul, MN on July 31st , 2017.
  41. Qingqing Mao, Dongjie Chen, Peng Peng, Paul Chen, Roger Ruan , Chi Chen. LC-MS based chemometric platform monitors intense pulsed light elicited effect on the chemical composition of non-fat dry milk. 14th Conference of Food Engineering (CoFE 18) September 9-12, 2018. Minneapolis, MN.
  42. Qingqing Mao, Wes Mosher, Dongjie Chen, Peng Peng, Juer Liu, Yanling Cheng, Justin Wiertzema, Yiwei Ma, Paul Chen, David Baumler, ZataVickers, Joellen Feirtag, Laurence Lee, Roger Ruan, Chi Chen. Characterizing intense pulsed light elicited effects on Escherichia coli and non-fat dry milk via LC-MS based metabolomic and chemometric analysis. USDA/NIFA AFRI 2018 Food Technology Grantees’ Annual Conference. August 14 – 15, 2018. Natick, MA.
  43. Kang, M., Paul Chen, David Baumler, Chi Chen, Joellen Feirtag, Roger Ruan, and Vickers, Z.  Sensory Analysis of Powdered Milk with IPL Treatment.  Presented at USDA Natick Annual Grantee’s meeting August 14, 2018
  44. Kang, M., Paul Chen, David Baumler, Chi Chen, Joellen Feirtag, Roger Ruan, and Vickers, Z.  Sensory analysis of wheat flour pasteurized with intense pulsed light.  Presented at the USDA NIFA AFRI CAP PD/co-PD meeting for A4131 – Enhancing Food Safety through Improved Processing technologies. Louisville KY  July 20, 2019.
  45. Kang, M., Paul Chen, David Baumler, Chi Chen, Joellen Feirtag, Roger Ruan, and Vickers, Z.  Sensory Analysis of Powdered Milk with IPL Treatment.  Presented at The Pangborn Symposium, Edinburgh, Scotland July 26-30 2019
  46. Kang, M., Paul Chen, David Baumler, Chi Chen, Joellen Feirtag, Roger Ruan, and Vickers, Z. Sensory analysis of wheat flour pasteurized with intense pulsed light. Presented at the Institute of Food Technologists annual meeting July, 2020

Posters

  1. Graduate student researcher Peng Peng presented a poster presentation session at the USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th, titled “System development of the continuous intense pulsed light technology for non-thermal pasteurization of powdered foods”
  2. Graduate student researcher Peng Peng presented a poster presentation session at the USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th, titled “Effect of intense pulsed light on Cronobacter Sakazakii inoculated on non-fat milk powder”
  3. Graduate student researcher Justin Wiertzema presented a poster presentation session at the Department of Food Science and Nutrition graduate student showcase event held April 18, 2017 at the St. Paul campus at the University of Minnesota. The poster consisted of the inoculation protocol developed for inoculating powders to be tested with intense pulsed light and was presented in front of graduate students, professors, and industry professionals.
  4. Graduate student researcher Justin Wiertzema presented a poster presentation session at the USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th. The poster consisted of the inoculation protocol developed for inoculating powders to be tested with intense pulsed light and was presented in front of governmental officials/employees, professors, graduate students, and industry professionals.
  5. Graduate student researcher Juer Liu presented a poster presentation at the USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th. Her presentation was concerned about effects of Intense Pulsed Light Treatments on Particle and Flow Properties of Non-fat Milk Powder
  6. Graduate student researcher Qingqing Mao presented a poster presentation at the USDA annual meeting/IAFP 2017 in Tampa, FL on July 8th and 12th, titled “Chemometric analysis of potential chemical changes in non-fat milk powder after IPL treatment”.
  7. Graduate student researcher Justin Wiertzema presented two posters at the Midwest Dairy Foods Research Center annual meeting. Poster one consisted of the inoculation protocol developed for inoculating powders to be tested with intense pulsed light. Poster two consisted of our expectations for the project, how we will achieve those expectations, and a little bit about the process. Those who attended the meeting consisted of graduate students, professors, farmers, and industry professionals”
  8. Graduate student researcher Nan Zhou presented a poster at the annual UMN BBE research showcase event titled “Atmospheric Pressure Non-thermal Plasma Inactivation of Pathogens in Milk Powders”
  9. Graduate student researcher Peng Peng presented a poster at the annual UMN BBE research showcase event titled “Using Non-thermal Plasma (NTP) to Disinfect Milk Powders”
  10. Graduate student researcher Juer Liu presented a poster at the annual UMN BBE research showcase event titled “Effects of Intense Pulsed Light Treatments on Particle and Flow Properties of Non-fat Milk Powder”
  11. Graduate student researcher Dongjie Chen presented a poster at the annual UMN BBE research showcase event titled “Effect of Intense Pulsed Light on Cronobacter Sakazakii Inoculated on Non-fat Milk Powder”

Theses

  1. Qingqing Mao. 2019. Characterizing intense pulsed light-elicited effects on Escherichia coli and non-fat dry milk through metabolomic and chemometric analysis. Master thesis. University of Minnesota
  2. Dongjie Chen. 2020. Decontamination of particulate foods using intense pulsed light and other non-thermal technologies. PhD thesis. University of Minnesota
  3. Wiertzema, Justin. 2019. Utilization of Intense Pulsed Light for the Microbial Decontamination of Low-Moisture Foods, PhD thesis. University of Minnesota
  4. Le, Nina , 2019. Intense Pulsed Light Decontamination of Dairy Powders: Effects on Bacillus cereus and Bacillus licheniformis Spores, and Dairy Powder Functionality, Master thesis. University of Minnesota