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Research Project: Defining, Measuring, and Mitigating Attributes that Adversely Impact the Quality and Marketability of Foods Location:
                                Healthy Processed Foods Research Title:   Author  item
                                            Haff, Ronald

                                                         - *Ron*item
                                            Jackson, Ericitem
                                            Gomez, Joseph

                                                         - *Jose*item
                                            Light, Douglasitem
                                            Follett, Peteritem
                                            SIMMONS, GREG - Animal And Plant Health Inspection Service (APHIS)item
                                            HIGBEE, BRAD - Paramount Farming Company, Inc
  Submitted to: Radiation Physics and Chemistry
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 12/12/2015
                                    Publication  Date: 12/17/2015
                                    Citation: Haff, R.P., Jackson, E.S., Gomez, J., Light, D.M., Follett, P.A., Simmons, G.S., Higbee, B.S. 2015. Building lab-scale x-ray tube based irradiators. Journal of Radiation Physics and Chemistry. 121:43-49.Interpretive Summary: Economical x-ray tube based irradiators were designed and constructed in a variety of configurations using 1000 Watt x-ray tubes. Single tube, double tube, and four tube designs as well as various cabinet construction techniques are described. Relatively high dose rates were achieved for small samples, demonstrating feasibility for laboratory based irradiators for research purposes. Amount of x-ray radiation exposure per second (dose) within an instant rice container of 9.76, 5.45, and 1.7 Gy/min/tube were measured at the center of a five inch container of instant rice at 100keV, 70 keV, and 40 keV, respectively. Dose uniformity varies dramatically as the distance from source to container.
                                Technical Abstract: The construction of economical x-ray tube based irradiators in a variety of configurations is described using 1000 Watt x-ray tubes. Single tube, double tube, and four tube designs are described, as well as various cabinet construction techniques. Relatively high dose rates were achieved for small samples, demonstrating feasibility for laboratory based irradiators for research purposes. Dose rates within an instant rice container of 9.76, 5.45, and 1.7 Gy/min/tube were measured at the center of a five inch container of instant rice at 100keV, 70 keV, and 40 keV, respectively. Dose uniformity varies dramatically as the distance from source to container.


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