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Dr. Lauryn DeGreeff - Odor Chemistry Basics for K9 Handlers - recording of the webinar

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Presenter

Dr. Lauryn DeGreeff

Dr. Lauryn E. DeGreeff has worked in the field of analytical chemistry in support of canine detection for more than 13 years. She is currently employed as a research chemist at the U.S. Naval Research Laboratory and is on faculty of the Florida International University, Chemistry Department. Dr. DeGreeff received her Ph.D. in Chemistry with an emphasis in Forensic Science from Florida International University in 2010. Her research focused on the sampling, characterization, and delivery of human odor, living and deceased, for the purpose of canine detection. Following the completion of her doctorate, she worked as a research fellow at the Federal Bureau of Investigation, Counterterrorism and Forensic Science Research Unit. Her research focus was detection and determination of human scent and odor and human blood for the development / improvement of canine training aids and training methods. Dr. DeGreeff began her research at the U.S. Naval Research Laboratory in 2012 with focus on the characterization of explosives for instrumental and canine detection. She has since developed and patented a canine training tool for training on mixed odors, which has recently been brought to comme

Agenda

DESCRIPTION OF THE WEBINAR:
Canines are sensitive and selective, non-contact vapor detectors that can easily be trained to locate novel materials; however, unlike other vapor detection instrumentation or sensors, canines do not give a readable output, thus leaving the handler to interpret canine behavior. One way to better understand canine response to odor and ultimately better the detector is to improve the understanding of factors that affect or change odor.
A compilation of research will be discussed that describes odor on a molecular level as it relates to detection of a target. This will include the basics of odor development from an odor source into an odor plume that is detectable by the dog. We will describe how odor emanates from a target object and how the dog might perceive this odor. We will then discuss the variety of factors that affect how the dog experiences the target odor, such as target mass versus odor quantity, differences between manufacturers, changes with time and environmental conditions, challenges related to wrapping and burial. Factors affecting odor availability and methods to prevent contamination of training materials will also be covered.