IDRC 2024: The 21st International Diffuse Reflectance Conference to Convene in Knoxville, Tennessee


The Council for Near-Infrared Spectroscopy (CNIRS) will be hosting the 21st International Diffuse Reflectance Conference (IDRC) from July 27 to August 2, 2024. Hosted by The University of Tennessee on its Agriculture Campus in Knoxville, Tennessee, USA, the conference promises to be a forum for scientific exchange and collaboration continuing the traditions and sharing of knowledge that this conference provides everyone in spectroscopy related fields and applications.

The IDRC 2024 will feature an array of session topics highlighting the latest advancements and applications in diffuse reflectance spectroscopy. Attendees can expect discussions on agricultural applications, environmental sustainability, food and ingredients analysis, artificial intelligence implications, and much more. The event will also offer short courses on essential topics such as chemometrics, calibration development, and validation techniques. Additionally, participants will have the opportunity to engage in networking activities, explore cutting-edge instrumentation, and exchange ideas with leading experts in the field.

"We are excited to host the 21st IDRC at The University of Tennessee and provide attendees with a stimulating and enriching conference experience in a new environment with state-of-the-art laboratories for demonstrations and lectures," said David McIntosh, Conference Chair and Coordinator, at The University of Tennessee, Knoxville. "With an impressive lineup of sessions, short courses, and networking opportunities, IDRC 2024 promises to be a cornerstone event for researchers and industry professionals to refresh techniques and enjoy the camaraderie of all attending,” says David.

In addition to the conference sessions and short courses, IDRC 2024 will also feature several award opportunities to recognize outstanding contributions to the field. These include the Gerald S. Birth Award for innovation in diffuse reflection or transmission spectroscopy, the Young Scientist Award, Honorary Membership in the CNIRS, and Poster Awards for outstanding poster presentations.

Registration, session information, and sponsorship opportunities for IDRC 2024 will become available on March 15, 2024, at the official conference website: For those interested in presenting their research or submitting nominations for awards, the deadline for all nomination materials is April 15, 2024. For more information and updates, please visit

Contact: David McIntosh or Nancy Cao with any questions:

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