UV LED applications

UV LED is a novel technology. e are exploring its applications in microbial inactivation and water treatment research.

Students and Postdocs: Barun Yadav, Rahul Chetry, Muhammad Zubair


Dr. Aman Ullah and Dr. Xianqin Yang


  1. *Prasad, A., & **Roopesh. M. S. Bacterial biofilm inactivation by 275 nm and 455 nm light pulses emitted from LEDs. (Submitted).
  2. Hrynets, Y., Zou, F., Roopesh, M. S. **Betti, M. UV-C-induced cold non-enzymatic browning of glucosamine: Antioxidant properties of the caramel solutions. (Submitted).
  3. *Prasad, A., & **Roopesh. M. S. Understanding the antimicrobial mechanisms of 365, 395, and 455 nm light pulses emitted from light emitting diodes (Internal review).
  4. Zou, F., Hrynets, Y., Roopesh. M. S., **Betti. M. Cold caramelization of glucosamine under UV-C radiation. Food Chemistry Advances. https://doi.org/10.1016/j.focha.2022.100083
  5. *Prasad, A., Gänzle, M., & **Roopesh. M. S. Antimicrobial activity and drying potential of high intensity blue light pulses (455 nm) emitted from LEDs. Food Research International. https://doi.org/10.1016/j.foodres.2021.110601.
  6. *Prasad, A., *Du, L., *Zubair, M., *Subedi, S., Ullah, A., **Roopesh, M. S. Application of light emitting diodes (LED) in food processing and water treatment. Food Engineering Reviews. https://doi.org/10.1007/s12393-020-09221-4 
  7. *Subedi, S., *Du, L., *Prasad, A., *Yadav, B., **Roopesh, M. S. Inactivation of Salmonella and quality changes in wheat flour after pulsed light-emitting diode (LED) treatments. Food and Bioproducts Processing, 121, 166-177. https://doi.org/10.1016/j.fbp.2020.02.004.
  8. *Du, L., *Prasad, A., Gänzle, M., **Roopesh, M. S. (2020). Inactivation of Salmonella spp. in wheat flour by 395 nm LED and the related functional and structural changes of gluten. Food Research International, 127, 108716. https://doi.org/10.1016/j.foodres.2019.108716
  9. *Subedi, S., **Roopesh, M. S. Simultaneous drying of pet food pellets and Salmonella inactivation by 395 nm light pulses in an LED reactor. Journal of Food Engineering (Available online). https://doi.org/10.1016/j.jfoodeng.2020.110110
  10. *Prasad, A., Gänzle, M., **Roopesh, M. S. Inactivation of Escherichia coli and Salmonella using 365 nm and 395 nm high intensity pulsed light emitting diodes. Foods. 8(12), 679. https://doi.org/10.3390/foods8120679