Tomoyuki Murakami

Professor

Seikei University

About the Speaker

Tomoyuki Murakami is full professor of Science and Engineering at Seikei University, Tokyo, Japan. He also holds a visiting professorship at Queen's University Belfast, Northern Ireland, UK.
He received his PhD from Tokyo Institute of Technology, Yokohama, Japan, in 1998. He was a senior research fellow at Queen’s University Belfast, NI, UK and Wesleyan University, CT, USA, in 2010 and 2013, respectively.
He has 10 years of experience in low temperature plasmas and their applications, and continuously collaborates with colleagues worldwide. He has published over 100 peer-reviewed papers and been invited to give talks at over 70 conferences.
His current research interests include theoretical and numerical modeling on gas/liquid plasma physics and chemistry, data-driven plasma sciences based on information mathematics, and computational biology for plasma medicine and plasma agriculture.

Abstract

Numerical Modeling for Plant Biology

Cold atmospheric plasma (CAP) has recently been used in the agricultural field. Many experimental studies have suggested that CAP may have a positive impact on crop productivity, its safety, and ensuring environmental sustainability. Although the mechanism why plasma has such a positive effect is not fully understood, it is believed that these biological effects are at least partially the result of plasma-generated reactive oxygen/nitrogen species (RONS). As we have learned in the plasma medicine, computational approaches can help to gain new insights into the fundamental mechanisms of such "plasma agriculture". The field of plant biology includes various sub-disciplines, such as physiology, molecular biology, cell biology, development, genetics, phylogenetics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Naturally, the geometric scales and time scales of interest are extremely wide, and there is no universal mathematical model that can describe them all. With this in mind, for now, we may focus on the molecular-level effects of plasma-induced RONS on plant cells. This talk will focus on the function of plant hormones at the single-cell level and present a basic numerical model describing the intracellular physiochemical reactions perturbed by externally applied RONS.

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email: plasma@drexel.edu