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Low-cost miniature sensors for digital agriculture
时间:2018-07-25 16:45    点击:   所属单位:机电工程学院
讲座名称 Low-cost miniature sensors for digital agriculture
讲座时间 2018-07-27 10:00:00
讲座地点 北校区主楼三区第三会议室(III-143北)
讲座人 Liang Dong教授
讲座人介绍 Dr. Liang Dong is currently a Professor with the Department of Electrical and Computer Engineering and an Associate Director of the Microelectronics Research Center at Iowa State University, USA. He is also an associate of the U.S. Department of Energy’s Ames Laboratory. He received a B.S. degree in Precision Instrument from Xidian University in 1999, and a Ph.D. degree in Electronic Science and Technology from Tsinghua University in 2004. From 2004-2007, he worked as a postdoctoral research associate at the University of Wisconsin-Madison.
    Prof. Dong's current research interests include sensors, actuators, biochips and micro-optical devices, and their applications in sustainable agriculture, ecosystem, and healthcare. His research has been supported by NSF, DOE, USDA, and many industrial companies, and the research outcome has been widely recognized by the Best Conference Paper Awards and Finalist Awards, the best Advanced Materials Technologies journal paper, and the Google Scholar Classic paper. In addition, his research has received worldwide media attention such as MSNBC, American Scientist, Discovery, The Daily Mirror (UK), and MIT Technology Review. He received the National Science Foundation CAREER Award, PSI Faculty Scholar Award, Early Career Engineering Faculty Research Award, Harpole-Pentair Developing Faculty Award, and Warren B. Boast Undergraduate Teaching Award. He was also a recipient of the Top 100 National Outstanding Doctoral Dissertation Award of China.  
    Prof. Dong is currently Editor-in-Chief of the journal Sensors and Actuators A: Physical, and also serves as Associate Editor of several other journals in his research area. He is Co-Founder and Chief Technology Officer of EnGeniousAg LLC, a startup company based in Ames, Iowa.
讲座内容     Global agriculture is facing grand challenges to ensure food security. Major improvements in crop yield are needed to accommodate population growth and climate change. While crop breeding efforts have greatly benefited from advances in genomics, high-throughput and high-resolution profiling of crop phenome associated with both genome and environments remains a major technical bottleneck. As the excessive use of nitrogen fertilizer results in significant economic cost and environmental pollution, how can our engineers help select and breed better varieties that can use nitrogen more efficiently? Also, how can we help to identify hybrids that are likely to perform better under drought stress prior to conducting large-scale, expensive yield tests?
    Microelectromechanical systems (MEMS) technology has enabled numerous inexpensive microscale devices in the consumer electronics and automotive markets and also has been extensively studied to advance biomedicine and healthcare. However, MEMS sensors have been under-researched for applications in the area of plant science and agriculture that have huge social and economic impacts. In this talk, I will discuss several MEMS-based devices for high-throughput plant phenotyping and digital agriculture, including plant nutrient sensors, soil nutrient sensors, wearable plant sensors, plant chips, and nematode sensors. These devices will facilitate breeding of crop varieties with high nitrogen and water use efficiencies, studying of plant responses under different environmental conditions, and screening of chemical resistance of agricultural nematodes. In the end, I will share some thoughts on the future of this exciting new area.
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