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작물의 미세먼지 흡착능력 평가를 위한 대량 병렬 챔버 시스템 개발
홍은수 ( Eun-su Hong ),김도영 ( Do-young Kim ),이주석 ( Ju Seok Lee ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-
Airborne particulate matter (PM) become a serious threat to climate, environment, and public health. To reduce PM concentration in the air, phytoremediation could be alternative and cost-efficient strategy. PM could be absorbed into crop plants through foliar organ by 4 steps, absorption to leaf surface, translocation into leaf cell, dispersion into entire plant, and accumulation into specific plant organs. Thus, the phytoremediation by plant could be achieved through the first step,absorption to leaf surface, and this could be mediated by various factors, such as leaf surface characteristic, relative humidity, PM concentration in the air, etc. To evaluate the plants PM absorption capacity, it is required that well-defined system (e.g., test chamber) and environmental monitoring system. Furthermore, for mass-screening, the evaluation and monitoring should be conducted simultaneously in independent system. Here, we developed the 10 of independent test chamber system to monitor the PM2.5 concentration, relative humidity, and temperature, the change of PM2.5 concentration was monitored recorded by the Sensirion Sps30 sensors and relative humidity and temperature was recorded by the DHT22 sensor, which was connected to Raspberry Pi 4B. Soybean [Glycine max (L.) Merr] was used as plant material for PM absorp仕on, since it serve as one of the most valuable crop in the word and grow in around 127 million hectares worldwide and has soft and big size leaf. The results could be applied to various plants and provide the informative index for PM absorption efficiency of plants.