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[학술저널]

  • 학술저널

김은영(국립목포대학교) 이용민(국립목포대학교) 오세호(국립기상과학원) 박혜령(국립목포대학교) 서석준(국립환경과학원) 배민석(국립목포대학교)

DOI : 10.5572/KOSAE.2019.35.4.451

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초록

This study investigated the relationship between dithiothreitol-oxidation potential (DTT-OP) and reactive oxygen species (ROS) depending on ratio of organic carbon (OC) and elemental carbon (EC) in PM2.5 from May 28 to June 18 of 2016 at the west coastal site in the Republic of Korea. Twenty-two integrated samples were collected for both DTT-OP and ROS analysis to investigate the main chemical classes of toxicity. The influence of atmospheric transport processes was assessed by the Residence-Time Weighted Back trajectory for the two selected sampling periods based on source region. The good correlation (r² of 0.67) between of ratio of ROS to DTT-OP and ratio of OC and EC depending on source regions illustrate that primary long-range source including relatively higher EC was highly associated with higher ROS activity. This study provides insight into the sources in PM2.5 that can be drivers of the analytical approach for oxidative potential.

목차

Abstract
1. 서론
2. 연구 방법
3. 결과
4. 결론
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키워드

저자키워드
#DTT
#DCFH-DA
#ROS
#OC

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