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Gauss horns drivers 20804/15/2023 In Contrast, Pm1 -Associated Op Was Driven By Industry, With A Much Lower Contribution To Pm10 And Pm2.5 Mass. In Barcelona, Several Anthropogenic Sources Were The Main Drivers Of Op In Pm10 (Combustion + Road Dust + Heavy Oil + Oc-Rich) And Pm2.5 (Road Dust + Combustion). ![]() The Results Showed That In Barcelona, The Op Of Pm10 Was Much Higher Than Those Of Pm2.5 And Pm1, Whereas In Montseny Results For All Pm Sizes Were In The Same Range, But Significantly Lower Than In Barcelona. ![]() Finally, To Link The Sources With The Measured Op, Both A Pearson'S Correlation And A Multiple Linear Regression Model Were Applied To The Dataset. The Op Of Pm Was Determined By Measuring Reactive Oxygen Species Using Dithiothreitol And Ascorbic Acid Assays. We Determined The Chemical Composition Of Samples, Allowing Us To Perform Source Apportionment Using Positive Matrix Factorization. In This Study, Samples Of Pm10, Pm2.5, And Pm1 Were Collected Roughly Every Four Days From January 2018 Until March 2019 At A Barcelona Urban Background Site And Montseny Rural Background Site In Northeastern Spain. It Has Been Suggested That The Oxidative Potential (Op, As A Tracer Of Oxidative Stress) Of Pm Is A Possible Determinant Of Its Health Impact. ![]() Abstract: Ambient Particulate Matter (Pm) Is A Major Contributor To Air Pollution, Leading To Adverse Health Effects On The Human Population.
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