Mobile Biomonitoring of Atmospheric Pollution: A New Perspective for the Moss-Bag Approach.

Nevertheless, a decreasing trend of the element content was generally observed passing from the distal to the proximal bag of each triplet (i.e., the proximal bag generally up-took lower amounts) ( Figure 5 ). 2.4.

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Thus, despite the different target of the two techniques—ICP-MS aims at quantifying multiple elements, whereas SIRM is sensitive only to the magnetizable fraction of PM, mainly iron oxides like hematite, magnetite and maghemite with incorporated trace elements—both techniques show a clear trend, with higher element fluxes in bags farther away to the handlebar of the bicycle and thus closer to the ground.

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