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Table 1 Soluble metals analysis on PM filters a

From: Combustion-derived flame generated ultrafine soot generates reactive oxygen species and activates Nrf2 antioxidants differently in neonatal and adult rat lungs

Metal

PFP soluble metals (μg metal/g PM)

Fresno soluble metals (μg metal/g PM)b

Co

< 3.2

n/a

Cr

< 0.84

n/a

Cu

< 1.0

344 ± 137

Fe

< 25

262 ± 32

Mn

< 1.8

397 ± 56

Ni

< 3.4

n/a

V

< 0.68

17 ± 3

Zn

7.8 ± 4.9

n/a

  1. n/a indicates data that are not available. Measurements are the average ± standard deviation.
  2. a) Filter blank corrected soluble concentrations of 8 common transition metals were measured in PFP samples, an urban PM2.5 sample from Fresno, CA. Only zinc (Zn) was detected above background levels in the PFP samples.
  3. b) from Shen et al., [30].
  4. c) "< value" indicates a result less than the limit of quantification (10 × SD of the blank).
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Particle and Fibre Toxicology

ISSN: 1743-8977

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