Page 204 - LAS CIENCIAS AMBIENTALES EN EL ANTROPOCENO - DIGITAL(1)

SUMMARY These variations are related to the 1–14. https://doi.org/10.1002/
jeq2.20200
influence of different emission sources,
environmental conditions, and spatial Rizza, V.; Stabile, L.; Vistocco, D.;
ir pollution by particulate matter is variations between each sampling Russi, A.; Pardi, S.; Buonanno, G.
one of the main threats to human site. In this way, this research verified (2019). Effects of the exposure to
Ahealth, particularly in large cities the correlation between the PM2.5 ultrafine particles on heart rate in a
where pollution levels are continually monitored and effects on C. elegans healthy population. Science of the
exceeded. This work, we studied the associated with PM2.5 concentration Total Environment, 650, 2403–
toxicology effects on the nematode changes. This work provides a first 2410. https://doi.org/10.1016/j.
Ceanorhabditis elegans exposed to approximation to the toxicological and scitotenv.2018.09.385
PM2.5 extracts of Barranquilla city. environmental behavior of PM2.5 in the Silva, L.F.O.; Schneider, I.L.; Artaxo, P.;
The PM2.5 samples were collected study area. Furthermore, it constitutes Núñez-Blanco, Y.; Pinto, D.; Flores,
continuously in 48-h periods between a reference base for decision-making É.M.M.; …; Dotto, G.L. (2021).
November 2019 and January 2020, in by environmental authorities and Particulate matter geochemistry
two monitoring points. The first point governments in favor of reducing of a highly industrialized region
(P1) is located in a residential area, which toxicological risks in people. in the Caribbean: Basis for future
receives contributions from sources of toxicological studies. Geoscience
industries, and illegal biomass burning. REFERENCIAS Frontiers, (xxxx), 101115. https://
pollution such as vehicular traffic, nearby
doi.org/10.1016/j.gsf.2020.11.012
The second point (P2) is located close Sun, L.; Wu, Q.; Liao, K.; Yu, P.; Cui,
to a main regional road and is downwind Duarte, A.L.; Schneider, I.L.; Artaxo, Q.; Rui, Q.; Wang, D. (2016).
of sources that include a high density P.; Oliveira, M.L.S. (2021). Contribution of heavy metals
of vehicular traffic and a large part of Spatiotemporal assessment of to toxicity of coal combustion
the city’s industries. PM2.5 aqueous particulate matter (PM10 and related fine particulate matter
extracts were obtained and bioassays PM2.5) and ozone in a Caribbean (PM2.5) in Caenorhabditis
were conducted to evaluate toxicity on urban coastal city. Geoscience elegans with wild-type or
C. elegans through several endpoints Frontiers, 101168. https://doi. susceptible genetic background.
such as lethality, growth, reproduction org/10.1016/j.gsf.2021.101168 Chemosphere, 144, 2392–2400.
and locomotion. The highest PM2.5 Moreno-Ríos, A.L.; Tejeda-Benítez, https://doi.org/10.1016/j.
concentration values were reported L.P.; Bustillo-Lecompte, C.F. chemosphere.2015.11.028
in P2. The average concentrations (2021). Sources, characteristics, Wang, M.; Nie, Y.; Liu, Y.Y.Y.; Dai, H.;
observed were 10.40 and 13.2 µg/m3 toxicity, and control of ultrafine Wang, J.; Si, B.; …; Xu, A. (2019).
in P1 and P2, respectively. The highest particles: An overview. Geoscience Transgenerational effects of
lethality and inhibition in locomotion Frontiers, 101147. https://doi. diesel particulate matter on
and reproduction on C. elegans org/10.1016/j.gsf.2021.101147 Caenorhabditis elegans through
occurred with the PM2.5 extracts Osorio-Martinez, J.; Silva, L.F.O.; Flores, maternal and multigenerational
obtained in November and December E.M.M.; Nascimento, M.S.; Picoloto, exposure. Ecotoxicology
2019 in P2. In contrast, no significant R.S.; Olivero-Verbel, J. (2021). and Environmental Safety,
changes were found in the growth of Environmental and human health 170(December 2018), 635–
nematodes exposed to PM2.5 extracts risks associated with exposure 643. https://doi.org/10.1016/j.
from any point. Also, the lethality of to hazardous elements present ecoenv.2018.12.027
the extracts with concentrations of in urban dust from Barranquilla,
PM2.5 similar to the environmental Colombian Caribbean. Journal of
ones were between 23 and 46%. Environmental Quality, (January),

195