1 research outputs found
Correlations in metal release profiles following sorption by Lemna minor
Following the rapid uptake of contaminants in the first few hours of
exposure, plants typically attempt to cope with the toxic burden by
releasing part of the sorbed material back into the environment. The
present study investigates the general trends in the release profiles of
different metal(loid)s in the aquatic macrophyte Lemna minor and details
the correlations that exist between the release of metal(loid) species.
Water samples with distinct contamination profiles were taken from
Nilufer River (Bursa, Turkey), Yenicaga Lake (Bolu, Turkey), and Bey,
sehir Lake (Konya, Turkey) and used for release studies; 36 samples were
tested in total. Accumulation and release profiles were monitored over
five days for 11 metals and a metalloid (Pb-208, Cd-111, Cr-52, Cr-53,
Ni-60, Cu-63, Cu-65, As-75, Mn-55, Ba-137, Al-27, Fe-57, Zn-66,Zn-68)
and correlation, cluster and principal component analyses were employed
to determine the factors that affect the release of these elements.
Release profiles of the tested metal(loid) s were largely observed to be
distinct; however, strong correlations have been observed between
certain metal pairs (Cr/Ni, Cr/Cu, Zn/Ni) and principal component
analysis was able to separate the metal(loid)s into three well-resolved
groups based on their release