Wasit Journal of Pure sciences,
Год журнала:
2023,
Номер
2(3), С. 311 - 325
Опубликована: Сен. 30, 2023
Magnetic
iron
oxide
nanoparticles
(Fe3O4NPs)
were
prepared
using
the
co-precipitation
technique
successfully.
The
used
to
modify
chitosan
(CHT)
use
produced
nanocomposite
(CHT/
Fe3O4NPs)
as
an
adsorbent
surface
for
removing
methyl
green
dye
from
its
aqueous
solution
.Infrared
spectroscopy
(FT-IR),
scanning
electron
microscopy
(SEM),
X-ray
dispersion
(EDS),
diffraction
(XRD)
and
thermal
gravimetric
analysis
(TGA)
characterize
Fe3O4NPs).
system
of
adsorption
was
described
by
Langmuir,
Freundlich
Temken
models.
adsorbed
capacity
increases
with
increasing
temperature
which
indicates
endothermic
nature
adsorption.
Nanomaterials,
Год журнала:
2024,
Номер
14(15), С. 1249 - 1249
Опубликована: Июль 25, 2024
The
intensive
applications
of
nanomaterials
in
the
agroecosystem
led
to
creation
several
environmental
problems.
More
efforts
are
needed
discover
new
insights
nanomaterial-microbe-plant
nexus.
This
relationship
has
dimensions,
which
may
include
transport
different
plant
organs,
nanotoxicity
soil
microbes
and
plants,
possible
regulations.
review
focuses
on
challenges
prospects
nexus
under
conditions.
previous
nano-forms
were
selected
this
study
because
rare,
published
articles
such
nanomaterials.
Under
study's
nexus,
more
carbon
nanodot-microbe-plant
discussed
along
with
role
frontier
nano-tellurium-microbe
Transport
organs
applications,
translocation
these
nanoparticles
besides
their
expected
will
be
also
reported
current
study.
Nanotoxicity
plants
was
investigated
by
taking
account
morpho-physiological,
molecular,
biochemical
concerns.
highlights
regulations
a
focus
risk
at
ecological
level
risks
human
health,
scientific
organizational
levels.
opens
many
windows
studies
near
future.
Toxics,
Год журнала:
2024,
Номер
12(8), С. 568 - 568
Опубликована: Авг. 3, 2024
This
study
investigates
plastic
litter
on
two
beaches
in
Malta,
Golden
Bay
and
Rivera
Beach,
with
a
focus
abundance,
characteristics,
sources,
the
influence
of
human
activity
pollution
levels.
Conducted
March
2023
during
low-tourist
season,
13
sediment
samples
were
collected
from
depth
5
cm
using
systematic
square
sampling
method.
Plastic
was
quantified
sorted
by
size,
shape,
color,
polymer
type,
concentrations
potentially
toxic
elements
(PTEs)
measured
(Cd,
Co,
Cr,
Cu,
Mn,
Ni,
Pb,
Zn,
Fe
via
ICP-OES).
exhibited
significantly
higher
quantities
(53.9
±
4.3
n/m