Geoderma,
Год журнала:
2023,
Номер
439, С. 116679 - 116679
Опубликована: Окт. 4, 2023
The
presence
of
biodegradable
microplastics
(MPs)
has
the
potential
to
affect
soil
pH,
and
possibly
accelerate
or
inhibit
loss
inorganic
carbon
(SIC)
in
calcareous
soils.
However,
most
researchers
have
focused
on
release
biotic
dioxide
(CO2)
from
soils
following
MP
amendments,
few
studies
investigated
SIC-derived
CO2.
In
this
experiment,
three
typical
MPs
were
applied
amended
with
1
%
13C-labeled
(99
atom)
carbonate,
CO2
originating
SIC
was
quantified.
total
emissions,
microbial
functional
genes
involved
nitrification
denitrification
also
detected.
Throughout
contribution
carbonate
emissions
ranged
0.42
3.31
%.
impact
varied
incubation
period.
At
early
stage
(≤20
days),
amendment
increased
abiotic
some
cases,
positively
correlated
decomposition
SOC
MPs.
late
(20–70
inhibited
treatments.
Moreover,
there
negative
relationships
pH
amoA
gene
ammonia-oxidizing
archaea
(AOA),
but
positive
correlations
ammonia
oxidizing
bacteria
(AOB)
nirK
nirS
encoding
nitrate
reductase
denitrification.
Our
results
indicate
that
long-term
exposure
probably
regulates
H+
process
by
controlling
AOB,
then
dynamics
Polymers,
Год журнала:
2024,
Номер
16(8), С. 1159 - 1159
Опубликована: Апрель 20, 2024
Natural
and
synthetic
polymers
are
a
versatile
platform
for
developing
biomaterials
in
the
biomedical
environmental
fields.
organic
compounds
that
found
nature.
The
most
common
natural
include
polysaccharides,
such
as
alginate,
hyaluronic
acid,
starch,
proteins,
e.g.,
collagen,
silk,
fibrin,
bacterial
polyesters.
have
already
been
applied
numerous
sectors,
carriers
drug
delivery,
tissue
engineering,
stem
cell
morphogenesis,
wound
healing,
regenerative
medicine,
food
packaging,
etc.
Various
polymers,
including
poly(lactic
acid),
poly(acrylic
poly(vinyl
alcohol),
polyethylene
glycol,
etc.,
biocompatible
biodegradable;
therefore,
they
studied
controlled
release
systems,
nano-carriers,
dispersion
of
biofilms,
gene
delivery
bio-ink
3D-printing,
textiles
agriculture,
heavy
metals
removal,
packaging.
In
following
review,
recent
advancements
polymer
chemistry,
which
enable
imparting
specific
functions
will
be
discussed
detail,
antiviral,
anticancer,
antimicrobial
activities.
This
work
contains
authors’
experimental
contributions
to
applications.
review
is
vast
overview
used
fields,
synthesis,
isolation
methods,
critically
assessessing
their
advantages,
limitations,
prospects.
International Journal of Environmental Research and Public Health,
Год журнала:
2023,
Номер
20(17), С. 6667 - 6667
Опубликована: Авг. 28, 2023
Plastics,
due
to
their
varied
properties,
find
use
in
different
sectors
such
as
agriculture,
packaging,
pharmaceuticals,
textiles,
and
construction,
mention
a
few.
Excessive
of
plastics
results
lot
plastic
waste
buildup.
Poorly
managed
(as
shown
by
heaps
on
dumpsites,
free
spaces,
along
roads,
marine
systems)
the
landfills,
are
just
fraction
environment.
A
complete
picture
should
include
micro
nano-plastics
(MNPs)
hydrosphere,
biosphere,
lithosphere,
atmosphere,
current
extreme
weather
conditions
(which
effects
climate
change),
wear
tear,
other
factors
promote
MNP
formation.
MNPs
pose
threat
environment
more
than
pristine
counterparts.
This
review
highlights
entry
occurrence
primary
secondary
soil,
water
air,
together
with
aging.
Furthermore,
uptake
internalization,
plants,
animals,
humans
discussed,
toxicity
effects.
Finally,
future
perspective
conclusion
given.
The
material
utilized
this
work
was
acquired
from
published
articles
internet
using
keywords
waste,
degradation,
microplastic,
aging,
toxicity.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(30), С. 11206 - 11217
Опубликована: Июль 20, 2023
Soil
ecosystems
are
under
considerable
pressure
due
to
anthropogenic
factors,
including
microplastics
(MPs)
pollution
and
drought.
However,
little
is
known
about
the
interactive
effects
of
MPs
drought
on
soil
organisms,
especially
micro-food
web.
We
conducted
a
microcosm
experiment
with
(including
two
types
sizes
MPs)
investigate
their
interaction
microbial,
protist,
nematode
communities
in
found
that
significantly
decreased
complexity
stability
web,
greater
negative
biodegradable
smaller-sized
than
conventional
larger-sized
MPs.
Drought
had
web
non-MPs
soils
while
increasing
soils.
increased
proportion
correlations
between
bacteria
fungi
decreasing
protists
nematodes
Our
study
reveals
may
alleviate
by
reducing
competition
among
lower
trophic
levels
higher
