International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(4), P. 3877 - 3877
Published: Feb. 15, 2023
The
accumulation
of
synthetic
plastic
waste
in
the
environment
has
become
a
global
concern.
Microbial
enzymes
(purified
or
as
whole-cell
biocatalysts)
represent
emerging
biotechnological
tools
for
circularity;
they
can
depolymerize
materials
into
reusable
building
blocks,
but
their
contribution
must
be
considered
within
context
present
management
practices.
This
review
reports
on
prospective
bio-recycling
framework
Europe.
Available
biotechnology
support
polyethylene
terephthalate
(PET)
recycling.
However,
PET
represents
only
≈7%
unrecycled
waste.
Polyurethanes,
principal
fraction,
together
with
other
thermosets
and
more
recalcitrant
thermoplastics
(e.g.,
polyolefins)
are
next
plausible
target
enzyme-based
depolymerization,
even
if
this
process
is
currently
effective
ideal
polyester-based
polymers.
To
extend
to
circularity,
optimization
collection
sorting
systems
should
feed
chemoenzymatic
technologies
treatment
mixed
In
addition,
new
bio-based
lower
environmental
impact
comparison
approaches
developed
(available
new)
materials,
that
designed
required
durability
being
susceptible
action
enzymes.
Sustainability,
Journal Year:
2021,
Volume and Issue:
13(17), P. 9963 - 9963
Published: Sept. 6, 2021
Plastic
pollution
is
ubiquitous
in
terrestrial
and
aquatic
ecosystems.
waste
exposed
to
the
environment
creates
problems
of
significant
concern
for
all
life
forms.
production
accumulation
natural
are
occurring
at
an
unprecedented
rate
due
indiscriminate
use,
inadequate
recycling,
deposits
landfills.
In
2019,
global
plastic
was
370
million
tons,
with
only
9%
it
being
recycled,
12%
incinerated,
remaining
left
or
The
leakage
wastes
into
ecosystems
rate.
management
a
challenging
problem
researchers,
policymakers,
citizens,
other
stakeholders.
Therefore,
here,
we
summarize
current
understanding
concerns
plastics
(microplastics
nanoplastics)
on
overall
goal
this
review
provide
background
assessment
adverse
effects
ecosystems;
interlink
sustainable
development
goals;
address
policy
initiatives
under
transdisciplinary
approaches
through
cycle
assessment,
circular
economy,
sustainability;
identify
knowledge
gaps;
recommendations.
community
involvement
socio-economic
inputs
different
countries
presented
discussed.
ban
policies
public
awareness
likely
major
mitigation
interventions.
need
circularity
assess
potential
environmental
impacts
resources
used
throughout
product’s
span
emphasized.
Innovations
needed
reduce,
reuse,
recycle,
recover
find
eco-friendly
replacements
plastics.
Empowering
educating
communities
citizens
act
collectively
minimize
use
alternative
options
must
be
promoted
enforced.
that
addressed
utmost
priority.
Environment International,
Journal Year:
2021,
Volume and Issue:
158, P. 106908 - 106908
Published: Oct. 5, 2021
Antimony
(Sb)
is
introduced
into
soils,
sediments,
and
aquatic
environments
from
various
sources
such
as
weathering
of
sulfide
ores,
leaching
mining
wastes,
anthropogenic
activities.
High
Sb
concentrations
are
toxic
to
ecosystems
potentially
public
health
via
the
accumulation
in
food
chain.
Although
poisonous
carcinogenic
humans,
exact
mechanisms
causing
toxicity
still
remain
unclear.
Most
studies
concerning
remediation
soils
contaminated
with
have
evaluated
amendments
that
reduce
bioavailability
toxicity.
However,
there
no
comprehensive
review
on
biogeochemistry
transformation
related
its
remediation.
Therefore,
present
summarizes:
(1)
geochemical
distribution
speciation
environments,
(2)
biogeochemical
processes
govern
mobilization,
bioavailability,
possible
threats
human
ecosystem
health,
(3)
approaches
used
remediate
Sb-contaminated
water
mitigate
potential
environmental
risks.
Knowledge
gaps
future
research
needs
also
discussed.
The
presents
up-to-date
knowledge
about
fate
contributes
an
important
insight
hazards
Sb.
findings
should
help
develop
innovative
appropriate
technologies
for
controlling
sustainably
managing
Sb-polluted
water,
subsequently
minimizing
Journal of Hazardous Materials Advances,
Journal Year:
2022,
Volume and Issue:
6, P. 100057 - 100057
Published: Feb. 24, 2022
The
last
decade
has
been
transformative
for
micro(nano)plastic
(MnP)
research
with
recent
discoveries
revealing
the
extent
and
magnitude
of
MnP
pollution,
even
in
world's
most
remote
places.
Historically,
while
researchers
recognized
that
plastic
pollution
was
derived
from
land-based
sources,
it
generally
believed
microplastic
particles
(i.e.,
fragments
<5
mm)
only
a
marine
issue
effects
largely
impacting
biota.
However,
over
progressed
rapidly
MnPs
freshwater,
snow,
ice,
soil,
terrestrial
biota,
air
found
ocean
spray.
have
now
every
environmental
compartment
on
earth,
within
tissues
gastrointestinal
tracts
thousands
species,
including
humans,
resulting
harmful
effects.
10
years
also
seen
development
new
techniques
analysis,
re-purposing
old
technologies
allowing
us
to
determine
down
nano
size
range
(<1
µm).
This
short
review
summarizes
what
key
milestones
major
advances
made
nanoplastic
environment,
their
fate,
decade.
Journal of Hazardous Materials Advances,
Journal Year:
2022,
Volume and Issue:
6, P. 100077 - 100077
Published: April 21, 2022
Particulate
plastic
fragments
(micro
and
nano-plastics)
in
aquatic
environments
provide
abundant
solid
substrates,
which
serve
as
an
important
habitat
for
a
variety
of
microorganisms.
Surfaces
microplastics
(MPs)
exhibit
hydrophobicity
that
facilitate
the
adsorption
dissolved
organic
carbon
(DOC)
environment.
Furthermore,
MPs
act
substrata,
well
source
including
readily
bioavailable
DOC,
promote
formation
microbial
biofilms.
These
biofilms
have
varied
metabolic
actions
govern
subsequent
succession
micro-
meso-organisms
habitation
MPs.
The
assemblage
ecosystems
colonising
environment
is
often
referred
to
“plastisphere”.
Polymer
type,
environmental
conditions,
nutrient
status,
salinity,
season,
affect
composition
biofilm.
Microbial
accelerated
by
biofilm
on
particulate
plastics
enables
movement
microorganisms,
especially
environment,
impacts
transport
toxicity
contaminants
associated
with
these
fragments.
This
review
paper
describes
processes
formation,
factors
affecting
implications
mobility
degradation
MPs,
bioavailability
