Polymers from Renewable Resources,
Год журнала:
2023,
Номер
14(2), С. 108 - 153
Опубликована: Фев. 6, 2023
The
limited
degradation
of
synthetic
polymers
used
in
food
packaging
when
discarded
the
environment
is
a
major
concern
for
society.
Therefore,
industry
and
academia
have
sought
to
develop
biodegradable
eco-friendly
materials
single-use
packaging.
An
interesting
alternative
polymeric
films,
which
why
different
biopolymers
been
production
sustainable
It
worth
mentioning
that
use
one
most
successful
innovations
address
issues
related
environment.
Among
available
raw
materials,
starch
extracted
from
renewable
sources
very
promising
this
purpose,
due
its
abundance,
low-cost
compared
other
ability
produce
non-toxic
films.
However,
alone,
pure
has
many
limitations,
can
be
overcome
by
developing
mixture
with
(polymer
blends),
preferably
sources,
such
as
poly(lactic
acid)
(PLA).
In
context,
absence
literature
reviews
evidencing
results
application
films
foods
led
us
write
article,
given
importance
polymer
blends
produced
types
(cassava,
corn,
pea,
potato,
rice
wheat)
PLA
matrix.
According
results,
it
clear
based
on
PLA/Starch
are
promising,
already
being
part
industries
solutions,
aiming
minimize
large
volume
plastic
waste
petrochemical
origin
nature.
Obviously,
any
technology,
more
research
needed
further
improve
performance
while
much
made
great
strides,
there
still
limitations
prevent
commercialization
these
materials.
Journal of Hazardous Materials Advances,
Год журнала:
2023,
Номер
10, С. 100298 - 100298
Опубликована: Апрель 19, 2023
Microplastics
in
the
environment
can
absorb
and
interact
with
organic
pollutants,
altering
their
toxic
effects
making
microplastics
more
difficult
to
treat.
Previous
reports
have
focused
on
source,
distribution
ecotoxicity
of
different
environmental
substrates.
come
from
two
main
sources:
(1)
a
significant
direct
input
primary
(2)
secondary
resulting
fragmentation
larger
plastic
materials.
migrate
through
atmospheric,
freshwater,
marine
terrestrial
environments.
To
investigate,
uniform
methods
for
monitoring
examining
will
be
developed
combined
source
tracking
technologies
research
impact.
(including
additives)
inadvertently
ingested
by
organisms,
cause
physical
damage,
wide
range
biological,
physiological
behaviors
molecular
effects.
present
toxicity
organism
due
its
role
as
vector
chemical
pollutants
ecosystems.
Moreover,
key
recommendations
are
made
future
research,
we
call
additional
efforts
focus
occurrence
fate
environments,
particularly
atmosphere
soil,
further
investigate
mechanisms
microplastic
toxicity.
Ecological Indicators,
Год журнала:
2023,
Номер
149, С. 110179 - 110179
Опубликована: Март 27, 2023
Microplastic
(MP)
contamination
of
marine
ecosystems
has
been
confirmed
as
an
environmental
issue
global
concern.
A
growing
number
monitoring
surveys
extensively
documented
the
occurrence
and
distribution
a
wide
array
MPs
different
sizes,
shapes,
colours,
polymeric
compositions
in
seawater,
sediments,
organisms
worldwide.
The
presence
explored
many
species
belonging
to
taxonomic
groups
collected
diverse
geographical
locations.
These
studies
have
revealed
ingestion
bioaccumulation
at
each
trophic
level,
confirming
ubiquity
MP
ecosystems.
This
systematic
review
aimed
summarizing
results
vast
literature
concerning
1)
shed
light
on
potential
differences
body
burden
among
2)
investigate
spatial
temporal
variation
level.
Our
analyses
showed
that,
independently
geographic
origin
sample,
significantly
differed
levels
and/or
groups.
Zooplankton
lowest
levels,
while
highest
were
observed
vertebrates
other
than
fish
(i.e.
mammals,
birds
reptiles).
In
contrast,
no
or
noted,
that
all
can
ingest
accumulate
MPs,
but
large
variability
within
precludes
opportunity
identify
patterns
contamination.
The Science of The Total Environment,
Год журнала:
2024,
Номер
927, С. 172124 - 172124
Опубликована: Март 31, 2024
Recent
studies
have
highlighted
the
prevalence
of
microplastic
(MP)
pollution
in
global
marine
environment
and
these
pollutants
been
found
to
contaminate
even
remote
regions,
including
Southern
Ocean
south
polar
front.
Previous
this
region
mostly
focused
on
MPs
larger
than
300
μm,
potentially
underestimating
extent
MP
pollution.
This
study
is
first
investigate
surface
waters
front,
with
a
focus
small
500-11
μm
size.
Seventeen
water
samples
were
collected
southern
Weddell
Sea
using
an
in-house-designed
sampling
system.
The
analysis
entire
sample
micro-Fourier
transform
infrared
spectroscopy
(μFTIR)
focal
plane
array
(FPA)
detection
revealed
presence
all
samples,
vast
majority
detected
being
smaller
(98.3
%).
mean
concentration
reached
43.5
(±
83.8)
m
Environmental Science Advances,
Год журнала:
2024,
Номер
3(4), С. 543 - 560
Опубликована: Янв. 1, 2024
The
review
presents
a
complete
update
of
previous
reviews
on
the
topics
environmental
contamination,
climate
change
and
human
impact
Antarctic
ecosystems.
Environmental Research,
Год журнала:
2023,
Номер
231, С. 116227 - 116227
Опубликована: Май 25, 2023
Microplastics
(MP)
and
nanoplastics
(NP)
contamination
of
the
terrestrial
environment
is
a
growing
concern
worldwide
thought
to
impact
soil
biota,
particularly
micro
mesofauna
community,
by
various
processes
that
may
contribute
global
change
in
systems.
Soils
act
as
long-term
sink
for
MP,
accumulating
these
contaminants
increasing
their
adverse
impacts
on
ecosystems.
Consequently,
whole
ecosystem
impacted
microplastic
pollution,
which
also
threatens
human
health
potential
transfer
food
web.
In
general,
ingestion
MP
different
concentrations
can
adversely
affect
development
reproduction,
impacting
moves
horizontally
vertically
because
movement
organisms
disturbance
caused
plants.
However,
effects
micro-and
are
largely
overlooked.
Here,
we
give
most
recent
information
forgotten
microfauna
communities
(protists,
tardigrades,
rotifers,
nematodes,
collembola
mites).
More
than
50
studies
focused
between
1990
2022
have
been
reviewed.
plastic
pollution
does
not
directly
survival
organisms,
except
under
co-contaminated
plastics
increase
(e.g.
tire-tread
particles
springtails).
Besides,
they
at
oxidative
stress
reduced
reproduction
potworms,
springtails
or
It
was
observed
could
passive
transporters,
shown
mites.
Finally,
this
review
discusses
how
micro-
play
key
role
facilitating
(bio-)degradation
NP
through
systems
and,
therefore,
depths.
research
should
be
mixtures,
community
level
experiments.
Royal Society Open Science,
Год журнала:
2023,
Номер
10(3)
Опубликована: Март 1, 2023
Microplastics
(MP)
have
been
reported
in
Southern
Ocean
(SO),
where
they
are
likely
to
encounter
Antarctic
zooplankton
and
enter
pelagic
food
webs.
Here
we
assess
the
presence
of
MP
within
krill
(
Euphausia
superba
)
salps
Salpa
thompsoni
quantify
their
abundance
type
by
micro-Fourier
transform
infrared
microscopy.
were
found
both
species,
with
fibres
being
more
abundant
than
fragments
(krill:
56.25%
salps:
22.32%
total
MP).
Polymer
identification
indicated
originated
from
local
distant
sources.
Our
findings
prove
how
situ
ingestion
these
organisms
is
a
real
ongoing
process
SO.
amount
was
higher
(2.13
±
0.26
ind
−1
(1.38
0.42
),
while
size
extracted
(130
30
µm)
significantly
lower
(330
50
µm).
We
suggest
that
differences
between
ingested
two
species
may
be
related
strategies,
ability
fragment
as
well
different
human
pressures
collection
areas
study
region.
First
comparative
field-based
evidence
salps,
emblematic
SO
marine
ecosystems,
underlines
ecosystems
particularly
sensitive
plastic
pollution.
Microbial Biotechnology,
Год журнала:
2024,
Номер
17(4)
Опубликована: Апрель 1, 2024
Microorganisms
known
as
psychrophiles/psychrotrophs,
which
survive
in
cold
climates,
constitute
majority
of
the
biosphere
on
Earth.
Their
capability
to
produce
cold-active
enzymes
along
with
other
distinguishing
characteristics
allows
them
environments.
Due
relative
ease
large-scale
production
compared
from
plants
and
animals,
commercial
uses
microbial
enzyme
are
alluring.
The
ocean
depths,
polar,
alpine
regions,
make
up
over
85%
planet,
inhabited
ecosystems.
Microbes
living
these
regions
important
for
their
metabolic
contribution
ecosphere
well
enzymes,
may
have
potential
industrial
applications.
Cold-adapted
microorganisms
a
possible
source
that
high
catalytic
efficacy
at
low
moderate
temperatures
homologous
mesophilic
not
active.
Cold-active
can
be
used
variety
biotechnological
processes,
including
food
processing,
additives
detergent
industries,
textile
industry,
waste-water
treatment,
biopulping,
environmental
bioremediation
biotransformation,
molecular
biology
applications
great
energy
savings.
Genetically
manipulated
strains
suitable
producing
particular
would
crucial
advantage
cold-adapted
will
probably
lead
greater
annual
market
than
thermo-stable
near
future.
This
review
includes
latest
updates
various
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Март 6, 2024
The
Arctic
and
Antarctica
represent
two
of
the
most
inhospitable
poorly
investigated
biomes
in
world.
Although
polar
regions
are
still
perceived
as
some
pristine
places
existence,
these
remote
no
longer
immune
to
anthropogenic
pollution,
particular,
micro-
nanoplastics.
Seabirds,
avian
species
feeding
mainly
at
sea,
indicators
change
environment
an
early
study
group
ecological
for
plastic
pollution.
goal
this
bibliometric
overview
is
evaluate
international
research
trends
on
impacts
microplastics
(MPs)
nanoplastics
(NPs)
seabirds
inhabiting
regions.
A
total
least
13
seabird
were
reported
have
ingested
MPs
from
1983–2023.
Overall,
1130
samples
investigated,
including
stomach
content,
pouch
guano,
pellets.
Pellets
substrate
(699),
followed
by
contents
(309),
guano
(101),
(21).
median
31.5
per
sample
was
found
Arctic,
with
average
7.2
sample.
35
Antarctica,
1.1
frequently
fragment
form.
3526
retrieved
stomachs
(3013),
pellets
(398),
(75),
(40).
Polyethylene
dominant
polymer
found,
polypropylene
polystyrene.
monitoring
MP
ingestion
crucial
mitigating
marine
terrestrial
organisms.
Standardized
protocols
could
boost
safeguarding
reduce
