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.
Heliyon,
Год журнала:
2023,
Номер
9(10), С. e20440 - e20440
Опубликована: Сен. 26, 2023
Microplastics,
measuring
less
than
5
mm
in
diameter,
are
now
found
various
environmental
media,
including
soil,
water,
and
air,
have
infiltrated
the
food
chain,
ultimately
becoming
a
part
of
human
diet.
This
study
offers
comprehensive
examination
intricate
nexus
between
microplastics
health,
thereby
contributing
to
existing
knowledge
on
subject.
Sources
microplastics,
microfibers
from
textiles,
personal
care
products,
wastewater
treatment
plants,
among
others,
were
assessed.
The
meticulously
examined
diverse
routes
microplastic
exposure—ingestion,
inhalation,
dermal
contact—offering
insights
into
associated
health
risks.
Notably,
ingestion
has
been
linked
gastrointestinal
disturbances,
endocrine
disruption,
potential
transmission
pathogenic
bacteria.
Inhalation
airborne
emerges
as
critical
concern,
with
possible
implications
for
respiratory
cardiovascular
health.
Dermal
contact,
although
explored,
raises
prospect
skin
irritation
allergic
reactions.
impacts
COVID-19
pollution
also
highlighted.
Throughout
manuscript,
need
deeper
mechanistic
understanding
interactions
systems
is
emphasized,
underscoring
urgency
further
research
public
awareness.
Environments,
Год журнала:
2023,
Номер
10(5), С. 70 - 70
Опубликована: Апрель 24, 2023
Plastic
litter
is
on
the
rise
where
plastic
waste
ends
up
in
undesignated
areas
such
as
coastal
shorelines,
exposed
to
environmental
conditions.
As
a
result,
degradation
and
decomposition
of
plastics
occur,
leading
formation
smaller
fragments
plastics,
termed
microplastics.
Microplastics
have
recently
been
considered
an
emerging
class
contaminants
due
their
ecotoxicological
impact
aquatic
environment
well
soil
matrix.
are
size
less
than
5
mm
produced
from
either
primary
source
(such
pellets,
beads
makeup
products)
or
secondary
wear
tear
normal-use
washing
clothes
textiles).
Microplastic
pollution
spread
across
hydrosphere,
pedosphere,
atmosphere,
these
zones
being
studied
for
microplastic
accumulation
individually.
However,
there
exists
source–sink
dynamic
between
compartments.
This
study
reviews
available
literature
research
discusses
current
state
fate
transport
explores
microplastics
communities,
provides
prospective
future
directions
management
strategies
control
pollution.
While
hydrosphere
well-documented
researched,
studies
understanding
mechanism
pedosphere
atmosphere
remain
poorly
understood.
In
recent
decades,
the
accumulation
and
fragmentation
of
plastics
on
surface
planet
have
caused
several
long-term
climatic
health
risks.
Plastic
materials,
specifically
microplastics
(MPs;
sizes
<
5
mm),
gained
significant
interest
in
global
scientific
fraternity
due
to
their
bioaccumulation,
non-biodegradability,
ecotoxicological
effects
living
organisms.
This
study
explains
how
are
generated,
transported,
disposed
environment
based
sources
physicochemical
properties.
Additionally,
also
examines
impact
COVID-19
plastic
waste
production.
The
physical
chemical
techniques
such
as
SEM-EDX,
PLM,
FTIR,
Raman,
TG-DSC,
GC-MS
that
employed
for
quantification
identification
MPs
discussed.
paper
provides
insight
into
conventional
advanced
methods
applied
microplastic
removal
from
aquatic
systems.
finding
this
review
helps
gain
a
deeper
understanding
research
toxicity
humans,
organisms,
soil
ecosystems.
Further,
efforts
measures
been
enforced
globally
combat
MP
highlighted
need
be
explored
reduce
its
potential
risk
future.
Environmental Pollution,
Год журнала:
2024,
Номер
348, С. 123792 - 123792
Опубликована: Март 20, 2024
The
production
and
consumption
of
disposable
face
masks
(DFMs)
increased
intensely
during
the
COVID-19
pandemic,
leading
to
a
high
amount
them
being
found
in
terrestrial
aquatic
environment.
main
goal
this
research
study
is
conduct
comparative
evaluation
water-leachability
microplastics
(MPs)
chemical
additives
from
various
types
surgical/medical
(MM
DFMs)
filtering
pieces
(FFPs).
Fourier-Transform
Infrared
Spectroscopy
was
used
for
MPs
analysis.
Liquid
Chromatography/High
Resolution
Mass
Spectrometry
analyse
analytes
presented
water-leachates
DFMs.
FFPs
released
3-4
times
more
microplastic
particles
compared
MM
release
into
water
all
tested
DFMs
without
mechanical
stress
suggests
potential
MP
contamination
originating
DFM
process.
Our
first
time
identified
bisphenol
B
(0.25-0.42
μg/L)
1,4-bis(2-ethylhexyl)
sulfosuccinate
(163.9-115.0
as
leachables
vary
size,
with
predominant
<100
μm,
order
MMIIR
>
MMII
FFP3>FFP2>MMI.
type
leachates
investigated
polypropylene,
accounting
93-97%
82-83%
FFPs.
Other
polymers
such
polyethylene,
polycarbonate,
polyester/polyethylene
terephthalate,
polyamide/Nylon,
polyvinylchloride,
ethylene-propylene
copolymer
were
also
identified,
but
smaller
amounts.
wider
variety
higher
percentage
(17-18%)
other
(3-7%).
Fragments
fibres
water-leachate
samples,
fragments,
particularly
debris
polypropylene
fibres,
most
common
morphotype.
findings
are
important
contributing
additional
data
develop
science-based
policy
recommendations
on
health
environmental
impacts
associated
originated
