Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(23), P. 1938 - 1938
Published: Dec. 2, 2024
Although
a
lot
of
recent
research
revealed
advantages
novel
biopolymers'
implementation
as
active
food
packaging
polymers,
there
is
not
an
equivalent
effort
from
industry
to
use
such
films,
probably
because
the
required
cost
change
supply
chain
and
equipment.
This
study
investigates
two
natural
abundant
nanoclays,
laponite
(Lap)
montmorillonite
(Mt),
eugenol
slow-release
carriers
for
enhancing
functionality
low-density
polyethylene
(LDPE)
films.
The
target
combine
spirit
circular
economy
with
existent
technology
broadly
used
materials
develop
attractive
product
applications.
Utilizing
vacuum-assisted
adsorption
method,
was
successfully
intercalated
into
Lap
Mt
forming
EG@Lap
EG@Mt
nanohybrids.
Testing
results
confirmed
effective
integration
dispersion
nanohybrids
within
LDPE
matrix.
most
promising
final
film
seems
be
15%
Molecules,
Journal Year:
2024,
Volume and Issue:
29(2), P. 387 - 387
Published: Jan. 12, 2024
In
2021,
global
plastics
production
was
390.7
Mt;
in
2022,
it
400.3
Mt,
showing
an
increase
of
2.4%,
and
this
rising
tendency
will
yearly.
Of
data,
less
than
2%
correspond
to
bio-based
plastics.
Currently,
polymers,
including
elastomers,
are
non-recyclable
come
from
non-renewable
sources.
Additionally,
most
elastomers
thermosets,
making
them
complex
recycle
reuse.
It
takes
hundreds
thousands
years
decompose
or
biodegrade,
contributing
plastic
waste
accumulation,
nano
microplastic
formation,
environmental
pollution.
Due
this,
the
synthesis
natural
renewable
resources
has
attracted
attention
researchers
industries.
review
paper,
new
methods
strategies
proposed
for
preparation
elastomers.
The
main
goals
advances
improvements
synthesis,
properties,
applications
industrial
rubbers,
polyurethanes,
polyesters,
polyethers,
approach
their
circular
economy
sustainability.
Olefin
metathesis
is
as
a
novel
sustainable
method
which
allows
depolymerization
degradation
rubbers
with
use
essential
oils,
terpenes,
fatty
acids,
alcohols
such
chain
transfer
agents
(CTA)
donors
terminal
groups
chain,
allow
control
molecular
weights
functional
groups,
obtaining
compounds,
oligomers,
added
value
application
polymers
materials.
This
contributes
development
that
can
reduce
carbon
emissions,
avoid
cross-contamination
fossil
fuels,
obtain
greener
material
biodegradable
and/or
compostable
behavior.
Compounds,
Journal Year:
2025,
Volume and Issue:
5(1), P. 4 - 4
Published: Feb. 3, 2025
The
depletion
of
fossil
fuels
and
environmental
concerns
have
driven
the
development
sustainable
materials,
including
bio-based
biodegradable
plastics,
as
alternatives
to
conventional
plastics.
Although
these
plastics
aid
in
waste
management
climate
change
mitigation,
their
vulnerability
oxidative
degradation
impacts
longevity,
durability,
performance.
Natural
antioxidants
such
tocopherols,
flavonoids,
tannins,
extracted
from
plants
or
agri-food
waste,
present
a
alternative
synthetic
stabilizers
by
enhancing
thermal
stability
polymers
like
poly(lactic
acid)
(PLA),
poly(butylene
succinate)
(PBS),
succinate-adipate)
(PBSA),
adipate-co-terephthalate)
(PBAT),
poly(hydroxyalkanoate)
(PHA),
starch-based
materials.
This
review
highlights
recent
advances
stabilized
with
natural
antioxidants,
mechanisms
action,
role
improving
material
properties
for
applications
packaging.
Additionally,
it
explores
impact
on
recycling
processes,
advancements
composite
production
techniques,
future
research
directions.
Bioplastics
can
achieve
enhanced
performance,
reduce
support
circular
economy
incorporating
antioxidants.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(14)
Published: April 10, 2024
Abstract
Polyethylene
(PE),
a
highly
prevalent
non‐biodegradable
polymer
in
the
field
of
plastics,
presents
waste
management
issue.
To
alleviate
this
issue,
bio‐based
PE
(bio‐PE),
derived
from
renewable
resources
like
corn
and
sugarcane,
offers
an
environmentally
friendly
alternative.
This
review
discusses
various
production
methods
bio‐PE,
including
fermentation,
gasification,
catalytic
conversion
biomass.
Interestingly,
bio‐PE
volumes
market
are
expanding
due
to
growing
environmental
concerns
regulatory
pressures.
Additionally,
biocomposites
using
agricultural
as
filler
materials,
highlights
demand
for
sustainable
alternatives
conventional
plastics.
According
previous
studies,
addition
≈50%
defibrillated
abaca
fibers
into
matrix
compatibilizer,
results
highest
Young's
modulus
4.61
5.81
GPa,
respectively.
These
have
potential
applications
automotive,
building
construction,
furniture
industries.
Moreover,
advancement
made
abiotic
biotic
degradation
is
elucidated
address
their
impacts.
Finally,
paper
concludes
with
insights
opportunities,
challenges,
future
perspectives
utilization
biocomposites.
In
summary,
can
contribute
cleaner
future.
Water,
Journal Year:
2024,
Volume and Issue:
16(5), P. 673 - 673
Published: Feb. 25, 2024
The
global
problem
of
microplastics
in
the
environment
is
“inspiring”
scientists
to
find
environmentally
friendly
and
economically
viable
methods
remove
these
pollutants
from
environment.
Advanced
oxidation
processes
are
among
most
promising
methods.
In
this
work,
potential
Fenton,
photo-Fenton,
Fenton-like
for
degradation
low-density
polyethylene
(LDPE),
polypropylene
(PP),
poly(vinyl
chloride)
(PVC)
water
suspensions
was
investigated.
influence
three
parameters
on
efficiency
process
tested:
pH
medium
(3–7),
mass
added
iron
(10–50
times
less
than
microplastics),
H2O2
(5–25
more
iron).
effectiveness
treatment
monitored
by
FTIR-ATR
spectroscopy.
After
60-min
treatments,
PP
microparticles
were
found
be
insensitive.
Fenton
PVC
photo-Fenton
LDPE
PVC,
changes
FTIR
spectra
related
observed.
cases,
optimized.
It
that
a
low
(3)
high
(optimal
values
1/12
1/10
respectively)
favored
all
three.
concentrations
(25
higher
iron),
while
significantly
lower
(11
15
treatment,
respectively),
suggesting
scavenging
activity
occurs.
JAMA Network Open,
Journal Year:
2025,
Volume and Issue:
8(4), P. e255264 - e255264
Published: April 15, 2025
Importance
In
September
2023,
the
Singapore
Ministry
of
Health
revised
national
personal
protective
equipment
(PPE)
guideline
for
health
care
personnel
(HCP)
attending
to
suspected
or
confirmed
patients
with
COVID-19,
recommending
use
N95
respirators
alone.
However,
data
on
associations
between
PPE
deescalation,
staff
COVID-19
incidence,
and
sustainability
outcomes
are
limited.
Objective
To
evaluate
deescalation
guidelines
incidence
environmental
measure.
Design,
Setting,
Participants
This
was
a
retrospective
quality
improvement
study
hospital
usage
using
from
Tan
Tock
Seng
Hospital
National
Centre
Infectious
Diseases
(NCID),
analyzing
monthly
rates
among
HCP
(all
medical
staff,
allied
workers,
ancillary
administrative
campus)
in
community
over
12
months
before
after
measures
(October
2021
2022
October
2023).
Main
Outcomes
Measures
community;
economic
removing
single-use
gowns
routine
care,
including
reductions
carbon
footprint,
plastic
waste
generation,
cost
savings.
Results
The
mean
(SD)
number
10
774
(79)
(range,
636-10
891)
preimplementation
11
099
(200)
864-11
449)
postimplementation.
Our
analysis
revealed
not
associated
an
increase
infections
trends
aligning
population
infection
rates.
median
(IQR)
rate
relative
2.6
(1.9-3.6)
compared
1.5
(0.9-3.1)
An
estimated
4
per
patient-day
were
saved,
totaling
440
532
months.
equated
reduction
costs
by
SGD
453
748
(approximately
USD
333
970)
398
681.46
kg
dioxide
equivalent
emissions
66
080
waste.
Conclusions
Relevance
observed
that
corresponded
gown
use,
costs,
generation
no
apparent
compromise
safety
health.
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(20), P. 28890 - 28904
Published: April 2, 2024
Abstract
Inappropriate
disposal
of
plastic
wastes
and
their
durability
in
nature
cause
uncontrolled
accumulation
land/marine
ecosystems,
also
causing
destructive
effects
by
bioaccumulating
along
the
food
chain.
Microplastics
may
chronic
inflammation
relation
to
permanent
structures,
especially
through
oxidative
stress
cytotoxic
cellular
damage,
which
could
increase
risk
cancer
development.
The
microplastics
liver
is
a
major
concern,
therefore,
identification
mechanisms
hepatotoxic
great
importance.
Polymethyl
methacrylate
(PMMA)
widely
used
thermoplastic.
It
has
been
determined
that
PMMA
disrupts
lipid
metabolism
various
aquatic
organisms
causes
reproductive
developmental
toxicity.
PMMA-induced
humans
have
not
yet
clarified.
In
our
study,
toxic
(in
range
3–10
μm)
on
human
were
investigated
using
HepG2/THP-1
macrophage
co-culture
model,
sensitive
immune-mediated
injury
model.
Cellular
uptake
micro-sized
cells
was
done
transmission
electron
microscopy.
Determination
its
cell
viability
inflammatory
response,
stress,
with
gene
protein
expression
levels
play
role
mechanism
pathways
underlying
investigated.
results
concluded
inflammation,
disruptions
should
be
focus
attention
as
important
hepatotoxicity.
Our
points
out
potential
adverse
health,
supports
literature
information
subject.
International Journal of Sustainable Engineering,
Journal Year:
2024,
Volume and Issue:
17(1), P. 159 - 168
Published: March 18, 2024
Scientific
advances
and
technological
requirements
to
develop
carbon
fibre-reinforced
polymers
(CFRP)
with
excellent
strength-to-weight
ratios
led
the
high
consumption
of
CFRP
composites.
The
mechanical
recycling
is
a
simpler,
more
economical,
environmentally
responsible
solution
for
effectively
recovering
this
structural
material
that
contains
epoxy
resin
fibre.
laminates
were
placed
on
Computer
Numerical
Control
(CNC)
milling
cutting
at
1100,
1800,
2500
rpm.
recovered
particles
mixed
acrylonitrile
butadiene
styrene
(ABS)
using
melt
intercalation
approach.
Recovered
increased
molecular
mobility
reduced
thermal
stability
ABS.
main
differences
between
ABS
composites
pronounced
necking
region
in
than
notable
reduction
strain.
strain
was
27.58%,
while
composites,
it
4.29,
4.02,
3.51%,
depending
speed.
Thus,
ductility
decreased
up
87%
This
work's
successful
method
provides
powder,
individual
fibres,
particles,
opening
research
field
great
economic
environmental
relevance
developing
new
materials.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1147 - 1147
Published: June 5, 2024
Microplastics
(MPs),
found
in
many
places
around
the
world,
are
thought
to
be
more
detrimental
than
other
forms
of
plastics.
At
present,
physical,
chemical,
and
biological
methods
being
used
break
down
MPs.
Compared
with
physical
chemical
methods,
biodegradation
have
been
extensively
studied
by
scholars
because
their
advantages
greenness
sustainability.
There
numerous
reports
recent
years
summarizing
microorganisms
capable
degrading
However,
there
is
a
noticeable
absence
systematic
summary
on
technology
for
breeding
strains
that
can
degrade
This
paper
summarizes
strain-breeding
MP-degrading
first
time
way,
which
provides
new
idea
efficient
strains.
Meanwhile,
potential
techniques
bacteria
MPs
proposed,
providing
direction
selecting
future.
In
addition,
this
reviews
sources
pollution
status
soil
MPs,
discusses
current
challenges
related
emphasizes
safety
MP
biodegradation.
