Current Status and Challenges in the Commercial Production of Polyhydroxyalkanoate-Based Bioplastic: A Review
Shina Gautam,
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Alok Gautam,
No information about this author
Juily Pawaday
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et al.
Processes,
Journal Year:
2024,
Volume and Issue:
12(8), P. 1720 - 1720
Published: Aug. 15, 2024
The
escalating
worldwide
concerns
over
the
difficult
degradation
and
pollution
of
plastic
its
associated
environmental
health
risks
have
amplified
urgent
need
to
develop
biodegradable
alternatives
traditional
plastics.
Polyhydroxyalkanoates
(PHAs)
emerged
as
a
promising
class
biopolymers
that
offer
sustainable
solution.
Their
commercial
success
in
various
applications
has
highlighted
PHAs’
potential
mitigate
impact.
Critical
economic
feasibility
PHA
production
is
optimization
downstream
processing
methods,
crucial
for
scaling
operations
from
pilot
industrial
scales.
This
paper
reviews
two
decades
pilot-scale
studies
on
extraction,
emphasizing
advancements
challenges
encountered.
It
also
discusses
chemical
extraction
methods
applied
across
different
feedstock
microbial
strains,
highlighting
their
role
enhancing
efficiency
sustainability.
comprehensive
review
underscores
imperative
advancing
technologies,
particularly
refining
techniques,
facilitate
broader
adoption
industries
seeking
environmentally
friendly
conventional
Language: Английский
Emerging Biochemical Conversion for Plastic Waste Management: A Review
Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1255 - 1255
Published: March 11, 2025
In
recent
years,
vast
amounts
of
plastic
waste
have
been
released
into
the
environment
worldwide,
posing
a
severe
threat
to
human
health
and
ecosystems.
Despite
partial
success
traditional
management
technologies,
their
limitations
underscore
need
for
innovative
approaches.
This
review
provides
comprehensive
overview
advancements
in
chemical
biological
technologies
converting
utilizing
waste.
Key
topics
include
technical
parameters,
characteristics,
processes,
reaction
mechanisms
underlying
these
emerging
technologies.
Additionally,
highlights
importance
conducting
economic
analyses
life
cycle
assessments
offering
valuable
insights
establishing
robust
foundation
future
research.
By
leveraging
literature
from
last
five
this
explores
approaches,
such
as
hydrolysis,
hydrogenolysis,
alcoholysis,
ammonolysis,
pyrolysis,
photolysis,
which
break
down
high-molecular-weight
macromolecules
oligomers
or
small
molecules
by
cracking
depolymerizing
specific
groups
within
molecules.
It
also
examines
methods,
including
microbial
enzymatic
degradation,
employs
microorganisms
enzymes
convert
through
degradation
assimilation
mechanisms.
The
concludes
discussing
research
directions
focused
on
addressing
technological,
economic,
scalability
challenges
with
strong
commitment
promoting
sustainable
solutions
achieving
lasting
environmental
impact.
Language: Английский
Microplastic pollution: Critical analysis of global hotspots and their impact on health and ecosystems
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
381, P. 124995 - 124995
Published: April 7, 2025
Language: Английский
Micro(nano)plastics, an emerging health problem
Estefanía Denise Wolfenson,
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Carlos Bustos
No information about this author
Published: April 22, 2025
Background:
Environmental
pollutants
have
become
ubiquitous
in
the
last
two
centuries;
of
these,
plastics,
and
particular
microplastics
(<5
mm),
became
most
prevalent
pollutants.Microplastics
are
present
air,
water
food
chain,
produced
as
such
or
come
from
decomposition
larger
plastic
materials.
Despite
social
advances
that
enabled
mismanagement
their
waste
has
an
urgent
global
problem.
Pioneering
studies
on
toxicity
shown
exposure
induces
oxidative
stress,
inflammation
decreased
cell
viability
living
organisms.
Current
research
suggests
these
transported
throughout
environment
can
accumulate
human
tissues;
however,
health
effects,
especially
mammals,
remains
very
limited.
Material
methods:
exploratory
literature
review
was
carried
out,
taking
into
account
inclusion
criteria:
years
publication
2018-2024,
English
Spanish
language,
subject
matter
related
to
effects
beings,
health,
any
geographical
area,
with
open
access
full
text.
The
study
variables
were
bibliometric,
content
scientific
quality.
Results
conclusions:
presence
micro-
nanoplastics
impact
is
increasing
concern,
they
act
vectors
hazardous
substances
endocrine
disruptors,
affect
various
body
systems
trigger
toxicological
responses.
progress
understanding
more
needed
establish
reference
values
testing
techniques.
importance
addressing
this
problem
a
collaborative
manner
governments,
industry
civil
society
through
public
policies
continuous
monitoring
highlighted.
Comprehensive
intervention
essential
address
Language: Английский
Micro- and nanoplastics: a global threat to health and the environment
Estefanía Denise Wolfenson,
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Cristina Angelica Bustos
No information about this author
Published: April 22, 2025
Over
recent
decades,
the
mass
production
of
plastics
has
significantly
transformed
consumption
patterns
and
industrial
processes,
with
environmental
health
consequences.
Among
these,
growing
presence
micro-
nanoplastics,
tiny
particles
derived
from
degradation
larger
or
manufactured
directly,
stands
out.
These
were
detected
in
various
ecosystems
human
body,
which
generated
scientific
concern.
The
studies
reviewed
revealed
that
these
pollutants
acted
as
vectors
toxic
substances,
affecting
biodiversity
posing
a
risk
to
by
causing
inflammation,
endocrine
disruptions
transgenerational
effects.
Despite
advances
detection
technologies
mitigation
strategies
—
such
recycling,
circular
economy
biodegradation
challenges
persisted
standardisation
methodologies,
toxicological
knowledge
regulatory
development,
making
an
interdisciplinary
coordinated
approach
urgent.
Language: Английский
Microplásticos y nanoplásticos: una amenaza para la salud humana y el medio ambiente
Víctor Ruiz Santoyo,
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Jorge Alejandro Cruz-Mérida,
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Sarahí García Carvajal
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et al.
Mundo Nano Revista Interdisciplinaria en Nanociencia y Nanotecnología,
Journal Year:
2024,
Volume and Issue:
18(34), P. 1e - 26e
Published: Sept. 20, 2024
Los
microplásticos
y
nanoplásticos
representan
una
amenaza
para
la
salud
humana
el
medio
ambiente.
Estos
fragmentos
a
escala
nanométrica
micrométrica
provienen
de
diversas
fuentes
generación,
todas
ellas
resultado
actividades
humanas
productos
fabricados
por
hombre.
Las
repercusiones
ambiente
son
preocupantes
debido
su
naturaleza
química,
estos
presentan
desafíos
significativos
detección
eliminación
poder
actuar
como
vectores
transferencia
contaminantes
químicos
biológicos.
En
cuanto
los
métodos
identificación
eliminación,
actualmente
se
exploran
enfoques
físicos,
biotecnológicos.
Sin
embargo,
aún
necesita
investigar
profundidad,
mejorar
eficacia
viabilidad
estas
técnicas
en
necesaria
abordar
problema.
La
gestión
representa
un
desafío
multifacético,
cual
requiere
acción
coordinada
mitigar
sus
impactos
negativos.
presente
revisión
aborda
daño
potencial
causado
micro
al
equilibrio
medioambiental,
las
fisicoquímicos
posibles
rutas
eliminación.
Reactive extraction of muconic acid by hydrophobic phosphonium ionic liquids - Experimental, modelling and optimisation with Artificial Neural Networks
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(16), P. e36113 - e36113
Published: Aug. 1, 2024
Muconic
acid
is
a
six-carbon
dicarboxylic
with
conjugated
double
bonds
that
finds
extensive
use
in
the
food
(additive),
chemical
(production
of
adipic
acid,
monomer
for
functional
resins
and
bio-plastics),
pharmaceutical
sectors.
The
biosynthesis
muconic
has
been
subject
recent
industrial
scientific
attention.
However,
because
its
low
concentration
aqueous
solutions
high
purity
requirement,
downstream
separation
presents
significant
problem.
Artificial
Neural
Networks
Differential
Evolution
were
used
to
optimize
process
parameters
recovery
from
streams
system
n-heptane
as
an
organic
diluent
ionic
liquids
extractants.
using
120
g/L
tri-hexyl-tetra-decyl-phosphonium
decanoate
dissolved
n-heptane,
pH
phase
3,
20
min
contact
time,
45
°C
temperature
assured
extraction
efficiency
99,24
%.
Low
stripping
compared
was
observed
optimum
conditions
on
step
(120
heptane).
re-extraction
efficiencies
obtained
recycled
three
consecutive
stages
close
first
stage.
mechanism
analysis
proved
analysed
phosphonium
(PILSs)
extracts
only
undissociated
molecules
through
H-bonding.
Language: Английский
Advancing plastics bio-upcycling with photosynthetic microorganisms using bioengineering and bioconversion strategies
Hazlam Shamin Ahmad Shaberi,
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Hamidun Bunawan,
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Sean Craig
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et al.
Algal Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 103755 - 103755
Published: Oct. 1, 2024
Language: Английский
The invisible threat: micro- and nanoplastics in ecosystems and human bodies
Estefanía Denise Wolfenson,
No information about this author
Claudia A. Bustos
No information about this author
Published: Dec. 30, 2024
Contamination
by
micro-
and
nanoplastics
became
a
growing
environmental
health
concern
worldwide.
These
tiny
particles,
originating
from
the
degradation
of
plastics
or
created
for
industrial
use,
invaded
ecosystems
human
body.
In
Argentina,
this
problem
emerged
as
significant
challenge
public
health.
Microplastics
were
detected
in
rivers,
Argentine
Sea
even
breast
milk,
which
caused
alarm
due
to
their
possible
effects,
such
hormonal
alterations,
inflammation
accumulation
vital
organs.
The
main
sources
included
urban
plastic
waste,
textile
industry,
cosmetic
products
agricultural
practices.
Although
similar
situations
also
observed
Latin
America,
research
policies
showed
different
levels
progress.
urgent
need
improve
waste
management,
promote
more
effective
regulations
education
mitigate
impact
these
pollutants
was
highlighted.
Language: Английский