Applied Sciences,
Год журнала:
2024,
Номер
14(24), С. 11942 - 11942
Опубликована: Дек. 20, 2024
Plastics
play
a
crucial
role
in
modern
life,
but
their
accumulation
poses
serious
threat
to
both
the
environment
and
human
health.
Due
effects
on
terrestrial
aquatic
environment,
it
is
essential
develop
sustainable
approaches
dispose
of
waste
plastics.
Traditional
methods
plastic
disposal,
such
as
burning
landfilling,
are
problematic
since
they
produce
hazardous
byproducts.
Biodegradation
potentially
effective,
eco-friendly
approach
which
uses
microbial
consortia
or
isolated
enzymes
break
down
waste.
Enzymes
interact
with
surfaces
hydrolyse
large
polymer
chains
into
smaller
units.
These
byproducts
can
then
be
utilised
carbon
sources
by
microbes,
eventually
converted
CO2
water.
This
review
explores
principal
degradation,
focus
existing
emerging
polymers
made
readily
biodegradable.
In
addition,
valorisation
for
converting
valuable
considered.
The
implementation
circular
economy
expected
lead
further
development,
including
scaling
up
efficient
bio-upcycling
processes,
serve
stimulate
environmental
removal
value-added
use
post-consumer
streams.
Applied Microbiology and Biotechnology,
Год журнала:
2024,
Номер
108(1)
Опубликована: Июль 10, 2024
Environmental
concerns
arising
from
the
increasing
use
of
polluting
plastics
highlight
polylactic
acid
(PLA)
as
a
promising
eco-friendly
alternative.
PLA
is
biodegradable
polyester
that
can
be
produced
through
fermentation
renewable
resources.
Together
with
its
excellent
properties,
suitable
for
wide
range
applications,
has
increased
significantly
over
years
and
expected
to
further
grow.
However,
insufficient
degradability
under
natural
conditions
emphasizes
need
exploration
biodegradation
mechanisms,
intending
develop
more
efficient
techniques
waste
disposal
recycling
or
upcycling.
Biodegradation
occurs
secretion
depolymerizing
enzymes,
mainly
proteases,
lipases,
cutinases,
esterases,
by
various
microorganisms.
This
review
focuses
on
enzymatic
degradation
presents
different
enzymes
were
isolated
purified
PLA-degrading
microorganisms,
recombinantly
expressed.
The
depicts
main
characteristics
including
recent
advances
analytical
methods
used
evaluate
enantiopurity
activity.
While
complete
solid
particles
still
difficult
achieve,
future
research
improvement
enzyme
properties
may
provide
an
avenue
development
advanced
procedures
upcycling,
utilizing
building
blocks
applications
envisaged
circular
economy
principles.
KEY
POINTS:
•
Enzymes
promisingly
utilized
Natural
recombinant
depolymerases
activity
evaluation
are
summarized.
Approaches
improve
discussed.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(2), С. 4199 - 4209
Опубликована: Янв. 7, 2025
Nervous
system
disorders
are
characterized
by
a
progressive
loss
of
function
and
structure
neurons
that
ultimately
leads
to
decline
in
cognitive
motor
functions.
In
this
study,
we
used
interfacial
polyelectrolyte
complexation
(IPC)
produce
fibers
for
neural
tissue
regeneration.
IPC
is
processing
method
allows
spinning
sensitive
biopolymers.
The
rate
the
properties
biopolymers
(charge
molecular
weight)
influence
different
characteristics
such
as
size
stability,
among
others.
We
two
major
components
neuronal
stem
cell
niche,
polycationic
collagen
(Col)
polyanionic
hyaluronic
acid
(HA),
obtain
bioactive
fibers.
tested
HA
with
weights
found
medium
high
(350
1200
kDa,
respectively)
enabled
drawing
microfibers
homogeneous
distribution
Col
HA,
whereas
low-molecular-weight
(40
kDa)
did
not
allow
spinning.
obtained
showed
swelling
ability
physiological
buffer:
their
diameters
increased
more
than
5-fold
from
dry
state.
At
these
conditions,
tensile
storage
moduli
were
similar
nervous
tissues.
Collagenase
hyaluronidase
change
morphology
up
3
days
but
reduced
2-
3-fold.
Assays
PC12
neuronal-like
cells
support
adhesion
viability
regardless
weight
HA.
Emerging
technologies-empowered
thermochemical
plastic
valorization
is
developed
for
value-added
products
in
green
and
practical
manner,
which
are
beneficial
to
achieving
circular
economy
several
UN
sustainable
development
goals.
Chemical Communications,
Год журнала:
2024,
Номер
60(67), С. 8860 - 8863
Опубликована: Янв. 1, 2024
We
have
constructed
a
bimetallic
(CoNiP)
nanozyme,
leveraging
the
synergistic
effect
of
cobalt
and
nickel,
which
efficiently
catalyzes
oxidation
TMB
from
colorless
to
ox-TMB
(blue).
Density
functional
theory
(DFT)
calculations
further
highlight
pivotal
role
this
in
improving
adsorption
energy
oxygen
intermediates,
accelerating
catalytic
process.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(38), С. 17574 - 17583
Опубликована: Сен. 5, 2024
Chemical
recycling
is
a
promising
strategy
to
establish
circular
plastic
economy,
and
it
still
in
an
early
stage
of
development.
In
this
work,
the
reductive
depolymerization
polyesters
polycarbonates
into
their
corresponding
borylated
alcohols
promoted
by
heterogeneous
lanthanum
materials
was
described.
Grafting
easily
accessible
tris(aminobenzyl)
complex
La(CH
