Materials,
Journal Year:
2022,
Volume and Issue:
16(1), P. 378 - 378
Published: Dec. 30, 2022
The
review
presents
advances
in
the
removal
of
Cr(III)
from
industrial
effluents
published
last
ten
years.
Although
has
low
solubility
and
is
less
dangerous
for
aquatic
environment
than
Cr(VI),
it
cannot
be
released
into
without
limitations
its
content
water
should
restricted.
development
efficient
techniques
also
a
response
to
problem
chromium
wastewater
containing
Cr(VI)
ions.
Very
often
first
step
dealing
with
such
reduction
content.
In
some
cases,
wastewaters
an
important
pretreatment
solutions
prepare
them
subsequent
recovery
other
metals.
review,
hydrometallurgical
operations
are
presented,
including
examples
real
precipitation,
adsorption,
ion
exchange,
extraction,
membrane
techniques,
microbial-enhanced
electrochemical
methods.
advantages
disadvantages
mentioned
presented.
Finally,
perspectives
future
line
circular
economy
low-environmental
impact
briefly
discussed.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1292 - 1292
Published: May 5, 2024
The
rapid
worldwide
industrial
growth
in
recent
years
has
made
water
contamination
by
heavy
metals
a
problem
that
requires
an
immediate
solution.
Several
strategies
have
been
proposed
for
the
decontamination
of
wastewater
terms
metal
ions.
Among
these,
methods
utilizing
adsorbent
materials
are
preferred
due
to
their
cost-effectiveness,
simplicity,
effectiveness,
and
scalability
treating
large
volumes
contaminated
water.
In
this
context,
removal
hydrogels
based
on
naturally
occurring
polymers
is
attractive
approach
remediation
as
they
offer
significant
advantages,
such
optimal
safety
profile,
good
biodegradability,
simple
low-cost
procedures
preparation.
Hydrogels
ability
absorb
water,
allowing
effective
dissolved
pollutants.
Furthermore,
can
undergo
surface
chemical
modifications
which
further
improve
retain
different
environmental
This
review
aims
summarize
advances
application
treatment
metal-contaminated
wastewater,
particularly
focusing
cellulose
derivatives.
reported
studies
highlight
how
adsorption
properties
these
be
widely
modified,
with
wide
range
capacity
ions
varying
between
2.3
2240
mg/g.
possibility
developing
new
improved
sorption
performances
also
discussed
review,
aim
improving
real
scenarios,
indicating
future
directions
field.
Gels,
Journal Year:
2023,
Volume and Issue:
9(8), P. 664 - 664
Published: Aug. 17, 2023
Chitosan-based
hydrogels
have
gained
significant
attention
for
their
potential
applications
in
water
treatment
and
purification
due
to
remarkable
properties
such
as
bioavailability,
biocompatibility,
biodegradability,
environmental
friendliness,
high
pollutants
adsorption
capacity,
capacity.
This
article
comprehensively
reviews
recent
advances
chitosan-based
hydrogel
materials
applications.
The
synthesis
methods,
structural
properties,
performance
of
are
critically
analyzed.
incorporation
various
nanomaterials
into
hydrogels,
nanoparticles,
graphene,
metal-organic
frameworks,
has
been
explored
enhance
performance.
mechanisms
purification,
including
adsorption,
filtration,
antimicrobial
activity,
also
discussed
detail.
the
removal
pollutants,
heavy
metals,
organic
contaminants,
microorganisms,
from
sources
is
highlighted.
Moreover,
challenges
future
perspectives
illustrated.
Overall,
this
provides
valuable
insights
current
state
art
regarding
highlights
addressing
global
pollution
challenges.
Small,
Journal Year:
2023,
Volume and Issue:
19(15)
Published: Jan. 5, 2023
Abstract
The
“double‐edged
sword”
effect
of
macrophages
under
the
influence
different
microenvironments
determines
outcome
and
prognosis
tissue
injury.
Accurate
stable
reprogramming
(Mφ)
are
key
to
rapid
wound
healing.
In
this
study,
an
immunized
microsphere‐engineered
GelMA
hydrogel
membrane
is
constructed
for
oral
mucosa
treatment.
nanoporous
poly(lactide‐co‐glycolide)
(PLGA)
microsphere
drug
delivery
system
combined
with
photo‐cross‐linkable
used
release
soybean
lecithin
(SL)and
IL‐4
complexes
(SL/IL‐4)
sustainedly.
way,
it
realized
effective
fit,
improvement
encapsulation,
triphasic
interleukin‐4
(IL‐4).
both
in
vivo
vitro
experiments,
demonstrated
that
can
reprogram
microenvironment
into
M2Mφ
anti‐inflammatory
types,
thereby
inhibiting
local
excessive
inflammatory
response.
Meanwhile,
high
levels
platelet‐derived
growth
factor
(PDGF)
secreted
by
enhanced
neovascular
maturation
5.7‐fold,
which
assisted
achieving
healing
mucosa.
These
findings
suggest
immuno‐engineered
re‐modulating
biological
effects
Mφ,
potentiating
neovascularization,
ultimately
repair
mucosal
tissue.
This
new
strategy
expected
be
a
safe
promising
immunomodulatory
biomimetic
material
clinical
translation.
