Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 16, 2025
Abstract
Ensuring
drinking
water
safety
remains
a
critical
challenge,
particularly
when
treating
complex
sources,
due
to
secondary
pollution
caused
by
active
chemical
additives.
Herein,
novel
CO
2
‐responsive
smart
wood
scaffold
that
leverages
non‐toxic
activation
is
developed
achieve
highly
efficient
removal
of
carcinogenic
natural
organic
matter
(NOM)
and
broad‐spectrum
microbial
disinfection
without
requiring
additional
agents.
Unlike
conventional
purification
techniques
face
safety‐efficacy
trade‐off,
the
multi‐stage
offers
exceptional
tunability
in
NOM
abatement
across
diverse
environmental
conditions,
including
variable
chemistry,
composition,
high
salinity,
real‐world
sources.
The
purified
meets
stringent
standards
(e.g.,
UV
254
reduction,
dissolved
carbon
removal,
bacterial
elimination).
It
found
adsorption
mainly
originates
from
strong
stable
‐triggered
cation−π
interaction
between
surface
aromatic
groups,
as
revealed
via
high‐resolution
mass
spectrometry
direct
intermolecular
force
measurements.
This
ecofriendly
contamination‐free
strategy
provides
transformative
approach
overcoming
challenges
purification,
offering
scalable
sustainable
platform
for
applications
beyond.
Advanced Materials,
Год журнала:
2024,
Номер
36(19)
Опубликована: Фев. 11, 2024
Abstract
Stimulus‐responsive
membranes
demonstrate
promising
applications
in
switchable
oil/water
emulsion
separations.
However,
they
are
unsuitable
for
the
treatment
of
double
emulsions
like
oil‐in‐water‐in‐oil
(O/W/O)
and
water‐in‐oil‐in‐water
(W/O/W)
emulsions.
For
efficient
separation
these
complicated
emulsions,
fine
control
over
wettability,
response
time,
aperture
structure
membrane
is
required.
Herein,
dual‐coated
fibers
consisting
primary
photothermal‐responsive
secondary
CO
2
‐responsive
coatings
prepared
by
two
steps.
Automated
weaving
produces
with
photothermal‐
characteristics
narrow
pore
size
distributions.
These
exhibit
fast
switching
wettability
between
superhydrophilicity
(under
stimulation)
high
hydrophobicity
near‐infrared
stimulation),
achieving
on‐demand
various
O/W/O
W/O/W
efficiencies
exceeding
99.6%.
Two‐dimensional
low‐field
nuclear
magnetic
resonance
correlated
spectra
technique
used
to
clarify
underlying
mechanism
separation.
The
approach
can
effectively
address
challenges
associated
use
stimulus‐responsive
facilitate
industrial
application
membranes.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(20), С. 7950 - 7963
Опубликована: Май 3, 2024
CO2-switchable
hydrogels
have
been
well
documented
during
the
past
decade;
however,
reversible
response
makes
them
unable
to
sequestrate
CO2
owing
gas
release
and
viscosity
reduction
under
high
temperatures,
weakening
their
capacity
absorb
CO2.
To
address
this
issue,
a
series
of
copolymers
based
on
grafting
poly(dimethylaminopropyl
methacrylamide)
onto
backbone
sodium
carboxymethyl
cellulose
(NaCMC)
were
prepared,
characterized,
examined
rheologically.
In
semidilute
entangled
regime,
copolymer
aqueous
solutions
can
be
gelled
in
presence
CO2,
but
they
cannot
revert
solution
phase
after
bubbling
N2
at
60
°C.
With
such
irreversibility,
1
wt
%
with
24.88
mol
DMAPMAm
up
12.1
mg·g–1,
whereas
only
18.2%
absorbed
is
released
heating
This
work
paves
new
way
develop
irreversible
for
sequestration.
Abstract
Efficient
electrochemical
CO
2
reduction
reaction
(CO
RR)
requires
advanced
gas‐diffusion
electrodes
(GDEs)
with
tunned
microenvironment
to
overcome
low
availability
in
the
vicinity
of
catalyst
layer.
Herein,
for
first
time,
pyridine‐containing
microgels‐augmented
is
presented
Cu
O‐based
GDE
high‐rate
ethylene,
owing
presence
‐phil
microgels
amine
moieties.
Microgels
as
three‐dimensional
polymer
networks
act
micro‐reservoirs
engineer
and
boost
local
availability.
The
superior
ethylene
production
performance
modified
by
4‐vinyl
pyridine
microgels,
compared
diethylaminoethyl
methacrylate
indicates
bifunctional
effect
pyridine‐based
enhance
availability,
electrocatalytic
reduction.
While
Faradaic
efficiency
(FE)
without
was
capped
at
43%
300
mA
cm
−2
,
showed
56%
FE
700
.
A
similar
trend
observed
zero‐gap
design,
GDEs
58%
−4.0
cell
voltage
(>350
current
density),
resulting
over
2‐fold
improvement
production.
This
study
showcases
use
a
higher
rate
RR‐to‐C
2+
opening
an
avenue
several
other
more
selective
efficient
electrolysis.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
Porous
polymers,
including
hydrogels,
covalent
organic
frameworks
(COFs),
and
hyper
crosslinked
polymers
(HCPs),
have
become
essential
in
biomedical
research
for
their
tunable
pore
architectures,
large
surface
areas,
functional
versatility.
This
review
provides
a
comprehensive
overview
of
classification
updated
synthesis
mechanisms,
such
as
3D
printing,
electrospinning,
molecular
imprinting.
Their
pivotal
roles
drug
delivery,
tissue
engineering,
wound
healing,
photodynamic/photothermal
therapies,
focusing
on
how
size,
distribution,
architecture
impact
release,
cellular
interactions,
therapeutic
outcomes,
are
explored.
Key
challenges,
biocompatibility,
mechanical
strength,
controlled
degradation,
scalability,
critically
assessed
alongside
emerging
strategies
to
enhance
clinical
potential.
Finally,
recent
challenges
future
perspectives,
emphasizing
the
broader
applications
porous
addressed.
work
valuable
insights
advancing
next-generation
innovations
through
these
materials.
