Small,
Journal Year:
2024,
Volume and Issue:
20(48)
Published: Aug. 28, 2024
The
recovery
of
rare
earth
elements
(REEs)
from
acidic
wastewater
is
crucial
to
sustainable
development,
industrial
processes,
and
human
health.
In
this
research,
β-cyclodextrin-based
nanosponges
(β-CD/PVA-SA
NSs)
have
been
proposed
as
potential
adsorbents
for
europium
(Eu),
dysprosium
(Dy),
gadolinium
(Gd)
recovery.
are
synthesized
by
cross-linking
β-cyclodextrin
(β-CD)
functionalized
polyvinyl
alcohol
(PVA)
sodium
alginate
(SA).
Experimental
results
indicate
that
β-CD/PVA-SA
NSs
exhibit
favorable
selectivity
Eu,
Dy,
Gd,
with
the
maximum
adsorption
capacity
222,
217,
204
mg/g,
respectively,
in
addition
stability
cyclicity.
maintain
selective
effects
towards
RE
ions
present
mine
drainage
(AMD),
thereby
highlighting
their
practical
applications.
Furthermore,
density
functional
theory
(DFT)
simulations
unveiled
fundamental
interactions
between
groups
anchored
REEs,
providing
vital
insights
into
mechanism.
Hence,
utilization
has
advance
initiatives
remediating
water
pollution
facilitating
recycling
resources.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: April 2, 2024
Abstract
The
wide
range
of
pressure
detection
and
the
exceptional
linearity
are
essential
performance
parameters
for
flexible
sensors,
enabling
them
to
adapt
diverse
scenarios
acquire
information
accurately.
However,
currently
available
“ultra‐wide
range”
piezoresistive
sensors
lack
an
optimal
solution
that
effectively
balances
sensing
properties,
device
thickness,
process
cost.
This
study
proposes
a
distinctive
approach
by
introducing
Janus
conductive
structure
assembled
with
dual
resistive
sensitive
layers.
design
allows
pressure‐induced
staged
transformation
current
transport
path,
mitigating
variations
saturation
in
sensor
resistance
over
range.
resulting
demonstrates
unprecedented
0–3800
kPa,
showcasing
remarkable
sensitivity
4.11
kPa
−1
outstanding
99.9%
within
0–1000
kPa.
Additionally,
boasts
thickness
only
≈200
µm,
made
possible
through
utilization
cellulose
nanofibers
material
matrix.
These
achievements
stand
at
forefront
when
compared
existing
reports.
research
explores
potential
applications
these
extended
arrays
domains
human
health
motion
monitoring.
It
investigates
their
utility
gait
analysis
assisted
posture
correction,
as
well
assessment
rehabilitation
instability.
Nano Materials Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Inspired
by
the
skin
structure,
an
asymmetric
wettability
tri-layer
nanofiber
membrane
(TNM)
consisting
of
hydrophilic
inner
layer
loaded
with
lidocaine
hydrochloride
(LID),
hydrophobic
middle
ciprofloxacin
(CIP)
and
outer
has
been
created.
The
endows
TNM
waterproof
function
anti-adhesion
from
contaminants.
CIP
preserves
long-term
inhibition
bacteria
growth
LID
possesses
optimal
water-absorbing
capacity
air
permeability.
dramatically
elevates
water
contact
angles
10°
(inner
layer)
to
120°
(outer
layer),
indicating
wettability,
which
could
directionally
transport
wound
exudate
within
materials
meanwhile
maintain
a
comfortable
moist
environment
promote
healing.
Furthermore,
sequential
release
relieve
pain
rapidly
achieve
antibacterial
effect
in
long
run,
respectively.
In
addition,
shows
superior
biocompatibility
towards
L929
cells.
vivo
results
show
prevent
infection,
accelerate
epithelial
regeneration
significantly
This
study
indicates
developed
asymmetrical
synergetic
drug
great
potential
as
dressing
clinical
application.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(23), P. 24080 - 24089
Published: Nov. 28, 2023
The
increasing
utilization
of
X-rays
has
generated
a
growing
need
for
efficient
shielding
materials.
However,
the
existing
Pb-based
materials
suffer
from
narrow
X-ray
absorbing
range,
high
weight,
and
rigidity.
Inspired
by
natural
leaf,
which
can
efficiently
absorb
light
through
chlorophyll
carotenoids
in
confined
cells,
we
engineer
ultralight
superelastic
nanofibrous
Bi2O3/Gd2O3
meta-aerogels
(BGAs)
with
nanotrap
arrays
manipulating
3D
assembly
1D
Bi2O3
Gd2O3
nanofibers.
BGAs
synergistically
photons
complementary
energy
ranges
into
nanotraps
induce
cyclic
collisions
nanofibers,
maximizing
effective
attenuation.
meta-aerogel
exhibits
integrated
performance
efficiency
(60-83%,
16-90
keV),
ultralow
density
(10
mg
cm-3),
superelasticity.
production
these
presents
an
avenue
development
next-generation
protective
resolution
imaging
systems.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3274 - 3274
Published: Nov. 25, 2024
The
rapid
development
of
nuclear
technology
has
brought
convenience
to
medical,
industrial,
and
military
fields.
However,
long-term
exposure
a
radiation
environment
with
high
energy
will
result
in
irreversible
damage,
especially
human
health.
Traditional
lead-based
protection
materials
are
heavy,
inflexible,
inconvenient
for
applications,
could
lead
toxicity
hazards
environmental
problems.
Therefore,
it
become
mainstream
topic
produce
high-performance
shielding
that
lightweight,
flexible,
wearable.
Polymer
composites
less
dense
have
excellent
flexibility
processability,
drawing
great
interest
from
researchers
worldwide.
Many
attempts
been
made
blend
functional
particles
polymeric
matrix
flexible
wearable
composites.
This
paper
presents
an
extensive
overview
the
current
status
studies
on
lead-free
polymer
as
materials.
First,
novel
matrices
discussed,
recent
results
potential
applications
summarised.
In
addition,
strategies
preparing
their
respective
properties
analyzed.
Finally,
directions
developing
indicated,
is
beneficial
provide
additional
references
obtaining
