Molecules,
Journal Year:
2024,
Volume and Issue:
29(22), P. 5291 - 5291
Published: Nov. 8, 2024
This
study
reports
the
successful
synthesis
of
core-shell
microparticles
utilizing
coaxial
electrospray
techniques,
with
zeolitic
imidazolate
framework-8
(ZIF-8)
encapsulating
rhodamine
B
(RhB)
in
core
and
a
phase
change
material
(PCM)
shell
composed
eutectic
mixture
lauric
acid
(LA)
stearic
(SA).
ZIF-8
is
well-recognized
for
its
pH-responsive
degradation
biocompatibility,
making
it
an
ideal
candidate
targeted
drug
delivery.
The
LA-SA
PCM
mixture,
melting
point
near
physiological
temperature
(39
°C),
enables
temperature-triggered
release,
enhancing
therapeutic
precision.
structural
properties
were
extensively
characterized
through
scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
differential
calorimetry
(DSC),
thermogravimetric
analysis
(TGA).
Drug
release
studies
revealed
dual-stimuli
response,
where
RhB
was
significantly
influenced
by
both
pH.
Under
mildly
acidic
conditions
(pH
4.0)
at
40
°C,
rapid
complete
observed
within
120
h,
while
37
rate
notably
slower.
Specifically,
°C
79%
higher
than
confirming
sensitivity
system.
Moreover,
pH
(7.4),
minimal
occurred,
demonstrating
system's
potential
minimizing
premature
under
neutral
conditions.
approach
holds
promise
improving
outcomes
cancer
treatment
enabling
precise
control
over
response
to
localized
hyperthermia,
reducing
off-target
effects
patient
compliance.
Phase
change
materials
have
demonstrated
attractive
application
prospects
in
various
thermal
energy
storage
and
management
systems.
However,
the
design
manufacture
of
high-performance
phase
composites
with
tunable
properties
multiresponsive
remain
a
great
challenge.
Herein,
SiC
nanowire
aerogel
tailorable
porosity
surface
was
used
to
encapsulate
stearic
acid
for
fabricating
composites.
The
could
be
facilely
tailored
by
uniaxial
hot-pressing
method,
its
coated
C
or
SiO2
via
chemical
vapor
deposition
oxidation
method.
Meanwhile,
latent
heat
conductivity
were
tuned
tailoring
aerogel.
resulting
exhibit
ultrahigh
retention
(96.9%)
excellent
shape
stability,
cycling
recyclability.
In
addition,
multiresponsiveness
temperature,
light,
electricity,
microwave
endows
them
ability
harvest
thermal,
solar,
electric
energy,
especially
radial
energy.
This
study
provides
promising
strategy
designing
multienergy
utilization.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 11, 2025
Abstract
The
escalating
global
energy
demand
underscores
the
critical
need
for
advanced
solutions
energy‐efficient
buildings.
Passive
thermal
storage
systems
using
microencapsulated
phase
change
materials
(PCMs)
offer
promise
but
face
integration
challenges
in
cementitious
due
to
weakening
mechanical
strength,
which
arises
from
poor
shell
strength
and
weak
interfacial
bonding
with
phases.
This
study
introduces
a
novel
approach
synthesizing
functionalized
PCMs
fly
ash‐based
cenospheres
addressing
compatibility.
Cenospheres
are
perforated
PCM
encapsulation
sealed
two
different
materials:
1)
melamine‐formaldehyde
(MF),
standard
polymeric
shell;
2)
silica,
selected
its
chemical
compatibility
Experimental
results
show
that
silica
sealing
improved
by
50%
over
those
of
MF,
corroborated
molecular
dynamic
simulations
showing
silica's
binding
calcium
silicate
hydrate
exceeded
threefold,
more
than
twice
uniaxial
tensile
strength.
Thermal
analyses
confirmed
preservation
both
approaches.
work
establishes
transformative
pathway
advancing
PCM‐based
building
materials.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
The
global
energy
crisis
and
climate
change
pose
unprecedented
challenges.
Wearable
devices
with
personal
thermoregulation
harvesting
hold
great
promise
for
achieving
savings
human
thermal
comfort.
Here,
inspired
by
neurons,
a
novel
phase
material
(PCM)
is
reported
efficient
respiratory
monitoring
via
self-assembly
strategy.
use
of
gum
arabic
(GA)
enabled
the
encapsulation
polyethylene
glycol
(PEG)
targeted
distribution
carboxylated
multi-walled
carbon
nanotubes
(cMWCNTs)
simultaneously
in
poly
(ethylene
vinyl
acetate)
(EVA)
matrix.
exhibits
an
outstanding
toughness
value
14.88
MJ
m
