Gallium Nanostructure‐Based Microneedle Patch for Multidrug‐Resistant Bacterial Wound Healing: Enhanced Metal Release and NIR Photothermal Effect
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 17, 2024
Abstract
Bacterial
infections,
especially
caused
by
multidrug‐resistant
bacteria,
pose
a
big
challenge
to
the
healthcare
system.
As
group
of
historic
agents,
metals
with
broad‐spectrum
antibacterial
activity
are
regarded
as
promising
alternatives
tackle
antibiotic
resistance.
Among
them,
gallium
ions
have
presented
encouraging
effects
in
research
and
preclinic
studies.
However,
utilization
has
difficulty
achieving
high
targeting
long‐term
effectiveness.
With
renaissance
liquid
metal,
here,
novel
facile
nanostructure
is
proposed
which
polydopamine‐modified
nanocore
serves
an
ion
reservoir
for
enhanced
metal
release
surface
also
permits
secondary
reaction,
allowing
situ
formation
Ag
nanoparticles
improve
property,
ROS
generation,
photothermal
performance.
Notably,
≈100%
bacterial
killing
efficacy
can
be
achieved
when
combined
NIR
laser
irradiation.
The
vivo
treatment
results
methicillin‐resistant
Staphylococcus
aureus
(MRSA)‐infected
mice
demonstrate
that
microneedle
patch
loaded
exhibits
outstanding
elimination
inflammation
alleviation,
promotes
angiogenesis
collagen
deposition,
further
accelerating
wound
healing.
This
gallium‐based
offers
effective
nanoplatform
treatments
combinatory
strategies,
holds
significant
promise
refractory
bacteria
related
infections.
Язык: Английский
Lignin‐Based Vitrimer for High‐Resolution and Full‐Component Rapidly Recycled Liquid Metal Printed Circuit
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 14, 2025
Abstract
Room‐temperature
liquid
metals
(RTLMs)
exhibit
inherent
fluidity,
metallic
conductivity,
remarkable
stability,
and
recyclability,
which
indicate
significant
potential
for
applications
in
improving
the
efficiency
of
electronics
recycling
reducing
costs.
However,
low
viscosity
RTLMs
their
poor
interfacial
adhesion
to
substrates
typically
necessitate
utilization
intricate
fabrication
processes.
Here,
a
viscosity‐tunable,
photothermal
repairable,
full‐component
recyclable
eutectic
gallium–indium/epoxy‐modified
lignin/polyethylene
glycol
diacid/ethylene
vitrimer
(EGaIn‐LPEv)
is
presented
printed
circuits.
The
system
displays
good
stability
tunable
at
room
temperature
because
ultra‐high
reactive
site
content
modified
lignin
dual
dynamic
bonding
by
introduction
ethylene
glycol.
EGaIn‐LPEv‐based
circuit
exhibits
high
resolution
full
component
recovery
up
7.6
µm
98.3
wt.%,
respectively.
As
principal
component,
not
only
enhances
system's
green
credentials
but
also
endows
it
with
an
efficient
repairable
capability.
reconnection
damaged
can
be
achieved
15
s
through
808
nm
infrared
activation.
This
study
opens
new
avenue
development
manufacturing
processes
sustainable
application
advanced,
high‐resolution,
fully
recycled
electronic
devices.
Язык: Английский
Investigating the phase transition sequence and thermal diffusion behavior of Ga-In and Ga-Sn liquid metals
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 179536 - 179536
Опубликована: Март 1, 2025
Язык: Английский
Injectable Bismuth‐Based Composite Enable Bone Defect Repair for Osteosarcoma Treatment and Mild Magnetothermal Bone Regeneration
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Abstract
Bone
implant
materials
are
essential
for
treating
bone
defects
in
clinical,
however,
current
options
face
challenges
minimally
invasive
implantation,
precise
situ
molding,
and
long
surgical
times
with
large
incisions.
To
address
these
drawbacks,
the
newly‐emerging
low‐melting‐point
bismuth‐based
alloys
as
injectable
implants,
combined
clinically
applied
polymethyl
methacrylate
(PMMA)
cement
proposed
here
to
innovatively
design
multifunctional
bismuth‐PMMA
composites
(BPCs)
effective
repair.
The
as‐prepared
BPCs
offer
excellent
injectability,
enhanced
mechanical
properties
(≈252%
increase
compressive
strength),
favorable
magnetothermal
effects,
enabling
invasive,
molding
via
easygoing
injection
orthopedic
surgeries.
introduction
of
PMMA
significantly
improves
strength
while
maintaining
injectability
bismuth
alloys,
reduces
exothermic
heat
during
curing
prevent
thermal
damage
tissue.
In
vivo
experiments
demonstrate
that
under
an
alternating
magnetic
field,
exhibit
outstanding
tumor
cell
killing
capability
inhibit
osteosarcoma
growth
through
efficient
hyperthermia.
Further,
long‐term
implantation
results
coupled
histological
analysis
display
stable
filling
evident
regeneration,
attributed
collaborative
efficacy
BPC
mild
therapy.
This
study
promises
revolutionize
repair
provide
a
versatile
strategy
3D‐printed
orthopedics
future.
Язык: Английский
Liquid metal flexible multifunctional sensors with ultra-high conductivity for use as wearable sensors, joule heaters and electromagnetic shielding materials
Yuling Lv,
Qiaoyan Wei,
Liangdong Ye
и другие.
Composites Part B Engineering,
Год журнала:
2024,
Номер
291, С. 112064 - 112064
Опубликована: Дек. 7, 2024
Язык: Английский
Pressure effect on ternary phase diagrams: Bi-Sb-Pb as a case study
Peleg Lider,
Shir Ben Shalom,
Guy Makov
и другие.
Calphad,
Год журнала:
2024,
Номер
87, С. 102759 - 102759
Опубликована: Окт. 16, 2024
Язык: Английский
Ubiquitous Liquid Metal 3D Printing: From Gas, Liquid to Rigid Media
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
Abstract
Liquid
metals
(LMs)
are
opening
large
spaces
for
achieving
functional
3D
printing.
However,
previous
fabrication
strategies
ever
developed
so
far
can
only
address
a
specific
printing
task
that
has
yet
to
fulfill
various
needs.
Conceiving
all
fabrications
and
their
output
quality
dominated
by
the
interactions
between
inks
ambient
environment,
this
review
is
dedicated
presenting
generalized
framework
toward
ubiquitous
LM
summarizing
its
category
thus
integrated.
A
panoramic
view
provided
intentionally
administrating
interfacial
among
different
media
guide
ink
modification
optimization.
Further,
interpreted,
ranging
from
gases,
liquids
soft
matters,
biological
tissues,
even
rigid
materials,
exploring
key
mechanisms
such
as
oxidation
facilitation,
heat
dissipation,
structural
support,
modulus
matching,
strong
wettability,
high
reactivity.
Following
that,
inks,
typical
technologies,
diverse
working
media,
enabled
applications
reviewed.
The
elucidation
of
these
interactions,
particularly
physical
chemical
effects,
lead
incubation
future
centers.
It
expected
interactional
mold
additive
manufacturing
into
ever‐powerful
tools
in
coming
time.
Язык: Английский