Advanced Biology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 14, 2024
Abstract
Stimuli‐responsive
hydrogels
have
the
capability
to
alter
their
state
in
response
changes
physiological
signals
within
application
environment,
providing
distinct
benefits
drug
delivery
applications.
Here,
acidic
pH
typically
found
acutely
infected
wounds
can
be
effectively
managed
by
incorporating
a
pH‐responsive
Ag
+
loaded
system
hydrogel,
thereby
ensuring
efficient
use
and
preventing
potential
toxicity
from
sudden
release
of
silver
ions.
The
antimicrobial
composite
hydrogel
HAMA/GelMA‐CA/Ag
provides
some
tissue
adhesion
accelerates
wound
healing.
GelMA‐CA
is
synthesized
modifying
gelatin
methacryloyl
(GelMA)
with
caffeic
acid
(CA),
while
hyaluronic
(HAMA)
introduced
prepare
double
network
hydrogel.
Silver
nitrate
then
make
it
through
formation
coordination
between
polyphenolic
structure
exhibited
excellent
antioxidant
properties
strong
activity
against
both
Staphylococcus
aureus
(S.
aureus)
Escherichia
coli
(E.
coli).
Furthermore,
accelerated
promotion
healing
rat
model
S.
aureus‐infected
wounds.
In
conclusion,
promising
bioactive
material
that
used
as
dressing
promote
Advanced Healthcare Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
Inspired
by
the
emerging
potential
of
photoluminescent
hydrogels,
this
work
unlocks
new
avenues
for
advanced
biosensing,
bioimaging,
and
drug
delivery
applications.
Carbon
quantum
dots
(CDs)
are
deemed
particularly
promising
among
various
optical
dyes,
enhancing
polymeric
networks
with
superior
physical
chemical
properties.
This
study
presents
synthesis
CDs
derived
from
Prunella
vulgaris
,
a
natural
plant
resource,
through
single‐step
hydrothermal
process,
followed
their
uniform
integration
into
hydrogel
matrices
via
an
in
situ
free
radical
graft
polymerization.
The
resulting
CD‐integrated
hydrogels
exhibit
multifunctionality
biomedical
applications,
featuring
diffusion‐controlled
release
mechanism,
permit
concurrent
therapeutic
agents,
enabling
real‐time
monitoring
over
32
h.
In
addition,
these
function
as
broad‐range
pH
sensor
(pH
3–11),
provide
robust
ultraviolet
(UV)
shielding,
demonstrate
nanozyme‐like
peroxidase
activity.
Critically,
biocompatibility
tests
confirm
non‐cytotoxicity
toward
fibroblast
cells,
establishing
candidates
diverse
These
include
wound
dressings
that
monitor
healing
process
detect
infection
sensing,
promote
nanozymatic
activity,
all
while
maintaining
moist
microenvironment.
exceptional
suitability
smart
delivery,
effective
UV‐blocking,
innovative
platforms
vivo
sensing
bioimaging.
Micromachines,
Год журнала:
2025,
Номер
16(2), С. 174 - 174
Опубликована: Янв. 31, 2025
Magnetic
polymeric
conduits
are
developing
as
revolutionary
materials
in
regenerative
medicine,
providing
exceptional
benefits
directing
tissue
healing,
improving
targeted
medication
administration,
and
facilitating
remote
control
via
external
magnetic
fields.
The
present
article
offers
a
thorough
examination
of
current
progress
the
design,
construction,
functionalization
these
hybrid
systems.
integration
nanoparticles
into
matrices
confers
distinctive
features,
including
regulated
alignment,
improved
cellular
motility,
medicinal
delivery,
while
preserving
structural
integrity.
Moreover,
incorporation
multifunctional
attributes,
such
electrical
conductivity
for
cerebral
stimulation
optical
characteristics
real-time
imaging,
expands
their
range
applications.
Essential
studies
indicate
that
dimensions,
morphology,
surface
chemistry,
composition
significantly
affect
biocompatibility,
degrading
characteristics,
overall
efficacy.
Notwithstanding
considerable
advancements,
issues
concerning
long-term
biodegradability,
scalability
persist,
addition
to
must
uniform
regulatory
frameworks
facilitate
clinical
translation.
Progress
additive
manufacturing
nanotechnology
is
overcoming
obstacles,
creation
dynamic
adaptive
conduit
structures
designed
particular
biomedical
requirements.
conduits,
by
integrating
usefulness
safety,
set
transform
therapies,
presenting
new
avenue
customized
medicine
advanced
healthcare
solutions.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
13(1), С. 423 - 435
Опубликована: Дек. 18, 2024
3D
printing
of
cellulose
acetate
(CA)-based,
sustainable,
thermally
stable
nanocomposites
is
challenging
due
to
their
fast
drying,
nozzle
clogging,
and
complex
rheological
behavior.
In
this
study,
we
developed
an
extrusion-printable
ink
based
on
CA
nanocrystals
(CNCs)
using
a
trisolvent
wet
blending
method,
followed
by
postprinting
pore-inducing
processing
technique.
The
performed
well
in
both
tensile-
compression-based
mechanical
tests.
Moreover,
the
demonstrated
malleable
deformation
during
compression
testing
without
any
premature
fracture,
unlike
commercial
commodity
plastics.
thermal
stability
was
assessed
thermogravimetric
analysis,
showing
∼
28
°C
improvement
onset
degradation
temperature
after
addition
5
wt
%
CNCs.
Solvent
tolerance
tests
against
various
solvents
indicated
excellent
solvent
resistance.
lightweight
showed
no
deterioration,
even
long-term
exposure
water
vapor.
Finally,
anticorrosion
behavior
samples
evaluated
as
coating
material
for
metal
(Al),
demonstrating
protection
corrosive
acid
vapors.
Thus,
application
3D-printed
exhibits
significant
promise
implementation
fields
lightweight,
anticorrosive
engineering
materials.
Materials,
Год журнала:
2025,
Номер
18(3), С. 637 - 637
Опубликована: Янв. 31, 2025
A
novel
green
synthesis
method
was
developed
for
sulfur-doped
carbon
dots
(S-C-dots)
using
chicken
egg
white
(CEW)
and
L-cysteine
the
rapid
cost-effective
detection
of
copper
ions
(Cu2+)
in
water.
This
one-pot,
room-temperature,
base-catalyzed
approach
eliminated
need
energy-intensive
processes
purification
steps,
adhering
to
principles
chemistry.
The
synthesized
S-C-dots
were
characterized
UV-Vis,
FT-IR,
fluorescence,
EDS,
XRD,
Z-potential
analyses.
Among
six
samples
tested,
A060
demonstrated
superior
properties,
achieving
a
limit
3.3
ppb
(52
nM)
Cu2+
aqueous
solutions.
study
highlights
potential
as
eco-friendly,
accessible,
efficient
tools
monitoring
heavy
metal
contamination
drinking
water,
offering
promising
solution
global
water
safety
challenges.
