Materials Horizons,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 25, 2024
Inspired
by
the
toughening
phenomena
in
biological
systems,
a
synergistic
covalent-and-supramolecular
polymerization
strategy
was
applied
to
construct
mechanically
strong
transparent
materials.
Advanced Healthcare Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
The
hydrogel
adhesives
with
strong
tissue
adhesion
and
biological
characteristics
adhm202404447are
urgently
needed
for
injury
sealing
repair.
However,
the
negative
correlation
between
mechanical
strength
poses
a
challenge
their
practical
application.
Herein,
bio‐inspired
cohesive
enhancement
strategy
is
developed
to
prepare
adhesive
simultaneously
enhanced
adhesion.
double
cross‐linked
network
achieved
through
cooperation
polyacrylic
acid
grafted
N‐hydroxy
succinimide
crosslinked
by
tannic
cohesion‐enhanced
ion
crosslinking
of
sodium
alginate
Ca
2+
.
Such
unique
structure
endows
resultant
excellent
strength.
capable
various
organs
in
vitro,
exhibits
satisfactory
on‐demand
removability,
antibacterial,
antioxidant
properties.
As
proof
concept,
not
only
effectively
halts
non‐compressible
hemorrhages
beating
heart
femoral
artery
models
rats,
but
also
accelerates
healing
infected
wound
inhibiting
bacteria
reducing
inflammation.
Overall,
this
advanced
promising
as
an
emergency
rescue
that
enables
robust
closure,
timely
controlling
bleeding,
promoting
damaged
healing.
Biomimetics,
Год журнала:
2025,
Номер
10(2), С. 87 - 87
Опубликована: Фев. 1, 2025
Supramolecular
chemistry,
a
relatively
newly
grown
field,
has
emerged
as
useful
tool
to
fabricate
novel
smart
materials
with
multiple
uses.
Adhesives
find
numerous
uses,
from
heavy
engineering
biomedical
science.
are
available
in
nature;
inspired
by
them
and
their
mechanism
of
adhesion,
several
supramolecular
adhesives
have
been
developed.
In
this
review,
chemistry
for
the
design
fabrication
is
discussed.
The
discussion
divided
into
two
segments.
first
one
deals
key
forces,
implication
designing
adhesives.
second
part,
applications
discussed
suitable
examples.
This
type
review
casts
light
on
current
advancements
field
along
prospects
development.
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 23, 2025
ABSTRACT
Self‐healing
hydrogels
have
become
a
hot
research
topic
in
the
field
of
wound
care
due
to
their
ability
prevent
secondary
damage
dressing
and
reduce
risk
infection.
The
aim
this
study
was
develop
hydrogel
network
system
with
excellent
self‐healing
antimicrobial
properties,
which
is
particularly
suitable
for
applications.
stability
enhanced
by
forming
long
chains
through
lipoic
acid
(LA)
disulfide
bonding
inhibiting
chain
depolymerization
via
polygallic
(PGA)‐mediated
SAr
bonding.
In
addition,
poly(lysine)
(PL)
doped
into
electrostatic
interactions
further
enhance
structural
strength
properties
hydrogels.
This
noncovalent
gel
endowed
softness
fluidity,
enabling
them
adapt
various
shapes.
Through
experimental
results,
it
shown
that
not
only
possessed
mechanical
remarkable
ability,
but
also
exhibited
good
cytocompatibility.
Antimicrobial
tests
more
than
99.9%
effective
against
Escherichia
coli
Staphylococcus
aureus
.
Thus,
PLA/PGA/PL
self‐healing,
antimicrobial,
biocompatibility
shows
great
potential
application
as
dressings
becomes
strong
candidate
dressings.
Journal of Materials Chemistry B,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Bone
tissue
adhesives
have
advantages
such
as
preventing
stress
shielding,
fixing
small
bone
fragments,
easing
operations,
and
enhancing
wound
adaptability.
These
methods
can
be
applied
for
the
traumatic
repair
of
comminuted
fractures.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
Tissue
adhesives
are
promising
materials
for
expeditious
hemorrhage
control,
while
it
remains
a
grand
challenge
to
engineer
superior
formulation
with
instantaneous
adhesion,
on‐demand
debonding,
and
the
integration
of
multiple
desirable
properties
such
as
antibacterial
hemostatic
capabilities.
Herein,
multifunctional
supramolecular
tissue
adhesive
based
on
guanidinium‐modified
polydimethylsiloxane
(PDMS)
is
introduced,
driven
by
reversible
microphase
separation
mechanism.
By
optimizing
content
guanidinium
ions,
precise
control
over
cohesive
strength,
wettability
achieved,
resulting
in
strong
adhesion
under
both
dry
wet
conditions.
Notably,
nature
allows
convenient
removal
using
medical‐grade
alcohol,
offering
critical
advantage
easy
debonding.
Additionally,
exhibits
remarkable
antimicrobial
maintaining
excellent
biocompatibility
hemocompatibility.
Its
underwater
injectability
supports
minimally
invasive
surgical
procedures.
Furthermore,
adhesive's
ability
incorporate
solid
particles
enhances
its
versatility,
particularly
development
drug‐embedded
bioadhesives.
This
work
addresses
key
challenges
design
via
separation‐driven
working
principle,
thereby
opening
new
avenues
advanced
bioadhesives
tailored
enhanced
wound
care
outcomes.
Journal of Polymer Science,
Год журнала:
2024,
Номер
62(22), С. 4953 - 4965
Опубликована: Авг. 7, 2024
Abstract
Hydrogel
flexible
sensors
are
gaining
significant
interest
due
to
their
distinct
biocompatibility,
flexibility,
and
unique
features
of
being
adjustable
injectable,
but
there
still
problems
poor
self‐healing
performance
low
conductivity
in
the
current
stage
research.
In
this
work,
a
prefabricated
blending
method
was
used
construct
dual‐network
system
using
polyacrylamide
(PAM),
carboxymethyl
chitosan
(CMCS),
tannin
acid
(TA),
ferric
ions
(Fe
3+
)
were
introduced
apply
ionically
conductive
organic
hydrogels
sensors.
The
PAM/CMCS‐Fe
/TA
have
good
fatigue
resistance
properties,
is
as
high
6.42
S/m.
This
hydrogel‐based
sensor
for
strain
sensing
purpose
offers
lot
promise
applications
since
it
can
provide
steady,
dependable,
repeatable
electrical
impulses.
As
device
form
factors
evolve
towards
increased
complexity
and
flexibility,
the
role
of
adhesives
within
display
module
stack
becomes
increasingly
crucial.
These
are
essential
for
bonding
functional
layers
with
minimal
thickness
while
mitigating
stress
during
dynamic
behavior
flexible
devices.
This
paper
offers
a
comprehensive
overview
properties
-
such
as
adhesion,
viscoelasticity,
optical
characteristics,
environmental
reliability
necessary
stable
operation
devices
across
diverse
environments.
In
particular,
it
provides
an
in-depth
look
at
ongoing
research
in
simulation,
material
selection,
polymer
network
control,
integration
new
functionalities
to
achieve
optimal
performance.
Furthermore,
this
discusses
extensive
outcomes
addressing
growing
demand
sustainable
solutions.
Building
on
knowledge,
we
highlight
future
direction
displays.