Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Lethal
bleeding
from
severe
trauma
or
surgical
injuries
to
vital
organs
threatens
the
lives
of
patients.
Advanced
design
efficient
hemostatic
sealants
endowed
with
both
rapid
curing
and
strong
tissue
adhesion
remains
a
considerable
challenge.
This
study
proposes
novel
strategy
that
implements
covalent
linkages
biological
tissues
during
sealant
curing.
A
rapidly
photocurable
strongly
adhesive
based
on
diazirine‐conjugated
chitosan
(DC)
is
successfully
developed,
demonstrating
gelation
time
8
s
burst
pressure
200
mmHg.
The
DC
accelerates
in
vitro
clotting
by
facilitating
aggregation
erythrocytes
platelets,
as
well
platelet
activation.
In
liver
perforation
model,
substantially
promotes
healing
hepatic
wounds
improves
survival.
not
only
achieves
hemostasis
incision,
femoral
artery
perforation,
cardiac
but
also
recovery
rabbit
model.
phototriggered
opens
up
new
avenue
for
clinical
applications,
particularly
lethal
hemorrhage.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 7, 2025
Abstract
Clay‐based
hemostatic
materials
are
commercially
available
devices
designed
to
control
massive
bleeding.
However,
their
widespread
application
is
hindered
by
concerns
related
material
safety
and
efficacy.
In
this
study,
a
aerogel
composed
of
cellulose
nanofibers
(CNFs)
Calcium
ion‐exchanged
nanoporous
zeolite
developed.
CNFs
facilitate
the
in‐situ
synthesis
zeolites,
zeolites
firmly
embedded
within
through
abundant
hydrogen
bonds.
Notably,
loading
in
only
2.89
wt.%,
significantly
lower
than
18.76
wt.%
kaolin
content
QuikClot
combat
gauze.
Despite
low
loading,
exhibit
high
efficiency
promoting
prothrombin‐to‐thrombin
conversion
accelerating
blood
clotting.
The
reduced
content,
combined
with
its
strong
binding
matrix,
minimizes
risks
exothermic
burns
detached
particle‐induced
distal
thrombosis.
animal
experiments
reveal
that
rapidly
controls
severe
femoral
artery
bleeding
substantially
reduces
loss.
This
study
presents
novel
formulation
zeolite‐based
materials,
offering
remarkable
improvements
both
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Lethal
bleeding
from
severe
trauma
or
surgical
injuries
to
vital
organs
threatens
the
lives
of
patients.
Advanced
design
efficient
hemostatic
sealants
endowed
with
both
rapid
curing
and
strong
tissue
adhesion
remains
a
considerable
challenge.
This
study
proposes
novel
strategy
that
implements
covalent
linkages
biological
tissues
during
sealant
curing.
A
rapidly
photocurable
strongly
adhesive
based
on
diazirine‐conjugated
chitosan
(DC)
is
successfully
developed,
demonstrating
gelation
time
8
s
burst
pressure
200
mmHg.
The
DC
accelerates
in
vitro
clotting
by
facilitating
aggregation
erythrocytes
platelets,
as
well
platelet
activation.
In
liver
perforation
model,
substantially
promotes
healing
hepatic
wounds
improves
survival.
not
only
achieves
hemostasis
incision,
femoral
artery
perforation,
cardiac
but
also
recovery
rabbit
model.
phototriggered
opens
up
new
avenue
for
clinical
applications,
particularly
lethal
hemorrhage.