Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3528 - 3528
Published: Dec. 18, 2024
Artificial
blood
vessels
made
from
polyurethane
(PU)
have
been
researched
for
many
years
but
are
not
yet
in
clinical
use.
The
main
reason
was
that
the
PU
materials
prone
to
degradation
after
contact
with
and
will
also
cause
inflammation
long-term
implantation.
At
present,
has
progress
biostability
biocompatibility,
respectively.
artificial
still
requires
a
balance
between
material
stability
biocompatibility
maintain
its
vivo,
which
needs
be
further
optimized.
Based
on
requirement
of
vascular
applications,
this
paper
views
development
biostable
PU,
bioactive
bioresorbable
PU.
improvement
monomer
structure,
chemical
composition,
additives
discussed
improve
vivo.
surface
grafting
functionalization
methods
reduce
thrombosis
promote
endothelialization
improving
summarized.
In
addition,
tissue-engineered
is
rate
mechanical
properties.
ideal
must
good
properties,
stability,
at
same
time.
Finally,
application
potential
prospected.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 8437 - 8461
Published: Aug. 1, 2024
Data
published
in
2020
by
the
International
Agency
for
Research
on
Cancer
(IARC)
of
World
Health
Organization
show
that
breast
cancer
(BC)
has
become
most
common
globally,
affecting
more
than
2
million
women
each
year.
The
complex
tumor
microenvironment,
drug
resistance,
metastasis,
and
poor
prognosis
constitute
primary
challenges
current
diagnosis
treatment
BC.
Magnetic
iron
oxide
nanoparticles
(MIONPs)
have
emerged
as
a
promising
nanoplatform
diagnostic
imaging
well
therapeutic
drug-targeted
delivery
due
to
their
unique
physicochemical
properties.
extensive
surface
engineering
given
rise
multifunctionalized
MIONPs.
In
this
review,
latest
advancements
modification
strategies
MIONPs
over
past
five
years
are
summarized
categorized
constrast
agents
platforms.
Additionally,
remaining
future
prospects
MIONPs-based
targeted
discussed.
The
aging
population
necessitates
a
critical
need
for
medical
devices,
where
polymers-based
surface
lubrication
coating
is
essential
optimal
functionality.
In
fact,
and
mechanical
requirements
vary
depending
on
the
service
environment
of
different
devices.
Until
now,
key
mean
still
blank
general
preparation
hydrophilic
coatings
with
on-demand
mechanics
lubricity.
This
study
introduces
novel
tunable
properties
lubricity,
derived
from
eco-friendly
polymerizable
deep
eutectic
solvents
(PDESs)
containing
betaine,
hydroxyethyl
acrylate,
glycerol,
tannic
acid.
Unlike
traditional
high
molecular
weight
polymers,
this
approach
leverages
small-molecule,
high-biobased
PDESs,
thereby
simplifying
synthesis
process.
resulting
demonstrates
exceptional
adhesion
to
range
device
materials─including
glass,
stainless
steel,
polyvinyl
chloride,
polyurethane─thanks
content
hydroxyl
groups
pyrogallol
motifs
It
also
enables
precise
tuning
strength,
modulus,
adhesion,
hydrophilicity,
by
varying
amounts
glycerol
Furthermore,
undergoes
hydration-induced
transition
high-strength,
high-friction
low-strength,
low-friction
states,
maintaining
repeatable
performance.
Additionally,
synergistic
effects
betaine
acid
in
PDES
contribute
its
notable
antimicrobial
properties.
summary,
these
PDESs
demonstrate
significant
potential
enhancing
biomedical
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(44), P. 23370 - 23381
Published: Oct. 22, 2024
Higher
biocidability
of
fluorinated
quaternary
ammonium
salt
(QAS)
is
usually
contributed
to
its
preferential
segregation
the
surface
better
contact
with
and
kill
bacteria.
However,
whether
structure
also
elicits
performance
still
unclear.
Herein,
same
amount
a
QAS
nonfluorinated
counterpart
are
both
immobilized
on
top
eliminate
effect
concentration
distribution
only
study
their
structure-biocidability
relationship.
Briefly,
QASs
were
synthesized
by
quaternization
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(45), P. 24037 - 24044
Published: Oct. 30, 2024
Melt-spun
polyurethane
fibers
(MSPUFs)
have
garnered
popularity
owing
to
efficient
production
methods
and
exceptional
stability.
However,
the
development
of
MSPUF
has
been
restricted
by
challenges
such
as
poor
dyeability
well
energy
cost
concerns
associated
with
dyeing
process.
Herein,
we
devised
a
highly
technique
that
operates
at
lower
temperature
shorter
duration.
In
comparison
conventional
methods,
our
novel
approach
reduces
from
98
75
°C,
while
reducing
amount
dye
utilized
25%
time
50%.
this
method,
modifier
increases
both
positive
charge
amorphous
zone
fiber,
rational
conditions
are
designed
based
on
thermodynamic
kinetic
analyses.
This
strategy
enabled
76.3%
increase
in
