A
thermal-responsive
antibacterial
nanocomposite
(HMSN-AuNC)
was
developed
by
the
integration
of
photodynamic
gold
nanoclusters
(AuNCs)
and
a
hollow
mesoporous
silica
nanoparticle
modified
with
thermo-responsive
polymers
(HMSN-PNIPAM).
The
ultrasmall-sized
AuNCs
matched
well
pore
size
HMSN,
thus
allowing
for
diffusing
into
out
cavity
HMSN-PNIPAM.
grafted
PNIPAM
underwent
reversible
phase
transition
at
varied
temperature,
which
accompanied
change
its
apparent
volume,
realizing
switch-on/off
HMSN
pores
effectively
loading
releasing
AuNCs.
Under
light
irradiation,
in
HMSN-AuNC
could
be
released
generate
reactive
oxygen
species,
then
perform
bacteria
killing.
Therefore,
taking
advantages
thermo-responsiveness
property
AuNCs,
exhibited
"switching"
effect
on
performance
realized
controlled
manner.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(17), P. 2409 - 2409
Published: Aug. 24, 2024
Polymer-based
textiles
have
a
major
impact
on
human
well-being,
as
they
provide
the
desired
functional
protection
and
aesthetic
comfort
when
worn.
However,
natural
synthetic
polymer-based
can
also
pose
serious
health
risks,
are
surfaces
that
allow
adhesion
of
various
bacteria,
including
pathogenic
bacteria.
To
minimise
these
problems,
antibacterial
chemical
treatments
generally
applicable
in
case
textiles.
to
avoid
use
potentially
toxic
chemicals,
sustainable
approaches
require
customised
design
non-adhesive
textiles,
considering
their
chemical,
physicochemical,
constructional,
textural
properties.
Before
designing,
several
articles
required
gain
sufficient
knowledge
described
object.
Despite
urgent
need
combat
bacteria
(on
textiles),
which
global
risk,
only
few
review
been
published
address
bacterial
context
superhydrophobic
textile
materials,
while
one
article
holistically
addresses
factors
influence
this
phenomenon.
The
aim
is
expand
insufficient
about
basis
theoretical
findings
real
examples
through
high
degree
structuring,
simplification,
holistic
consideration,
visualization.
Therefore,
provides
an
insight
into
mechanisms
involved
comprehensive
overview
different
factors,
such
composition,
hydrophilicity/hydrophobicity,
surface
charge,
free
energy,
roughness,
porosity,
adhesion.
emphasise
importance
synergistic
effect
combined
hydrophilicity/hydrophobicity
combination
with
porosity
discussed.
From
review,
it
be
concluded
charge
fibres
crucial
for
adhesion,
roughness
being
most
important
among
constructive
properties
Journal of Functional Biomaterials,
Journal Year:
2024,
Volume and Issue:
15(1), P. 24 - 24
Published: Jan. 15, 2024
Thermoplastic
polyurethane
(TPU)
is
a
polymer
used
in
variety
of
fields,
including
medical
applications.
Here,
we
aimed
to
verify
if
the
brush
and
bar
coater
deposition
techniques
did
not
alter
TPU
properties.
The
topography
TPU-modified
surfaces
was
studied
via
AFM
demonstrating
no
significant
differences
between
coater-modified
surfaces,
compared
un-modified
(TPU
Film).
effect
on
planktonic
bacteria,
evaluated
by
MTT
assay,
demonstrated
their
anti-adhesive
Journal of Materials Chemistry B,
Journal Year:
2023,
Volume and Issue:
11(25), P. 5846 - 5855
Published: Jan. 1, 2023
Biodegradable
quercetin–phosphorylcholine-modified
poly(ester-urethane)
materials
were
prepared
by
a
facile
two-step
technique.
The
cast
films
simultaneously
showed
well
mechanical
properties,
surface
hemocompatibility
and
antibacterial
activity.
