ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 6214 - 6228
Published: March 4, 2024
Biofilms
are
responsible
for
most
bacterial
infections
and
significantly
threaten
human
health.
Designing
effective
less
harmful
materials
to
inhibit
remove
biofilms
remains
a
significant
challenge.
Complex
biofilm
structures
make
conventional
antibiotic
treatments
ineffective,
in
recent
years,
photothermal
therapy
(PTT)
photodynamic
(PDT)
have
attracted
attention
their
ability
treat
drug-resistant
effectively.
Therefore,
synergistic
nanoantimicrobial
system
(PFH/TCPP@SL@PDA)
enhances
the
effect
through
PTT
PDT.
It
is
synthesized
by
loading
meso-tetra(4-carboxyphenyl)
porphine
(TCPP)
on
soybean
lecithin
(SL),
further
coating
perfluorohexane
(PFH)
finally
polydopamine
(PDA)
outer
layer.
The
designed
alleviates
hypoxic
properties
of
microenvironment
oxygen
PDT
generate
more
reactive
species.
enhanced
permeability
improved
antimicrobial
properties,
with
over
95%
inhibition
multidrug-resistant
(MDR)
Escherichia
coli
MDR
Staphylococcus
aureus
while
inhibiting
removing
90%
biofilms.
PDA
not
only
acts
as
good
nanoshell
but
also
induces
relatively
mild
can
facilitate
reaction
PFH/TCPP@SL@PDA
has
biocompatibility,
hemolysis
test
showed
than
5%
erythrocytes,
effectively
relieving
inflammatory
symptoms
accelerating
wound
healing
mice
model.
In
conclusion,
this
study
provides
an
efficient
safe
combined
therapeutic
strategy
inhibition,
suppression,
removal
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(38)
Published: April 27, 2024
Abstract
Antibacterial
photodynamic
therapy
(aPDT)
and
antibacterial
sonodynamic
(aSDT)
utilize
sensitizers
(photosensitizers/sonosensitizers)
to
produce
reactive
oxygen
species
(ROS)
for
treatment
under
the
stimulation
of
light/ultrasound,
which
have
characteristics
broad‐spectrum
properties,
low
drug‐resistance,
effective
targeting
infected
tissues.
Nanomaterials
in
aPDT/aSDT
are
primarily
used
as
nano‐sensitizers
or
nano‐carriers
sensitizers.
They
enhance
stability
permeability
sensitizers,
improve
strengthen
photodynamic/sonodynamic
properties
(modification
absorption
efficiency
light/ultrasonic
response
stress
by
modulation
nanoparticle
shape,
size,
structure).
Also,
they
modifiability
(controlling
release
rate
time
sensitizer
needed
optimize
therapeutic
effect),
programmability
multifunctionality
(flexible
application
nanotechnology
designing
with
multiple
functions,
such
drug
delivery,
targeted
therapy,
monitoring),
expand
possibilities
combination
therapies
(the
can
be
loaded
other
agents,
enabling
therapies).
expected
further
promote
development
achieve
improved
effects.
This
review
summarizes
progress
nanomaterials
recent
years
based
on
current
strategies
provide
a
theoretical
reference
aPDT/aSDT.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(13), P. 8307 - 8472
Published: June 26, 2024
Due
to
the
intrinsic
non-invasive
nature,
cost-effectiveness,
high
safety,
and
real-time
capabilities,
besides
diagnostic
imaging,
ultrasound
as
a
typical
mechanical
wave
has
been
extensively
developed
physical
tool
for
versatile
biomedical
applications.
Especially,
prosperity
of
nanotechnology
nanomedicine
invigorates
landscape
ultrasound-based
medicine.
The
unprecedented
surge
in
research
enthusiasm
dedicated
efforts
have
led
mass
multifunctional
micro-/nanosystems
being
applied
biomedicine,
facilitating
precise
diagnosis,
effective
treatment,
personalized
theranostics.
deployment
applications
is
rooted
profound
understanding
relationship
among
composition,
structure,
property,
bioactivity,
application,
performance.
In
this
comprehensive
review,
we
elaborate
on
general
principles
regarding
design,
synthesis,
functionalization,
optimization
abundant
particular,
recent
advancements
imaging
are
meticulously
summarized.
Furthermore,
systematically
elucidate
state-of-the-art
studies
concerning
progress
therapeutic
targeting
various
pathological
abnormalities
including
cancer,
bacterial
infection,
brain
diseases,
cardiovascular
metabolic
diseases.
Finally,
conclude
provide
an
outlook
field
with
in-depth
discussion
challenges
faced
future
developments
further
extensive
clinical
translation
application.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(21), P. 13910 - 13923
Published: May 16, 2024
Thanks
to
their
excellent
photoelectric
characteristics
generate
cytotoxic
reactive
oxygen
species
(ROS)
under
the
light-activation
process,
TiO2
nanomaterials
have
shown
significant
potential
in
photodynamic
therapy
(PDT)
for
solid
tumors.
Nevertheless,
limited
penetration
depth
of
TiO2-based
photosensitizers
and
excitation
sources
(UV/visible
light)
PDT
remains
a
formidable
challenge
when
confronted
with
complex
tumor
microenvironments
(TMEs).
Here,
we
present
H2O2-driven
black
mesoporous
nanomotor
near-infrared
(NIR)
light
absorption
capability
autonomous
navigation
ability,
which
effectively
enhances
NIR
light-triggered
PDT.
The
was
rationally
designed
fabricated
based
on
Janus
nanostructure,
consists
light-responsive
nanosphere
an
enzyme-modified
periodic
organosilica
(PMO)
nanorod
that
wraps
around
nanosphere.
overexpressed
H2O2
can
drive
TME
catalysis
catalase
PMO
domain.
By
precisely
controlling
ratio
compartments
TiO2&PMO
nanomotors
achieve
optimal
self-propulsive
directionality
velocity,
enhancing
cellular
uptake
facilitating
deep
penetration.
Additionally,
by
decomposition
endogenous
within
tumors,
these
continuously
supply
enable
highly
efficient
ROS
production
photocatalysis
TiO2,
leading
intensified
effects
effective
inhibition.
Materials Today Bio,
Journal Year:
2023,
Volume and Issue:
20, P. 100635 - 100635
Published: April 15, 2023
An
imbalance
of
bacteria
in
oral
environment
can
lead
to
a
variety
diseases,
such
as
periodontal
disease,
dental
caries,
and
peri-implant
inflammation.
In
the
long
term,
view
increasing
bacterial
resistance,
finding
suitable
alternatives
traditional
antibacterial
methods
is
an
important
research
today.
With
development
nanotechnology,
agents
based
on
nanomaterials
have
attracted
much
attention
field
due
their
low
cost,
stable
structures,
excellent
properties
broad
spectrum.
Multifunctional
break
through
limitations
single
therapy
functions
remineralization
osteogenesis
basis
antibacterial,
which
has
made
significant
progress
long-term
prevention
treatment
diseases.
this
review,
we
summarized
applications
metal
oxides,
organic
composite
recent
five
years.
These
not
only
inactivate
bacteria,
but
also
achieve
more
efficient
diseases
by
improving
materials
themselves,
enhancing
precision
targeted
delivery
drugs
imparting
richer
functions.
Finally,
future
challenges
untapped
potential
are
elaborated
demonstrate
prospects
field.