Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 21, 2024
Abstract
Antibacterial
therapy
targeting
the
regulation
of
macrophage
polarization
may
be
a
useful
approach
for
normalizing
immune
environment
and
accelerating
wound
healing.
Inspired
by
black
phosphorus‐based
nanoplatforms,
more
stable
yet
less‐explored
violet
phosphorus
nanosheets
(VPNSs)
are
expected
to
provide
superior
solution
effectively
combating
bacterial
infections.
In
this
study,
an
average
thickness
5–7
nm
VPNSs
fabricated
through
liquid‐phase
exfoliation
method
serve
as
immunoregulatory
dressing
treatment
infected
wounds.
attenuated
excessive
reactive
oxygen
species
(ROS)
reduced
accumulation
proinflammatory
M1
macrophages,
showing
notable
antioxidant
anti‐inflammatory
properties.
Comprehensive
RNA
sequencing
further
elucidated
potential
mechanisms
VPNSs,
including
modulation
inflammatory
response
enzyme
regulator
activity.
Additionally,
inherent
photothermal
properties
contributed
significantly
their
antibacterial
efficacy.
When
combined
with
near‐infrared
laser
irradiation,
showed
remarkable
effectiveness
in
reducing
infection‐related
complications
expediting
healing
skin
models.
The
rapid
promotion
ROS
clearance,
polarization,
hyperthermia
generation
underscores
violet‐phosphorus‐based
nanoplatforms
clinically
viable
agents
treating
This
study
suggests
that
promising
candidates
clinical
anti‐infective
applications.
Progress in Materials Science,
Journal Year:
2024,
Volume and Issue:
144, P. 101292 - 101292
Published: April 6, 2024
The
prevalence
of
multidrug-resistant
(MDR)
bacterial
infections
has
emerged
as
a
serious
threat
to
clinical
treatment
and
global
human
health,
become
one
the
most
important
challenges
in
therapy.
Hence,
there
is
an
urgent
need
develop
safe,
effective,
new
antibacterial
strategies
based
on
multifunctional
nanomaterials
for
accurate
detection
MDR
infections.
Chemodynamic
therapy
(CDT)
emerging
therapeutic
strategy
that
uses
Fenton/Fenton-like
metal-based
nanocatalysts
convert
hydrogen
peroxide
(H2O2)
into
hydroxyl
radicals
(OH)
destroy
Despite
enormous
potential
CDT,
single
CDT
limitations
such
low
catalytic
efficacy
insufficient
production
H2O2.
In
this
regard,
can
be
combined
with
other
strategies,
photothermal
(PTT),
which
effectively
enhanced
by
PTT
heating
effect.
Thus,
rational
combination
nanoplatform
been
demonstrated
highly
efficient
achieving
better
This
review
summarizes
discusses
latest
advances
photothermal-enhanced
(PT/CDT)
infection
theranostics
well
advantages,
challenges,
future
research
directions
applications,
will
inspire
development
PT/CDT
Exploration,
Journal Year:
2024,
Volume and Issue:
4(6)
Published: April 19, 2024
Abstract
Infected
burn
wounds
are
characterized
by
persistent
drug‐resistant
bacterial
infection
coupled
with
an
inflammatory
response,
impeding
the
wound‐healing
process.
In
this
study,
intelligent
nanoparticle
system
(CCM+TTD@ZIF‐8
NPs)
was
prepared
using
curcumin
(CCM),
aggregation‐induced
emission
luminogens
(TTD),
and
ZIF‐8
for
infection‐induced
wound
healing.
The
CCM+TTD@ZIF‐8
NPs
showed
multiple
functions,
including
bacteria
targeting,
fluorescence
imaging
pH
response‐guided
photodynamic
therapy
(PDT),
anti‐inflammatory.
positive
charges
of
allowed
targeting
in
infected
wounds,
thereby
realizing
emitting
red
at
site
upon
blue
light
irradiation.
pH‐responsive
characteristics
also
enabled
controllable
CCM
release
onto
site,
promoting
specific
accumulation
ROS
outstanding
bactericidal
efficacy
against
Staphylococcus
aureus
(S.
aureus)
Pseudomonas
aeruginosa
(P.
aeruginosa)
strains
vitro/in
vivo.
Additionally,
due
to
excellent
effect
anti‐inflammatory
properties
combined
irradiation,
regeneration
epidermal
tissue,
angiogenesis,
collagen
deposition
achieved,
accelerating
healing
process
wounds.
Therefore,
multifunctional
provides
great
potential
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 25, 2024
The
compact
three-dimensional
(3D)
structure
of
extracellular
polymeric
substances
(EPS)
within
biofilms
significantly
hinders
the
penetration
antimicrobial
agents,
making
biofilm
eradication
challenging
and
resulting
in
persistent
biofilm-associated
infections.
To
address
this
challenge,
a
solution
is
proposed:
probiotic
bio-heterojunction
(P-bioHJ)
combining
Lactobacillus
rhamnosus
with
MXene
(Ti
Wiley Interdisciplinary Reviews Nanomedicine and Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
16(3)
Published: May 1, 2024
Abstract
The
misuse
of
antibiotics
has
led
to
increased
bacterial
resistance,
posing
a
global
public
health
crisis
and
seriously
endangering
lives.
Currently,
antibiotic
therapy
remains
the
most
common
approach
for
treating
infections,
but
its
effectiveness
against
multidrug‐resistant
bacteria
is
diminishing
due
slow
development
new
increase
drug
resistance.
Consequently,
developing
a\ntimicrobial
strategies
improving
efficacy
combat
infection
become
an
urgent
priority.
emergence
nanotechnology
revolutionized
traditional
treatment,
presenting
opportunities
refractory
infection.
Here
we
comprehensively
review
research
progress
in
nanotechnology‐based
antimicrobial
delivery
highlight
diverse
platforms
designed
target
different
resistance
mechanisms.
We
also
outline
use
combining
with
other
therapeutic
modalities
enhance
drug‐resistant
infections.
These
innovative
have
potential
susceptibility
overcome
Finally,
challenges
prospects
application
nanomaterial‐based
combating
are
discussed.
This
article
categorized
under:
Biology‐Inspired
Nanomaterials
>
Nucleic
Acid‐Based
Structures
Therapeutic
Approaches
Drug
Discovery
Nanomedicine
Infectious
Disease
Acta Biomaterialia,
Journal Year:
2024,
Volume and Issue:
184, P. 313 - 322
Published: June 17, 2024
Antimicrobial
phototherapy
has
gained
recognition
as
a
promising
approach
for
addressing
bacterial
biofilms,
however,
its
effectiveness
is
often
impeded
by
the
robust
physical
and
chemical
defenses
of
biofilms.
Traditional
antibacterial
nanoplatforms
face
challenges
in
breaching
extracellular
polymeric
substances
barrier
to
efficiently
deliver
photosensitizers
deep
into
Moreover,
prevalent
hypoxia
within
biofilms
restricts
success
oxygen-reliant
phototherapy.
In
this
study,
we
engineered
soft
mesoporous
organosilica
nanoplatform
(SMONs)
incorporating
polyethylene
glycol
(PEG),
catalase
(CAT),
indocyanine
green
(ICG),
forming
SMONs-PEG-CAT-ICG
(SPCI).
We
compared
antimicrobial
efficacy
SPCI
with
more
rigid
nanoplatforms.
Our
results
demonstrated
that
unique
flexible
mechanical
properties
enable
it
navigate
through
biofilm
barriers,
markedly
enhancing
ICG
penetration
methicillin-resistant
Staphylococcus
aureus
(MRSA)
Notably,
murine
subcutaneous
MRSA
infection
model,
showed
superior
pharmacokinetic
benefits
over
counterparts.
The
embedded
effectively
converts
excess
H
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(31)
Published: Aug. 22, 2024
The
prevalence
of
drug-resistant
bacterial
infections
has
emerged
as
a
grave
threat
to
clinical
treatment
and
global
human
health,
presenting
one
the
foremost
challenges
in
medical
care.
Thus,
there
is
an
urgent
imperative
develop
safe
efficacious
novel
antimicrobial
strategies.
Nitric
oxide
(NO)
recognized
endogenous
signaling
molecule,
which
plays
pivotal
role
numerous
pathological
processes.
Currently,
NO
garnered
significant
interest
antibacterial
agent
due
its
capability
eradicate
bacteria,
disrupt
biofilms,
facilitate
wound
healing,
all
while
circumventing
emergence
drug
resistance.
However,
inherently
unstable
characteristic
therapeutic
gas
renders
controlled
administration
gases
exceedingly
challenging.
Hence,
this
review,
current
challenge
infection
discussed;
then
it
briefly
elucidated
mechanism
comprehensively
delineate
recent
advancements
stimulus-responsive
delivery
platforms,
along
with
their
merits,
obstacles,
prospective
avenues
for
application.
This
review
offers
guidance
future
NO-medicated
anti-infection
therapy
hoped.