ACS Nano,
Journal Year:
2022,
Volume and Issue:
16(12), P. 19840 - 19872
Published: Nov. 28, 2022
Bacterial
infections
remain
the
leading
cause
of
death
worldwide
today.
The
emergence
antibiotic
resistance
has
urged
development
alternative
antibacterial
technologies
to
complement
or
replace
traditional
treatments.
In
this
regard,
metal
nanomaterials
have
attracted
great
attention
for
their
controllable
functions
that
are
less
prone
resistance.
This
review
discusses
a
particular
family
stimuli-activable
metal-bearing
(denoted
as
SAMNs)
and
associated
on-demand
strategies.
various
SAMN-enabled
strategies
stem
from
basic
light
magnet
activation,
with
addition
bacterial
microenvironment
responsiveness
and/or
bacteria-targeting
selectivity
therefore
offer
higher
spatiotemporal
controllability.
discussion
focuses
on
nanomaterial
design
principles,
mechanisms,
performance,
well
emerging
applications
desire
selective
activation
(i.e.,
medical
treatments,
surface
anti-biofilm,
water
disinfection,
wearable
materials).
concludes
authors'
perspectives
challenges
future
directions
developing
industrial
translatable
next-generation
European Journal of Pharmaceutical Sciences,
Journal Year:
2024,
Volume and Issue:
193, P. 106688 - 106688
Published: Jan. 1, 2024
The
limitations
of
conventional
cancer
treatment
are
driving
the
emergence
and
development
nanomedicines.
Research
in
liposomal
nanomedicine
for
therapy
is
rapidly
increasing,
opening
up
new
horizons
treatment.
Liposomal
nanomedicine,
which
focuses
on
targeted
drug
delivery
to
improve
therapeutic
effect
while
reducing
damage
normal
tissues
cells,
has
great
potential
field
therapy.
This
review
aims
clarify
advantages
systems
We
describe
recent
understanding
spatiotemporal
fate
liposomes
organism
after
different
routes
administration.
Meanwhile,
various
types
liposome-based
that
exert
their
respective
side
effects
were
discussed.
Moreover,
combination
agents
with
other
therapies
(such
as
photodynamic
photothermal
therapy)
demonstrated
enhanced
tumor-targeting
efficiency
efficacy.
Finally,
opportunities
challenges
faced
by
liposome
nanoformulations
entering
clinical
highlighted.
Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 4, 2024
Abstract
Periodontitis
is
a
chronic
inflammatory
disease
caused
by
the
local
microbiome
and
host
immune
response,
resulting
in
periodontal
structure
damage
even
tooth
loss.
Scaling
root
planning
combined
with
antibiotics
are
conventional
means
of
nonsurgical
treatment
periodontitis,
but
they
insufficient
to
fully
heal
periodontitis
due
intractable
bacterial
attachment
drug
resistance.
Novel
effective
therapeutic
options
clinical
therapy
remain
scarce.
Nanotherapeutics
achieve
stable
cell
targeting,
oral
retention
smart
release
great
flexibility
changing
chemical
composition
or
physical
characteristics
nanoparticles.
Meanwhile,
protectiveness
high
surface
area
volume
ratio
nanoparticles
enable
loading,
ensuring
remarkable
efficacy.
Currently,
combination
advanced
novel
strategies
most
active
research
treatment.
In
this
review,
we
first
introduce
pathogenesis
then
summarize
state-of-the-art
nanotherapeutic
based
on
triple
concerto
antibacterial
activity,
immunomodulation
periodontium
regeneration,
particularly
focusing
mechanism
ingenious
design
nanomedicines.
Finally,
challenges
prospects
nano
for
discussed
from
perspective
current
problems
future
development
trends.
Graphical
Small,
Journal Year:
2024,
Volume and Issue:
20(10)
Published: Jan. 4, 2024
Abstract
Biofilm‐associated
infections
are
one
of
the
most
challenging
healthcare
threats
for
humans,
accounting
80%
bacterial
infections,
leading
to
persistent
and
chronic
infections.
The
conventional
antibiotics
still
face
their
dilemma
poor
therapeutic
effects
due
high
tolerance
resistance
led
by
biofilm
barriers.
Nanotechnology‐based
antimicrobials,
nanoparticles
(NPs),
paid
attention
extensively
considered
as
promising
alternative.
This
review
focuses
on
whole
journey
NPs
against
biofilm‐associated
clarify
it
clearly,
is
divided
into
four
processes
in
sequence
1)
Targeting
biofilms,
2)
Penetrating
barrier,
3)
Attaching
cells,
4)
Translocating
through
cell
envelope.
Through
outlining
compositions
properties
biofilms
bacteria
recent
advances
present
strategies
each
process
comprehensively
discussed
combat
well
combined
these
with
drug
resistance,
aiming
guide
rational
design
facilitate
wide
application
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 14, 2024
Infectious
diseases
caused
by
bacterial,
viral,
and
fungal
pathogens
present
significant
global
health
challenges.
The
rapid
emergence
of
antimicrobial
resistance
exacerbates
this
issue,
leading
to
a
scenario
where
effective
antibiotics
are
increasingly
scarce.
Traditional
antibiotic
development
strategies
proving
inadequate
against
the
swift
evolution
microbial
resistance.
Therefore,
there
is
an
urgent
need
develop
novel
with
mechanisms
distinct
from
those
existing
antibiotics.
Nanozybiotics,
which
nanozyme-based
antimicrobials,
mimic
catalytic
action
lysosomal
enzymes
in
innate
immune
cells
kill
infectious
pathogens.
This
review
reinforces
concept
nanozymes
provides
comprehensive
summary
recent
research
advancements
on
potential
candidates.
Initially,
nanozybiotics
categorized
based
their
activities,
mimicking
either
oxidoreductase-like
or
hydrolase-like
functions,
thereby
highlighting
superior
combating
then
discusses
progress
treating
infections,
confirming
as
translational
nanozybiotic-based
products,
including
hydrogels,
nanorobots,
sprays,
bandages,
masks,
protective
clothing,
also
considered.
Finally,
current
challenges
future
prospects
nanozybiotic-related
products
explored,
emphasizing
design
capabilities
for
applications.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(7), P. 3273 - 3301
Published: Jan. 1, 2024
Oral
diseases
are
prevalent
but
challenging
owing
to
the
highly
movable
and
wet,
microbial
inflammatory
environment.
Polymeric
materials
regarded
as
one
of
most
promising
biomaterials
due
their
good
compatibility,
facile
preparation,
flexible
design
obtain
multifunctionality.
Therefore,
a
variety
strategies
have
been
employed
develop
with
improved
therapeutic
efficacy
by
overcoming
physicobiological
barriers
in
oral
diseases.
In
this
review,
we
summarize
polymeric
for
treatment
First,
present
unique
environment
including
environment,
which
hinders
effective
Second,
series
designing
towards
such
highlighted.
For
example,
multifunctional
armed
wet-adhesive,
antimicrobial,
anti-inflammatory
functions
through
advanced
chemistry
nanotechnology
effectively
treat
These
achieved
wet-adhesive
polymers
modified
hydroxy,
amine,
quinone,
aldehyde
groups
provide
strong
wet-adhesion
hydrogen
covalent
bonding,
electrostatic
hydrophobic
interactions,
developing
antimicrobial
cationic
polymers,
peptides,
antibiotic-conjugated
synthesizing
phenolic
hydroxy
cysteine
that
function
immunomodulators
electron
donors
reactive
oxygen
species
reduce
inflammation.
Third,
various
delivery
systems
enhanced
mucosa
biofilm
penetration
capabilities,
nanoparticles,
hydrogels,
patches,
microneedles,
constructed
antibiotics,
immunomodulators,
antioxidants
achieve
efficacy.
Finally,
insights
into
challenges
future
development
promise
clinical
translation.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Biofilm-induced
chronic
bacterial
infections
represent
a
significant
challenge
in
modern
medicine
due
to
their
resistance
conventional
antibiotic
treatments.
Although
photodynamic
therapy
(PDT)
has
emerged
as
promising
antibiotic-free
antibacterial
strategy,
the
hypoxic
condition
within
biofilms
and
lack
of
an
effective
local
drug
delivery
system
have
limited
clinical
effectiveness
photosensitizer
(PS)
agents.
Herein,
we
propose
type
charge
regulation-enhanced
I
PS-loaded
hydrogel
dressing
for
treating
biofilm
infection.
The
regulation
enables
multiple
alkylation
Nile
blue
(EB
series)
exhibit
substantially
improved
absorbance
(∼2-fold),
alkaline
tolerance,
superoxide
anion
yield
(2.2-4.2-fold)
compared
representative
PS,
sulfur-substituted
blue.
Specifically,
enhanced
electronic
push-pull
capabilities
promote
more
efficient
electron
recycling
process,
significantly
boosting
efficiency
PDT.
superior
PDT
effect
uptake
via
render
EB
series
pronounced
inhibition
under
red
light
or
sunlight
irradiation.
Moreover,
hydrogel,
constructed
from
oxidized
dextran
quaternized
chitosan,
facilitates
localization
sustained
retention
PSs,
accelerating
healing
biofilm-infected
wounds.
This
PS-based
could
provide
user-friendly
wound
treatment
prevention
infections.
Research,
Journal Year:
2020,
Volume and Issue:
2020
Published: Jan. 1, 2020
The
formation
of
bacterial
biofilms
closely
associates
with
infectious
diseases.
Until
now,
precise
diagnosis
and
effective
treatment
biofilm
infections
are
still
in
great
need.
Herein,
a
novel
multifunctional
theranostic
nanoplatform
based
on
MnO2
nanosheets
(MnO2
NSs)
has
been
designed
to
achieve
pH-responsive
dual-mode
imaging
hypoxia-relief-enhanced
antimicrobial
photodynamic
therapy
(aPDT)
infections.
In
this
study,
NSs
were
modified
bovine
serum
albumin
(BSA)
polyethylene
glycol
(PEG)
then
loaded
chlorin
e6
(Ce6)
as
photosensitizer
form
MnO2-BSA/PEG-Ce6
(MBP-Ce6
NSs).
After
being
delivered
into
the
biofilm-infected
tissues,
MBP-Ce6
could
be
decomposed
acidic
microenvironment
release
Ce6
Mn2+,
which
subsequently
activate
both
fluorescence
(FL)
magnetic
resonance
(MR)
signals
for
FL/MR
Meanwhile,
catalyze
decomposing
H2O2
tissues
O2
relieve
hypoxic
condition
biofilm,
significantly
enhances
efficacy
aPDT.
An
vitro
study
showed
that
reduce
number
methicillin-resistant
Staphylococcus
aureus
(MRSA)
after
635
nm
laser
irradiation.
Guided
by
imaging,
MRSA
mice
can
efficiently
treated
NSs-based
Overall,
not
only
possess
microenvironment-responsive
ability
but
also
have
enhanced
aPDT
relieving
hypoxia
habitat
provides
promising
Abstract
Bacterial
biofilm
related
infections
are
ever
growing
issues
for
global
medical
community.
Traditional
antibiotic
therapy
is
usually
ineffective
treating
them
because
the
bacteria
inside
biofilms
have
evolved
with
multiple
mechanisms
to
evade
challenge.
Hence,
effective
therapeutic
strategy
novel
antibiofilm
mode
of
action
highly
desired.
In
this
context,
nanomedicine
has
drawn
great
attentions
and
been
proven
promising
prevent
eliminate
bacterial
biofilms.
review,
we
focus
on
recent
advance
nanotechnology‐based
strategies
nanoagents
combating
infections.
First,
typical
nanotechnologies
utilized
different
chemical,
physical,
biological
properties
nanomaterials
discussed.
Second,
smart
that
can
responsive
microenvironment,
including
pH,
H
2
O
,
enzymes,
shown.
Third,
some
approaches,
such
as
theranostics,
structure
destruction,
quorum
sensing
inhibition,
also
demonstrated.
Finally,
conclude
current
discuss
challenges
future
directions
in
field.