Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 27, 2024
A
covalent
organic
framework-based
multifunctional
nanomedicine,
CuO2@COF-SNO,
which
can
produce
reactive
oxygen
and
nitrogen
species
(ROS/RNS)
to
enhance
chemodynamic
therapy
of
tumors.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 30, 2024
Photothermal
therapy
(PTT)
is
a
promising
approach
for
treating
tumors
that
offers
multiple
advantages.
Nevertheless,
its
practical
use
in
clinical
settings
faces
several
limitations,
such
as
suboptimal
delivery
efficiency,
uneven
heat
distribution,
and
challenges
predicting
optimal
treatment
duration.
In
addition,
the
localized
hyperthermia
generated
by
PTT
method
to
induce
cell
apoptosis
can
result
production
of
excessive
reactive
oxygen
species
(ROS)
release
inflammatory
cytokines,
which
pose
threat
healthy
tissues
surrounding
tumor.
To
address
above
challenges,
this
work
designs
an
integrated
H
Abstract
The
methodology
of
nanoarchitectonics
is
to
construct
functional
materials
using
nanounits
such
as
atoms,
molecules,
and
nanoobjects,
just
like
architecting
buildings.
Nanoarchitectonics
pursues
the
ultimate
concept
science
through
integration
related
fields.
In
this
review
paper,
under
title
interface‐interactive
nanoarchitectonics,
several
examples
structure
fabrication
function
development
at
interfaces
will
be
discussed,
highlighting
importance
with
nanoscale
considerations.
Two
sections
provide
some
solid
liquid
surfaces.
interfacial
environments,
molecular
structures
can
precisely
observed
analyzed
theoretical
calculations.
Solid
surfaces
are
a
prime
site
for
level.
has
potential
pave
way
cutting‐edge
functionality
based
on
advanced
observation
analysis.
Liquid
more
kinetic
dynamic
than
interfaces,
their
high
fluidity
offers
many
possibilities
fabrications
by
nanoarchitectonics.
latter
feature
advantages
in
terms
freedom
interaction
diversity
components,
therefore,
may
suitable
environments
functionalities.
final
section
then
discusses
what
needed
future
material
creation
Nanomaterials,
Год журнала:
2024,
Номер
14(5), С. 452 - 452
Опубликована: Фев. 29, 2024
Cuprous
oxide
(Cu2O)
has
great
potential
in
photodynamic
therapy
for
implant-associated
infections
due
to
its
good
biocompatibility
and
photoelectric
properties.
Nevertheless,
the
rapid
recombination
of
electrons
holes
weakens
antibacterial
effect.
In
this
work,
a
new
nanosystem
(Cu2O@rGO)
with
excellent
performance
was
designed
via
situ
growth
Cu2O
on
reduced
graphene
(rGO).
Specifically,
rGO
lower
Fermi
levels
served
as
an
electron
trap
capture
photoexcited
from
Cu2O,
thereby
promoting
electron-hole
separation.
More
importantly,
surface
could
quickly
transfer
owing
conductivity,
thus
efficiently
suppressing
pairs.
Subsequently,
Cu2O@rGO
nanoparticle
introduced
into
poly-L-lactic
acid
(PLLA)
powder
prepare
PLLA/Cu2O@rGO
porous
scaffolds
through
selective
laser
sintering.
Photochemical
analysis
showed
that
photocurrent
increased
by
about
two
times
after
incorporation
GO
nanosheets,
enhancing
efficiency
photogenerated
charge
carriers
Moreover,
ROS
production
scaffold
significantly
compared
PLLA/Cu2O
scaffold.
The
results
possessed
rates
83.7%
81.3%
against
Escherichia
coli
Staphylococcus
aureus,
respectively.
summary,
work
provides
effective
strategy
combating
implant-related
infections.
International Journal of Nanomedicine,
Год журнала:
2024,
Номер
Volume 19, С. 6145 - 6160
Опубликована: Июнь 1, 2024
Background:
Combination
therapy
offers
superior
therapeutic
results
compared
to
monotherapy.
However,
the
outcomes
of
combination
often
fall
short
expectations,
mainly
because
increased
toxicity
from
drug
interactions
and
challenges
in
achieving
desired
spatial
temporal
distribution
delivery.
Optimizing
synergistic
ratios
ensure
uniform
targeting
across
space
time,
particularly
vivo,
is
a
significant
challenge.
In
this
study,
cRGD-coated
liposomes
encapsulating
optimized
cepharanthine
(CEP;
chemotherapy
drug)
IR783
(a
phototherapy
agent)
were
developed
for
combined
photothermal
vitro
vivo.
Methods:
An
MTT
assay
was
used
evaluate
index
CEP
five
cell
lines.
The
cRGD-encapsulated
prepared
via
thin-film
hydration,
unencapsulated
served
as
controls
loading
IR783.
Fluorescence
imaging
assess
efficacy
encapsulated
at
an
optimal
ratio,
both
Results:
indices
determined
As
proof-of-concept,
ratio
(1:2)
4T1
cells
evaluated
average
diameter
approximately
100
nm.
effectively
retained
molar
over
7
d.
vivo
fluorescence
revealed
that
signal
cRGD-CEP-IR783-Lip
detectable
tumor
site
4
h
post-injection
peaked
8
h.
tumor-bearing
mice
indicated
increase
temperature
by
32°C
within
200
s.
Concurrently,
demonstrated
effect
robust
biosafety
antitumor
experiments.
Conclusion:
successfully
exhibiting
enhanced
effects
upon
application
This
study
presents
novel
concept
establishes
research
framework
treatment.
Keywords:
delivery,
liposomes,
effects,
Advanced NanoBiomed Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 1, 2024
Nanoarchitectonics,
as
a
post‐nanotechnology
concept,
represents
methodology
for
the
construction
of
functional
materials
employing
atoms,
molecules,
and
nanomaterials
essential
components.
The
overarching
objective
nanoarchitectonics
is
to
develop
systems
comprising
multiple
units
assembled
in
hierarchical
manner,
observed
biological
systems.
Nevertheless,
such
challenging
endeavor.
It
would
be
prudent,
therefore,
initially
focus
on
development
that
interact
with
complex
structures
living
organisms.
Accordingly,
this
review
article
addresses
topic
nanoarchitecture
it
pertains
biomedical
applications.
This
examines
current
trends
research
presents
examples
studies
support
concept
its
applications
fields.
presented
are
follows:
i)
molecular
developments,
which
mainly
based
design
assembly;
ii)
material
examples,
using
components;
iii)
porous
materials,
will
summarized
under
heading
pore‐engineered
due
their
special
structure.
Finally,
provides
an
overview
these
discusses
future
prospects.
Theranostics,
Год журнала:
2024,
Номер
14(10), С. 3997 - 4013
Опубликована: Янв. 1, 2024
Background:
Innovative
treatment
strategies
for
early-stage
breast
cancer
(BC)
are
urgently
needed.Tumors
originating
from
mammary
ductal
cells
present
an
opportunity
targeted
intervention.Methods:
We
explored
intraductal
therapy
via
natural
nipple
openings
as
a
promising
non-invasive
approach
early
BC.Using
functional
Near-infrared
II
(NIR-II)
nanomaterials,
specifically
NIR-IIb
quantum
dots
conjugated
with
Epep
polypeptide
cell
targeting,
we
conducted
in
situ
imaging
and
photothermal
ablation
of
ducts.Intraductal
administration
was
followed
by
stimulation
808
nm
laser.Results:
This
method
achieved
precise
destruction
heightened
immunological
responses
the
microenvironment.The
technique
validated
mouse
models
triple-negative
BC
rat
model
carcinoma
situ,
demonstrating
therapeutic
potential
localized
prevention.Conclusion:
Our
study
demonstrated
effectiveness
NIR-II
nanoprobes
guiding
ducts,
offering
compelling
avenue
therapy.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Авг. 7, 2024
On
a
global
note,
oral
health
plays
critical
role
in
improving
the
overall
human
health.
In
this
vein,
dental-related
issues
with
dentin
exposure
often
facilitate
risk
of
developing
various
oral-related
diseases
gums
and
teeth.
Several
oral-based
ailments
include
gums-associated
(gingivitis
or
periodontitis),
tooth-based
(dental
caries,
root
infection,
enamel
erosion,
edentulous
total
tooth
loss),
as
well
miscellaneous
buccal
cavity
(bad
breath,
mouth
sores,
cancer).
Although
established
conventional
treatment
modalities
have
been
available
to
improve
health,
these
therapeutic
options
suffer
from
several
limitations,
such
fail
eradicate
bacterial
biofilms,
deprived
regeneration
dental
pulp
cells,
poor
remineralization
teeth,
resulting
emergencies.
To
end,
advent
nanotechnology
has
resulted
development
innovative
nanoarchitectured
composites
diverse
sources.
This
review
presents
comprehensive
overview
different
for
Initially,
we
emphasize
diseases,
providing
detailed
pathological
circumstances
their
effects
on
along
deficiencies
modalities.
Further,
importance
nanostructured
components
is
emphasized,
highlighting
predominant
actions
solving
crucial
issues,
anti-bacterial,
remineralization,
tissue
abilities.
addition
an
emphasis
synthesis
nanostructures,
nano-therapeutic
solutions
sources
are
discussed,
including
natural
(plant,
animal,
marine)-based
other
synthetic
(organic-
inorganic-)
architectures,
Finally,
summarize
article
interesting
outlook
overcoming
challenges
translating
platforms
clinics.
Regenerative Biomaterials,
Год журнала:
2024,
Номер
11
Опубликована: Янв. 1, 2024
Abstract
Triple-negative
breast
cancer
(TNBC)
has
emerged
as
one
of
the
dreadful
metastatic
tumors
in
women
due
to
complexity,
specificity
and
high
recurrence,
resulting
poor
therapeutic
outcomes
requiring
real-time
monitoring
for
improved
theranostics.
Despite
success
efficient
radiosensitizers
computed
tomography
(CT)-based
contrast
agents,
bismuth
(Bi)-based
composites
suffer
from
colloidal
stability,
dose-dependent
toxicity
pharmacokinetic
shortcomings,
leading
monitoring.
In
addition,
several
small
molecule-based
therapeutics,
including
nanoparticle-based
delivery
systems,
limitations
acquired
multidrug
resistance
by
cells,
depriving
needs.
To
overcome
this
aspect,
study
demonstrates
fabrication
drug-like/drugless
nanoarchitectures
based
on
copper
sulfide-nanoplated
oxide
(Bi2O3@CuS,
shortly
BC)
theranostic
efficacy
against
TNBC.
These
systematically
characterized
BC
nanocomposites
exhibited
pH-/near-infrared
(NIR,
808
nm)
light-responsive
degradability
toward
dual
modal
therapies.
Due
band
transition
Cu
species,
designed
displayed
exceptional
photothermal
(PTT)
conversion
efficiency
localized
PTT
effects.
addition
pH-/NIR-responsiveness,
internally
overexpressed
glutathione
(GSH)-responsiveness
facilitated
release
Cu2+
species
chemodynamic
therapy
(CDT)-based
end,
Bi3+
core
could
be
fully
hydrated
acidic
tumor
microenvironment,
GSH
depletion
reducing
CDT-induced
reactive
oxygen
clearance,
thereby
ablating
tumors.
The
acid-responsive
CuS
resulted
intratumoral
enrichment
BC,
demonstrating
remarkable
CT
imaging
vivo.
Together,
these
pH-/NIR-/GSH-responsive
biodegradable
realize
integrated
PTT/CDT/CT
theranostics
carcinoma.