Immunotherapy
involving
PDL1
degradation
holds
great
potential
in
anti-tumor
treatment.
Optimal
design
of
degraders
and
subsequent
efficient
delivery
into
tumors
are
essential
for
expected
efficacy,
especially
when
abnormal
tumor
vasculature
is
considered.
Herein,
a
nanodroplet-based
novel
drug
platform
termed
as
NDs
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
The
specific
fluorescent
detection
of
α-methyltryptamine
(AMT)
presents
a
great
challenge
because
similar
amine
groups
and
benzene
rings
exist
in
variety
amines.
Here,
we
show
the
precise
modulation
electron-withdrawing
strength
π-conjugate
bridge
aldehyde-containing
Schiff
base-based
probes
for
ultratrace
AMT
discrimination.
It
is
found
that
different
−C6H4,
−C6H2N2,
−C6H2Br2
as
2-dicyanomethylidene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran
(TCF)-based
can
classify
identify
organic
amines
with
nucleophilicities.
Notably,
probe
bridge,
denoted
BrFS–TCF,
which
has
highest
electrophilicity
recognition
site,
shows
superior
nM-level
limit
(LOD)
an
instant
response
time
(<0.1
s)
toward
AMT.
Especially,
it
excellent
selectivity
facing
secondary
amines,
tertiary
aromatic
even
primary
present
strategy
would
provide
new
pathway
chemical
substances
structures
properties
especially
fighting
against
illegal
drugs.
Journal of Materials Chemistry B,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Bone
defects
resulting
from
trauma,
tumors,
or
other
injuries
significantly
impact
human
health
and
quality
of
life.
However,
current
treatments
for
bone
are
constrained
by
donor
shortages
immune
rejection.
tissue
engineering
has
partially
alleviated
the
limitations
traditional
repair
methods.
The
development
smart
biomaterials
that
can
respond
to
external
stimuli
modulate
biofunctions
become
a
prominent
area
research.
Ultrasound
technology
is
regarded
as
an
optimal
"remote
controller"
"trigger"
biomaterials.
This
review
reports
comprehensive
systematic
overview
ultrasound-responsive
It
presents
fundamental
theories
repair,
definition
ultrasound,
its
applications.
Furthermore,
summarizes
ultrasound
effect
mechanisms
their
roles
in
including
detailed
studies
on
anti-inflammation,
immunomodulation,
cell
therapy.
Finally,
advantages
future
prospects
this
field
discussed.
For
highly
efficient
and
precise
drug
release,
transdermal
delivery
systems
(TDDS)
have
recently
evolved
through
the
combination
of
intelligent
material-based
structures
with
various
active
components.
These
strategies
are
an
effort
to
overcome
significant
difficulties
in
delivering
large
molecule
drugs
nanomaterials
due
physical
barrier
skin,
especially
stratum
corneum,
traditional
TDDS.
Interestingly,
multiscale
suction-driven
architectures
(SDAs)
inspired
by
bioinspired
suction
adhesion
mechanisms
provided
innovative
solutions
these
challenges.
employ
negative
pressure
enhance
nanoscale
skin-controllable
skin
adhesion,
temporarily
bypass
barrier,
facilitate
deep
penetration
therapeutic
agents,
thereby,
achieving
goals
increasing
efficiency
maximizing
user
convenience
as
a
minimal
invasive,
needle-free
platform.
This
review
provides
comprehensive
overview
patches
emphasizes
their
integration
multifunctional
materials
achieve
stable
controlled
release.
Next,
we
present
cost-effective
user-friendly
patch
devices
optimization
cupping
without
incorporation
additional
devices.
Furthermore,
that
optimize
need
for
Potential
SDAs
localized
systemic
challenging
complex
well
future
perspectives,
discussed,
along
directions
more
patient-centric
solutions.
Analytical Chemistry,
Год журнала:
2024,
Номер
96(23), С. 9544 - 9550
Опубликована: Май 29, 2024
Nanobubbles
play
an
important
role
in
diverse
fields,
including
engineering,
medicine,
and
agriculture.
Understanding
the
characteristics
of
individual
nanobubbles
is
essential
for
comprehending
fluid
dynamics
behaviors
advancing
nanoscale
science
across
various
fields.
Here,
we
report
a
strategy
based
on
nanopore
sensors
characterizing
single-digit
nanobubbles.
We
investigated
sizes
diffusion
coefficients
at
different
voltages.
Additionally,
finite
element
simulation
molecular
were
introduced
to
account
counterion
concentration
variation
around
nanopore.
In
particular,
differences
stability
surface
charge
density
under
solution
environments
have
been
studied
by
ion-stabilized
model
DLVO
theory.
straightforward
method
mitigate
nanobubble
generation
bulk
reducing
current
noise
sensing
was
suggested.
The
results
hold
significant
implications
enhancing
understanding
characterizations,
especially
nanofluid
field.
Journal of Materials Chemistry B,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
convergence
of
nanotechnology
and
cancer
therapeutics
has
opened
new
frontiers
in
the
development
advanced
drug
delivery
systems.
Among
various
nanocarriers,
nanobubbles
offer
significant
potential
due
to
their
unique
properties,
such
as
high
payload
capacity,
responsiveness
external
stimuli
like
ultrasound,
enhanced
permeability
retention
(EPR)
effects.
Functionalizing
these
with
chitosan,
a
naturally
derived
biopolymer
known
for
its
biocompatibility,
biodegradability,
ability
enhance
cellular
uptake,
further
improves
therapeutic
efficacy.
This
review
provides
comprehensive
analysis
synthesis,
functionalization,
application
chitosan-functionalized
therapy.
We
discuss
mechanism
action,
including
targeted
delivery,
ultrasound-mediated
release,
immune
modulation,
alongside
recent
advancements
challenges
clinical
translation.
also
explores
future
directions
this
rapidly
evolving
field,
aiming
insights
into
next-generation
therapeutics.
Human
parathyroid
hormone
(1-34)
(PTH)
exhibits
osteoanabolic
and
osteocatabolic
effects,
with
shorter
plasma
exposure
times
favoring
bone
formation.
Subcutaneous
injection
(SCI)
is
the
conventional
delivery
route
for
PTH
but
faces
low
efficiency
due
to
limited
passive
diffusion
obstruction
of
vascular
endothelial
barrier,
leading
prolonged
drug
reduced
effects.
In
this
work,
a
microcurrent
system
(MDS)
based
on
multimicrochannel
microneedle
arrays
(MMAs)
proposed,
achieving
high
safety
transdermal
delivery.
The
internal
microchannels
MMAs
are
fabricated
using
high-precision
3D
printing
technology,
providing
concentrated
safe
electric
field
that
not
only
accelerates
movement
also
reversibly
increases
permeability
by
regulating
actin
cytoskeleton
interendothelial
junctions
through
Ca