Rotator
cuff
tear
(RCT)
is
a
common
musculoskeletal
disease
that
poses
challenges
for
functional
regeneration
of
the
tendon-bone
interface
(TBI).
The
transition
TBI
between
soft
and
hard
tissues
determines
its
structural
physiological
environment
complexity.
Here,
we
present
an
injectable
biopiezoelectric
material
PVA/CNF/BTO@PDA
(Piezoelectric)
hydrogel
based
on
three-dimensional
(3D)
printing
inspired
by
"muscle-electrical
coupling".
This
Piezoelectric
indicated
desirable
piezoelectric
mechanical
properties,
excellent
biodegradability,
biosafety.
In
vitro,
electrical
stimulation
from
Flexcell
Tissue
Train
system
promoted
polarization
macrophages
to
M2
phenotype,
directing
targeted
aggregation
zonal-specific
differentiation
bone
mesenchymal
stem
cells
(BMSCs)
formation.
Also,
optimal
could
alleviate
inflammatory
factor
expression
regulate
osteotendinogenic
BMSCs
under
H2O2/IL-1β
inflammation
environment.
Furthermore,
in
vivo
application
demonstrates
regenerative
potential,
indicating
repair
with
significantly
accelerates
promotes
healing
chronic
RCT
model.
Therefore,
our
findings
propose
new
therapeutic
strategy
enhance
treatment
outcomes
RCT.
Applied Catalysis B Environment and Energy,
Journal Year:
2024,
Volume and Issue:
360, P. 124532 - 124532
Published: Aug. 25, 2024
Covalent
organic
frameworks
(COF)
based
materials
have
exhibited
excellent
gas
and
visible
light
absorption
capability,
yet
are
very
difficult
to
generate
strong
oxidative
species
for
photocatalytic
mineralization
of
volatile
compounds
(VOCs).
Here,
a
facile
in
situ
modulation
protocol
developed
could
enable
the
growth
MOx
(M
=
Ti,
Zn,
W,
Ce)
with
oxygen
vacancy
(Ov)
on
–NH2-functionalized
COF
surfaces
construct
NH2–COF/Ov–MOx
Z–scheme
heterojunctions
stability
efficiency
(98.3
%)
photo-oxidation
formaldehyde,
acetaldehyde,
acetone.
The
–NH2
functionalization
enhanced
VOC
chemisorption
via
H-bond
interaction.
Moreover,
constructed
fast
charge
transfer
channel
(Ov–M–N)
at
interface
not
only
promoted
directional
migration
photo-excited
carrier,
activated
adsorbed
O2
H2O
quickly
•OH,
but
also
effectively
inhibited
injurant
formation
realize
precise
control
conversion
path.
These
findings
offer
new
insights
into
customizing
interfacial
structure
indoor
air
purification.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(26), P. 13636 - 13647
Published: June 17, 2024
For
the
conventional
type-II
heterojunction
photocatalyst,
their
photocatalytic
activity
is
affected
by
limited
separation
efficiency
of
electron-hole
pairs,
exquisitely
designed
photocatalysts
are
highly
prospective
materials
for
inducing
charge
transfer
efficiently.
Typically,
enhancing
pairs
in
has
been
a
formidable
challenge.
Here,
hollow
mesoporous
TiO
Materials,
Journal Year:
2025,
Volume and Issue:
18(6), P. 1343 - 1343
Published: March 18, 2025
The
substantial
release
of
industrial
carbon
dioxide
has
been
identified
as
a
key
factor
in
the
development
various
environmental
issues.
In
addressing
these
concerns,
utilization
photocatalytic
technology
for
reduction
garnered
significant
attention.
disadvantage
CO2
photoreduction
is
problem
product
yield
and
selectivity.
It
known
that
MIL-125(Ti)
with
high
specific
surface
area
(SBET)
possesses
more
active
sites
using
Ti
node.
calcination
reducing
atmosphere
shown
to
introduce
oxygen
vacancies
(OV),
thereby
enhancing
material’s
internal
pores.
This
process
demonstrated
result
increase
SBET
an
enhancement
Ti3+/Ti4+
ratio.
increased
Ti3+
centers
have
found
improve
properties.
results
demonstrate
OV-rich
MIL-125-2H
material
exhibits
high-performance
highly
selective
CO2.
