Materials,
Год журнала:
2024,
Номер
17(16), С. 4166 - 4166
Опубликована: Авг. 22, 2024
The
corrosion
protection
of
tool
steel
surfaces
is
significant
importance
for
ensuring
cutting
precision
and
cost
savings.
However,
conventional
surface
measures
usually
rely
on
toxic
organic
solvents,
posing
threats
to
the
environment
human
health.
In
this
regard,
an
integrated
process
laser
texturing
electrostatic
flocking
introduced
as
a
green
anti-corrosion
method
high-speed
(HSS)
surface.
Drawing
from
principles
textured
energy
barrier
reduction
fiber
array
capillary
water
evaporation
enhancement,
with
synergistic
optimization
wettability
performance
was
achieved.
Then,
contact
tests
using
0.1
mol/L
NaCl
droplets
were
performed.
Contact
angles
representing
change
in
droplet
mass
properties
collected.
elements
chemical
bonds
presented
corroded
characterized
by
X-ray
photoelectron
spectroscopy
(XPS).
results
revealed
that
exhibited
lowest
degree
when
compared
smooth
surfaces.
Corrosion
resistance
achieved
through
rapid
spread
droplets,
which
reduced
reaction
time
mitigated
electrochemical
corrosion.
This
innovative
holds
promise
effective
treatment
strategies
tools.
Polymers,
Год журнала:
2023,
Номер
15(11), С. 2418 - 2418
Опубликована: Май 23, 2023
Tissue
engineering
(TE)
is
an
emerging
field
of
study
that
incorporates
the
principles
biology,
medicine,
and
for
designing
biological
substitutes
to
maintain,
restore,
or
improve
tissue
functions
with
goal
avoiding
organ
transplantation.
Amongst
various
scaffolding
techniques,
electrospinning
one
most
widely
used
techniques
synthesise
a
nanofibrous
scaffold.
Electrospinning
as
potential
technique
has
attracted
great
deal
interest
been
discussed
in
many
studies.
The
high
surface-to-volume
ratio
nanofibres,
coupled
their
ability
fabricate
scaffolds
may
mimic
extracellular
matrices,
facilitates
cell
migration,
proliferation,
adhesion,
differentiation.
These
are
all
very
desirable
properties
TE
applications.
However,
despite
its
widespread
use
distinct
advantages,
electrospun
suffer
from
two
major
practical
limitations:
poor
penetration
load-bearing
Furthermore,
have
low
mechanical
strength.
Several
solutions
offered
by
research
groups
overcome
these
limitations.
This
review
provides
overview
nanofibres
In
addition,
we
describe
current
on
nanofibre
fabrication
characterisation,
including
main
limitations
some
possible
ACS Nano,
Год журнала:
2024,
Номер
18(41), С. 28335 - 28348
Опубликована: Окт. 2, 2024
Diabetic
foot
ulcers
(DFUs)
are
a
significant
challenge
in
the
clinical
care
of
diabetic
patients,
often
necessitating
limb
amputation
and
compromising
quality
life
expectancy
this
cohort.
Minimally
invasive
therapies,
such
as
modular
scaffolds,
at
forefront
current
DFU
treatment,
offering
an
efficient
approach
for
administering
therapeutics
that
accelerate
tissue
repair
regeneration.
In
study,
we
report
facile
method
fabricating
granular
nanofibrous
microspheres
(NMs)
with
predesigned
structures
porosities.
The
proposed
technology
combines
electrospinning
electrospraying
to
develop
therapeutic
option
DFUs.
Specifically,
porous
NMs
were
constructed
using
electrospun
poly(lactic-
Bi2
O3
/rare
earth
oxide
biphasic
absorbers
are
attractive
for
high-efficiency
X-ray
shielding
due
to
the
complementary
absorption
effects.
However,
its
application
is
severely
hindered
by
poor
interphasic
contact.
Here,
a
new
Janus
interface
engineering
strategy
reported
construction
of
continuous
and
flexible
/Gd2
crystal
nanofibrous
membranes
(FJNMs)
with
micro/nano
dual
self-strengthening
adhesion.
This
facilitates
online
micro-interlocking
between
nanofibers
in
situ
nano-grain
fusion
crystals,
significantly
enhancing
adhesive
strength
at
interface.
Additionally,
synergistic
effect
from
multiple
reflections
Gd2
lattices
make
superior
radiation
barrier.
The
FJNMs
demonstrate
integrated
features
exceptional
efficiency
(91%-100%),
robust
interfacial
adhesion
(lap-shear
>3.8
MPa),
prominent
flexibility,
lightweight,
outstanding
breathability.
design
concepts
fibrosing
absorber
assemblies
pave
way
asymmetrically
assembling
materials,
setting
stage
fundamental
shift
next-generation
materials.
As
plastic
waste
pollution
continues
to
pose
significant
challenges
our
environment,
it
is
crucial
develop
eco-friendly
processes
that
can
transform
into
valuable
chemical
products
in
line
with
the
principles
of
green
chemistry.
One
major
challenge
breaking
down
economically
carbon
resources.
This
however
presents
an
opportunity
for
sustainable
circular
economies.
In
this
regard,
a
flexible
approach
presented
involves
use
supported-metal
catalysts
selectively
degrade
polylactide
using
molecular
oxygen.
protocol
has
several
advantages,
including
its
operation
under
organic
solvent-free
and
mild
conditions,
simplicity
implementation,
high
atom
efficiency,
resulting
minimal
waste.
enables
upcycling
chemicals
such
as
pyruvic
acid,
acetic
or
mixture
containing
equimolar
amounts
acid
formaldehyde,
providing
viable
alternative
accessing
key
value-added
feedstocks
from
spent
plastics.
Journal of Cosmetic Dermatology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
ABSTRACT
Background
Microfocused
ultrasound
with
visualization
(MFU‐V)
is
widely
used
in
aesthetic
medicine
for
skin
tightening
and
rejuvenation.
However,
its
role
regenerative
aesthetics
precise
mechanism
of
action
are
not
fully
understood.
Objective
This
narrative
review
aims
to
contextualize
articulate
the
MFU‐V,
evaluate
aesthetics,
assess
effectiveness
based
on
existing
clinical,
histological,
skin‐mechanical
studies.
Methods
A
comprehensive
literature
search
was
performed
collect
analyze
studies
MFU's
biological
mechanisms,
clinical
outcomes,
impact
extracellular
matrix
(ECM)
regeneration.
The
integrates
findings
from
trials,
histological
analyses,
biomechanical
assessments
provide
a
cohesive
understanding
MFU‐V's
medicine.
Results
MFU‐V
emits
focused
energy
that
penetrates
multiple
layers
superficial
musculoaponeurotic
system,
creating
localized
thermal
coagulation
points.
These
points
initiate
responses
recruit
fibroblasts
stimulate
production
new
collagen
elastin
fibers.
Enhanced
ECM
protein
synthesis
leads
significant
improvements
biomechanics
quality,
reducing
laxity
enhancing
appearance.
Clinical
support
these
findings,
showing
firmness
texture
following
treatment.
Conclusion
Through
analyzing
underlying
mechanisms
observable
this
sets
stage
aesthetics.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 11, 2025
Abstract
Managing
junctional
hemorrhage
is
challenging
due
to
ineffective
existing
techniques,
with
the
groin
being
most
common
site,
accounting
for
approximately
19.2%
of
potentially
survivable
field
deaths.
Here,
we
report
a
bicomponent
nano-
and
microfiber
aerogel
(NMA)
injection
into
deep,
narrow
wounds
effectively
halt
bleeding.
The
comprises
intertwined
poly(lactic
acid)
nanofibers
poly(ε-caprolactone)
microfibers,
mechanical
properties
tunable
through
crosslinking.
Optimized
aerogels
demonstrate
improved
resilience,
toughness,
elasticity,
enabling
rapid
re-expansion
upon
blood
contact.
They
superior
absorption
clotting
efficacy
compared
commercial
products
(i.e.,
QuikClot®
Combat
Gauze
XStat®).
Most
importantly,
in
lethal
swine
wound
model
(Yorkshire
swine,
both
male
female,
n
=
5),
treatment
achieved
immediate
hemostasis,
100%
survival
rate,
no
rebleeding,
hemodynamic
stability,
stable
coagulation,
hematologic,
arterial
gas
testing.
Abstract
The
growing
demand
for
energy‐efficient
carbon
capture
has
spurred
significant
advancements
in
supported
ionic
liquid
membranes
(SILMs),
which
utilize
(IL)
with
high
CO
2
solubility
continuous
gas
purification
processes.
However,
conventional
SILMs
are
hindered
by
a
persistent
limitation:
thick
IL
layers
(>
50
µm)
significantly
reduce
permeance
to
below
1
GPU,
while
also
causing
mechanical
failure
under
prolonged
operational
pressure.
Inspired
the
interlocking
elytra
of
Tenebrionidae
beetles,
use
microscale
“teeth”
withstand
stress,
locked
(LILMs)
engineered
composeing
two
interpenetrating
polyamide
nanofilms
biomimetic
protrusions.
These
confine
ILs
within
cavities
formed
protrusions,
thinning
sub‐0.5
µm
resisting
shear
stresses.
LILMs
demonstrate
/N
selectivity
55
and
an
enhanced
8.2
surpassing
performance
≈20‐fold
maintaining
stability
over
168
h
mixed
separation.
By
dual‐purposing
as
both
solvents
interfacial
polymerization
transporters,
this
bio‐inspired
architecture
overcomes
thickness‐stability
limitations,
enabling
capture.
Taking
inspiration
from
diverse
interlocking
and
adhesion
structures
found
in
nature,
a
biaxially
interface
is
developed
this
work.
This
formed
by
interconnecting
two
electrostatically
flocked
substrates
its
mechanical
strength
enhanced
through
the
incorporation
of
enoki‐mushroom‐shaped
microfibers
deposited
extracellular
matrix
(ECM).
Tips
straight
fibers
can
be
transformed
into
mushroom
shapes
thermal
treatment.
The
tensile
interlocked
scaffolds
with
mushroom‐shaped
tips
drastically
increases
when
compared
to
made
fibers,
which
not
reported
previously.
More
cells
proliferate
within
than
fibers.
Additionally,
(e.g.,
compressive,
tensile,
shear)
cell‐seeded
proportionally
amount
ECM
dermal
fibroblasts.
study
holds
promise
for
applications
engineering
interfacial
tissues,
modeling
tissue
interfaces,
investigating
tissue–tissue
interactions,
facilitating
bridging
or
binding.
