Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
Biomolecule
isolation
is
a
crucial
process
in
diverse
biomedical
and
biochemical
applications,
including
diagnostics,
therapeutics,
research,
manufacturing.
Recently,
MXenes,
novel
class
of
two-dimensional
nanomaterials,
have
emerged
as
promising
adsorbents
for
this
purpose
due
to
their
unique
physicochemical
properties.
These
biocompatible
antibacterial
nanomaterials
feature
high
aspect
ratio,
excellent
conductivity,
versatile
surface
chemistry.
This
timely
review
explores
the
potential
MXenes
isolating
wide
range
biomolecules,
such
proteins,
nucleic
acids,
small
molecules,
while
highlighting
key
future
research
trends
innovative
applications
poised
transform
field.
provides
an
in-depth
discussion
various
synthesis
methods
functionalization
techniques
that
enhance
specificity
efficiency
biomolecule
isolation.
In
addition,
mechanisms
by
which
interact
with
biomolecules
are
elucidated,
offering
insights
into
selective
adsorption
customized
separation
capabilities.
also
addresses
recent
advancements,
identifies
existing
challenges,
examines
emerging
may
drive
next
wave
innovation
rapidly
evolving
area.
Nanotechnology,
Год журнала:
2024,
Номер
35(32), С. 325502 - 325502
Опубликована: Апрель 22, 2024
Flexible
piezoresistive
pressure
sensors
are
gaining
significant
attention,
particularly
in
the
realm
of
flexible
wearable
electronic
skin.
Here,
a
sensor
was
developed
with
broad
sensing
range
and
high
sensitivity.
We
achieved
this
by
curing
polydimethylsiloxane
(PDMS)
on
sandpaper,
creating
PDMS
film
as
template
micro-protrusion
structure.
The
core
layer
formed
using
composite
silver
nanowires
(AgNWs)
waterborne
polyurethane
(WPU)
similar
stands
out
its
exceptional
sensitivity,
showing
value
1.04
×
10
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
6(9), С. 6785 - 6792
Опубликована: Авг. 21, 2024
Flexible
pressure
sensors
play
a
vital
role
in
advancing
wearable
electronics
by
enabling
precise
health
monitoring,
human-machine
interfaces,
and
environmental
sensing.
MXene-based
piezoresistive
have
garnered
significant
attention
due
to
their
exceptional
electromechanical
properties.
However,
enhancing
performance
ensuring
sustainability
simultaneously
still
remain
critical
challenge.
In
this
study,
we
prepared
hydroxyl-rich
deacetylated
cellulose
acetate
(DCA)
fibers
attached
MXene
the
surface
form
three-dimensionally
interconnected
conductive
network.
Taking
advantage
of
typical
micromorphology
turn
high
electrical
conductivity
modulation,
resulting
MXene/DCA
(MDCA)
flexible
exhibited
exceptionally
sensitivity
(54.62
kPa–1),
excellent
linearity
range
0–40
kPa
(R2
=
0.998),
fast
response/recovery
time
(154/125
ms),
outstanding
long-term
durability
over
10
000
compression
cycles
at
12.37
without
degradation.
This
study
offers
promising
insights
into
development
high-performance,
environmentally
friendly
sensors.
Materials,
Год журнала:
2025,
Номер
18(3), С. 615 - 615
Опубликована: Янв. 29, 2025
With
the
advent
of
intelligent
era,
flexible
piezoelectric
tactile
sensors,
as
key
components
for
sensing
information
and
transmitting
signals,
have
received
worldwide
attention.
However,
pressure
sensors
are
still
currently
limited,
which
severely
restricts
their
practical
applications.
Furthermore,
demonstrations
conducted
in
labs
not
accurate
to
real-world
scenarios.
Thus,
there
is
an
urgent
need
further
optimize
intrinsic
performance
usage
characteristics
meet
application
requirements.
As
a
representative
piezoelectric,
polyvinylidene
fluoride
(PVDF)
exhibits
significant
advantages
terms
excellent
flexibility,
chemical
stability,
high
electromechanical
conversion,
low
cost,
appropriate
acoustic
impedance,
allow
it
serve
core
matrix
sensors.
This
paper
aims
summarize
very
recent
progress
based
on
PVDF,
including
composition
modulation,
structure
optimization,
Based
comprehensive
summary
studies,
we
propose
rational
perspectives
strategies
regarding
PVDF-based
provide
some
new
insights
research
industrial
communities.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(45), С. 62617 - 62626
Опубликована: Окт. 29, 2024
Self-powered
sensors,
capable
of
detecting
static
and
dynamic
pressure
without
an
external
power
source,
are
pivotal
for
advancements
in
human–computer
interaction,
health
monitoring,
artificial
intelligence.
Current
sensing
technologies,
however,
often
fall
short
meeting
the
growing
needs
precise
timely
monitoring.
This
article
introduces
a
novel
self-powered
sensor
utilizing
electrochemical
reactions.
The
sensor's
ion
conduction
path
internal
resistance
adjust
response
to
stress
across
broad
range.
Its
three-dimensional
structure,
crafted
by
using
simple
template
on
electrolyte,
enables
efficient
cost-effective
detection
various
mechanical
stimuli.
device
not
only
achieves
optimized
density
approximately
2.34
mW
cm–2─surpassing
most
existing
technologies─but
also
features
excellent
flexibility,
quick
response,
recovery
times
(0.15
0.19
s
respectively);
high
durability
(2000
cycles);
range
(0.23–20
kPa).
Moreover,
it
serves
as
ionic
touchpad,
enhancing
data
collection
recognition,
integrates
seamlessly
with
mouthpiece
accurate,
real-time
monitoring
respiratory
activities.
innovative
offers
minimal
cost
process
requirements
while
providing
multifunctional
capabilities
energy
harvesting
sensing,
marking
significant
step
forward
design
next-generation
sensors.
Polymers for Advanced Technologies,
Год журнала:
2024,
Номер
35(12)
Опубликована: Ноя. 25, 2024
ABSTRACT
The
exploration
of
cellulose,
a
natural
polysaccharide
derived
from
renewable
biomass,
has
seen
significant
advancements
in
recent
years
due
to
its
biocompatibility,
biodegradability,
and
versatility.
This
review
paper
comprehensively
covers
the
latest
developments
cellulose
derivatives
as
functional
biomaterials
for
various
biomedical
applications.
Emphasis
is
placed
on
intrinsic
properties
such
mechanical
strength,
thermal
stability,
chemical
modifiability,
which
enable
wide‐ranging
use
drug
delivery
systems,
wound
dressings,
tissue
engineering,
biosensors.
article
further
delves
into
modification
techniques—such
oxidation,
esterification,
etherification—that
enhance
cellulose's
performance,
allowing
it
be
fine‐tuned
specialized
medical
applications,
including
creation
scaffolds
regeneration
smart
materials
responsive
release.
Additionally,
hybridization
with
inorganic
offers
potential
developing
superior
antimicrobial
improved
characteristics.
also
addresses
challenges
processing,
particularly
concerning
optimizing
structure
specific
while
highlighting
future
opportunities
field
personalized
medicine
intelligent
healthcare
devices.
By
examining
both
current
innovations
trends,
this
highlights
growing
importance
sustainable
versatile
resource
industry.
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
6(7), С. 5117 - 5125
Опубликована: Июнь 24, 2024
Laser-induced
graphene
(LIG)
shows
broad
application
prospects
in
flexible
pressure
sensors
due
to
its
adjustable
electrical
properties,
good
economy,
and
roll-to-roll
compatibility.
Incorporating
an
appropriate
nanomaterial
into
LIG
is
effective
method
significantly
improve
pressure-sensitive
properties.
In
this
study,
we
report
MXene
nanoengineered
for
highly
sensitive
piezoresistive
sensors.
The
photochemically
synthesized
MXene-derived
nanosheets
are
anchored
the
porous
network
of
form
a
MXene/graphene
heterostructure
(LIMG)
by
situ
coconversion
MXene/Polyamide
acid
(PAA)
composite
under
laser
irradiation.
Benefiting
from
conductive
paths
created
matrix
stable
chemical
bonding
MXene-LIG
interfaces,
LIMG
sensor
exhibits
sensitivity
20
kPa–1,
which
567%
higher
than
sensor.
Meanwhile,
has
wide
range
80
kPa,
fast
response/recovery
time
42/28
ms,
excellent
stability
over
4000
cycles.
practical
applications,
effectively
monitors
human
physiological
signals,
such
as
voice,
pulse,
respiration,
proving
wearable
health
monitoring.
Furthermore,
preparation
two-dimensional/three-dimensional
(2D/3D)
heterostructures
one-step
expected
promote
development
synthesis
technology.
