Micromachines,
Год журнала:
2023,
Номер
14(12), С. 2173 - 2173
Опубликована: Ноя. 29, 2023
The
emergence
of
magnetic
polymer
composites
has
had
a
transformative
impact
on
the
field
soft
robotics.
This
overview
will
examine
various
methods
by
which
innovative
materials
can
be
synthesized
and
utilized.
advancement
robotic
systems
been
significantly
enhanced
utilization
composites,
amalgamate
pliability
polymers
with
reactivity
materials.
study
extensively
examines
production
methodologies
involved
in
dispersing
particles
within
matrices
controlling
their
spatial
distribution.
objective
is
to
gain
insights
into
strategies
required
attain
desired
mechanical
properties.
Additionally,
this
delves
potential
applications
these
robotics,
encompassing
devices
such
as
actuators,
grippers,
wearable
gadgets.
emphasizes
capabilities
offer
novel
framework
for
biocompatible,
versatile
that
utilize
actuation.
ACS Applied Polymer Materials,
Год журнала:
2022,
Номер
4(12), С. 9323 - 9340
Опубликована: Ноя. 29, 2022
Heteroatom-doped
carbon
dot
(CD)-reinforced
flexible,
antioxidant,
and
UV-resistant
polymeric
thin
films
have
been
fabricated
by
a
facile
physical
compounding
strategy
associated
with
the
'cast
peel'
technique.
The
prepared
CDs
were
found
to
be
stable
in
aqueous
media
because
of
their
zeta
potential
value
(−5.85
mV).
There
was
no
significant
change
values
during
7
days
storage,
indicating
long-term
stability
CPCDs.
CD-reinforced
thermoplastic
starch
(TPS)/κ-carrageenan
hybrid
developed
as
antioxidants
improve
shelf-life
agro-products.
Besides
this,
they
also
qualified
for
mechanical
strength
(>40
MPa),
transparency
(∼77%),
nondeteriorative
dimensional
integrity
at
high
relative
humidity
(∼97%),
properties.
For
assessing
food
preservation
behavior,
leaching
has
studied
time-dependent
sustained
release
different
simulant
media,
where
it
showed
gradual
alteration
entrapment
efficacy
high-polarity
gradient
environments.
mechanism
CD
obtained
from
non-Fickian
fittings
initial
preplateaued
kinetic
data.
Surprisingly,
when
these
nanodots
arrested
inside
polymer
matrix,
film
excellent
water
vapor
impermeability,
low
moisture
retention,
sufficient
toughness,
superficial
compliance
external
flexing
stretching.
Also,
CD-based
TPS/κ-carrageenan
exhibited
strong
antioxidant
activity,
determined
1,1-diphenyl-2-picrylhydrazyl
(>85%)
2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic
acid
assays
(>90%).
Thus,
could
promoted
ideal
alternatives
packaging
thin,
tough,
moisture-impermeable
ACS Applied Bio Materials,
Год журнала:
2022,
Номер
5(12), С. 5617 - 5633
Опубликована: Дек. 8, 2022
Fluorescent
nanocarbons
are
well-proficient
nanomaterials
because
of
their
optical
properties
and
surface
engineering.
Herein,
Apium
graveolens-derived
carbon
dots
(ACDs)
have
been
synthesized
by
a
one-step
hydrothermal
process
without
using
any
surplus
vigorous
chemicals
or
ligands.
ACDs
were
captured
via
an
in
situ
gelation
reaction
to
form
semi-interpenetrating
polymer
network
system
showing
mechanical
robustness,
fluorescent
behavior,
natural
adhesivity.
ACDs-reinforced
hydrogels
tested
against
robust
uniaxial
stress,
repeated
stretching,
thixotropy,
low
creep,
fast
strain
recovery,
confirming
elastomeric
sustainability.
Moreover,
the
room-temperature
self-healing
behavior
was
observed
for
hydrogels,
with
healing
efficacy
more
than
45%.
Water
imbibition
through
hydrogel
surfaces
digitally
monitored
"breathing"
"accelerated
breathing"
behaviors.
The
phytomedicine
release
from
tuned
ACDs'
microstructure
regulatory
activity,
resulting
better
control
diffusion
rate
compared
conventional
chemical
hydrogels.
Finally,
phytomedicine-loaded
found
be
excellent
bactericidal
materials
eradicating
85%
Gram-positive
-negative
bacteria.
delayed
rupturing,
superstretchability,
self-healing,
controlled
release,
antibacterial
could
make
this
material
alternative
soft
biomaterials
robotics.
Langmuir,
Год журнала:
2022,
Номер
38(12), С. 3936 - 3950
Опубликована: Март 14, 2022
The
current
work
delivers
preparation
of
MXene-based
magnetic
nanohybrid
coating
for
flexible
electronic
applications.
Herein,
we
report
carbon
dot-triggered
photopolymerized
polynorepinepherene
(PNE)-coated
MXene
and
iron
oxide
hybrid
deposited
on
the
cellulose
microporous
membrane
via
a
vacuum-assisted
filtration
strategy.
surface
morphologies
have
been
monitored
by
scanning
electron
microscopy
analysis,
thickness
was
evaluated
gallium-ion-based
focused
ion
beam
method.
Coated
membranes
tested
against
uniaxial
tensile
stretching
assessed
their
fracture
edges
in
order
to
assure
flexibility
mechanical
strength.
Strain
sensors
electromagnetic
interference
(EMI)
shielding
both
material
because
its
electrical
conductivity.
bending
strain
sensitivity
has
stringent
fast
'rupture
reform'
percolation
network
formation
coated
surface.
Increased
strength,
solvent
tolerance,
cyclic
deformation
EMI
performance
were
achieved
decreasing
interstitial
porosity.
Considering
possible
application,
also
simulated
static
dynamic
water
flow
conditions
that
could
infer
excellent
robustness
which
confirmed
elemental
analysis
ICP-MS.
Thus,
as
nurturing
works
literature,
it
be
believed
developed
will
an
ideal
alternative
lightweight
versatile
ACS Applied Nano Materials,
Год журнала:
2022,
Номер
5(1), С. 1644 - 1655
Опубликована: Янв. 6, 2022
Solid
matrix-supported
liquid
metal
nanoparticles
have
been
drawing
attention
as
a
nanoadditive
in
the
fabrication
of
electroconductive
flexible
and
soft
materials.
The
present
work
reports
facile,
green,
sonochemical
synthesis
approach
gallium
(Ga)
embedded
reduced
graphene
oxide
(RGO)
under
ambient
conditions
for
first
time.
as-synthesized
ultrasonic
energy-irradiated
RGO/Ga
nanocomposite
was
studied
using
SEM,
TEM,
DSC,
XRD,
XPS,
solid-state
NMR.
Because
their
electrical
conductivity,
used
conducting
inclusion
poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)
matrix
coated
on
cotton
fabrics
to
develop
smart
e-textile
electromagnetic
(EM)
radiation-shielding
application.
In
X-band
(8.2–12.4
GHz)
frequency
range,
nanocomposites'
EM
interference-shielding
efficiency
about
34
dB.
Moreover,
because
metal–graphene
interfaces;
fabricated
materials
were
excellent
heat
conductors
reporting
∼44%
increment
thermal
conductivity
compared
bare
fabric.
textile's
durability
tested
various
conditions.
hard
phase
is
disseminated
throughout
fabric,
while
polymeric
phase,
that
is,
PEDOT:PSS
macrochains,
tended
interlink
among
dispersed
phases
construct
large
spatial
network.
Therefore,
such
lightweight,
flexible,
conductive
e-fabric
could
be
not
only
mitigating
pollution
but
also
an
alternative
commercial
metallic
wave
absorbers
telecommunication,
aerospace,
next-generation
electronics
areas.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(24), С. 29425 - 29439
Опубликована: Июнь 6, 2023
Hospital-acquired
(nosocomial)
infections
account
for
the
majority
of
adverse
health
effects
during
care
delivery,
placing
an
immense
financial
strain
on
healthcare
systems
around
world.
For
first
time,
present
article
provides
evidence
a
straightforward
pollution-free
technique
to
fabricate
heteroatom-doped
carbon
dot
immobilized
fluorescent
biopolymer
composite
development
functional
textiles
with
antioxidant
and
antimicrobial
properties.
A
simple,
facile,
eco-friendly
approach
was
devised
prepare
dots
from
waste
green
tea
biopolymer.
The
showed
excitation-dependent
emission
behavior,
XPS
data
unveiled
that
they
are
co-doped
nitrogen
sulfur.
facile
physical
compounding
strategy
adopted
reinforced
biopolymeric
followed
by
immobilization
onto
textile.
revealed
excellent
activity,
determined
1,1-diphenyl-2-picrylhydrazyl
(>80%)
2,2′-azinobis-3-ethylbenzothiazoline-6-sulfonic
acid
assays
(>90%).
results
disc
diffusion
assay
indicated
substantially
inhibited
growth
both
tested
bacteria
Escherichia
coli
Bacillus
subtilis
increasing
coating
cycles.
time-dependent
antibacterial
experiments
nanocomposite
can
inhibit
significant
bacterial
within
few
hours.
study
could
open
up
possibility
commercialization
inexpensive
smart
textile
substrates
prevention
microbial
contamination
used
medical
field.
Talanta Open,
Год журнала:
2023,
Номер
8, С. 100243 - 100243
Опубликована: Июль 8, 2023
Hydrogels
have
a
significant
impact
on
the
fields
of
biological
study
and
medical
diagnosis.
They
are
becoming
more
useful
in
bioanalytical
biosensing
applications.
The
intriguing
new
nanomaterials
quantum
dots-hydrogel
composites
gained
lot
interest
because
their
unmatched
biocompatibility
tolerable
biodegradability,
which
opens
up
wide
range
possible
Focusing
synthesis
techniques,
this
review
describes
current
developments
composites,
such
as
hydrogel
gelation
dots
(QDs)
solution,
inserting
prepared
QDs
into
hydrogels
after
gelation,
generating
situ
inside
preformed
gel,
cross-linking
through
QDs.
Biomedical
applications
bioimaging
specifically
examined,
then
inherent
problems
design
optimisation,
biocompatibility,
bimodal
applications,
well
potential
future
development,
discussed.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(5), С. 5272 - 5286
Опубликована: Фев. 21, 2024
Superparamagnetic
nanoparticle-arrested
hydrogel
matrices
have
immense
significance
in
smart
soft
biomaterials.
Herein,
we
report
the
synthesis
of
superparamagnetic
nanoparticle-loaded
magneto-responsive
tough
elastomeric
hydrogels
for
dual-responsive
drug
delivery.
In
first
phase
work,
carried
out
room-temperature
amine-functionalized
iron
oxide
nanoparticles
(IONPs),
and
second
demonstrated
that
IONPs
could
act
as
a
toughening
agent
well
viscosity
modifier
poly(acrylic
acid-co-hydroxyethyl
methacrylate)
copolymer
hydrogels.
The
was
tested
by
Fourier
transformed
infrared
(FTIR)
spectroscopy,
X-ray
photoelectron
spectroscopy
(XPS),
continuous-wave-electron
paramagnetic
resonance
(CW-EPR).
Moreover,
affect
its
gelation
time
elasticity
significantly,
which
also
evaluated
from
rheological
behavior.
compressive
mechanical
strength
(∼120
kPa),
elasticity,
recovery
to
original
shape
(zero
permanent
set),
water
uptake,
thixotropic
behavior
under
dynamic
stress
hybrid
supported
robustness
swelled
state.
release
showed
dual
parameter
dependency
(IONPs
cross-linker)
responsiveness
against
both
pH
static
magnetic
field.
delayed
network
rupturing,
delivery
nature,
noncytotoxic
human
live
cells
promote
this
an
ideal
alternative
remotely
controlled
vehicle.
