Cyborg and Bionic Systems,
Год журнала:
2024,
Номер
5
Опубликована: Янв. 1, 2024
In
the
realm
of
precise
medicine,
advancement
manufacturing
technologies
is
vital
for
enhancing
capabilities
medical
devices
such
as
nano/microrobots,
wearable/implantable
biosensors,
and
organ-on-chip
systems,
which
serve
to
accurately
acquire
analyze
patients’
physiopathological
information
perform
patient-specific
therapy.
Electrospinning
holds
great
promise
in
engineering
materials
components
advanced
devices,
due
demonstrated
ability
advance
development
nanomaterial
science.
Nevertheless,
challenges
limited
composition
variety,
uncontrollable
fiber
orientation,
difficulties
incorporating
fragile
molecules
cells,
low
production
effectiveness
hindered
its
further
application.
To
overcome
these
challenges,
electrospinning
techniques
have
been
explored
manufacture
functional
composites,
orchestrated
structures,
living
constructs,
scale-up
fabrication.
This
review
delves
into
recent
advances
underscores
their
potential
revolutionizing
field
upon
introducing
fundamental
conventional
techniques,
well
discussing
current
future
perspectives.
Bioactive Materials,
Год журнала:
2023,
Номер
30, С. 129 - 141
Опубликована: Июль 28, 2023
In
clinical
applications,
there
is
a
lack
of
wound
dressings
that
combine
efficient
resistance
to
drug-resistant
bacteria
with
good
self-healing
properties.
this
study,
series
adhesive
conductive
antibacterial
hydrogel
based
on
oxidized
sodium
alginate-grafted
dopamine/carboxymethyl
chitosan/Fe3+
(OSD/CMC/Fe
hydrogel)/polydopamine-encapsulated
poly(thiophene-3-acetic
acid)
(OSD/CMC/Fe/PA
hydrogel)
were
prepared
for
the
repair
infected
wound.
The
Schiff
base
and
Fe3+
coordination
bonds
structure
are
dynamic
can
be
repaired
automatically
after
network
disrupted.
Macroscopically,
exhibits
properties,
allowing
dressing
adapt
complex
surfaces.
OSD/CMC/Fe/PA
showed
conductivity
photothermal
properties
under
near-infrared
(NIR)
light
irradiation.
addition,
hydrogels
exhibit
tunable
rheological
suitable
mechanical
antioxidant
tissue
adhesion
hemostatic
Furthermore,
all
improved
healing
in
full-thickness
defect
skin
test
mice.
size
by
OSD/CMC/Fe/PA3
+
NIR
was
much
smaller
(12%)
than
control
group
treated
Tegaderm™
film
14
days.
conclusion,
have
high
efficiency,
conductivity,
great
biocompatibility,
hemostasis
making
them
promising
candidates
treatment
wounds.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Июнь 22, 2022
Nanoplastic
pollution,
the
final
product
of
plastic
waste
fragmentation
in
environment,
represents
an
increasing
concern
for
scientific
community
due
to
easier
diffusion
and
higher
hazard
associated
with
their
small
sizes.
Therefore,
there
is
a
pressing
demand
effective
strategies
quantify
remove
nanoplastics
wastewater.
This
work
presents
"on-the-fly"
capture
three-dimensional
(3D)
space
by
multifunctional
MXene-derived
oxide
microrobots
further
detection.
A
thermal
annealing
process
used
convert
Ti3C2Tx
MXene
into
photocatalytic
multi-layered
TiO2,
followed
deposition
Pt
layer
decoration
magnetic
γ-Fe2O3
nanoparticles.
The
γ-Fe2O3/Pt/TiO2
show
negative
photogravitaxis,
resulting
powerful
fuel-free
motion
six
degrees
freedom
under
light
irradiation.
Owing
unique
combination
self-propulsion
programmable
Zeta
potential,
can
quickly
attract
trap
on
surface,
including
slits
between
multi-layer
stacks,
allowing
collection.
Utilized
as
self-motile
preconcentration
platforms,
they
enable
nanoplastics'
electrochemical
detection
using
low-cost
portable
electrodes.
proof-of-concept
study
paves
way
toward
"on-site"
screening
water
its
successive
remediation.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(47)
Опубликована: Окт. 5, 2022
Removal
and
degradation
of
microplastics
are
often
carried
out
separately.
In
this
work,
hydrophilic
bare
Fe3
O4
nanoaggregates
allowed
efficient
removal
the
most
common
including
high-density
polyethylene,
polypropylene,
polyvinyl
chloride,
polystyrene,
polyethylene
terephthalate.
Full
extraction
was
achieved
using
at
1
%
mass
microplastics.
Hydrogen
bonding
is
main
force
for
adsorption
.
Unlike
more
commonly
used
hydrophobically
modified
nanoparticles,
benefitted
from
peroxidase-like
activity
its
exposed
surface,
enabling
further
catalytic
with
nearly
100
efficiency
easy
recovery
ACS Nano,
Год журнала:
2023,
Номер
17(16), С. 15254 - 15276
Опубликована: Авг. 3, 2023
Stimuli-responsive
functional
micro-/nanorobots
(srFM/Ns)
are
a
class
of
intelligent,
efficient,
and
promising
microrobots
that
can
react
to
external
stimuli
(such
as
temperature,
light,
ultrasound,
pH,
ion,
magnetic
field)
perform
designated
tasks.
Through
adaptive
transformation
into
the
corresponding
forms,
they
perfectly
match
demands
depending
on
different
applications,
which
manifest
extremely
important
roles
in
targeted
therapy,
biological
detection,
tissue
engineering,
other
fields.
Promising
srFM/Ns
be,
few
reviews
have
focused
them.
It
is
therefore
necessary
provide
an
overview
current
development
these
intelligent
clear
inspiration
for
further
this
field.
Hence,
review
summarizes
advances
stimuli-responsive
regarding
their
response
mechanism,
achieved
functions,
applications
highlight
pros
cons
stimuli.
Finally,
we
emphasize
existing
challenges
propose
possible
strategies
help
accelerate
study
field
promote
toward
actual
applications.
