Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 27, 2024
Abstract
Active
colloids
are
modular
assemblies
of
distinct
micro‐
and
nanoscale
components
that
can
perform
complex
robotic
tasks.
While
recent
advances
in
templated
assembly
methods
enable
high‐throughput
fabrication
multi‐material
active
colloids,
their
limitations
reduce
the
ability
to
construct
flexibly
linked
colloidal
systems,
restricting
complexity,
agility,
functionality.
Here,
by
selective
removal
(TASR)
is
leveraged
multicomponent
microstructures
connected
with
compliant
DNA
nanotube
linkages.
Polycarbonate
heat
(PCH)
molding
employed
create
high‐surface‐energy
templates
for
improved
polystyrene
microsphere
via
TASR.
This
increase
template
surface
energy
improves
more
than
100‐fold
two‐sphere
microstructures.
An
inverse
relationship
between
microstructure
complexity
(i.e.,
number
microspheres)
yields
observed.
PCH‐assisted
TASR
larger
structures
containing
up
26
microspheres,
multi‐sphere
microrotors,
structurally
homogeneous
populations
linked,
microswimmers
locomote
fluid
environments.
Real‐time
modification
a
microswimmer
also
demonstrated
through
nuclease‐mediated
degradation
linkages,
highlighting
DNA‐enabled
reconfiguration
responsiveness
capabilities
these
microswimmers.
These
results
establish
as
versatile
method
constructing
microrobots
controlled
geometry,
enhanced
dynamic
response.
The European Physical Journal E,
Journal Year:
2025,
Volume and Issue:
48(2)
Published: Feb. 1, 2025
In
the
past
years,
amount
of
research
on
active
matter
has
grown
extremely
rapidly,
a
fact
that
is
reflected
in
particular
by
existence
more
than
1000
reviews
this
topic.
Moreover,
field
become
very
diverse,
ranging
from
theoretical
studies
statistical
mechanics
particles
to
applied
work
medical
applications
microrobots
and
biological
systems
artificial
swimmers.
This
makes
it
difficult
get
an
overview
over
as
whole.
Here,
we
provide
such
form
metareview
article
surveys
existing
review
articles
books
matter.
Thereby,
provides
useful
starting
point
for
finding
literature
about
specific
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(6)
Published: Dec. 20, 2023
Enzyme-powered
nanomotors
have
demonstrated
promising
potential
in
biomedical
applications,
especially
for
catalytic
tumor
therapy,
owing
to
their
ability
of
self-propulsion
and
bio-catalysis.
However,
the
fragility
natural
enzymes
limits
environmental
adaptability
also
therapeutic
efficacy
catalysis-enabled
therapy.
Herein,
polyoxometalate-nanozyme-based
light-driven
were
designed
synthesized
targeted
synergistic
photothermal-catalytic
In
this
construct,
peroxidase-like
activity
P
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Contact-free
rotation
of
microscopic
objects
in
aqueous
environments
based
on
optical
forces
is
a
powerful
concept
the
development
light-driven
microrobots,
micromachines,
torque
transducers,
and
rheological
sensors.
Here,
we
demonstrate
freely
movable
quasi-two-dimensional
metasurface
rotors
with
lateral
dimensions
up
to
100
μm
while
still
exhibiting
controllable
steady
when
submerged
water.
The
metarotors
utilize
photon
recoil
produce
strong
by
deflecting
low-intensity
laser
light
toward
high
angles
via
long
lever
arms,
which
amplify
creation
orbital
angular
momentum.
We
find
that
generated
single
metarotor
can
be
used
rotate
hundreds
passive
microparticles
present
solution,
suggesting
potential
applications
as
particle
mixers
microfluidics
microbiology.
Further
might
involve
utilizing
components
future
microrobots
for
biomedicine
beyond.
ACS Materials Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 668 - 674
Published: Jan. 23, 2025
A
major
challenge
in
developing
smart
micromachines
that
can
mimic
natural
microorganisms
is
their
ability
to
adapt
changing
environments.
This
study
presents
a
matchstick-shaped
microrotor
consisting
of
TiO2
head
and
SiO2
tail,
with
one
side
coated
by
PtO.
The
provides
photochemical
propulsion
under
UV
light,
while
the
PtO
coating
chemical
H2O2.
rotates
because
its
asymmetric
structure
uneven
forces.
Notably,
stronger
rotor
orbits
tighter
circles
as
engine
counteracts
engine,
two
engines
located
on
opposite
sides
center
mass.
Additionally,
microrotors
shorter
tails
moved
smaller
were
more
sensitive
changes
light
intensity.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
Soft
robotics
has
been
rapidly
advancing,
offering
significant
improvements
over
traditional
rigid
robotic
systems
through
the
use
of
compliant
materials
that
enhance
adaptability
and
interaction
with
environment.
However,
current
approaches
face
critical
challenges,
including
reliance
on
complex
"top-down"
fabrication
techniques
difficulty
wireless
powering
control
at
microscale.
Swarm
introduces
a
paradigm
shift,
leveraging
collective
dynamics
to
achieve
cooperative
adaptable
behaviors
among
multiple
units.
Inspired
by
nature,
this
"bottom-up"
approach
enables
swarm
robots
execute
task-specific
reconfigurations,
enhancing
flexibility
robustness.
Field-driven
active
colloids
emerge
as
promising
platform
for
microrobotics,
capable
self-propulsion
self-organization
into
dynamic
patterns
under
external
field
excitation
manipulation.
These
mimic
biologically
inspired
behaviors,
such
flocking
vortex
formation,
providing
versatile
foundation
designing
innovative
microrobots.
This
review
discusses
principles
electric
magnetic
field-driven
self-organization,
focusing
particle
dynamics,
emergence
patterns,
illustrative
examples
functional
It
concludes
future
perspectives
harnessing
these
adaptive,
scalable,
multifunctional
microrobotic
applications.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
explores
the
self-propulsion
mechanisms
of
chemically
driven
colloidal
motors,
principles
their
chemical
communication,
and
strategies
for
directed
assembly
active
superstructures.
Small Science,
Journal Year:
2023,
Volume and Issue:
3(11)
Published: Sept. 24, 2023
The
last
decade
has
seen
a
surge
of
interest
in
the
field
catalytically
propelled
micro‐
and
nanoswimmers
for
their
potential
use
biomedical
applications,
such
as
biosensing,
biopsy,
targeted
drug
delivery,
on‐the‐fly
chemistry.
However,
to
fully
utilize
these
devices,
precise
control
over
motion
is
essential.
Therefore,
it
important
thoroughly
understand
locomotion
mechanisms.
Herein,
currently
accepted
mechanisms
propulsion
are
discussed,
which
self‐electrophoresis,
self‐diffusiophoresis,
bubble
recoil.
Additionally,
concept
using
multilocomotive
solution
achieve
autonomous
navigation
explored.
Moreover,
recent
advances
design
devices
Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
136(6)
Published: Dec. 20, 2023
Abstract
Enzyme‐powered
nanomotors
have
demonstrated
promising
potential
in
biomedical
applications,
especially
for
catalytic
tumor
therapy,
owing
to
their
ability
of
self‐propulsion
and
bio‐catalysis.
However,
the
fragility
natural
enzymes
limits
environmental
adaptability
also
therapeutic
efficacy
catalysis‐enabled
therapy.
Herein,
polyoxometalate‐nanozyme‐based
light‐driven
were
designed
synthesized
targeted
synergistic
photothermal‐catalytic
In
this
construct,
peroxidase‐like
activity
P
2
W
18
Fe
4
polyoxometalates‐based
can
provide
facilitate
production
reactive
oxygen
species
thus
killing
cells,
even
weakly
acidic
microenvironment.
Conjugated
polydopamine
endows
with
capability
behavior.
After
10
min
NIR
(808
nm)
irradiation,
along
help
epidermal
growth
factor
receptor
antibody,
accumulation
penetration
enabled
highly
efficient
This
approach
overcomes
disadvantages
intrinsically
fragile
nature
enzyme‐powered
physiological
environments
and,
more
importantly,
provides
a
motility‐behavior
promoted
anti‐tumor
strategy.
