Micromachines,
Journal Year:
2024,
Volume and Issue:
15(12), P. 1454 - 1454
Published: Nov. 29, 2024
Micro-
and
nanorobots
(MNRs)
have
attracted
significant
interest
owing
to
their
promising
applications
in
various
fields,
including
environmental
monitoring,
biomedicine,
microengineering.
This
review
explores
advances
the
synthetic
routes
used
for
preparation
of
MNRs,
focusing
on
both
top-down
bottom-up
approaches.
Although
approach
dominates
field
because
its
versatility
design
functionality,
strategies
that
utilize
template-assisted
electrochemical
deposition
bioconjugation
present
unique
advantages
terms
biocompatibility.
investigates
diverse
propulsion
mechanisms
employed
magnetic,
electric,
light,
biological
forces,
which
enable
efficient
navigation
fluidic
environments.
The
interplay
between
synthesis
MNRs
development
colorimetric
fluorescence
detection
platforms
is
emphasized.
Additionally,
we
summarize
recent
advancements
as
sensing
biosensing
platforms,
particularly
fluorescence-based
systems.
By
utilizing
controlled
motion
dynamic
changes
fluorescent
signals
responses
can
be
achieved,
thereby
enhancing
sensitivity
selectivity
biomolecular
detection.
highlights
transformative
potential
emphasizes
role
advancing
diagnostic
technologies
through
innovative
motion-driven
signal
transduction
mechanisms.
Subsequently,
provide
an
overview
primary
challenges
currently
faced
MNR
research,
along
with
our
perspective
future
MNR-assisted
chemical
sensing.
Moreover,
issues
related
enhanced
stability,
biocompatibility,
integration
existing
systems
are
discussed.
Bacteria,
Journal Year:
2025,
Volume and Issue:
4(1), P. 15 - 15
Published: March 7, 2025
Textile
dyes
pose
a
major
environmental
threat
due
to
their
toxicity,
persistence
in
water
bodies,
and
resistance
conventional
wastewater
treatment.
To
address
this,
researchers
have
explored
biological
physicochemical
degradation
methods,
focusing
on
microbial,
photolytic,
nanoparticle-mediated
approaches,
among
others.
Microbial
depends
fungi,
bacteria,
yeasts,
algae,
utilizing
enzymatic
pathways
involving
oxidoreductases
like
laccases,
peroxidases,
azoreductases
breakdown
or
modify
complex
dye
molecules.
Photolytic
employs
hydroxyl
radical
generation
electron-hole
pair
formation,
while
utilizes
titanium
dioxide
(TiO2),
zinc
oxide
(ZnO),
silver
(Ag)
nanoparticles
enhance
removal.
improve
efficiency,
microbial
consortia
been
developed
decolorization
mineralization,
offering
cost-effective
eco-friendly
alternative
methods.
Photocatalytic
degradation,
particularly
using
TiO2,
harnesses
light
energy
for
breakdown.
Research
advancements
focus
shifting
TiO2
activation
from
UV
visible
through
doping
composite
materials,
optimizing
surface
area
mesoporosity
better
adsorption.
Nanoparticle-mediated
approaches
benefit
high
rapid
adsorption,
with
ongoing
improvements
synthesis,
functionalization,
reusability,
magnetic
nanoparticle
integration.
These
emerging
technologies
provide
sustainable
solutions
degradation.
The
primary
aim
of
this
review
is
comprehensively
evaluate
synthesize
current
research
the
azo
photolytic
processes,
nanotechnology-based
approaches.
also
provides
detailed
information
salient
mechanistic
aspects
these
efficiencies,
advantages,
challenges,
potential
applications
industrial
contexts.
Science China Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Abstract
L1
0
-FePt-type
bit-patterned
media
has
provided
a
promising
alternative
for
ultrahigh-density
magnetic
recording
systems
in
the
current
digital
era,
but
rapid
fabrication
of
patterns
with
hyperfine
bit
islands
is
still
challenging,
especially
target
miniaturization
and
scalable
production
simultaneously.
Herein,
Fe,Pt-containing
block
copolymers
were
utilized
as
single-source
precursors
solution-processable
patterning
subsequent
generation
demanding
FePt
dots
by
situ
pyrolysis.
High-throughput
nanoimprint
lithography
was
initially
employed
to
fabricate
predefined
cells
precisely,
then
intrinsic
self-assembly
phase-separated
further
drove
formation
accurate
islands.
Benefiting
from
synergistic
effect
top-down
lithographic
approach
bottom-up
self-assembly,
customizable
could
be
achieved
large-scale
mass
targeted
areas,
high-density
isolated
also
accurately
aligned
along
patterned
features
after
self-assembly.
This
reliable
strategy
would
provide
good
avenue
precisely
construct
data
storage
devices.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
In
the
dynamic
realm
of
translational
nanorobotics,
endeavor
to
develop
nanorobots
carrying
therapeutics
in
rational
vivo
applications
necessitates
a
profound
understanding
biological
landscape
human
body
and
its
complexity.
Within
this
landscape,
membranes
stand
as
critical
barriers
successful
delivery
therapeutic
cargo
target
site.
Their
crossing
is
not
only
challenge
for
nanorobotics
but
also
pivotal
criterion
clinical
success
therapeutic-carrying
nanorobots.
Nevertheless,
despite
their
urgency,
strategies
membrane
remain
relatively
underrepresented
scientific
literature,
signaling
an
opportunity
further
research
innovation.
This
review
focuses
on
with
various
propulsion
mechanisms
from
chemical
physical
hybrid
mechanisms,
it
identifies
describes
four
essential
that
represent
needed
be
crossed
journey
applications.
First
entry
point
into
blood
stream,
which
skin
or
mucosa
intravenous
injection;
next
exit
bloodstream
across
endothelium
site;
cell
through
plasma
and,
finally,
escape
lysosome,
otherwise
destroys
cargo.
The
discusses
design
challenges
inherent
translating
nanorobot
technologies
real-world
provides
overview
documented
crossings.
aim
underscore
need
interdisciplinary
collaborations
between
chemists,
materials
scientists
biologists
vital
domain
has
potential
revolutionize
field
precision
medicine.
Nano-/microrobots
have
been
demonstrated
as
an
efficient
solution
for
environmental
remediation.
Their
strength
lies
in
their
propulsion
abilities
that
allow
active
“on-the-fly”
operation,
such
pollutant
detection,
capture,
transport,
degradation,
and
disruption.
Another
advantage
is
versatility,
which
allows
the
engineering
of
highly
functional
solutions
a
specific
application.
However,
latter
can
bring
complexity
to
applications;
versatility
dimensionality,
morphology,
materials,
surface
decorations,
other
modifications
has
crucial
effect
on
resulting
abilities,
compatibility
with
environment,
overall
functionality.
Synergy
between
decorations
its
projection
functionality
object
nanoarchitectonics.
Here,
we
scrutinize
nano-/microrobots
eyes
nanoarchitectonics:
list
general
concepts
help
assess
synergy
limitations
individual
procedures
fabrication
processes
operation
at
macroscale.
The
nanoarchitectonics
approached
from
microscopic
level,
focusing
dimensionality
through
nanoscopic
evaluating
influence
decoration
nanoparticles
quantum
dots,
moving
molecular
single-atomic
level
very
fine
tuning
presented
review
aims
lay
provide
overview
advanced
nano-/microrobot
remediation
beyond.
Biosensors,
Journal Year:
2025,
Volume and Issue:
15(2), P. 115 - 115
Published: Feb. 16, 2025
Surface-enhanced
Raman
spectroscopy
(SERS)
has
emerged
as
a
powerful
noninvasive
analytical
technique
with
widespread
applications
in
biochemical
analysis
and
biomedical
diagnostics.
The
need
for
highly
sensitive,
reproducible,
efficient
detection
of
biomolecules
complex
biological
environments
driven
significant
advancements
SERS-based
biosensing
platforms.
In
this
context,
micro/nanomachines
(MNMs)
have
garnered
attention
versatile
SERS-active
substrates
due
to
their
unique
structural
motional
characteristics
at
the
micro-
nanoscale.
This
review
explores
advantages
integrating
MNMs
SERS
biosensing,
discussing
recent
technological
advances,
various
propulsion
strategies,
potential
range
applications.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
Abstract
Ensuring
food
quality
and
safety
according
to
stringent
global
standards
requires
analytical
procedures
that
are
accurate,
cost‐effective,
efficient.
This
present
innovative
high‐throughput
microrobots
designed
for
the
detection
of
antioxidants
in
samples.
These
consist
photocatalytic
bismuth
subcarbonate
anchored
on
silica‐coated
magnetite
nanoparticles.
Upon
exposure
UV
light,
they
generate
reactive
oxygen
species
via
photocatalysis,
which
oxidize
colorless
dye
into
a
green‐colored
radical
cation.
The
presence
inhibits
this
reaction,
allowing
quantification
antioxidant
activity.
magnetic
Fe₃O₄/SiO₂
core
enables
steering
using
transverse
rotating
field,
facilitating
automated
assays
custom‐designed
3D‐printed
sensing
platform.
results
demonstrate
these
magneto‐photocatalytic
can
perform
automated,
assessments
quality,
representing
significant
advancement
analysis
technology.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Studying
the
interactions
among
active
and
passive
units
in
a
heterogeneous
fluid
medium
is
an
attractive
regime
matter
systems.
It
of
paramount
importance
to
investigate
those
systems
not
only
understand
complex
dynamics
behavior
but
also
design
reconfigurable
novel
structures.
Here,
light‐activated
rod‐like
colloidal
micromotors
show
intriguing
swimming
patterns
when
attached
inert
silica
spheres.
The
comprise
swimmers
made
semiconducting
material
like
silica‐titania,
fabricated
primarily
by
Glancing
Angle
Deposition
(GLAD)‐based
Physical
Vapor
(PVD)
technique.
activity
rods
solely
triggered
upon
UV
illumination,
resulting
phoretic
slip
flows
around
rods,
which
push
them
into
translational
mode.
Interestingly,
their
changes
encountering
particles,
transitioning
from
inherent
random
path
spiral,
linear,
or
orbital
depending
on
number
size
particles.
Numerical
modeling
performed,
accurately
predicts
these
behaviors,
aligning
with
experimental
results.
This
study
advances
ability
control
particle
mediums
enhances
understanding
similar
cumbersome
phenomena
other
biological
artificial
nonequilibrium
Applied Physics Reviews,
Journal Year:
2025,
Volume and Issue:
12(2)
Published: April 15, 2025
Spinel
cobalt
ferrite
(CoFe2O4,
CFO)
nanoparticles
(NPs)
are
a
major
focus
of
fundamental
science
and
technological
innovation
due
to
their
distinctive
mix
magnetic,
electrical,
chemical
characteristics.
CFO
NPs
have
outstanding
stability,
modest
saturation
magnetism
(∼80
emu/g),
high
Curie
temperature
(∼793
K),
significant
magnetocrystalline
anisotropy.
These
characteristics,
further
improved
by
cation
substitution
surface
functionalization,
enable
wide
range
applications.
This
review
provides
comprehensive
analysis
NPs,
covering
synthesis
methods,
physicochemical
characterization,
modifications,
diverse
We
compare
the
environmental
impact,
scalability,
yield,
particle
size
control
variety
techniques,
including
co-precipitation,
hydrothermal,
sol-gel
route,
combustion
method,
microemulsion,
thermal
decomposition,
electrochemical
synthesis,
polyol
green
methods.
The
sustainable
alternative
which
employs
plant-
microbe-mediated
biosynthesis,
is
becoming
increasingly
important
in
biomedical
sectors.
Furthermore,
we
explore
advanced
functionalization
techniques
that
employ
monomeric,
inorganic,
polymeric
stabilizers
improve
biocompatibility
stability
NPs.
effects
(such
as
transition
metals
rare-earth
dopants)
on
magnetic
properties
examined
detail,
addressing
challenges
like
cost
real-world
Moreover,
present
detailed
discussion
correlating
structural,
morphological,
dielectric,
optical,
electrical
with
methods
modifications.
traditional
energy
storage
conversion
applications
comprehensively
discussed.
Additionally,
highlights
applications,
(e.g.,
MRI
contrast
agents,
hyperthermia,
biosensors),
role
electronics
optoelectronics,
purification
catalysis
well
advances
electromagnetic
technologies.
Emerging
roles
quantum
computing,
nanorobotics,
tissue
engineering,
bioimaging,
also
discussed,
emphasizing
cutting-edge
potential
multifunctional
objective
this
critically
evaluate
recent
advancements,
challenges,
future
research
directions
bridge
divide
understanding
systematic
evaluation
establishes
strong
foundation
for
researchers,
allowing
them
investigate
novel
both
current
emerging
domains.