Advanced Healthcare Materials,
Год журнала:
2024,
Номер
13(27)
Опубликована: Июль 29, 2024
Abstract
Micro/nanomotors
represent
a
promising
class
of
drug
delivery
carriers
capable
converting
surrounding
chemical
or
external
energy
into
mechanical
power,
enabling
autonomous
movement.
Their
distinct
propulsive
force
distinguishes
them
from
other
carriers,
offering
significant
potential
for
enhancing
penetration
across
cellular
and
tissue
barriers.
A
comprehensive
understanding
micro/nanomotor
dynamics
with
various
power
sources
is
crucial
to
facilitate
their
transition
proof‐of‐concept
clinical
application.
In
this
review,
micro/nanomotors
are
categorized
three
classes
based
on
sources:
endogenously
stimulated,
exogenously
live
cell‐driven.
The
review
summarizes
the
mechanisms
governing
movements
under
these
explores
factors
influencing
motion.
Furthermore,
it
discusses
methods
controlling
movement,
encompassing
aspects
related
structure,
composition,
environmental
factors.
remarkable
exhibited
by
makes
valuable
biomedical
applications,
including
tumor
therapy,
bio‐detection,
bacterial
infection
inflammation
gastrointestinal
disease
remediation.
Finally,
addresses
challenges
prospects
application
micro/nanomotors.
Overall,
emphasizes
transformative
in
overcoming
biological
barriers
therapeutic
efficacy,
highlighting
applications
fields.
Abstract
Nature
provides
a
successful
evolutionary
direction
for
single‐celled
organisms
to
solve
complex
problems
and
complete
survival
tasks
–
pseudopodium.
Amoeba,
unicellular
protozoan,
can
produce
temporary
pseudopods
in
any
by
controlling
the
directional
flow
of
protoplasm
perform
important
life
activities
such
as
environmental
sensing,
motility,
predation,
excretion.
However,
creating
robotic
systems
with
pseudopodia
emulate
adaptability
tasking
capabilities
natural
amoeba
or
amoeboid
cells
remains
challenging.
Here,
this
work
presents
strategy
that
uses
alternating
magnetic
fields
reconfigure
droplet
into
Amoeba‐like
microrobot,
mechanisms
generation
locomotion
are
analyzed.
By
simply
adjusting
field
direction,
microrobots
switch
monopodia,
bipodia,
modes,
performing
all
pseudopod
operations
active
contraction,
extension,
bending,
movement.
The
endow
robots
excellent
maneuverability
adapt
variations,
including
spanning
3D
terrains
swimming
bulk
liquids.
Inspired
“Venom,”
phagocytosis
parasitic
behaviors
have
also
been
investigated.
Parasitic
droplets
inherit
robot,
expanding
their
applicable
scenarios
reagent
analysis,
microchemical
reactions,
calculi
removal,
drug‐mediated
thrombolysis.
This
microrobot
may
provide
fundamental
understanding
livings,
potential
applications
biotechnology
biomedicine.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 4907 - 4928
Опубликована: Янв. 1, 2024
Recent
studies
on
enhancing
charge
carrier
behavior
through
electric
effects
for
efficient
photocatalysis
are
summarized,
evaluating
the
in-depth
function
of
these
effects.
This
provides
unique
perspectives
to
optimize
photocatalytic
processes.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 29, 2024
Abstract
This
study
introduces
a
novel
solution
to
the
design
of
structured
catalysts,
integrating
single‐piece
3D
printing
with
single‐atom
catalysis.
Structured
catalysts
are
widely
employed
in
industrial
processes,
as
they
provide
optimal
mass
and
heat
transfer,
leading
more
efficient
use
catalytic
materials.
They
conventionally
prepared
using
ceramic
or
metallic
bodies,
which
then
washcoated
impregnated
catalytically
active
layers.
However,
this
approach
may
lead
adhesion
issues
latter.
By
employing
photopolymerization
printing,
stable
catalyst
is
directly
shaped
into
stand‐alone,
material.
The
battery
characterization
methods
present
confirms
uniform
distribution
species
structural
integrity
Computational
fluid
dynamics
simulations
applied
demonstrate
enhanced
momentum
transfer
light
within
body.
materials
finally
evaluated
continuous‐flow
photocatalytic
oxidation
benzyl
alcohol
benzaldehyde,
relevant
reaction
prepare
biomass‐derived
building
blocks.
innovative
reported
herein
manufacture
circumvents
complexities
traditional
synthetic
methods,
offering
scalability
efficiency
improvements,
highlights
transformative
role
catalysis
engineering
revolutionize
catalysts’
design.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 17, 2025
The
g-C3N4/CS
biosensor
was
designed,
fabricated,
and
tested
using
compounds
such
as
glucose,
urine,
lactose,
flutamide
at
a
molarity
of
10
µM,
which
could
demonstrate
high
sensitivity
200
μm-1
for
flutamide.
Powerful
effective
medium
theory
FDTD
simulation
were
used
to
predict
the
most
favorable
mode
plasmonic
properties
graphite
carbon
nitride
chitosan
nanocomposite.
research
also
explores
characteristics
surface
plasmon
resonance
exhibited
by
nanocomposite
content
is
adjusted.
Subsequent
simulations
are
conducted
on
nanocomposites
incorporating
thin
layer
modified
gold
structure.
intricate
ultimately
reveal
optimal
combination,
under
three
different
pH
conditions
(6.2,
7.2,
8).
In
acidic
conditions,
kinetic
profile
yielded
KD=
3.45
×
10−7,
surpassing
KD
value
film.
Au
significantly
outperformed
alternative
material.
demonstrated
linear
behavior
across
wide
concentration
range
from
1
150
achieving
detection
limit
120
nM
with
its
sensitivity.
The
identity
of
charge
transfer
process
at
the
heterogeneous
interface
plays
an
important
role
in
improving
stability,
activity,
and
selectivity
heterojunction
catalysts.
And,
situ
irradiation
X-ray
photoelectron
spectroscopy
(XPS)
coupled
with
UV
light
optical
fiber
measurement
setup
is
developed
to
monitor
observe
between
heterojunction.
However,
in-depth
relationship
binding
energy
wavelength
missing
based
on
fact
that
incident
formed
by
coupling
different
wavelengths.
Furthermore,
a
quantitative
understanding
numbers
remains
elusive.
Herein,
g-C3
N4
/SnO2
model
catalyst,
wavelength-dependent
Boltzmann
function
describe
changes
through
utilizing
continuously
adjustable
monochromatic
XPS
technique
established.
Using
this
method,
study
further
reveals
electrons
number
can
be
readily
calculated
forming
asymptotic
model.
This
methodology
provides
blueprint
for
deep
charge-transfer
rules
facilitates
future
development
highly
active
advanced
Abstract
Mass
transfer
is
an
essential
factor
determining
photocatalytic
performance,
which
can
be
modulated
by
fluid
field
via
manipulating
the
kinetic
characteristics
of
photocatalysts
and
intermediates.
Past
decades
have
witnessed
efforts
achievements
made
in
mass
based
on
photocatalyst
structure
composition
design,
thus,
a
critical
survey
that
scrutinizes
recent
progress
this
topic
urgently
necessitated.
This
review
examines
basic
principles
how
behavior
impacts
activity
accompanying
with
discussion
theoretical
simulation
calculation
including
flow
speed
pattern.
Meanwhile,
newly
emerged
viable
micro/nanomotors
self‐thermophoresis,
self‐diffusiophoresis,
bubble‐propulsion
mechanisms
as
well
magnet‐actuated
artificial
cilia
for
facilitating
will
covered.
Furthermore,
their
applications
hydrogen
evolution,
carbon
dioxide
reduction,
organic
pollution
degradation,
bacteria
disinfection
so
forth
are
scrutinized.
Finally,
brief
summary
future
outlook
presented,
providing
guideline
to
those
working
photocatalysis,
transfer,
other
related
fields.
Abstract
Organic
semiconductor
materials
are
considered
to
be
promising
photocatalysts
due
their
excellent
light
absorption
by
chromophores,
easy
molecular
structure
tuning,
and
solution‐processable
properties.
In
particular,
donor‐acceptor
(D‐A)
type
organic
photocatalytic
synthesized
introducing
D
A
units
intra‐
or
intermolecularly,
have
made
great
progress
in
studies.
More
more
studies
demonstrated
that
the
D‐A
combine
effective
carrier
separation,
tunable
bandgap,
sensitive
optoelectronic
response,
an
strategy
for
enhancing
absorption,
improving
exciton
dissociation,
optimizing
transport.
This
review
provides
a
thorough
overview
of
strategies
aimed
at
performance
semiconductors.
Initially,
essential
methods
modifying
materials,
such
as
interface
engineering,
crystal
interaction
modulation,
briefly
discussed.
Subsequently,
delves
into
various
based
on
intramolecular
intermolecular
interactions,
encompassing
small
molecules,
conjugated
polymers,
crystalline
supramolecules,
heterojunctions.
Meanwhile,
energy
band
structures,
dynamics,
redox‐active
sites
under
different
bonding
modes
Finally,
highlights
advanced
applications
photocatalystsand
outlines
prospective
challenges
opportunities.