Biosensors,
Journal Year:
2024,
Volume and Issue:
14(12), P. 627 - 627
Published: Dec. 19, 2024
Nanopipettes,
as
a
class
of
solid-state
nanopores,
have
evolved
into
universal
tools
in
biomedicine
for
the
detection
biomarkers
and
different
biological
analytes.
Nanopipette-based
methods
combine
high
sensitivity,
selectivity,
single-molecule
resolution,
multifunctionality.
The
features
significantly
expanded
interest
their
applications
biomolecular
detection,
imaging,
molecular
diagnostics
real
samples.
Moreover,
ease
manufacturing
nanopipettes,
coupled
with
compatibility
fluorescence
electrochemical
methods,
makes
them
ideal
portable
point-of-care
diagnostic
devices.
This
review
summarized
latest
progress
nanopipette-based
nanopore
technology
biomarkers,
DNA,
RNA,
proteins,
peptides,
particular
β-amyloid
or
α-synuclein,
emphasizing
impact
on
diagnostics.
By
addressing
key
challenges
expanding
diverse
areas,
nanopipettes
are
poised
to
play
transformative
role
future
personalized
medicine.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Nanofluidics
is
an
interdisciplinary
field
of
study
that
bridges
hydrodynamics,
statistical
physics,
chemistry,
materials
science,
biology,
and
other
fields
to
investigate
the
transport
fluids
ions
on
nanometric
scale.
The
progress
in
this
field,
however,
has
been
constrained
by
challenges
fabricating
nanofluidic
devices
suitable
for
systematic
investigations.
Recent
advances
two-dimensional
(2D)
have
revolutionized
development
nanofluids.
Their
ultrathin
structure
photothermoelectric
response
make
it
possible
achieve
scale
control,
friction
limitation,
regulatory
response,
all
which
are
challenging
with
traditional
solid
materials.
In
review,
we
provide
a
comprehensive
overview
preparation
methods
corresponding
structures
three
types
2D
material-based
devices,
including
nanopores,
nanochannels,
membranes.
We
highlight
their
applications
recent
exploring
physical
mechanisms,
detecting
biomolecules
(DNA,
protein),
developing
iontronics
improving
ion/gas
selectivity,
generating
osmotic
energy.
discuss
facing
prospects
future
advancements
field.
Cogent Engineering,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Dec. 7, 2024
Nanofluids
have
emerged
as
a
transformative
cooling
solutions
that
offer
substantial
improvements
in
various
engineering
applications
require
enhanced
heat
transfer.
This
review
comprehensively
analyses
the
latest
research
advances,
technological
progress,
and
regulatory
considerations
associated
with
nanofluids.
Beginning
an
overview
of
nanofluid
properties,
composition,
preparation
methods,
we
highlight
their
roles
enhancing
Detailed
examinations
experimental
studies
numerical
simulations
revealed
effectiveness
such
automobile
radiators,
electronic
cooling,
turbine
blade
solar
PV-thermal
systems.
Health
safety
were
addressed
by
discussing
nanoparticle
toxicity,
biocompatibility,
environmental
impacts,
along
occupational
health
hazards
recommended
measures.
We
scrutinized
landscape
identified
challenges
gaps
frameworks
across
Africa,
Asia,
North
America,
European
Union.
A
bibliographic
analysis
progress
for
transfer
provides
insights
into
trends,
publication
dynamics,
key
contributors.
concludes
future
prospects
potential
nanofluids,
emphasizing
need
innovation
oversight.
underscores
scientific
advancements
while
stressing
importance
protocols
robust
sustainable
technologies.
The Journal of Chemical Physics,
Journal Year:
2025,
Volume and Issue:
162(8)
Published: Feb. 24, 2025
Fluid
transport
across
nanometric
channels
induced
by
electric,
pressure,
and
concentration
gradients
is
ubiquitous
in
biological
systems
fosters
various
applications.
In
this
context,
computer
simulation
setups
with
well-defined
open-boundary
equilibrium
starting
states
are
essential
understanding
assisting
experimental
studies.
However,
computational
methods
scarce
do
not
typically
satisfy
all
the
conditions
imposed
reality.
Namely,
absence
of
external
gradients,
(1)
system
interest
(SoI)
must
be
at
thermodynamic
chemical
an
infinite
reservoir
particles;
(2)
fluctuations
SoI
should
sample
grand
canonical
ensemble;
(3)
local
solvation
thermodynamics,
which
extremely
sensitive
to
finite-size
effects
due
solvent
depletion,
correctly
described.
This
point
particularly
relevant
for
out-of-equilibrium
systems;
(4)
finally,
method
robust
enough
deal
phase
transitions
coexistence
SoI.
study,
we
demonstrate
prototypical
liquid
embedded
into
a
ideal
gas
particles
that
adaptive
resolution
(AdResS)
method,
coupled
particle
insertion/deletion
steps
(AdResS+PI),
satisfies
these
requirements.
Therefore,
AdResS+PI
setup
suitable
performing
stationary
non-equilibrium
simulations
open
systems.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
To
understand
the
mechanisms
driving
fluid
flow
behavior
in
nanofluidics
so
that
they
may
be
used
for
on-chip
biomedical
and
chemical
applications,
fluid's
motion
itself
needs
to
observable
measurable,
a
difficult
challenge
at
these
small
scales.
We
present
new
method
measuring
both
slow
fast
flows
using
high-speed
digital
holographic
microscopy.
measure
evaporation-driven
25
7
nm
tall
nanoslit
channels,
showing
consequent
speed
is
about
15
times
slower
than
open
atmospheric
evaporation
due
confinement
of
channel.
also
measured
surface
acoustic
wave-driven
channel,
0.12
m/s
from
wave
propagation
39.7
MHz
interacting
with
A
process
eliminate
many
sources
noise
produce
results
provided,
that─in
particular─spatial
averaging
useful
determine
dewetting
channel
over
time.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Abstract
Scalable
high‐performance
distributed
energy
management
systems
(DERMS)
on
one
micron‐scale
fiber
pose
significant
challenges.
Here,
an
ultrafine
single
filamentary
iontronic
power
source
(10
µm
thickness)
is
presented
that
utilizes
ion
transport
within
graphene
oxide
(GO)
nanoconfined
channels
and
silver
halide
interfacial
redox
reactions
to
achieve
impressive
gravimetric
(884.95
W
kg⁻¹)
densities
(108.7
Wh
kg⁻¹),
alongside
rapid
photo‐recharging
capabilities
seconds.
The
controlled
ultrasonic
spraying
technique
enables
the
seamless
integration
of
stable
GO
filaments,
preserving
integrity
other
active
layers.
Through
a
detailed
investigation
dynamics,
electrochemical
pathway
proposed,
demonstrating
polarization
resistance
filament
battery
over
certain
length,
facilitating
scalability.
These
devices
exhibit
consistent
performance
across
wide
temperature
range
under
various
environmental
conditions,
maintaining
stability
after
10
000
bending
cycles.
world's
thinnest
rechargeable
battery,
with
total
diameter
≈120
reported,
offering
promising
solution
for
next‐generation
smart
textiles,
microelectronic
circuits,
wearable
DERMS.
Nanophotonics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Abstract
This
study
introduces
fiber-assisted
nanoparticle
tracking
analysis
(FaNTA)
as
a
platform
for
nanorheology
that
utilizes
an
advanced
antiresonant
optical
fiber
to
analyze
the
viscoelastic
properties
of
fluids
at
nanoscale.
The
confines
colloidal
nanotracers
within
fiber-integrated
microchannel,
significantly
extending
observation
times
and
improving
statistical
accuracy.
FaNTA
system
consists
custom-designed
microstructured
fiber,
dedicated
setup,
sophisticated
data
processing
including
image
filtering,
enabling
precise
determination
hydrodynamic
diameter
thus
local
viscosity.
demonstrates
capabilities
concept
in
context
rheology
by
measuring
viscosity
glycerol-water
solutions
different
concentrations
using
50
nm
gold
nanospheres
nanoprobes.
By
analyzing
their
individual
diffusive
motion,
accurately
determines
fluid
viscosities
with
results
closely
match
literature
values,
validating
efficacy
nanorheological
applications.
FaNTA’s
high
accuracy
performance
nano-
microrheological
measurements
highlight
its
broad
potential
nanoscale
materials
science,
dynamic
process
studies,
life
environmental
sciences,
nanochemistry.
innovative
approach
provides
valuable
extension
current
methods
offers
characterization
wide
range
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 12, 2025
Resistance
drift
due
to
residual
ions
limits
the
accuracy
of
memristor-based
neuromorphic
computing.
Here,
we
demonstrate
nanofluidic
memristors
based
on
voltage-driven
ion
filling
within
Ångström
channels,
immersed
in
asymmetrically
concentrated
electrolyte
solutions.
Inspired
by
brain's
waste
clearance,
restore
conductance
after
20,000
cycles
removing
trapped
ions,
paving
way
for
endurance
enhancement.
The
devices
exhibit
hour-long
retention
and
ultralow
energy
consumption
(∼0.2
fJ
per
spike
channel).
By
tuning
voltage,
frequency,
pH,
emulate
short-term
synaptic
plasticity.
Finally,
demonstrated
first
4
×
memristor
array
capable
recognizing
mathematical
operators.
Our
work
that
fluidic
are
promising
energy-efficient,
long-retention,
chips.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
As
Moore's
Law
continues
to
push
critical
dimension
(CD)
scaling
in
integrated
circuits,
conventional
photolithography
approaches
fundamental
resolution
limits.
While
alternative
strategies
such
as
self-aligned
double
patterning
and
directed
self-assembly
address
these
challenges,
they
introduce
process
complexity
manufacturing
variability.
Here
we
develop
Faraday
lithography
(FL),
a
novel
approach
that
hybridizes
nanoscale
3D
printing
with
nanofabrication
overcome
limitations.
FL
achieves
remarkable
35
nm
features
atomic-scale
precision
(0.95
line
edge
roughness)
excellent
local
CD
uniformity
while
maintaining
simplicity.
The
technique
demonstrates
unique
capabilities
for
2D/3D
across
diverse
substrates,
whose
conductivity
or
transparency
has
no
influence.
Unlike
existing
methods,
accomplishes
this
without
additional
steps
complex
material
requirements.
This
combination
of
high
resolution,
capability,
versatility
positions
both
valuable
complement
current
technologies
potential
catalyst
semiconductor
nanomanufacturing
innovation.
