Localized assembly in biological activity: Origin of life and future of nanoarchitectonics
Advances in Colloid and Interface Science,
Год журнала:
2025,
Номер
339, С. 103420 - 103420
Опубликована: Фев. 3, 2025
Язык: Английский
Wavebreakers in excitable systems and possible applications for corrosion mitigation
Chaos An Interdisciplinary Journal of Nonlinear Science,
Год журнала:
2025,
Номер
35(1)
Опубликована: Янв. 1, 2025
Traveling
waves
of
excitation
arise
from
the
spatial
coupling
local
nonlinear
events
by
transport
processes.
In
corrosion
systems,
these
electro-dissolution
relay
perturbations
across
large
portions
metal
surface,
significantly
amplifying
overall
damage.
For
example
magnesium
alloy
AZ31B
exposed
to
sodium
chloride
solution,
we
report
experimental
results
suggesting
existence
a
vulnerable
zone
in
wake
where
can
induce
unidirectional
wave
pulse
or
segment.
The
evolution
segments,
combined
with
absence
rotating
spiral
waves,
imply
subexcitable
dynamics
for
which
segments'
open
ends
tangentially
retract.
Using
simple
excitable
reaction-diffusion
model,
identify
parameters
that
replicate
observations.
Under
conditions,
small
protected
disks
act
as
wavebreakers,
disrupting
continuous
fronts,
then
shrink
and
disappear.
We
further
explore
different
placement
schemes
wavebreakers
optimize
potential
mitigation.
constant
surface
coverage,
many
prove
more
effective
than
few
ones.
A
comparison
triangular,
square,
rectangular,
hexagonal,
aperiodic
Penrose,
random
lattice
geometries
indicates
triangular
placements
are
generally
optimal
choice,
while
rectangular
lattices
perform
poorly.
Although
were
not
demonstrated
experimentally
this
study,
findings
provide
concrete
design
guidance
protection
surfaces
prone
wave-mediated
corrosion.
Язык: Английский
Complex dynamics in reaction-phase separation systems
Physical review. E,
Год журнала:
2025,
Номер
111(2)
Опубликована: Фев. 7, 2025
We
investigate
the
emergence
of
sustained
spatiotemporal
behaviors
in
reaction-phase
separation
systems.
focus
on
binary
systems,
which
either
one
or
both
species
can
phase
separate,
and
we
discuss
stability
homogeneous
state
determining
conditions
for
a
Hopf-type
bifurcation.
then
examine
effects
specific
autocatalytic
chemical
reaction,
computationally
determine
full
solutions
to
partial
differential
equations.
find
that
when
pulsed
dynamics
arise
dimension.
When
considered
two
dimensions,
system
generates
persistent,
complex
dynamic
droplets,
do
not
generally
appear
if
only
separate.
finally
with
features,
be
understood
using
framework
cellular
automata.
Язык: Английский
Dynamic Flow-Assisted Nanoarchitectonics
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
The
solution
to
societal
problems
such
as
energy,
environmental,
and
biomedical
issues
lies
in
the
development
of
functional
material
systems
with
capacity
address
these
problems.
In
course
human
development,
we
are
entering
a
new
era
which
nanostructure
control
is
considered
major
materials.
concept
nanoarchitectonics
particularly
significant
this
regard,
it
comprehensively
promotes
further
nanotechnology
its
fusion
materials
chemistry.
integration
nanoscale
phenomena
macroscopic
actions
imperative
for
practical
production
structural
precision.
This
review
focuses
on
dynamic
flow-assisted
nanoarchitectonics,
wherein
explore
organization
structures
by
external
mechanical
stimuli,
predominantly
fluid
flow.
then
proceeds
select
some
examples
divide
them
into
categories
purpose
discussion:
(i)
natural
flow,
(ii)
flow
or
stress
created
artificial
equipment
devices
(forced
flow),
(iii)
at
specific
field,
namely
interfaces,
that
is,
layer-by-layer
(LbL)
assembly
LB
method.
final
perspective
section
discusses
future
research
directions
requirements
nanoarchitectonics.
meaningful
effective
use
science
set
be
area
focus
future,
poised
play
role
achieving
objective.
Язык: Английский