Communications Physics,
Journal Year:
2023,
Volume and Issue:
6(1)
Published: Aug. 8, 2023
Abstract
ATP-Binding
Cassette
(ABC)
transporters
are
a
broad
family
of
biological
machines,
found
in
most
prokaryotic
and
eukaryotic
cells,
performing
the
crucial
import
or
export
substrates
through
both
plasma
organellar
membranes,
maintaining
steady
concentration
gradient
driven
by
ATP
hydrolysis.
Building
upon
present
biophysical
biochemical
characterization
ABC
transporters,
we
propose
here
model
whose
solution
reveals
that
these
machines
an
exact
molecular
realization
autonomous
Maxwell
Demon,
century-old
abstract
device
uses
energy
source
to
drive
systems
away
from
thermodynamic
equilibrium.
In
particular,
Demon
does
not
perform
any
direct
mechanical
work
on
system,
but
simply
selects
which
spontaneous
processes
allow
ones
forbid
based
information
it
collects
processes.
its
version,
measurement
is
embedded
system
itself.
introduced
here,
different
operations
characterize
Demons
(measurement,
feedback,
resetting)
features
emerge
structural
properties
revealing
role
allostery
process
information.
Our
framework
allows
us
develop
explicit
bridge
between
molecular-level
description
higher-level
language
theory
for
transporters.
Chemical Science,
Journal Year:
2021,
Volume and Issue:
12(45), P. 14964 - 14986
Published: Jan. 1, 2021
Various
families
of
light-driven
rotary
molecular
motors
and
the
key
aspects
motor
design
are
discussed.
Comparisons
made
between
strengths
weaknesses
each
motor.
Challenges,
applications,
future
prospects
explored.
Science,
Journal Year:
2021,
Volume and Issue:
374(6572), P. 1215 - 1221
Published: Oct. 22, 2021
Over
the
past
century,
adsorption
has
been
investigated
extensively
in
equilibrium
systems,
with
a
focus
on
van
der
Waals
interactions
associated
physisorption
and
electronic
case
of
chemisorption.
In
this
study,
we
demonstrate
mechanisorption,
which
results
from
nonequilibrium
pumping
to
form
mechanical
bonds
between
adsorbent
adsorbate.
This
active
mode
realized
surfaces
metal-organic
frameworks
grafted
arrays
molecular
pumps.
Adsorbates
are
transported
one
well-defined
compartment,
bulk,
another
interface,
thereby
creating
large
potential
gradients
chemical
capacitors
wherein
energy
is
stored
metastable
states.
Mechanisorption
extends,
fundamental
manner,
scope
phenomena
offers
transformative
approach
control
chemistry
at
interfaces.
eScience,
Journal Year:
2021,
Volume and Issue:
1(1), P. 28 - 43
Published: Oct. 6, 2021
Pillararene/calixarene-based
functional
materials
have
garnered
significant
attention
for
their
unique
topological/chemical
structures
and
physicochemical
properties,
extended
applications
in
electrochemistry
given
rise
to
a
promising
area
of
research.
This
review
details
current
advance
developing
electrochemical
energy
based
on
pillararene/calixarene
systems
from
the
viewpoint
both
fundamental
theoretical
simulations
research
practical
applications.
First,
we
discuss
underlying
mechanisms
applying
pillararene/calixarene-based
Second,
summarize
simulation
studies
pillarquinone
calixquinone
with
intrinsic
batteries.
In
addition,
state-of-the-art
storage
devices
such
as
lithium/sodium-ion
batteries
supercapacitors
are
highlighted.
The
diverse
roles
they
play
various
design
strategies
that
been
investigated
high-performance
analyzed.
Finally,
prospects
further
developments
this
emerging
field.
not
only
describes
recent
advances
but
also
lays
firm
groundwork
application
engineering.
Nature,
Journal Year:
2023,
Volume and Issue:
613(7943), P. 280 - 286
Published: Jan. 11, 2023
Macroscopic
electric
motors
continue
to
have
a
large
impact
on
almost
every
aspect
of
modern
society.
Consequently,
the
effort
towards
developing
molecular
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(26), P. 14169 - 14183
Published: June 21, 2023
All
chemists
are
familiar
with
the
idea
that,
at
equilibrium
steady
state,
relative
concentrations
of
species
present
in
a
system
predicted
by
corresponding
constants,
which
related
to
free
energy
differences
between
components.
There
is
also
no
net
flux
species,
matter
how
complicated
reaction
network.
Achieving
and
harnessing
non-equilibrium
states,
coupling
network
second
spontaneous
chemical
process,
has
been
subject
work
several
disciplines,
including
operation
molecular
motors,
assembly
supramolecular
materials,
strategies
enantioselective
catalysis.
We
juxtapose
these
linked
fields
highlight
their
common
features
challenges
as
well
some
misconceptions
that
may
be
serving
stymie
progress.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(13), P. 8530 - 8574
Published: June 21, 2023
Anionic
species
are
omnipresent
and
involved
in
many
important
biological
processes.
A
large
number
of
artificial
anion
receptors
has
therefore
been
developed.
Some
these
capable
mediating
transmembrane
transport.
However,
where
transport
proteins
can
respond
to
stimuli
their
surroundings,
creation
synthetic
with
stimuli-responsive
functions
poses
a
major
challenge.
Herein,
we
give
full
overview
the
stimulus-controlled
that
have
developed
thus
far,
including
application
membrane
In
addition
potential
operation
as
carriers,
use
recognition
motifs
forming
responsive
membrane-spanning
channels
is
discussed.
With
this
review
article,
intend
increase
interest
among
scientists
working
on
host–guest
complexes
dynamic
functional
systems
order
stimulate
further
developments.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(9)
Published: Jan. 18, 2024
Abstract
Scientists
have
long
been
fascinated
by
the
biomolecular
machines
in
living
systems
that
process
energy
and
information
to
sustain
life.
The
first
synthetic
molecular
rotor
capable
of
performing
repeated
360°
rotations
due
a
combination
photo‐
thermally
activated
processes
was
reported
1999.
progress
designing
different
intervening
years
has
remarkable,
with
several
outstanding
examples
appearing
last
few
years.
Despite
accomplishments,
there
remains
confusion
regarding
fundamental
design
principles
which
motions
molecules
can
be
controlled,
significant
intellectual
tension
between
mechanical
chemical
ways
thinking
about
describing
machines.
A
thermodynamically
consistent
analysis
kinetics
rotors
pumps
shows
while
light
driven
operate
power‐stroke
mechanism,
kinetic
asymmetry—the
relative
heights
barriers—is
sole
determinant
directionality
catalysis
Power‐strokes—the
depths
wells—play
no
role
whatsoever
determining
sign
directionality.
These
results,
elaborated
using
trajectory
thermodynamics
nonequilibrium
pump
equality,
show
asymmetry
governs
response
many
non‐equilibrium
phenomena.
Journal of the American Chemical Society,
Journal Year:
2021,
Volume and Issue:
143(38), P. 15653 - 15660
Published: Sept. 14, 2021
A
hydrophobic
light-driven
rotary
motor
is
functionalized
with
two
18-crown-6
macrocycles
and
incorporated
into
phospholipid
bilayers.
In
the
presence
of
this
molecular
construct,
fluorescence
assays
patch
clamp
experiments
show
formation
selective
alkali
ion
channels
through
membrane.
Further,
they
reveal
a
strongly
accelerated
transport
mechanism
under
light
irradiation.
This
increase
fractional
activity
(up
to
400%)
attributed
out-of-equilibrium
actuation
dynamics
motors,
which
help
overcome
activation
energy
necessary
achieve
translocation
ions
between
along
artificial
channels.