Biomacromolecules,
Journal Year:
2023,
Volume and Issue:
24(6), P. 2618 - 2632
Published: May 4, 2023
Peptoids
(N-substituted
glycines)
are
a
group
of
highly
controllable
peptidomimetic
polymers.
Amphiphilic
diblock
peptoids
have
been
engineered
to
assemble
crystalline
nanospheres,
nanofibrils,
nanosheets,
and
nanotubes
with
biochemical,
biomedical,
bioengineering
applications.
The
mechanical
properties
peptoid
nanoaggregates
their
relationship
the
emergent
self-assembled
morphologies
relatively
unexplored
critical
for
rational
design
nanomaterials.
In
this
work,
we
consider
family
amphiphilic
consisting
prototypical
tube-former
(Nbrpm6Nc6,
NH2-capped
hydrophobic
block
six
N-((4-bromophenyl)methyl)glycine
residues
conjugated
polar
NH3(CH2)5CO
tail),
sheet-former
(Nbrpe6Nc6,
where
comprises
N-((4-bromophenyl)ethyl)glycine
residues),
an
intermediate
sequence
that
forms
mixed
structures
((NbrpeNbrpm)3Nc6).
We
combine
all-atom
molecular
dynamics
simulations
atomic
force
microscopy
determine
2D
nanosheets
relate
these
observed
morphologies.
find
good
agreement
between
our
computational
predictions
experimental
measurements
Young's
modulus
nanosheets.
A
analysis
bending
along
two
axes
planar
reveals
be
more
favorable
axis
in
which
stack
by
interdigitation
side
chains
compared
they
form
columnar
crystals
π-stacked
chains.
construct
models
Nbrpm6Nc6
tube-forming
predict
stability
optimum
measurements.
theoretical
model
nanotube
suggests
is
free
energy
minimum
corresponding
"Goldilocks"
tube
radius
at
capillary
wave
fluctuations
wall
minimized.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(5), P. 1549 - 1590
Published: Jan. 1, 2023
Biomimetic
science
has
attracted
great
interest
in
the
fields
of
chemistry,
biology,
materials
science,
and
energy.
mineralization
is
process
synthesizing
inorganic
minerals
under
control
organic
molecules
or
biomolecules
mild
conditions.
Peptides
are
motifs
that
constitute
proteins,
can
self-assemble
into
various
hierarchical
structures
show
a
high
affinity
for
substances.
Therefore,
peptides
be
used
as
building
blocks
synthesis
functional
biomimetic
materials.
With
participation
peptides,
morphology,
size,
composition
mineralized
controlled
precisely.
not
only
provide
well-defined
templates
nucleation
growth
nanomaterials
but
also
have
potential
to
confer
with
catalytic
efficiency,
selectivity,
biotherapeutic
functions.
In
this
review,
we
systematically
summarize
research
progress
formation
mechanism,
nanostructural
manipulation,
applications
peptide-templated
These
further
inspire
researchers
design
structurally
complex
functionalized
promising
applications.
Dalton Transactions,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
article
explores
matere
bonds,
supported
by
theoretical
and
computational
studies.
These
σ-hole
interactions
with
group
7
elements
(Mn,
Tc,
Re)
are
key
in
crystal
engineering,
catalysis,
biological
systems.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(8), P. 3714 - 3773
Published: Jan. 1, 2024
Self-assembled
monolayers
(SAMs)
based
on
peptides
represent
a
reproducible
platform
for
screening
and
studying
peptide
functions
facilitating
their
translation
into
multidisciplinary
applications.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: April 16, 2024
Abstract
A
long-standing
challenge
in
bioinspired
materials
is
to
design
and
synthesize
synthetic
that
mimic
the
sophisticated
structures
functions
of
natural
biomaterials,
such
as
helical
protein
assemblies
are
important
biological
systems.
Herein,
we
report
formation
a
series
nanohelices
from
type
well-developed
protein-mimetics
called
peptoids.
We
demonstrate
nanohelix
supramolecular
chirality
can
be
well-controlled
through
side-chain
chemistry.
Specifically,
ionic
effects
on
peptoids
varying
polar
groups
result
either
single
fiber
or
hierarchically
stacked
bundles.
also
assembled
peptoid
helices
controlled
by
modifying
assembling
with
chiral
amino
acid
side
chain.
Computational
simulations
theoretical
modeling
predict
minimizing
exposure
hydrophobic
domains
within
twisted
form
presents
most
thermodynamically
favorable
packing
these
amphiphilic
suggests
key
role
for
both
formation.
Our
findings
establish
platform
functional
using
sequence-defined
polymers.
Biomimetics,
Journal Year:
2025,
Volume and Issue:
10(2), P. 107 - 107
Published: Feb. 12, 2025
Biomolecular
adsorption
has
great
significance
in
medical,
environmental,
and
technological
processes.
Understanding
equilibrium
binding
kinetics
is
essential
for
advanced
process
implementation.
This
requires
identifying
intrinsic
determinants
that
predict
optimal
properties
at
bio-hybrid
interfaces.
Solid-binding
peptides
(SBPs)
have
targetable
involving
peptide-peptide
peptide-solid
interactions,
which
result
high-affinity
material-selective
binding.
Atomic
force
microscopy
investigations
confirmed
this
complex
interplay
of
multi-step
peptide
assemblies
a
cooperative
modus.
Yet,
most
studies
report
SBPs
using
non-cooperative
or
single-step
models.
Using
kinetic
models
predicting
self-assembly
behavior
creates
an
oversimplified
view
adsorption,
restricting
implementing
beyond
their
current
use.
To
address
these
limitations
provide
insight
into
surface-level
events
during
self-assembly,
novel
method,
the
Frequency
Response
Cooperativity
model,
was
developed.
model
iteratively
fits
data
through
spectral
analysis
several
time-dependent
parameters.
The
applied
to
widely
used
gold-binding
obtained
quartz
crystal
microbalance
with
dissipation,
verified
assembly.
Peak
deconvolution
plots
revealed
distinct
differences
size
distribution
rates
present
across
concentrations.
approach
provides
new
fundamental
insights
intricate
dynamics
biomolecules
on
surfaces.
JACS Au,
Journal Year:
2023,
Volume and Issue:
3(3), P. 889 - 904
Published: Feb. 20, 2023
In
this
paper,
we
present
an
open-source
machine
learning
(ML)-accelerated
computational
method
to
analyze
small-angle
scattering
profiles
[I(q)
vs
q]
from
concentrated
macromolecular
solutions
simultaneously
obtain
the
form
factor
P(q)
(e.g.,
dimensions
of
a
micelle)
and
structure
S(q)
spatial
arrangement
micelles)
without
relying
on
analytical
models.
This
builds
our
recent
work
Computational
Reverse-Engineering
Analysis
for
Scattering
Experiments
(CREASE)
that
has
either
been
applied
dilute
(where
∼1)
or
particle
when
is
known
sphere
factor).
paper's
newly
developed
CREASE
calculates
S(q),
termed
as
"P(q)
CREASE",
validated
by
taking
input
I(q)
q
in
silico
structures
polydisperse
core(A)-shell(B)
micelles
at
varying
concentrations
micelle-micelle
aggregation.
We
demonstrate
how
CREASE"
performs
if
given
two
three
relevant
profiles-Itotal(q),
IA(q),
IB(q)-as
inputs;
demonstration
meant
guide
experimentalists
who
may
choose
do
X-ray
(for
total
and/or
neutron
with
appropriate
contrast
matching
get
solely
one
other
component
(A
B).
After
validation
structures,
results
analyzing
solution
core-shell
type
surfactant-coated
nanoparticles
extents
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(24)
Published: April 24, 2024
Hierarchical
self-assembly
represents
a
powerful
strategy
for
the
fabrication
of
functional
materials
across
various
length
scales.
However,
achieving
precise
formation
hierarchical
assemblies
remains
significant
challenge
and
requires
profound
understanding
molecular
assembly
interactions.
In
this
study,
we
present
molecular-level
sequence-defined
peptoids
into
multidimensional
materials,
including
twisted
nanotube
bundles
serving
as
highly
efficient
artificial
light
harvesting
system.
By
employing
synchrotron-based
powder
X-ray
diffraction
analyzing
single
crystal
structures
model
compounds,
elucidated
packing
mechanisms
underlying
nanostructures.
Our
findings
demonstrate
that
incorporating
aromatic
groups,
such
tetraphenyl
ethylene
(TPE),
at
termini
assembling
peptoid
sequences
promotes
nanotubes
nanosheets,
thus
enabling
creation
This
research
exemplifies
potential
leveraging
synthetic
polymers
to
translate
microscopic
macroscopic
assemblies.
It
holds
promise
development
with
precisely
controlled
designed
functions.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(21)
Published: May 26, 2023
Inspired
by
structural
colors
in
avian
species,
various
synthetic
strategies
have
been
developed
to
produce
noniridescent,
saturated
using
nanoparticle
assemblies.
Nanoparticle
mixtures
varying
particle
chemistry
and
size
additional
emergent
properties
that
affect
the
color
produced.
For
complex
multicomponent
systems,
understanding
assembled
structure
a
robust
optical
modeling
tool
can
empower
scientists
identify
structure-color
relationships
fabricate
designer
materials
with
tailored
color.
Here,
we
demonstrate
how
reconstruct
from
small-angle
scattering
measurements
computational
reverse-engineering
analysis
for
experiments
method
use
reconstructed
finite-difference
time-domain
calculations
predict
We
successfully,
quantitatively
experimentally
observed
containing
strongly
absorbing
nanoparticles
influence
of
single
layer
segregated
on
The
versatile
approach
present
is
useful
engineering
desired
without
laborious
trial-and-error
experiments.