Polymers,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3333 - 3333
Published: Nov. 28, 2024
Chiral
gold
nanoparticles
(Au
NPs)
have
been
investigated
widely
and
shown
great
potential
in
biomedical
applications,
such
as
biosensing,
combating
bacterial
infections
tissue
regeneration.
However,
some
stabilizers
reducing
agents
for
the
synthesis
of
chiral
Au
NPs
can
produce
toxicity
living
organisms.
Therefore,
it
is
interesting
to
design
green
methods
prepare
that
are
nontoxic,
environment-friendly,
low-cost.
Herein,
novel
biocompatible
with
a
diameter
54.4
±
14.9
nm
were
prepared
by
situ
reduction
HAuCl
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 5118 - 5148
Published: Jan. 1, 2024
3D
cancer
models
recapitulate
the
tumor
microenvironment
and
serve
as
a
platform
to
study
cell
behavior,
drug
discovery
early
diagnosis,
which
can
be
monitored
chemically
with
subcellular
resolution
in
real
time,
via
SERS.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
As
nanoparticle
morphologies
produced
by
seeded
growth
expand
in
number
and
complexity,
tracking
their
evolution
during
is
increasingly
important
to
achieving
a
mechanistic
understanding.
However,
fast
reactions
such
as
chiral
growth,
which
change
within
seconds,
remain
challenging
monitor
at
the
relevant
time
scale.
We
introduce
method
based
on
addition
of
reducing
agent
NaBH4,
enabling
interruption
gold
well
access
reaction
intermediates
for
morphological
optical
investigations.
show
that
NaBH4
reduces
remaining
salt
precursors
into
achiral
nanoparticles
prevents
further
target
particles,
resulting
series
with
intervals
down
seconds.
The
demonstrated
fast,
micelle-directed,
single-crystalline
or
penta-twinned
nanorod
seeds,
showing
fine
variations
temporal
chirality
depending
crystal
habit.
These
provide
representative
snapshots
from
continuum,
offering
platform
studying
optical-structural
relationships.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(3)
Published: Nov. 9, 2023
Abstract
Chirality
introduces
a
new
dimension
of
functionality
to
materials,
unlocking
possibilities
across
various
fields.
When
integrated
with
plasmonic
hybrid
nanostructures,
this
attribute
synergizes
and
other
functionalities,
resulting
in
unprecedented
chiroptical
materials
that
push
the
boundaries
system's
capabilities.
Recent
advancements
have
illuminated
remarkable
chiral
light–matter
interactions
within
nanomaterials,
allowing
for
harnessing
their
tunable
optical
activity
components.
These
led
applications
areas
such
as
sensing,
catalysis,
spin
optics.
Despite
these
promising
developments,
there
remains
need
comprehensive
synthesis
current
state‐of‐the‐art
knowledge,
well
thorough
understanding
construction
techniques
practical
field.
This
review
begins
an
exploration
origins
chirality
overview
latest
nanostructures.
Furthermore,
representative
emerging
categories
nanomaterials
are
classified
summarized,
elucidating
versatile
applications.
Finally,
engages
fundamental
challenges
associated
nanostructures
offer
insights
into
future
prospects
advanced
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(29), P. 19391 - 19400
Published: June 21, 2024
Robotic
nanomanipulation
emerges
as
a
cutting-edge
technique
pivotal
for
in
situ
nanofabrication,
advanced
sensing,
and
comprehensive
material
characterization.
In
this
study,
we
develop
an
optical
robotic
platform
(ORP)
the
dynamic
manipulation
of
colloidal
nanoparticles
(NPs).
The
ORP
incorporates
human-in-the-loop
control
mechanism
enhanced
by
real-time
visual
feedback.
This
feature
enables
generation
custom
landscapes
with
adjustable
intensity
phase
configurations.
Based
on
ORP,
achieve
parallel
reconfigurable
multiple
NPs.
Through
application
spatiotemporal
gradient-reversals,
our
demonstrates
capabilities
trapping,
binding,
rotating,
transporting
NPs
across
trajectories.
presents
previously
unidentified
paradigm
realm
nanomanipulation.
Additionally,
facilities
"capture-and-print"
assembly
process,
utilizing
strategic
interplay
gradients.
process
operates
under
constant
laser
power
setting,
streamlining
into
any
targeted
configuration.
With
its
precise
positioning
capabilities,
underpinned
modulation
gradients,
will
facilitate
development
colloid-based
sensors
on-demand
fabrication
nanodevices.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Oct. 25, 2024
Helicoid
plasmonic
nanoparticles
with
intrinsic
chirality
are
an
emerging
class
of
artificial
chiral
materials
tailorable
properties.
The
ability
to
extend
their
chiroplasmonic
responses
the
near-infrared
(NIR)
range
is
critically
important
for
biomedical
and
nanophotonic
applications,
yet
rational
design
such
remains
challenging.
Herein,
a
strategy
employing
plasmon-dielectric
coupling
proposed
manipulate
chiroptical
into
NIR
region
high
optical
anisotropy.
Through
this
strategy,
helicoid
Au@Cu
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(2), P. 1503 - 1508
Published: Jan. 16, 2024
As
a
typical
chiroplasmonic
nanomaterial,
chiral
gold
(Au)
nanorods
(NRs)
synthesized
using
micelles
have
been
facing
the
issue
of
chiroptical
instability.
Herein,
strategy
that
can
effectively
enhance
stability
Au
NRs
is
demonstrated
in
which
sodium
sulfide
(Na2S)
introduced
to
system.
Taking
advantage
stable
NRs,
sensitive
detection
alkaline
phosphatase
also
demonstrated.
This
work
not
only
provides
an
effective
way
for
solving
obstacle
thermodynamic
instability
nanostructures
but
facilitates
practical
application
and
broadens
their
potential
sensing.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(4), P. 829 - 829
Published: Feb. 11, 2025
In
recent
years,
the
field
of
chiral
gold
nanomaterials
has
witnessed
significant
advancements
driven
by
their
unique
properties
and
diverse
applications
in
various
scientific
domains.
This
review
provides
an
in-depth
examination
synthesis
methodologies
evolving
nanomaterials,
which
have
emerged
as
vital
tools
areas
such
antibacterial
therapies,
biosensing,
catalysis,
nanomedicine.
We
start
discussing
techniques,
focused
on
seed-mediated
growth
circularly
polarized
light-assisted
methods,
each
contributing
to
controlled
nanostructures
with
tailored
optical
activities.
further
delves
into
these
showcasing
potential
combating
antibiotic-resistant
bacteria,
improving
cancer
immunotherapy,
promoting
tissue
regeneration,
enabling
precise
biosensing
through
enhanced
sensitivity
selectivity.
highlight
fundamental
principles
chirality
its
critical
role
biological
systems,
emphasizing
importance
enhancing
signals
facilitating
molecular
interactions.
By
consolidating
findings
methodologies,
this
endeavors
illuminate
promising
future
addressing
contemporary
challenges.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
In
three-dimensional
(3D)-printed
tissue
models,
sensitive,
noninvasive
techniques
are
required
to
detect
in
situ
changes
hydrogel
structure
caused
by
cellular
remodeling.
We
demonstrate
herein
that
circular
dichroism
(CD)
spectroscopy
provides
a
reliable
method
for
detecting
structural
variations.
probe
directly
the
plasmonic
optical
activity
of
chiral
gold
nanorods
(c-AuNRs)
embedded
within
matrix,
response
variations
local
environment.
Unlike
extinction
spectroscopy,
we
found
CD
features
such
as
zero-point
crossings
do
not
get
masked
strong
scattering
due
porous
and
therefore
sensitive
refractive
index
medium,
reversible
swelling
deswelling
hydrogel,
other
interactions
between
c-AuNR
surface.
By
culturing
metastatic
breast
cancer
cells
3D
nanocomposite,
can
noninvasively
restructuring
hydrogel.
This
study
highlights
potential
combination
with
c-AuNRs
investigate
complex
biological
or
polymeric
systems.
The Journal of Physical Chemistry C,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
The
unique
optoelectronic
features
associated
with
plasmonic
nanomaterials
in
a
broad
energy
range
of
the
electromagnetic
spectrum
have
potential
to
overcome
current
limitations
development
heterogeneous
photocatalytic
systems
enantioselective
capabilities.
Recent
advancements
creating
structures
strong
chiroptical
already
enabled
asymmetric
recognition
molecular
substrates
or
even
polarization-sensitive
chemical
reactivity
under
visible
and
near-infrared
irradiation.
Nevertheless,
important
developments
need
be
achieved
attain
real
solely
driven
by
plasmons.
This
Perspective
discusses
trends
formation
chiral
materials
their
application
as
photocatalysts
achieve
stereocontrol
photochemical
reactions.
We
summarize
challenges
this
field
offer
insight
into
future
opportunities
that
could
enhance
effectiveness
these
innovative
systems.
Nanoscale Advances,
Journal Year:
2023,
Volume and Issue:
6(2), P. 318 - 336
Published: Dec. 6, 2023
Chiral
hybrid
nanomaterials
with
multiple
components
provide
a
highly
promising
approach
for
the
integration
of
desired
chirality
other
functionalities
into
one
single
nanoscale
entity.
However,
precise
control
over
multicomponent
chiral
plasmonic
to
enable
their
application
in
diverse
and
complex
scenarios
remains
significant
challenge.
In
this
review,
our
focus
lies
on
recent
advances
preparation
nanomaterials,
an
emphasis
synthetic
strategies
emerging
applications.
We
first
systematically
elucidate
methods
encompassing
following
approaches:
physical
deposition
approach,
galvanic
replacement
reaction,
molecule-mediated,
heterostructure,
circularly
polarized
light-mediated,
magnetically
induced,
assembly.
Furthermore,
we
highlight
applications
sensing,
enantioselective
catalysis,
biomedicine.
Finally,
outlook
challenges
opportunities
field
nanomaterials.
In-depth
investigations
these
will
pave
way
rational
design
nanostructures
desirable
technological
