Biosensors,
Journal Year:
2024,
Volume and Issue:
14(9), P. 433 - 433
Published: Sept. 6, 2024
Plasmonic
intragap
nanostructures
(PINs)
have
garnered
intensive
attention
in
Raman-related
analysis
due
to
their
exceptional
ability
enhance
light-matter
interactions.
Although
diverse
synthetic
strategies
been
employed
create
these
nanostructures,
the
emphasis
has
largely
on
PINs
with
simple
configurations,
which
often
fall
short
achieving
effective
near-field
focusing.
Three-dimensional
(3D)
complex
PINs,
distinguished
by
intricate
networks
of
internal
gaps
and
voids,
are
emerging
as
superior
structures
for
light
trapping.
These
facilitate
generation
hot
spots
zones
that
essential
enhanced
Nevertheless,
synthesis
techniques
specific
impacts
focusing
not
well-documented.
This
review
discusses
recent
advancements
3D
applications
surface-enhanced
Raman
scattering
(SERS).
We
begin
describing
foundational
methods
fabricating
followed
a
discussion
rational
design
aimed
at
developing
capabilities.
also
evaluate
SERS
performance
various
emphasizing
advanced
sensing
Lastly,
we
explore
future
perspective
applications.
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.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 11, 2025
Helicoid
metal
nanoparticles
with
intrinsic
chirality
have
unveiled
tailorable
properties
and
unlocked
many
chirality-related
applications
across
various
fields.
Nevertheless,
the
existing
strategies
for
enantioselective
synthesis
of
helicoid
been
predominantly
limited
to
gold.
Here,
we
demonstrate
a
robust
versatile
strategy
beyond
gold,
leveraging
chiral
nanoconfinement
provided
by
SiO2
or
nanoshells.
The
enables
decoupling
ligand-directed
crystal
growth
from
induction,
allowing
independent
tuning
these
two
critical
aspects.
As
result,
this
approach
can
not
only
facilitate
replication
shapes
nanoshells
but
also
allow
generation
alternative
shapes.
By
employing
approach,
Pt,
Au@Pt,
Au@Pd,
Au@Ag,
Au@Cu
nanoparticles.
chiroplasmonic
Pt-
Pd-based
discovered,
inversion
Ag-based
via
facet
control
has
documented
theoretically
explained.
enriches
toolbox
creating
supports
their
exploration
in
diverse
applications.
Strategies
were
mainly
authors
present
helicoidal
gold
using
silica
shells.
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.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Sensitive
recognition
of
enantiomer
has
aroused
extensive
interest
due
to
its
importance
in
diverse
fields
ranging
from
pharmaceuticals
catalysis
and
biomedicine.
Chiral
surface-enhanced
Raman
scattering
(SERS)
by
chiral
plasmonic
substrates
emerged
as
a
promising
tool
for
the
enantiomers
with
high
sensitivity
well
molecular
fingerprinting
capability.
However,
impact
states
including
surface
packing
density
configurations
surface-adsorbed
molecules
on
SERS
been
largely
unexplored.
Herein,
we
demonstrate
that
nanoparticles
(NPs)
is
sensitively
dependent
coverage
enantiomers.
Au
helical
nanocubes
tunable
optical
properties
intense
near-field
enhancements
were
chosen
SERS.
By
changing
concentration
structure
enantiomers,
revealed.
Finally,
use
achiral
internal
spacers
achieving
ultrasensitive
detection
enantiomer.
The
insights
gained
this
work
not
only
shed
light
underlying
mechanisms
dictating
NPs
but
also
strongly
suggest
approach
sensitive
chirality
using
spectroscopy.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Recent
advancements
in
chiral
metabolomics
have
facilitated
the
discovery
of
disease
biomarkers
through
enantioselective
measurement
metabolites,
offering
new
opportunities
for
diagnosis,
prognosis,
and
personalized
medicine.
Although
photonic
nanomaterials
emerged
as
promising
platforms
biosensing,
enhancing
sensitivity
enabling
detection
biomolecules
at
extremely
low
concentrations,
a
deeper
understanding
relationship
between
structural
optical
chirality
is
crucial
optimizing
these
platforms.
This
perspective
examines
recent
methods
quantifying
chirality,
including
Hausdorff
Chirality
Measure
(HCM),
Continuous
(CCM),
Osipov‐Pickup‐Dunmur
(OPD),
Graph‐Theoretical
(GTC)
measure.
These
approaches
advanced
both
materials
biomolecules,
well
its
correlation
with
responses.
work
emphasizes
role
quantification
improving
biosensor
performance
explores
potential
near‐field
chiroptical
studies
to
enhance
sensor
capabilities.
Finally,
this
addresses
key
challenges
outline
future
research
directions
advancing
biosensors,
focus
on
nano‐bio
interface
interactions
drive
development
next‐generation
sensing
technologies.
