Single-beam optical trap-based surface-enhanced raman scattering optofluidic molecular fingerprint spectroscopy detection system
Opto-Electronic Advances,
Год журнала:
2025,
Номер
0(0), С. 240182 - 240182
Опубликована: Янв. 1, 2025
Язык: Английский
Unraveling Plasmonic Field Contributions in Catalysis with Au@Al2O3‐Pd‐Au@Al2O3 Trimer Arrays
Advanced Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 17, 2025
Abstract
Plasmonic
catalysis
employs
nanomaterials
to
mediate
the
conversion
of
photon
energy
into
localized
electromagnetic
fields,
hot
carriers,
and
thermal
energy,
facilitating
molecular
transformations
under
mild
conditions.
Understanding
mechanisms
governing
plasmonic
effects
is
crucial
for
optimizing
yield
selectivity
in
catalysis.
However,
challenges
persist
elucidating
role
field
due
complex
interactions
among
various
contributing
mechanisms.
This
study
introduces
Au@Al
2
O
3
‐Pd‐Au@Al
trimer
arrays
decouple
from
other
influences.
The
alumina
coating
on
Au
particles
prevents
charge
transfer
between
gold
reactants,
enabling
focused
examination
Pd
catalysts.
Employing
real‐time
monitoring
with
liquid‐state
surface‐enhanced
Raman
scattering
(SERS),
this
work
investigates
catalytic
efficiency
kinetics
C─C
coupling
reactions
palladium
by
tuning
near‐field
strengths.
Polarization‐dependent
studies
reveal
that
strong
intensity
around
structures
amplified
≈60‐fold
optimized
findings
offer
insights
reaction
conditions
designing
more
effective
composite
Язык: Английский
Exploring Plasmonic Standalone Surface-Enhanced Raman Scattering Nanoprobes for Multifaceted Applications in Biomedical, Food, and Environmental Fields
Nanomaterials,
Год журнала:
2024,
Номер
14(22), С. 1839 - 1839
Опубликована: Ноя. 17, 2024
Surface-enhanced
Raman
scattering
(SERS)
is
an
innovative
spectroscopic
technique
that
amplifies
the
signals
of
molecules
adsorbed
on
rough
metal
surfaces,
making
it
pivotal
for
single-molecule
detection
in
complex
biological
and
environmental
matrices.
This
review
aims
to
elucidate
design
strategies
recent
advancements
application
standalone
SERS
nanoprobes,
with
a
special
focus
quantifiable
tags.
We
conducted
comprehensive
analysis
literature,
focusing
development
nanoprobes
employ
novel
nanostructuring
techniques
enhance
signal
reliability
quantification.
Standalone
exhibit
significant
enhancements
sensitivity
specificity
due
optimized
hot
spot
generation
improved
reporter
molecule
interactions.
Recent
innovations
include
nanogap
core-satellite
structures
electromagnetic
fields,
which
are
crucial
applications.
particularly
those
utilizing
indirect
mechanisms,
represent
advancement
field.
They
hold
potential
wide-ranging
applications,
from
disease
diagnostics
monitoring,
owing
their
enhanced
ability
operate
under
sample
conditions.
Язык: Английский
Metallic bowtie antenna for an ultrahigh plasmonic-based improvement of Raman scattering process
Micro and Nanostructures,
Год журнала:
2025,
Номер
200, С. 208082 - 208082
Опубликована: Фев. 1, 2025
Язык: Английский
All-Flexible Chronoepifluidic Nanoplasmonic Patch Allows Label-free Sweat Profiling
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
Wearable
sweat
sensors
allow
non-invasive
metabolic
profiling
for
timely
intervention
in
proactive
healthcare.
However,
molecular
recognition
elements
conventional
still
hinder
a
comprehensive
understanding
of
an
individual's
unique
physiological
profile.
Here
we
report
all-flexible
chronoepifluidic
surface-enhanced
Raman
spectroscopy
(SERS)
patch
(CEP-SERS
patch)
label-free
profiling.
The
CEP-SERS
features
the
integration
nanoplasmonics
and
functional
microfluidics
precise
chronological
metabolites.
An
ultrathin
fluorocarbon
film
facilitates
large-area
nanofabrication
plasmonic
structures
on
microfluidic
channel
via
low-temperature
solid-state
dewetting
thin
silver
film.
conformal
contact
human
skin
SERS
detection
diverse
metabolites
from
sequentially
sampled
sweat.
Machine-learned
quantification
including
lactate,
uric
acid,
tyrosine
has
successfully
profiled
during
assorted
physical
activities.
This
can
provide
new
strategy
delineating
phenotype
individuals
personalized
Язык: Английский
Wearable SERS devices in health management: Challenges and prospects
Biqing Chen,
Jiayin Gao,
Haizhu Sun
и другие.
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy,
Год журнала:
2025,
Номер
334, С. 125957 - 125957
Опубликована: Фев. 26, 2025
Язык: Английский
Rapid SERS Analysis: From Laboratory to Real Sample
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
On
the
50th
anniversary
of
discovery
surface-enhanced
Raman
spectroscopy
(SERS),
numerous
reviews
highlighted
SERS
advancements
from
different
aspects,
such
as
historical
evolution,
enhancement
mechanisms,
quantitative
analysis,
and
medical
applications.
However,
how
to
develop
rapid
analysis
for
real
samples
has
rarely
been
summarized
yet.
This
review
highlights
following
three
pivotal
steps
in
this
direction:
(1)
establishing
reliable
highly
selectively
sensitive
laboratory;
(2)
developing
sample
pretreatment;
(3)
AI-enhanced
qualitative
analysis.
Язык: Английский
Hotspots Heading for Goals: High-Specificity SERS Sensing with Hierarchically Structured Micromotors
Optics Letters,
Год журнала:
2024,
Номер
49(24), С. 7106 - 7106
Опубликована: Ноя. 11, 2024
This
work
reports
a
hierarchically
structured
micromotor
(HSM)
surface-enhanced
Raman
scattering
(SERS)
platform
comprising
3D
tubular
configurations
with
nanostructured
outer
walls.
The
HSMs
can
be
powered
by
an
external
magnetic
field
in
solution
to
enrich
molecules
promoted
adsorption
efficiency.
wall
serves
as
containers
collect
and
produce
strong
localized
surface
plasmon
resonance
intensify
of
the
enriched
molecules.
Further
coupling
after
molecular
enrichment
additional
plasmonic
hotspots
at
sites
where
were
enriched,
providing
manipulate
enter
hotspot
region.
Moreover,
functionalizing
specific
on
enables
high-specificity
SERS
sensing
for
benzaldehyde
(BA)
Cu
Язык: Английский