Biosensors,
Год журнала:
2023,
Номер
13(12), С. 1026 - 1026
Опубликована: Дек. 11, 2023
Tamm
Plasmon
Polariton
(TPP)
is
a
nanophotonic
phenomenon
that
has
attracted
much
attention
due
to
its
spatial
strong
field
confinement,
ease
of
mode
excitation,
and
polarization
independence.
TPP
applications
in
sensing,
storage,
lasing,
perfect
absorber,
solar
cell,
nonlinear
optics,
many
others.
In
this
work,
we
demonstrate
biosensing
platform
based
on
resonant
mode.
Both
theoretical
analyses
the
transfer
matrix
method
experimental
validation
through
nonspecific
detection
liquids
different
refractive
indices
specific
SARS-CoV-2
nucleocapsid
protein
(N-protein)
are
presented.
Results
show
biosensor
high
sensitivity
good
specificity.
For
N-protein
detection,
can
be
up
1.5
nm/(µg/mL),
limit
reach
down
7
ng/mL
with
spectrometer
0.01
nm
resolution
wavelength
shift.
R.I.
have
been
simulated
compared
results
consistency.
This
work
paves
way
for
design,
optimization,
fabrication,
characterization,
performance
analysis
biosensors.
Applied Physics Reviews,
Год журнала:
2024,
Номер
11(2)
Опубликована: Май 1, 2024
Microring
resonators,
due
to
their
ability
enable
robust
strong
light–matter
interactions
within
structures,
have
garnered
substantial
interest
for
utility
in
sensing
applications,
particularly
the
realm
of
gas
detection.
However,
there
is
an
inherent
trade-off
between
a
microring
resonator's
quality
factor
and
confinement
air,
making
it
difficult
balance
them.
Here,
we
demonstrate
novel
solution
with
suspended
nanomembrane
silicon
(SNS)
resonator.
This
resonator
has
ultrathin
sub-wavelength
thicknesses
(0.02–0.03λ),
which
breaks
trade-off,
offering
not
only
high
intrinsic
6
×
105
but
also
extraordinarily
large
∼80%
air
at
mid-infrared
wavelengths.
As
proof-of-concept
demonstration,
applied
SNS
CO2
sensing,
exhibiting
sensitivity
over
10
times
higher
than
conventional
resonators
dynamic
range
spanning
from
0%
100%
resolution
better
4%
chemical
specificity.
By
virtue
its
excellent
properties,
potential
open
new
possibilities
development
unprecedented
nanophotonic
integrated
circuits,
broad
applications
on-chip
scenarios.
Nanoscale Advances,
Год журнала:
2023,
Номер
6(2), С. 367 - 385
Опубликована: Дек. 11, 2023
MXenes
are
a
family
of
two-dimensional
(2D)
materials
that
have
drawn
lot
interest
recently
because
their
distinctive
characteristics
and
possible
uses
in
variety
industries.
This
review
emphasizes
the
bright
future
prospects
MXene
realm
FETs.
Their
remarkable
properties,
coupled
with
tunability
compatibility,
position
as
promising
candidates
for
development
high-performance
electronic
devices.
As
research
this
field
continues
to
evolve,
potential
drive
innovation
electronics
becomes
increasingly
evident,
fostering
excitement
role
shaping
technology.
paper
presents
comprehensive
overview
materials,
focusing
on
synthesis
methods,
functionalization
strategies,
intrinsic
application
Field
Effect
Transistors
(FETs).
TrAC Trends in Analytical Chemistry,
Год журнала:
2024,
Номер
178, С. 117865 - 117865
Опубликована: Июль 10, 2024
Optofluidics
is
an
interdisciplinary
domain
merging
optics
and
microfluidics
has
driven
significant
progress
in
the
development
of
small-scale,
high-performance
optical
biosensors,
aiming
at
final
concept
lab-on-chip.
The
successful
these
outcomes
requires
overcoming
challenges
related
to
effective
integration
optics,
microfluidics,
biorecognition
elements
a
micron-scale
level.
opportunities
offered
by
optofluidics,
including
efficient
liquid
handling
strong
light-matter
interaction,
have
inspired
creation
many
optofluidic
biosensors
with
high
performance
versatile
applications,
ranging
from
single
molecule
detection
up
cell
analysis.
review
presents
critically
analyzes
various
schemes
their
fabrication
techniques.
Different
strategies
bioassays
are
examined
for
impact
on
device
feasibility.
Finally,
manuscript
discusses
open
future
trends
this
field,
pointing
towards
ongoing
evolution
as
promising
area
research
application.
Sensors,
Год журнала:
2024,
Номер
24(6), С. 1929 - 1929
Опубликована: Март 17, 2024
Silicon
photonic-based
refractive
index
sensors
are
of
great
value
in
the
detection
gases,
biological
and
chemical
substances.
Among
them,
microring
resonators
most
promising
due
to
their
compact
size
narrow
Lorentzian-shaped
spectrum.
The
electric
field
a
subwavelength
grating
waveguide
(SWG)
is
essentially
confined
low-refractive
dielectric,
favoring
enhanced
analyte-photon
interactions,
which
represents
higher
sensitivity.
However,
it
very
challenging
further
significantly
improve
sensitivity
SWG
ring
resonator
sensors.
Here,
hybrid
blocks
double
slot
(HDSSWG-MRR)
sensor
operating
water
environment
proposed.
By
designing
new
structure,
up
1005
nm/RIU
has
been
achieved,
182
than
currently
highest
silicon
photonic
micro
sensor.
Meanwhile,
utilizing
unique
Q
22,429
was
achieved
low
limit
6.86
×
10−5
RIU
calculated.
Applied Physics Reviews,
Год журнала:
2025,
Номер
12(1)
Опубликована: Март 1, 2025
As
photonic
technologies
grow
in
multidimensional
aspects,
integrated
photonics
holds
a
unique
position
and
continuously
presents
enormous
possibilities
for
research
communities.
Applications
include
data
centers,
environmental
monitoring,
medical
diagnosis,
highly
compact
communication
components,
with
further
growing.
Herein,
we
review
state-of-the-art
on-chip
sensors
that
operate
the
visible
to
mid-infrared
wavelength
region
on
various
material
platforms.
Among
different
materials,
architectures,
leading
way
sensors,
discuss
optical
sensing
principles
are
commonly
applied
biochemical
gas
sensing.
Our
focus
is
passive
waveguides,
including
dispersion-engineered
metamaterial-based
structures,
which
essential
enhancing
interaction
between
light
analytes
chip-scale
sensors.
We
harness
diverse
array
of
cutting-edge
technologies,
heralding
revolutionary
paradigm.
arsenal
includes
refractive-index-based
sensing,
plasmonics,
spectroscopy,
forge
an
unparalleled
foundation
innovation
precision.
Furthermore,
brief
discussion
recent
trends
computational
concepts,
incorporating
Artificial
Intelligence
&
Machine
Learning
(AI/ML)
deep
learning
approaches
over
past
few
years
improve
qualitative
quantitative
analysis
sensor
measurements.
Tamm
Plasmon
Polariton
(TPP)
is
a
nanophotonic
phenomenon
that
has
attracted
much
attention
due
to
its
spatial
strong
field
confinement,
ease
of
mode
excitation
and
polarization
independence.
TPP
applications
in
sensing,
storage,
lasing,
perfect
absorber,
solar
cell,
nonlinear
optics,
many
others.
In
this
work,
we
demonstrate
biosensing
platform
based
on
resonant
mode.
Both
theoretical
analyses
Transfer
Matrix
Method
experimental
validation
through
nonspecific
detection
liquids
different
refractive
indices
specific
SARS-CoV-2
nucleocapsid
protein
(N-protein)
are
presented.
Results
show
biosensor
high
sensitivity
good
specificity.
For
N-protein
detection,
the
1.5
nm/(µg/ml)
limit
can
reach
down
below
7
ng/ml
with
spectrometer
0.01
nm
resolution
wavelength
shift.
This
work
paves
way
for
design,
optimization,
fabrication,
characterization,
performance
analysis
biosensors
