TrAC Trends in Analytical Chemistry,
Год журнала:
2024,
Номер
177, С. 117797 - 117797
Опубликована: Июнь 1, 2024
The
characteristics
of
Plastic
Optical
Fibers
(POFs)
are
exploited
to
realize
simple,
highly
sensitive,
and
low-cost
bio/chemical
sensors
via
innovative
schemes.
POF's
multimode
characteristic
the
simple
modification
processes
used
obtain
novel
ultra-sensitive
platforms
that
can
be
combined
with
different
kinds
receptors
(bio-mimetic
or
biological
receptors)
detect
specific
substances
in
ranges
for
several
application
fields.
This
review
reports
POF
based
on
optical
transduction
principles
obtained
setups,
such
as
surface
plasmon
resonance
(SPR),
localized
SPR,
lossy
mode
resonance,
evanescent
wave,
others.
reported
sensor
configurations
useful
understand
how
balance
combination
these
two
components
(POF
produce
desired
optimal
performance
POF-based
terms
substance
detection
range.
Photonics Research,
Год журнала:
2023,
Номер
12(2), С. 194 - 194
Опубликована: Дек. 4, 2023
The
terahertz
(THz)
wave
is
at
the
intersection
between
photonics
and
electronics
in
electromagnetic
spectrum.
Since
vibration
mode
of
many
biomedical
molecules
weak
interaction
inside
fall
THz
regime,
utilizing
radiation
as
a
signal
source
to
operate
substance
information
sensing
has
its
unique
advantages.
Recently,
metamaterial
sensor
(metasensor)
greatly
enhanced
substances
spectral
selectivity
on
subwavelength
scale.
However,
most
past
review
articles
have
demonstrated
metasensor
terms
their
structures,
applications,
or
materials.
Until
recently,
with
rapid
development
metasensing
technologies,
molecular
paid
much
more
attention
platform
metasensors.
In
this
review,
we
comprehensively
introduce
for
detecting
not
only
featureless
refractive
index
but
also
vibrational/chiral
analytes.
objectives
are
improve
specificity
either
by
chemical
material-assisted
analyte
capture
physical
information.
Later,
boost
absorption
features
certain
frequency,
resonant
responses
metasensors
can
be
tuned
vibrational
modes
target
molecules,
while
frequency
multiplexing
techniques
reviewed
enhance
broadband
spectroscopic
fingerprints.
chiral
summarized
specific
identification
molecules.
Finally,
potential
prospects
next
generation
discussed.
Compared
metasensing,
platforms
accelerated
material
modification
will
lead
greater
impact
advancement
trace
detection
conformational
dynamics
biomolecules
practical
applications.
Biosensors,
Год журнала:
2024,
Номер
14(2), С. 67 - 67
Опубликована: Янв. 27, 2024
The
integration
of
nanomaterials
into
sensor
technologies
not
only
poses
challenges
but
also
opens
up
promising
prospects
for
future
research.
These
include
assessing
the
toxicity
nanomaterials,
scalability
issues,
and
seamless
these
materials
existing
infrastructures.
Future
development
opportunities
lie
in
creating
multifunctional
nanocomposites
environmentally
friendly
nanomaterials.
Crucial
to
this
process
is
collaboration
between
universities,
industry,
regulatory
authorities
establish
standardization
evolving
field.
Our
perspective
favours
using
screen-printed
sensors
that
employ
with
high
electrochemical
conductivity.
This
approach
offers
cost-effective
production
methods
allows
customizable
designs.
Furthermore,
incorporating
hybrids
based
on
carbon-based
functionalized
Mxene
significantly
enhances
performance.
conductivity
are
portable,
rapid,
well-suited
on-site
environmental
monitoring,
seamlessly
aligning
Internet
Things
(IoT)
platforms
developing
intelligent
systems.
Simultaneously,
advances
technology
actively
working
elevate
sensitivity
through
integrating
nanotechnology,
miniaturization,
innovative
electrode
comprehensive
aims
unlock
full
potential
technologies,
catering
diverse
applications
ranging
from
healthcare
monitoring.
review
summarise
latest
trends
hybrid
nanomaterial-based
sensors,
explicitly
focusing
their
application
detecting
contaminants.
Nanotechnology Reviews,
Год журнала:
2024,
Номер
13(1)
Опубликована: Янв. 1, 2024
Abstract
Terahertz
metasurface
(THz-MS)
biosensor
is
a
hybrid
technology
that
combines
terahertz
time-domain
spectroscopy
and
for
the
detection
of
biomolecules
cells.
Compared
with
traditional
strategies,
it
label-free,
non-invasive,
time-saving,
easy
to
operate.
However,
three
fundamental
issues,
namely,
low
sensitivity,
specificity,
drastic
water
absorption,
hinder
development
THz-MS
biosensors
clinical
application.
Recently,
numerous
studies
have
been
performed
solve
these
problems,
results
show
great
potential
sensitive
nucleotides,
proteins,
Therefore,
important
summarize
in
biomedical
detection.
In
this
review,
we
summarized
mechanism,
manufacturing,
implementation
biosensors.
Then,
strategies
improve
selectivity,
means
reduce
absorption
are
presented.
Sensitivity
can
be
improved
by
suppressing
electromagnetic
radiation
strengthening
interaction
between
target
molecules
meta-atoms.
Antibodies
aptamers
most
effective
improving
specificity.
Microfluidics
hydrogels
two
ways
absorption.
Subsequently,
applications
nucleotide,
cells
summarized.
Finally,
prospects
future
outlined.
TrAC Trends in Analytical Chemistry,
Год журнала:
2024,
Номер
175, С. 117715 - 117715
Опубликована: Апрель 16, 2024
To
comprehend
biological
processes
for
healthcare,
environmental,
food,
and
security
applications,
establishing
sensitive,
reliable,
rapid
techniques
detecting
biomolecular
substances
is
essential.
However,
conventional
labeling
methods
suffer
from
reliability
reproducibility
issues
because
they
influence
the
experimental
outcomes.
Therefore,
a
label-free
sensing
technique
required
to
overcome
these
limitations.
From
this
perspective,
terahertz
have
attracted
significant
attention
owing
their
unique
characteristics
of
low
photon
energy
ability
probe
overall
dielectric
responses
low-frequency
vibrational
modes
intermolecular
interactions.
In
review,
we
first
present
distinctive
waves
molecules
samples
through
comparison
with
spectroscopy.
Then,
challenges
opportunities
in
latest
technologies
metasurface-based
detection
are
introduced,
spanning
strategies
enhanced
absorption
cross-sections
emerging
frontiers
exploring
chirality
strongly
coupled
polaritons.
