Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Carbon
nanotube-based
thin-film
and
electrolyte-gated
transistors
with
environmentally
benign
dielectric
materials
can
be
fabricated
on
flexible
substrates
have
potential
for
further
development
into
wearable
sensors.
C – Journal of Carbon Research,
Journal Year:
2024,
Volume and Issue:
10(3), P. 69 - 69
Published: Aug. 6, 2024
Carbon
nanotubes,
as
carbon
allotropes
distinguished
by
their
intricate
structures
and
exceptional
physicochemical
properties,
have
demonstrated
substantial
progress
in
recent
years
across
diverse
domains,
including
energy
production,
chemical
synthesis,
environmental
preservation.
They
exhibit
notable
attributes
such
high
thermal
stability,
superior
adsorption
capacity,
a
specific
surface
area,
rendering
them
superb
catalyst
supports.
Particularly
electrochemical
storage,
CNTs
are
extensively
employed
supercapacitor
electrodes
owing
to
elevated
electrical
conductivity,
mechanical
robustness,
electrocatalytic
prowess,
which
facilitate
significant
storage
capabilities.
Their
pore
architecture
reactive
sites
make
functionalized
nanotubes
well
suited
for
synthesizing
composite
materials
with
components,
ideal
sequestering
dioxide
from
both
atmospheric
indoor
environments.
This
review
presents
comprehensive
examination
of
nanotube
synthesis
methodologies,
encompassing
vapor
deposition,
arc
discharge,
laser
ablation,
evaluates
impacts
on
the
structural
functional
properties
nanotubes.
Furthermore,
this
article
underscores
applications
fields
fuel
cells,
photocatalysis,
ammonia
dry
methane
reforming,
Fischer–Tropsch
supercapacitors.
Despite
considerable
potential
manufacturing
processes
remain
costly,
impeding
large-scale
industrial
production.
concludes
addressing
challenges
fabricating
composites
outlining
future
development
prospects.
Advanced Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
Biosensors
based
on
field
effect
transistor
(FET),
also
known
as
Bio‐FETs,
offer
numerous
advantages,
including
high
sensitivity,
rapid
response
speed,
low
operating
voltage,
compact
size,
reliability,
and
easily
integrative.
These
features
endow
Bio‐FETs
with
tremendous
performance
in
analysis
for
samples
ultra‐low
concentration
at
large‐scale,
broadening
their
multiple
potential
applications.
In
recent
years,
the
research
has
attracted
more
attention.
A
lot
of
effort
is
put
into
challenge
to
improve
which
can
be
influenced
by
various
factors.
This
review
focuses
current
approaches
from
perspectives,
overcoming
influence
Debye
shielding
effects,
promoting
binding
efficiency
analytes
FETs
surface,
improving
structures
device.
Correspondingly,
novel
strategies
increase
length,
facilitate
frequency
electric
modulation,
enhance
specific
interaction
efficiency,
enlarge
surface
area
(SBET)
are
summarized.
Additionally,
there
a
lack
reliable
standard
method
characterize
sensitivity
currently.
Regarding
this
issue,
most
commonly
used
definitions
representation
parameters
evaluated.
Overall,
outlines
future
directions
insights
enhancing
Bio‐FETs.
Biosensors,
Journal Year:
2025,
Volume and Issue:
15(3), P. 134 - 134
Published: Feb. 22, 2025
Cortisol
is
a
pivotal
hormone
regulating
stress
responses
and
linked
to
various
health
conditions,
making
precise
continuous
monitoring
essential.
Despite
their
non-invasive
nature,
conventional
cortisol
detection
methods
often
suffer
from
inadequate
sensitivity
reliability
at
low
concentrations,
limiting
diagnostic
utility.
To
address
these
limitations,
this
study
introduces
novel
paradigm
for
high
using
field-effect
transistor
(FET)
sensors
with
dual-gate
(DG)
structures.
The
proposed
sensor
platform
enhances
through
capacitive
coupling
without
requiring
external
circuits.
performance
was
evaluated
by
immobilizing
monoclonal
antibodies
activated
via
1-ethyl-3-(3-dimethylaminopropyl)carbodiimide
N-hydroxysuccinimide
onto
SnO2
thin
film-based
extended-gate.
results
revealed
of
14.3
mV/dec
in
single-gate
mode,
which
significantly
increased
243.8
DG
achieving
limit
276
pM.
Additionally,
the
stability
were
validated
evaluating
drift
effects,
confirming
its
ability
provide
accurate
even
artificial
saliva
environments
containing
interfering
substances.
In
conclusion,
DG-FET-based
approach
developed
outperforms
FET-based
methods,
enabling
ultra-low
concentrations.
This
holds
significant
potential
diverse
bioassays
complex
environments.
Foods,
Journal Year:
2025,
Volume and Issue:
14(5), P. 744 - 744
Published: Feb. 22, 2025
Biosensors
are
innovative
and
cost-effective
analytical
devices
that
integrate
biological
recognition
elements
(bioreceptors)
with
transducers
to
detect
specific
substances
(biomolecules),
providing
a
high
sensitivity
specificity
for
the
rapid
accurate
point-of-care
(POC)
quantitative
detection
of
selected
biomolecules.
In
meat
production
chain,
their
application
has
gained
attention
due
increasing
demand
enhanced
food
safety,
quality
assurance,
fraud
detection,
regulatory
compliance.
can
foodborne
pathogens
(Salmonella,
Campylobacter,
Shiga-toxin-producing
E.
coli/STEC,
L.
monocytogenes,
etc.),
spoilage
bacteria
indicators,
contaminants
(pesticides,
dioxins,
mycotoxins),
antibiotics,
antimicrobial
resistance
genes,
hormones
(growth
promoters
stress
hormones),
metabolites
(acute-phase
proteins
as
inflammation
markers)
at
different
modules
along
from
livestock
farming
packaging
in
farm-to-fork
(F2F)
continuum.
By
real-time
data
biosensors
enable
early
interventions,
reducing
health
risks
(foodborne
outbreaks)
associated
contaminated
meat/meat
products
or
sub-standard
products.
Recent
advancements
micro-
nanotechnology,
microfluidics,
wireless
communication
have
further
sensitivity,
specificity,
portability,
automation
biosensors,
making
them
suitable
on-site
field
applications.
The
integration
blockchain
Internet
Things
(IoT)
systems
allows
acquired
management,
while
artificial
intelligence
(AI)
machine
learning
(ML)
enables
processing,
analytics,
input
risk
assessment
by
competent
authorities.
This
promotes
transparency
traceability
within
fostering
consumer
trust
industry
accountability.
Despite
biosensors'
promising
potential,
challenges
such
scalability,
reliability
complexity
matrices,
approval
still
main
challenges.
review
provides
broad
overview
most
relevant
aspects
current
state-of-the-art
development,
challenges,
opportunities
prospective
applications
regular
use
safety
monitoring,
clarifying
perspectives.