Electronics,
Journal Year:
2024,
Volume and Issue:
13(4), P. 770 - 770
Published: Feb. 15, 2024
The
ambipolar
conduction
property
of
graphene
field-effect
transistors
(GFETs)
and
the
inherent
square-like
dependence
drain
current
on
gate
voltage,
enable
development
single-device
architectures
for
analog
nonlinear
radiofrequency
(RF)
circuits.
use
GFETs
in
novel
RF
component
topologies
allows
leveraging
graphene’s
attractive
thermal
mechanical
properties
to
improve
miniaturization
weight
reduction
electronic
components.
These
features
are
specifically
appealing
integrated
sensing,
modulation,
transmission
systems.
However,
given
innovative
nature
emerging
graphene-based
technology,
a
complete
performance
analysis
any
is
essential
customizing
operating
conditions
accordingly.
This
paper
presents
comprehensive
circuital
GFET-based
frequency
doubler,
exploiting
compact
model
GFET
circuit
simulation
assess
device’s
parameters,
including
power
conversion
gain
bandwidth
saturation.
performed
proposes
support
design
harmonic
transponders,
offering
sensing
signal
manipulation
capabilities.
Carbon,
Journal Year:
2024,
Volume and Issue:
223, P. 118970 - 118970
Published: Feb. 26, 2024
Hydrogel-integrated
graphene
superstructures
(GSSs)
represent
a
promising
platform
for
applications
in
tissue
engineering
and
regenerative
medicine.
Graphene,
two-dimensional
carbon-based
material,
possesses
remarkable
mechanical,
thermal,
electrical
characteristics,
making
it
strong
candidate
application
biomedicine.
Researchers
have
pursued
the
integration
of
with
hydrogels,
known
their
biocompatibility
ability
to
provide
conducive
environment
cellular
growth,
craft
sophisticated
scaffolds
tailored
needs.
The
hydrogels
enables
construction
3D
frameworks
that
closely
mimic
natural
extracellular
matrix
(ECM)
found
biological
tissues.
Hydrogels
furnish
biocompatible,
well-hydrated
environment,
while
component
bolsters
scaffold's
mechanical
integrity
conductivity.
This
amalgamation
enhances
adhesion,
differentiation,
proliferation,
thereby
facilitating
regeneration.
A
notable
advantage
hydrogel-integrated
GSSs
lies
capacity
support
growth
differentiation
variety
cell
types
such
as
PC12,
MG-63,
U-87,
MC3T3-E1
lines.
Overall,
exhibit
great
potential
advancing
biomimetic
combination
unique
properties
development
advanced
scaffold
systems
Further
research
this
domain
will
play
crucial
role
medicine
treatment
various
diseases
injuries.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(31)
Published: May 10, 2023
Abstract
Biomarkers
are
primary
indicators
for
precise
diagnosis
and
treatment.
The
early
identification
of
health
biomarkers
has
been
sustained
by
the
evolutionary
success
in
sensor
technologies.
Among
them,
graphene
field‐effect
transistor
(GFET)
biosensors
have
exhibited
major
advantages
such
as
an
ultrashort
response
time,
high
sensitivity,
easy
operation,
capability
integration,
label‐free
detection.
Owing
to
atomic
thickness,
restricts
charge
carrier
flow
merely
at
material
surface
responds
foreign
stimuli
directly,
leading
effective
signal
acquisition
transmission.
Here,
this
review
summarizes
latest
advances
GFET
a
comprehensive
manner
that
contains
device
design,
working
principle,
functionalization,
proof‐of‐concept
applications.
It
provides
survey
with
regard
biomarker
analysis
single‐device
level
integrated
prototypes
include
wearable
sensors,
biomimetic
systems,
healthcare
electronics,
diagnostic
platforms.
Moreover,
there
is
discussion
on
long‐standing
research
efforts
outlook
future
development
systems
from
lab
fab.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Dec. 4, 2023
Promising
advances
in
molecular
medicine
have
promoted
the
urgent
requirement
for
reliable
and
sensitive
diagnostic
tools.
Electronic
biosensing
devices
based
on
field-effect
transistors
(FETs)
exhibit
a
wide
range
of
benefits,
including
rapid
label-free
detection,
high
sensitivity,
easy
operation,
capability
integration,
possessing
significant
potential
application
disease
screening
health
monitoring.
In
this
perspective,
tremendous
efforts
achievements
development
high-performance
FET
biosensors
past
decade
are
summarized,
with
emphasis
interface
engineering
FET-based
electrical
platforms
biomolecule
identification.
First,
an
overview
strategies
modulation
recognition
element
design
is
discussed
detail.
For
further
step,
applications
vitro
detection
real-time
monitoring
biological
systems
comprehensively
reviewed.
Finally,
key
opportunities
challenges
electronic
discussed.
It
anticipated
that
comprehensive
understanding
will
inspire
additional
techniques
developing
highly
sensitive,
specific,
stable
as
well
emerging
designs
next-generation
electronics.
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(35), P. 8577 - 8604
Published: Jan. 1, 2024
Biosensors
integrated
into
closed-loop
systems
provide
patient-specific
adaptive
therapies.
These
advanced
devices
have
significant
potential
for
managing
chronic
conditions
by
continuously
adjusting
therapeutic
regimens
based
on
physiological
data.
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
In
vivo
electrochemical
sensing
of
neurotransmitters,
neuromodulators,
and
metabolites
plays
a
critical
role
in
real-time
monitoring
various
physiological
or
psychological
processes
the
central
nervous
system.
Currently,
advanced
biosensors
technologies
have
been
emerging
as
prominent
ways
to
meet
surging
requirements
neurotransmitters
neuromodulators
ranging
from
single
cells
brain
slices,
even
entire
brain.
This
review
introduces
fundamental
working
principles
summarizes
achievements
biosensing
including
voltammetry,
amperometry,
potentiometry,
field-effect
transistor
(FET),
organic
(OECT).
According
elaborate
feature
technology,
versatile
strategies
devoted
solve
issues
associated
with
neurochemicals
under
an
intricate
environment.
Voltammetry
is
universal
technique
investigate
complex
matrices
which
could
realize
miniaturization
electrodes,
while
amperometry
serves
well-suited
approach
offering
high
temporal
resolution
favorable
for
fast
oxidation–reduction
kinetics
neurochemicals.
Potentiometry
realizes
quantitative
analysis
by
recording
potential
difference
reduced
invasiveness
compatibility.
FET
OECT
serve
amplification
higher
sensitivity
than
traditional
technologies.
Furthermore,
we
point
out
current
shortcomings
address
challenges
perspectives
Journal of Composites Science,
Journal Year:
2023,
Volume and Issue:
7(11), P. 473 - 473
Published: Nov. 11, 2023
Heavy
metal
ions
(HMIs)
have
acute
toxic
effects
on
health
and
are
dangerous
for
human
existence
the
ecosystem.
Therefore,
their
sensitive
selective
detection
is
of
great
importance.
In
recent
years,
various
nanocomposite
materials
been
used
by
researchers
HMIs
using
modalities
electrochemical
techniques.
This
review
summarizes
advances
in
developing
sensors
based
numerous
detecting
HMIs.
Nanocomposite
materials,
such
as
metal–organic
frameworks
(MOFs),
organic
conducting
polymer
(OCPs),
carbon
nanotubes
(CNTs),
graphene
oxide
(GO),
graphene/reduced
(rGO),
graphitic
nitride,
oxide,
chitosan,
MXenes,
nanoparticle-based
nanocomposites,
etc.,
explored
to
improve
sensing
properties
sensors.
emphasizes
materials’
synthesis
characterization
techniques,
HMI
Moreover,
this
highlights
development
portable
biosensors
real-world
scenarios,
environmental
monitoring,
food
safety,
clinical
diagnosis.
also
demonstrates
importance
a
reliable,
sensitive,
tool
