Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Cellular
biophysical
metrics
exhibit
systematic
alterations
during
processes,
such
as
metastasis
and
immune
cell
activation,
which
can
be
used
to
identify
separate
live
subpopulations
for
targeting
drug
screening.
Image‐based
cytometry
under
extensional
flows
accurately
quantify
deformability
based
on
shape
but
needs
extensive
image
reconstruction,
limits
its
inline
utilization
activate
sorting.
Impedance
measure
these
electric
field
screening,
while
frequency
response
offers
functional
information
viability
interior
structure,
are
difficult
discern
by
imaging.
Furthermore,
1‐D
temporal
impedance
signal
trains
characteristic
shapes
that
rapidly
templated
in
near
real‐time
extract
single‐cell
We
present
a
multilayer
perceptron
neural
network
templating
approach
utilizes
raw
signals
from
cells
flow,
alongside
training
with
corresponding
derive
net
electrical
anisotropy
over
wide
ranges
minimal
errors
size
distributions.
Deformability
physiology
applied
conjunction
the
same
multiparametric
classification
of
pancreatic
cancer
versus
associated
fibroblasts
using
support
vector
machine
model.
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(9), P. 884 - 884
Published: Sept. 13, 2023
Cancer
is
a
fatal
disease
and
significant
cause
of
millions
deaths.
Traditional
methods
for
cancer
detection
often
have
limitations
in
identifying
the
its
early
stages,
they
can
be
expensive
time-consuming.
Since
typically
lacks
symptoms
only
detected
at
advanced
it
crucial
to
use
affordable
technologies
that
provide
quick
results
point
care
diagnosis.
Biosensors
target
specific
biomarkers
associated
with
different
types
offer
an
alternative
diagnostic
approach
care.
Recent
advancements
manufacturing
design
enabled
miniaturization
cost
reduction
point-of-care
devices,
making
them
practical
diagnosing
various
diseases.
Furthermore,
machine
learning
(ML)
algorithms
been
employed
analyze
sensor
data
extract
valuable
information
through
statistical
techniques.
In
this
review
paper,
we
details
on
how
contribute
ongoing
development
processing
techniques
biosensors,
which
are
continually
emerging.
We
also
used
along
comparison
performance
ML
sensing
modalities
terms
classification
accuracy.
Bioelectromagnetics,
Journal Year:
2025,
Volume and Issue:
46(1)
Published: Jan. 1, 2025
ABSTRACT
Cancer
remains
a
formidable
global
health
challenge,
necessitating
the
development
of
innovative
diagnostic
techniques
capable
early
detection
and
differentiation
tumor/cancerous
cells
from
their
healthy
counterparts.
This
review
focuses
on
confluence
advanced
computational
algorithms
with
noninvasive,
label‐free
impedance‐based
biophysical
methodologies—techniques
that
assess
biological
processes
directly
without
need
for
external
markers
or
dyes.
elucidates
diverse
array
state‐of‐the‐art
technologies,
illuminating
distinct
electrical
signatures
inherent
to
cancer
vs
tissues.
Additionally,
study
probes
transformative
potential
these
modalities
in
recalibrating
personalized
treatment
paradigms.
These
offer
real‐time
insights
into
tumor
dynamics,
paving
way
precision‐guided
therapeutic
interventions.
By
emphasizing
quest
continuous
vivo
monitoring,
herald
pivotal
advancement
overarching
endeavor
combat
globally.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(11), P. 4419 - 4429
Published: March 6, 2024
Impedance
flow
cytometry
(IFC)
has
been
demonstrated
to
be
an
efficient
tool
for
label-free
bacterial
investigation
obtain
the
electrical
properties
in
real
time.
However,
accurate
differentiation
of
different
species
bacteria
by
IFC
technology
remains
a
challenge
owing
insignificant
differences
data.
Here,
we
developed
convolutional
neural
networks
(ConvNet)
deep
learning
approach
enhance
accuracy
and
efficiency
toward
distinguishing
various
bacteria.
First,
more
than
1
million
sets
impedance
data
(comprising
42
characteristic
features
each
set)
groups
were
trained
ConvNet
model.
To
improve
analysis,
Spearman
correlation
coefficient
mean
decrease
random
forest
algorithm
introduced
eliminate
feature
interaction
extract
opacity
related
wall
membrane
structure
as
predominant
differentiation.
Moreover,
25
optimized
selected
with
accuracies
>96%
three
(bacilli,
cocci,
vibrio)
>95%
two
bacilli
(Escherichia
coli
Salmonella
enteritidis),
compared
machine
algorithms
(complex
tree,
linear
discriminant,
K-nearest
neighbor
algorithms)
maximum
76.4%.
Furthermore,
was
achieved
on
spiked
samples
mixing
ratios.
The
proposed
learning-assisted
analysis
method
exhibits
advantages
analyzing
huge
number
capacity
extracting
within
multicomponent
information
will
bring
about
progress
advances
fields
both
biosensing
analysis.
Lab on a Chip,
Journal Year:
2024,
Volume and Issue:
24(18), P. 4333 - 4343
Published: Jan. 1, 2024
The
differences
in
the
cross-sectional
positions
of
cells
detection
area
have
a
severe
negative
impact
on
achieving
accurate
characterization
impedance
spectra
cells.
Herein,
we
proposed
three-dimensional
(3D)
inertial
focusing
based
cytometer
integrating
sheath
fluid
compression
and
for
high-accuracy
electrical
identification
tumor
First,
studied
effects
particle
initial
position
focusing.
Then,
relationship
height
signal-to-noise
ratio
(SNR)
signal
was
explored.
results
showed
that
efficient
single-line
7-20
μm
particles
close
to
electrodes
achieved
signals
with
high
SNR
low
coefficient
variation
(CV)
were
obtained.
Finally,
properties
three
types
(A549,
MDA-MB-231,
UM-UC-3
cells)
accurately
characterized.
Machine
learning
algorithms
implemented
identify
amplitude
phase
opacities
at
multiple
frequencies.
Compared
traditional
two-dimensional
(2D)
focusing,
accuracy
A549,
using
our
3D
increased
by
57.5%,
36.4%
36.6%,
respectively.
enables
wide
size
range
without
causing
clogging
obtains
signals,
improving
applicability
different
complex
biological
samples
cell
accuracy.
Lab on a Chip,
Journal Year:
2023,
Volume and Issue:
24(3), P. 561 - 571
Published: Dec. 19, 2023
Due
to
low
numbers
of
circulating
tumor
cells
(CTCs)
in
liquid
biopsies,
there
is
much
interest
enrichment
alternative
circulating-like
mesenchymal
cancer
cell
subpopulations
from
Electrophoresis,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 18, 2025
ABSTRACT
Cancer
is
among
the
most
significant
health
threats
to
humanity.
As
a
critical
front‐line
treatment
in
early
stages
of
disease,
chemotherapy
drugs
provide
positive
effects
on
more
than
one
disease.
Traditional
analytical
methods
for
screening
these
are
often
marred
by
need
intricate
sample
preparation
and
reliance
costly
equipment
or
reagents.
In
this
study,
we
profiled
biophysical
properties
cancer
cells
(MCF‐7)
as
they
traversed
detection
region
using
high‐throughput
seven‐electrode
double‐differential
biochip.
To
ensure
precise
reliable
cell
status
assessment,
optimized
both
electrode
dimensions
within
assay
system
buffer's
conductivities.
Our
findings
indicated
that
an
configuration
E:F:G
=
2:5:1
(E,
F,
G
stand
exciting/floating/gap,
respectively),
coupled
with
conductivity
setting
1.6
S/m,
was
optimal
probing
electrical
breast
(MCF‐7).
Utilizing
refined
system,
achieved
live–dead
differentiation
accuracy
approximately
94.25%.
Moreover,
MCF‐7
displayed
distinct
impedance
signatures
response
varying
drug
concentrations.
Changes
signal
characteristics,
such
opacity
phase,
physiological
shifts
under
exposure.
This
research
considerable
importance,
offering
novel
efficient
methodology
dosage
testing.
It
paves
way
personalized
strategies,
potentially
enhancing
patient
outcomes
quality
life.
Molecular Cancer,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: April 23, 2025
Drug
resistance
is
one
of
the
main
reasons
for
cancer
treatment
failure,
leading
to
a
rapid
recurrence/disease
progression
cancer.
Recently,
artificial
intelligence
(AI)
has
empowered
physicians
use
its
powerful
data
processing
and
pattern
recognition
capabilities
extract
mine
valuable
drug
information
from
large
amounts
clinical
or
omics
data,
study
mechanisms,
evaluate
predict
resistance,
develop
innovative
therapeutic
strategies
reduce
resistance.
In
this
review,
we
proposed
feasible
workflow
incorporating
AI
into
tumor
research,
highlighted
current
AI-driven
applications,
discussed
opportunities
challenges
encountered
in
process.
Based
on
comprehensive
literature
analysis,
systematically
summarized
role
including
development,
mechanism
elucidation,
sensitivity
prediction,
combination
therapy
optimization,
phenotype
identification,
biomarker
discovery.
With
continuous
advancement
technology
rigorous
validation
models
are
expected
fuel
development
precision
oncology
by
improving
efficacy,
guiding
decisions,
optimizing
patient
prognosis.
summary,
leveraging
pioneer
new
mitigate
improve
efficacy
survival,
provide
novel
perspectives
tools
treatment.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(20)
Published: July 5, 2024
Abstract
Regenerative
therapies,
including
the
transplantation
of
spinal
cord
progenitor
cells
(SCPCs)
derived
from
induced
pluripotent
stem
(iPSCs),
are
promising
treatment
strategies
for
injuries.
However,
risk
tumorigenicity
residual
iPSCs
advocates
an
unmet
need
rapid
SCPCs
safety
profiling.
Herein,
a
(≈3000
min
‐1
)
electrical‐based
microfluidic
biophysical
cytometer
is
reported
to
detect
low‐abundance
at
single‐cell
resolution.
Based
on
multifrequency
impedance
measurements
(0.3
12
MHz),
features
cell
size,
deformability,
membrane,
and
nucleus
dielectric
properties
simultaneously
quantified
as
hydrodynamically
stretched
cross
junction
under
continuous
flow.
A
supervised
uniform
manifold
approximation
projection
(UMAP)
model
further
developed
impedance‐based
quantification
undifferentiated
with
high
sensitivity
(≈1%
spiked
iPSCs)
shows
good
correlations
differentiation
outcomes
using
two
iPSC
lines.
Cell
membrane
opacity
(day
1)
also
identified
novel
early
intrinsic
predictive
biomarker
that
exhibits
strong
correlation
SCPC
efficiency
10).
Overall,
it
envisioned
this
label‐free
optic‐free
platform
technology
can
be
versatile
cost‐effective
process
analytical
tool
monitor
or
assess
quality
in
regenerative
medicine.
IEEE Sensors Journal,
Journal Year:
2023,
Volume and Issue:
23(16), P. 18070 - 18080
Published: July 14, 2023
As
a
label-free
single
cell
analysis
approach,
impedance
flow
cytometry
provides
valuable
information
by
differential
signals.
However,
for
high
throughput
purpose,
particle
coincidence
is
inevitable
especially
when
the
concentration
or
pumping
rate
too
high.
In
this
work,
we
proposed
first
numerical
model
and
novel
method
coincidence.
To
investigate
multiparticle
events,
double
sensor
used.
From
statistic
of
signal
peaks,
could
determine
threshold
events
then
read
out
numbers.
Compared
with
customized
threshold,
data-driven
cutoff
line
fundamentally
improves
accuracy
recognition.
Herein,
key
operation
parameters
that
influence
including
sample
concentration,
driven
pressure
(stands
rate),
configuration
are
elucidated.
Moreover,
guide
to
best
practices
avoid
suggested
real
applications.