The
NIR-II
based
CLSM
has
problems
such
as
expensive
detector
and
reduced
image
resolution.
Here,
by
simultaneously
using
a
low-cost
silicon
photomultiplier
(SiPM)
Bessel
beam
an
excitation,
we
developed
ultra-low-cost
high-fidelity
confocal
laser
scanning
microscope.
introduction
of
compensates
to
some
extent
for
the
weakening
spatial
resolution
caused
increase
in
wavelength
light
NIR
region.
use
SiPM
reduces
cost
fluorescence
detection
module
CLSM,
while
enabling
ultra-broadband
signals
spanning
visible
regions.
Small,
Journal Year:
2024,
Volume and Issue:
20(46)
Published: Aug. 3, 2024
Live
cell
imaging
is
essential
for
obtaining
spatial
and
temporal
insights
into
dynamic
molecular
events
within
heterogeneous
individual
cells,
in
situ
intracellular
networks,
vivo
organisms.
Molecular
tracking
live
cells
also
a
critical
general
requirement
studying
physiological
processes
biology,
cancer,
developmental
neuroscience.
Alongside
this
context,
review
provides
comprehensive
overview
of
recent
research
progress
live-cell
RNAs,
DNAs,
proteins,
small-molecule
metabolites,
as
well
their
applications
diagnosis,
immunodiagnosis,
biochemical
diagnosis.
A
series
advanced
techniques
have
been
introduced
summarized,
including
high-precision
imaging,
high-resolution
low-abundance
multidimensional
multipath
rapid
computationally
driven
methods,
all
which
offer
valuable
disease
prevention,
treatment.
This
article
addresses
the
current
challenges,
potential
solutions,
future
development
prospects
field.
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control,
Journal Year:
2024,
Volume and Issue:
71(12: Breaking the Resolution), P. 1801 - 1813
Published: Sept. 2, 2024
Photoacoustic
imaging
(PAI),
also
known
as
optoacoustic
imaging,
is
a
hybrid
modality
that
combines
the
rich
contrast
of
optical
with
deep
penetration
ultrasound
imaging.
Over
past
decade,
PAI
has
been
increasingly
utilized
in
biomedical
studies,
providing
high-resolution
high-contrast
images
endogenous
and
exogenous
chromophores
various
fundamental
clinical
research.
However,
faces
challenges
achieving
high
resolution
tissue
simultaneously,
limited
by
acoustic
interactions
tissues.
Overcoming
these
limitations
crucial
for
maximizing
potential
applications.
Recent
advances
super-resolution
have
opened
new
possibilities
at
greater
depths.
This
review
provides
comprehensive
summary
promising
strategies,
highlights
their
representative
applications,
envisions
future
directions,
discusses
broader
impact
on
Journal of Biomedical Optics,
Journal Year:
2023,
Volume and Issue:
28(03)
Published: March 14, 2023
SignificanceMachine
learning
(ML)
models
based
on
deep
convolutional
neural
networks
have
been
used
to
significantly
increase
microscopy
resolution,
speed
[signal-to-noise
ratio
(SNR)],
and
data
interpretation.
The
bottleneck
in
developing
effective
ML
systems
is
often
the
need
acquire
large
datasets
train
network.
We
demonstrate
how
adding
a
"dense
encoder-decoder"
(DenseED)
block
can
be
effectively
network
that
produces
super-resolution
(SR)
images
from
conventional
diffraction-limited
(DL)
trained
using
small
dataset
[15
fields
of
view
(FOVs)].AimThe
helps
retrieve
SR
information
DL
image
when
with
massive
training
dataset.
aim
this
work
estimates
modifications
enable
dataset.ApproachWe
employ
"DenseED"
blocks
existing
architectures.
DenseED
use
dense
layer
concatenates
features
previous
next
layer.
fully
(FCNs)
estimate
(15
FOVs)
human
cells
Widefield2SIM
fluorescent-labeled
fixed
bovine
pulmonary
artery
endothelial
samples.ResultsConventional
without
fail
accurately
while
including
can.
average
peak
SNR
(PSNR)
resolution
improvements
achieved
by
containing
are
≈3.2
dB
2
×
,
respectively.
evaluated
various
configurations
target
generation
methods
(e.g.,
experimentally
captured
computationally
generated
target)
FCNs
showed
simple
outperforms
compared
blocks.ConclusionsDenseED
show
accurate
extraction
even
if
model
15
FOVs.
This
approach
shows
applications
smaller
application-specific
imaging
platforms
there
promise
for
applying
other
modalities,
such
as
MRI/x-ray,
etc.
Photonics,
Journal Year:
2024,
Volume and Issue:
11(10), P. 983 - 983
Published: Oct. 19, 2024
Confocal
laser
scanning
microscopy
is
one
of
the
most
widely
used
tools
for
high-resolution
imaging
biological
cells.
However,
resolution
conventional
confocal
technology
limited
by
diffraction,
and
more
complex
optical
principles
expensive
optical-mechanical
structures
are
usually
required
to
improve
resolution.
This
study
proposed
a
deep
residual
neural
network
algorithm
that
can
effectively
in
real
time.
The
reliability
real-time
performance
were
verified
through
experiments
on
different
structures,
an
less
than
120
nm
was
achieved
cost-effective
manner.
contributes
improvement
expands
application
scenarios
imaging.
Intelligent Computing,
Journal Year:
2024,
Volume and Issue:
3
Published: Jan. 1, 2024
As
a
supplement
to
optical
super-resolution
microscopy
techniques,
computational
methods
have
demonstrated
remarkable
results
in
alleviating
the
spatiotemporal
imaging
trade-off.
However,
they
commonly
suffer
from
low
structural
fidelity
and
universality.
Therefore,
we
herein
propose
deep-physics-informed
sparsity
framework
designed
holistically
synergize
strengths
of
physical
models
(image
blurring
processes),
prior
knowledge
(continuity
constraints),
back-end
optimization
algorithm
deblurring),
deep
learning
(an
unsupervised
neural
network).
Owing
utilization
multipronged
strategy,
trained
network
can
be
applied
variety
modalities
samples
enhance
resolution
by
factor
at
least
1.67
without
requiring
additional
training
or
parameter
tuning.
Given
advantages
high
accessibility
universality,
proposed
method
will
considerably
existing
techniques
wide
range
applications
biomedical
research.