A Mini Review of Quantitative Optical Technologies for Imaging Cell and Tissue Metabolism
Audrey P. Fan,
No information about this author
Erick Alvarado,
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Anton Block
No information about this author
et al.
Current Opinion in Biomedical Engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100581 - 100581
Published: Feb. 1, 2025
Language: Английский
AI-based autofocusing of red blood cells in digital in-line holographic microscopy
Optics and Lasers in Engineering,
Journal Year:
2025,
Volume and Issue:
188, P. 108892 - 108892
Published: Feb. 22, 2025
Language: Английский
Morphological Parameters of 29994 sperm in a fertile male population—based on Papanicolaou staining and SSA-II Plus
Frontiers in Endocrinology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 7, 2025
This
study
aims
to
provide
reference
data
for
sperm
morphology
in
a
healthy,
fertile
male
population
providing
foundation
future
studies
on
infertility
assessment
and
selection
assisted
reproductive
technologies.
The
included
21
healthy
participants,
all
of
whom
had
partners
who
conceived
within
the
past
12
months.
Sperm
samples
were
collected
according
WHO
guidelines
stained
using
Papanicolaou
method.
parameters,
including
head
length,
width,
area,
perimeter,
ellipticity,
acrosome
measured
Suiplus
SSA-II
Computer-Assisted
Analysis
(CASA)
system.
Statistical
comparisons
made
between
CASA
traditional
manual
methods.
percentage
with
normal
was
9.98%.
Detailed
measurements,
provided
as
values
population.
system
demonstrated
ability
reduce
subjective
errors
showed
no
significant
differences
count
motility
compared
provides
precise
that
enhance
diagnostics
treatment,
particularly
technologies
like
ICSI.
Language: Английский
Confocal Laser Scanning Platform Combined With In Situ High‐Resolution Quantitative Phase Imaging
Journal of Biophotonics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
This
paper
introduces
an
advanced
dual-modality
imaging
platform
by
integrating
a
confocal
laser
scanning/imaging
module
with
flat-fielding
quantitative
phase
contrast
microscopy
(FF-QPCM).
The
enables
phase/fluorescence
of
the
same
samples
high
resolution
and
contrast.
Using
this
platform,
we
observed
that
fluorescence
excitation
causes
minimal
damage
to
cells,
whereas
wide-field
(WFE)
results
in
significant
damage,
particularly
mitochondrial
fragmentation
notable
alterations
values.
Additionally,
situ
was
conducted
on
live
COS7
cells
specific
region
irradiated
laser.
demonstrated
5-min
continuous
irradiation
affects
only
fluorescently
labeled
mitochondria,
causing
dysfunction
throughout
cell.
These
findings
suggest
FF-QPCM
offers
highly
efficient,
sensitive,
information-rich
tool
for
cell
biology
research,
broad
application
potential.
Language: Английский
Holographic tomography of the diatom Skeletonema pseudocostatum used as a bioindicator of heavy metal-polluted waters
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(5), P. e0322960 - e0322960
Published: May 8, 2025
Heavy
metal
contamination
in
aquatic
environments
poses
a
significant
threat
to
microbial
communities,
yet
the
subcellular
responses
of
phytoplankton
stress
remain
poorly
understood.
In
particular,
effects
heavy
exposure
on
structural
and
physiological
properties
diatoms
require
further
investigation.
Here,
we
analyze
impact
cadmium
(Cd)
copper
(Cu)
structures
diatom
Skeletonema
pseudocostatum
using
holographic
tomography.
This
imaging
technique
enables
detailed
visualization
quantitative
analysis
subcomponents,
including
frustules,
protoplasm,
vacuoles,
chloroplasts,
under
varying
concentrations.
The
study
aims
understand
changes
mean
refractive
index
(RI)
concentration
(e.g.,
ratio
among
cell
dry
mass
its
biovolume)
as
indicators
cellular
response
infer
if
such
can
be
used
sentinel
species
pollution.
Findings
indicate
that
exhibit
variations
RI
internal
density
when
exposed
different
Lower
values
observed
at
higher
concentrations,
considered
sign
due
cytoplasm
extrusion
and/or
vacuolization.
results
highlight
potential
S.
bioindicator
for
monitoring
water
Moreover,
show
tomography
useful
tool
non-invasive,
high-resolution
environmental
studies.
Language: Английский
Real-time morphometric analysis of targeted therapy for neuroblastoma cell lines in monolayer and 3D hydrogels using digital holographic microscopy
iScience,
Journal Year:
2024,
Volume and Issue:
27(11), P. 111231 - 111231
Published: Oct. 23, 2024
Language: Английский
Phase Unwrapping in Digital Holography based on SRDU-Net
Optics Communications,
Journal Year:
2024,
Volume and Issue:
573, P. 131055 - 131055
Published: Sept. 1, 2024
Language: Английский
Effect of shear rate on early Shewanella oneidensis bacterial adhesion dynamics monitored by Deep Learning
Lucie Klopffer,
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Nicolas Louvet,
No information about this author
Simon Becker
No information about this author
et al.
Biofilm,
Journal Year:
2024,
Volume and Issue:
8, P. 100240 - 100240
Published: Nov. 16, 2024
Understanding
pioneer
bacterial
adhesion
is
essential
to
appreciate
colonization
and
consider
appropriate
control
strategies.
This
entrapment
at
the
wall
known
be
controlled
by
many
physical,
chemical
or
biological
factors,
including
hydrodynamic
conditions.
However,
due
nature
of
early
adhesion,
i.e.
a
short
dynamic
process
with
low
biomass
involved,
such
investigations
are
challenging.
In
this
context,
our
study
aimed
evaluate
effect
shear
rate
on
dynamics.
Firstly,
population
scale
assessing
kinetics
mechanisms
responsible
for
transfer
under
rates
using
time-lapse
approach.
Secondly,
individual
scale,
implementing
an
automated
image
processing
method
based
deep
learning
track
each
bacterium
wall.
Bacterial
experiments
performed
model
(
Language: Английский
Confocal Microscopy: Revolutionizing Three-Dimensional Imaging In Biological Research.
African Journal of Biomedical Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 7662 - 7671
Published: Dec. 16, 2024
Confocal
microscopy
is
a
high-resolution
imaging
technique
that
uses
laser
scanning
to
create
sharp,
three-dimensional
images
of
biological
samples,
improving
the
visualization
complex
specimens.Confocal
has
wide
range
applications
including
stem
cell
and
biofilm
analysis,
disease
diagnosis
etc.
owing
its
ability
capture
detailed
cellular
structures,
allowing
for
detection
abnormalities
in
tissue
morphology
organization.The
growing
interest
this
technology
underscores
importance
understanding
foundations
effectively
address
challenges
further
advance
applications.This
review
explores
history,
principles,
confocal
biology,
highlighting
trends,
challenges,
future
advancements
technology.
Language: Английский