Computational microscopy with coherent diffractive imaging and ptychography
Nature,
Journal Year:
2025,
Volume and Issue:
637(8045), P. 281 - 295
Published: Jan. 8, 2025
Language: Английский
Functional mapping of the molluscan brain guided by synchrotron X-ray tomography
Proceedings of the National Academy of Sciences,
Journal Year:
2025,
Volume and Issue:
122(9)
Published: Feb. 27, 2025
Molluscan
brains
are
composed
of
morphologically
consistent
and
functionally
interrogable
neurons,
offering
rich
opportunities
for
understanding
how
neural
circuits
drive
behavior.
Nonetheless,
detailed
component-level
CNS
maps
often
lacking,
total
neuron
numbers
unknown,
organizational
principles
remain
poorly
defined,
limiting
a
full
systematic
characterization
circuit
operation.
Here,
we
establish
an
accessible,
generalizable
approach,
harnessing
synchrotron
X-ray
tomography,
to
rapidly
determine
the
three-dimensional
structure
multimillimeter-scale
Lymnaea
.
Focusing
on
feeding
ganglia,
generate
neuron-level
reconstruction,
revealing
key
design
revising
cell
count
estimates
upward
threefold.
Our
atlas
uncovers
superficial
but
also
nonsuperficial
ganglionic
architecture,
reveals
organization
in
normally
hidden
regions—ganglionic
“dark
sides”—and
details
features
single-neuron
morphology,
together
guiding
targeted
follow-up
functional
investigation
based
intracellular
recordings.
Using
this
identify
three
pivotal
classes:
command-like
food-signaling
type,
central
pattern
generator
interneuron,
unique
behavior-specific
motoneuron,
significantly
advancing
function
classical
control
circuit.
Combining
our
morphological
electrophysiological
data,
as
shared
scalable
resource
research
community.
approach
enables
rapid
construction
atlases
large-scale
nervous
systems,
with
relevance
interrogation
diverse
range
model
organisms.
Language: Английский
3D virtual histology of rodent and primate cochleae with multi-scale phase-contrast X-ray tomography
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 7, 2025
Multi-scale
X-ray
phase
contrast
tomography
(XPCT)
enables
three-dimensional
(3D),
non-destructive
imaging
of
intact
small
animal
cochlea
and
apical
cochlear
turns.
Here
we
report
on
post-mortem
excised
non-human
primate
rodent
cochleae
at
different
[Formula:
see
text]-CT
nano-CT
synchrotron
instruments.
We
explore
sample
embeddings,
stainings
regimes.
Under
optimized
conditions
preparation,
instrumentation,
protocol,
retrieval,
high
image
quality
detail
level
can
be
achieved
in
3D
reconstructions.
The
showcased
instrumentation
protocols
along
with
the
reconstucted
volumes
serve
as
benchmarks
reference
for
multi-scale
microanatomy
histology.
provided
this
work
cover
a
wide
range
scales
are
intended
augmented
tools
auditory
research.
Language: Английский
Comparison of Soft X-ray Spectro-Ptychography and Scanning Transmission X-ray Microscopy
Journal of Electron Spectroscopy and Related Phenomena,
Journal Year:
2024,
Volume and Issue:
unknown, P. 147487 - 147487
Published: Sept. 1, 2024
Language: Английский
Synchrotron X-ray imaging of soft biological tissues – principles, applications and future prospects
Jonas Albers,
No information about this author
Angelika Svetlove,
No information about this author
Elizabeth Duke
No information about this author
et al.
Journal of Cell Science,
Journal Year:
2024,
Volume and Issue:
137(20)
Published: Oct. 15, 2024
Synchrotron-based
tomographic
phase-contrast
X-ray
imaging
(SRµCT
or
SRnCT)
is
a
versatile
isotropic
three-dimensional
technique
that
can
be
used
to
study
biological
samples
spanning
from
single
cells
human-sized
specimens.
SRµCT
and
SRnCT
take
advantage
of
the
highly
brilliant
coherent
X-rays
produced
by
synchrotron
light
source.
This
enables
fast
data
acquisition
enhanced
image
contrast
for
soft
owing
exploitation
phase
contrast.
In
this
Review,
we
provide
an
overview
basics
behind
technique,
discuss
its
applications
biologists
outlook
on
future
emerging
biology.
We
introduce
latest
advances
in
field,
such
as
whole
human
organs
imaged
with
micron
resolution,
using
tool
virtual
histology
resolving
neuronal
connections
brain.
Language: Английский