bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
Abstract
Despite
significant
progress
in
brain
circuit
mapping
over
recent
decades,
a
major
challenge
remains:
no
method
currently
allows
for
the
noninvasive
modulation
of
genetically
and
spatially
defined
neural
populations
while
simultaneously
monitoring
their
global
effects
throughout
body.
Here,
we
present
sonogenetic-fPET,
technique
that
integrates
sonogenetics
with
[
18
F]-2-fluoro-2-deoxy-D-glucose
functional
positron
emission
tomography
(FDG-fPET)
to
overcome
this
challenge.
Sonogenetics
enables
noninvasive,
targeted
neurons
engineered
express
ultrasound-sensitive
ion
channel
TRPV1,
FDG-fPET
captures
glucose
metabolic
changes
triggered
by
stimulation
across
We
demonstrate
effectiveness
targeting
dorsal
striatum,
showcasing
its
capability
map
network
responses
specific
neuronal
activation.
Incorporating
an
acoustic
hologram
further
flexible
different
regions
within
single
mouse
concurrently
resulting
activity.
In
summary,
sonogenetic-fPET
offers
tool
dissecting
body
populations.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(26)
Published: June 17, 2024
Advancing
our
understanding
of
brain
function
and
developing
treatments
for
neurological
diseases
hinge
on
the
ability
to
modulate
neuronal
groups
in
specific
areas
without
invasive
techniques.
Here,
we
introduce
Airy-beam
holographic
sonogenetics
(AhSonogenetics)
as
an
implant-free,
cell
type–specific,
spatially
precise,
flexible
neuromodulation
approach
freely
moving
mice.
AhSonogenetics
utilizes
wearable
ultrasound
devices
manufactured
using
3D-printed
metasurfaces.
These
are
designed
manipulate
neurons
genetically
engineered
express
ultrasound-sensitive
ion
channels,
enabling
precise
modulation
populations.
By
dynamically
steering
focus
Airy
beams
through
frequency
tuning,
is
capable
modulating
populations
within
subregions
striatum.
One
notable
feature
its
flexibly
stimulate
either
left
or
right
striatum
a
single
mouse.
This
flexibility
achieved
by
simply
switching
acoustic
metasurface
device,
eliminating
need
multiple
implants
interventions.
AhSonogentocs
also
integrates
seamlessly
with
vivo
calcium
recording
via
fiber
photometry,
showcasing
compatibility
optical
modalities
cross
talk.
Moreover,
can
generate
double
foci
bilateral
stimulation
alleviate
motor
deficits
Parkinson’s
disease
advancement
significant
since
many
disorders,
including
disease,
involve
dysfunction
regions.
type–specific
procedures,
provides
powerful
tool
investigating
intact
neural
circuits
offers
promising
interventions
disorders.
PLoS Biology,
Journal Year:
2024,
Volume and Issue:
22(10), P. e3002884 - e3002884
Published: Oct. 29, 2024
Our
understanding
of
brain
circuit
operations
and
disorders
has
rapidly
outpaced
our
ability
to
intervene
restore
them.
Developing
technologies
that
can
precisely
interface
with
any
region
may
combine
diagnostics
therapeutic
intervention,
expediting
personalised
medicine.
Transcranial
ultrasound
stimulation
(TUS)
is
a
promising
noninvasive
solution
this
challenge,
offering
focal
precision
scalability.
By
exploiting
the
biomechanics
pressure
waves
on
tissue,
TUS
enables
multi-site
targeted
neuromodulation
across
distributed
circuits
in
cortex
deeper
areas
alike.
In
Essay,
we
explore
emergent
evidence
functionally
test
modify
dysfunctional
regions,
effectively
serving
as
search
rescue
tool
for
brain.
We
define
challenges
opportunities
faced
by
it
moves
towards
greater
target
integration
advanced
monitoring
interventional
technology.
Finally,
propose
roadmap
evolution
progresses
from
research
clinically
validated
disorders.
Brain Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 273 - 273
Published: March 5, 2025
From
Ramon
y
Cajal
and
Golgi’s
histological
techniques
to
single-cell
RNA
sequencing,
technological
innovations
have
long
driven
progress
in
neuroscience
[...]
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Abstract
Acoustic
holography
enables
the
creation
of
tailored
spatiotemporal
wavefield
distributions.
In
this
study,
design
acoustic
holograms
that
simultaneously
control
both
reflected
and
transmitted
fields
are
presented.
This
is
accomplished
through
use
a
bidirectional
metasurface,
which
encodes
phase
desired
wavefront
in
discrete
spatial
distribution
monolithic
sub‐elements.
approach
employed
particular
to
an
optimized
hologram
behaves
as
ideal
Lambertian
scatter
for
reflection
transmission.
The
follows
quadratic‐residue
sequence,
with
theoretical
results
validated
numerically
experimentally.
It
observed
kind
structure
produces
uniform
scattering
response,
high
diffusion
coefficient
approximately
0.7
correlation
0.98
transmission
reflection.
demonstrates
potential
significantly
reduce
imaging
artefacts
ultrafast
ultrasound
techniques
strongly
reverberating
environments,
evidenced
by
examples.
Interdisciplinary materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 29, 2025
ABSTRACT
To
foster
sustainable
development,
a
pivotal
trend
lies
in
harnessing
energy
supplies
that
propel
modern
economic
and
societal
progress.
Recent
advancements
living
materials
for
applications
have
sparked
groundbreaking
research
area:
engineered
(ELEMs),
which
seamlessly
integrate
biological
artificial
systems
efficient
conversion
storage.
consolidate
this
area,
herein,
we
summarize
delve
into
the
evolution
of
ELEMs.
Firstly,
provide
an
overview
structural
features
mechanisms
employed
by
bio‐modules
spanning
proteins,
organelles,
entire
organisms.
They
can
be
directly
used
as
components
constructing
ELEMs
or
inspirations
design
such
entities.
Then,
comprehensively
review
latest
strides
based
on
their
distinct
modes.
Finally,
discuss
challenges
confronting
envision
future
trajectories.
The
progress
holds
immense
potential
to
catalyze
interdisciplinary
endeavors
encompassing
medicine,
environmental
science,
technologies.
Frontiers in Neuroscience,
Journal Year:
2024,
Volume and Issue:
18
Published: Sept. 5, 2024
Ultrasound
is
a
mechanical
wave
that
can
non-invasively
penetrate
the
skull
to
deep
brain
regions
activate
neurons.
Transcranial
focused
ultrasound
neuromodulation
promising
approach,
with
advantages
of
noninvasiveness,
high-resolution,
and
penetration,
which
developed
rapidly
over
past
years.
However,
conventional
transcranial
ultrasound's
spatial
resolution
low-precision
hinders
its
use
in
precision
neuromodulation.
Here
we
focus
on
methods
could
increase
resolution,
gain
modulation
efficiency
at
focal
spot,
potential
mechanisms
In
this
paper,
summarize
strategies
enhance
stimulation,
potentially
improve
technic.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(18), P. 1481 - 1481
Published: Sept. 11, 2024
This
study
introduces
a
novel
thermoacoustic
(TA)
focusing
system
enhanced
by
Airy
beam-based
acoustic
metasurfaces,
significantly
improving
and
efficiency.
The
integrates
TA
emitter,
fabricated
from
carbon
nanotube
(CNT)
films,
with
binary
metasurface
capable
of
generating
quasi-Airy
beams.
Through
finite
element
simulations,
the
system's
heat
conduction,
focusing,
self-healing
properties
were
thoroughly
analyzed.
results
demonstrate
that
achieves
superior
sub-wavelength
tunable
focal
length
via
frequency
control,
robust
self-healing,
even
in
presence
obstacles.
These
findings
address
current
limitations
emitters
suggest
broader
applications
medical
ultrasound
advanced
technology.
IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control,
Journal Year:
2024,
Volume and Issue:
72(1), P. 127 - 140
Published: Dec. 2, 2024
Ultrasound
neuromodulation
(UNM)
has
gained
significant
interest
in
brain
science
due
to
its
non-invasive
nature,
precision,
and
deep
stimulation
capabilities.
However,
the
skull
poses
challenges
along
acoustic
path,
leading
beam
distortion
necessitating
effective
aberration
correction.
Acoustic
holograms
used
with
single-element
ultrasound
transducers
offer
a
promising
solution
by
enabling
both
correction
multi-focal
stimulation.
A
major
limitation,
however,
is
that
hologram
lenses
designed
for
specific
skulls
may
not
perform
well
on
other
skulls,
requiring
multiple
custom
scaled
studies.
To
address
this,
we
introduce
Skull-Universal
Hologram
(SUAH),
which
enables
efficient
transcranial
UNM
across
various
types.
Our
generation
framework
integrates
physics-based
hologram,
differentiable
simulation
heterogeneous
media,
gradient
accumulation
technique.
SUAH,
trained
range
of
rodent
shapes,
demonstrated
remarkable
generalizability
robustness,
even
outperforming
Skull-Specific
(SSAH).
Through
comprehensive
analyses,
showed
SUAH
performs
exceptionally
well-even
when
smaller
datasets-significantly
training
based
individual
skulls.
In
conclusion,
shows
promise
as
scalable,
versatile,
accurate
tool
neuromodulation,
representing
advancement
over
conventional
single-skull
lenses.
Its
ability
adapt
different
types
without
need
potential
greatly
facilitate
research
neuromodulation.