Nanoscale,
Journal Year:
2021,
Volume and Issue:
13(39), P. 16769 - 16780
Published: Jan. 1, 2021
The
Rashba
effect
has
been
proposed
to
give
rise
a
bright
exciton
ground
state
in
halide
perovskite
nanocrystals
(NCs),
resulting
very
fast
radiative
recombination
at
room
temperature
and
extremely
low
temperature.
In
this
paper
we
find
the
dispersion
of
"Rashba
exciton",
i.e.,
whose
bulk
reflects
large
spin-orbit
terms
conduction
valence
bands
thus
minima
non-zero
quasi-momenta.
Placing
excitonsin
quasi-2D
cylindrical
quantum
dots,
calculate
size-dependent
levels
confined
excitons
their
oscillator
transition
strengths.
We
consider
implications
model
for
two-dimensional
hybrid
organic-inorganic
perovskites,
discuss
generalizations
3D
NCs,
establish
criteria
under
which
could
be
realized.
Thoracic Cancer,
Journal Year:
2024,
Volume and Issue:
15(8), P. 654 - 660
Published: Jan. 31, 2024
Abstract
Background
Circulating
tumor
cells
(CTCs)
play
a
crucial
role
in
the
early
diagnosis
and
prognosis
of
lung
cancer.
Identification
more
suitable
sample
source
could
be
breakthrough
towards
enhancing
CTC
detectability
early‐stage
We
investigated
differences
detectable
CTCs
between
peripheral
arterial
venous
blood
early‐
mid‐stage
cancer
patients
undergoing
surgery
analyzed
association
clinicopathological
factors
blood.
Methods
Peripheral
was
collected
5‐mL
samples
from
56
with
surgically
resected
pathologically
clear
at
or
Blood
specimens
were
enriched
for
based
on
isolation
by
size
epithelial
cells.
The
identified
using
Swiss
Giemsa
staining
immunohistochemistry
CD45/CD31.
Results
In
stage
I
cancer,
CTC‐positive
rate
significantly
higher
than
(45.45%
vs.
17.39%).
There
no
significant
difference
number
A
low
degree
differentiation
associated
high
positive
circulating
microemboli
>3
cm
compared
≤3
cm.
Conclusion
levels
differed
little
patients.Compared
to
blood,
had
positivity
cancer.This
study
favorable
detection
monitoring
Journal of Biomedical Optics,
Journal Year:
2022,
Volume and Issue:
27(09)
Published: Sept. 16, 2022
SignificanceDiffuse
in
vivo
flow
cytometry
(DiFC)
is
an
emerging
technique
for
enumerating
rare
fluorescently
labeled
circulating
cells
noninvasively
the
bloodstream.
Thus
far,
we
have
reported
red
and
blue-green
versions
of
DiFC.
Use
near-infrared
(NIR)
fluorescent
light
would
principle
allow
use
DiFC
deeper
tissues
be
compatible
with
NIR
fluorescence
molecular
contrast
agents.AimWe
describe
design
a
NIR-DiFC
instrument
demonstrate
its
optical
phantoms
vitro
mice
vivo.ApproachWe
developed
improved
fiber
probe
efficient
collection
from
individual
rejection
autofluorescence.
We
built
instrument.
tested
this
microspheres
cell
lines
OTL38
agent
phantom
model.
also
nude
injected
intravenously
OTL38-labeled
L1210A
cells.ResultsNIR-DiFC
allowed
detection
tumor
(CTCs)
mean
signal-to-noise
ratios
(SNRs)
19
to
32
dB.
In
mice,
CTCs
were
detectable
SNR
26
exhibited
orders
significantly
lower
autofluorescence
false-alarm
rates
than
DiFC.ConclusionsNIR-DiFC
allows
agents.
Our
work
could
pave
way
future
humans.
Journal of Biophotonics,
Journal Year:
2023,
Volume and Issue:
16(9)
Published: June 2, 2023
Abstract
Flow
cytometry
(FC)
is
a
versatile
tool
with
excellent
capabilities
to
detect
and
measure
multiple
characteristics
of
population
cells
or
particles.
Notable
advancements
in
vivo
photoacoustic
FC,
coherent
Raman
microfluidic
so
on,
have
been
achieved
the
last
two
decades,
which
endows
FC
new
functions
expands
its
applications
basic
research
clinical
practice.
Advanced
broadens
tools
available
researchers
conduct
involving
cancer
detection,
microbiology
(COVID‐19,
HIV,
bacteria,
etc.),
nucleic
acid
analysis.
This
review
presents
an
overall
picture
advanced
flow
cytometers
provides
not
only
clear
understanding
their
mechanisms
but
also
insights
into
practical
applications.
We
identify
latest
trends
this
area
aim
raise
awareness
techniques
FC.
hope
accelerates
translation.
Frontiers in Photonics,
Journal Year:
2022,
Volume and Issue:
3
Published: May 9, 2022
Our
team
recently
developed
“Diffuse
in
vivo
Flow
Cytometry”
(DiFC)
for
detection
and
enumeration
rare
circulating
tumor
cells
(CTCs)
mice
with
highly-scattered
fluorescent
light.
We
have
used
DiFC
to
study
dissemination
of
CTCs
a
number
mouse
models
metastasis
protein
expressing
cells.
Because
uses
diffuse
light
interrogates
large
blood
vessels
relatively
deep
tissue,
principle
it
could
be
translated
larger
limbs,
species,
even
humans
clinically.
In
this
perspective,
we
discuss
the
technical
challenges
human
translation
context
current
state
technology,
as
well
potential
strategies
labeling
targeted
molecular
probes.
also
advantages
disadvantages
clinical
tool.
principle,
represent
powerful
complementary
technique
(to
liquid
biopsy
draws)
accurate
sensitive
measurement
changes
CTC
numbers
over
time.
Nanoscale,
Journal Year:
2021,
Volume and Issue:
13(39), P. 16769 - 16780
Published: Jan. 1, 2021
The
Rashba
effect
has
been
proposed
to
give
rise
a
bright
exciton
ground
state
in
halide
perovskite
nanocrystals
(NCs),
resulting
very
fast
radiative
recombination
at
room
temperature
and
extremely
low
temperature.
In
this
paper
we
find
the
dispersion
of
"Rashba
exciton",
i.e.,
whose
bulk
reflects
large
spin-orbit
terms
conduction
valence
bands
thus
minima
non-zero
quasi-momenta.
Placing
excitonsin
quasi-2D
cylindrical
quantum
dots,
calculate
size-dependent
levels
confined
excitons
their
oscillator
transition
strengths.
We
consider
implications
model
for
two-dimensional
hybrid
organic-inorganic
perovskites,
discuss
generalizations
3D
NCs,
establish
criteria
under
which
could
be
realized.
