ACS Applied Materials & Interfaces,
Год журнала:
2019,
Номер
11(37), С. 33650 - 33658
Опубликована: Авг. 26, 2019
Spectral
computed
tomography
(CT)
imaging
as
a
novel
technique
shows
promising
prospects
in
the
accurate
diagnosis
of
various
diseases.
However,
clinically
iodinated
contrast
agents
suffer
from
poor
signal-to-noise
ratio,
and
emerging
heavy-metal-based
CT
arouse
great
biosafety
concern.
Herein,
we
show
fabrication
rhenium
sulfide
(ReS2)
nanoparticles,
clinic
radiotherapy
sensitizer,
biosafe
spectral
agent
for
gastrointestinal
tract
tumor
theranostics
vivo
by
teaching
old
drugs
new
tricks.
The
ReS2
nanoparticles
were
fabricated
one-pot
facile
method
at
room
temperature,
exhibited
sub-10
nm
size,
favorable
monodispersity,
admirable
aqueous
solubility,
strong
X-ray
attenuation
capability.
More
importantly,
proposed
possess
an
outstanding
ability
undoubted
therapeutic
agent.
Besides,
appealing
photothermal
performance
due
to
their
intense
near-infrared
absorption.
nano-agent
not
only
guarantees
obvious
enhancement
vivo,
but
also
allows
effective
imaging-guided
therapy.
"teaching
tricks"
strategy
shortens
time
cuts
cost
required
clinical
application
nano-agents
based
on
existing
toxicology
testing
trial
results,
lays
down
low-cost,
time-saving,
energy-saving
development
multifunctional
toward
applications.
ACS Nano,
Год журнала:
2020,
Номер
14(2), С. 1715 - 1726
Опубликована: Янв. 28, 2020
Effective
charge
separation
and
rapid
transport
of
photogenerated
carriers
without
self-oxidation
in
transition
metal
dichalcogenide
photocatalysts
are
required
for
highly
efficient
stable
hydrogen
generation.
Here,
we
report
that
a
molecular
junction
as
an
electron
transfer
path
toward
two-dimensional
rhenium
disulfide
(2D
ReS2)
nanosheets
from
zero-dimensional
titanium
dioxide
(0D
TiO2)
nanoparticles
induces
high
efficiency
stability
solar
generation
by
balanced
carriers.
The
junctions
created
through
the
chemical
bonds
between
functionalized
ReS2
(e.g.,
-COOH
groups)
-OH
groups
two-phase
TiO2
(i.e.,
ReS2-C6H5C(═O)-O-TiO2
denoted
ReS2-BzO-TiO2).
This
enhances
energy
at
conduction
band
minimum
ReS2-BzO-TiO2,
leading
to
efficiently
improved
reduction.
Through
(a
Z-scheme
path)
recombination
charges
photocatalyst
restrained,
resulting
photocatalytic
activity
(9.5
mmol
h-1
per
gram
nanosheets,
4750-fold
enhancement
compared
bulk
with
cycling
more
than
20
h.
Our
results
provide
effective
TMDs
preventing
self-oxidation,
increases
durability
rate
ACS Applied Materials & Interfaces,
Год журнала:
2019,
Номер
11(37), С. 33650 - 33658
Опубликована: Авг. 26, 2019
Spectral
computed
tomography
(CT)
imaging
as
a
novel
technique
shows
promising
prospects
in
the
accurate
diagnosis
of
various
diseases.
However,
clinically
iodinated
contrast
agents
suffer
from
poor
signal-to-noise
ratio,
and
emerging
heavy-metal-based
CT
arouse
great
biosafety
concern.
Herein,
we
show
fabrication
rhenium
sulfide
(ReS2)
nanoparticles,
clinic
radiotherapy
sensitizer,
biosafe
spectral
agent
for
gastrointestinal
tract
tumor
theranostics
vivo
by
teaching
old
drugs
new
tricks.
The
ReS2
nanoparticles
were
fabricated
one-pot
facile
method
at
room
temperature,
exhibited
sub-10
nm
size,
favorable
monodispersity,
admirable
aqueous
solubility,
strong
X-ray
attenuation
capability.
More
importantly,
proposed
possess
an
outstanding
ability
undoubted
therapeutic
agent.
Besides,
appealing
photothermal
performance
due
to
their
intense
near-infrared
absorption.
nano-agent
not
only
guarantees
obvious
enhancement
vivo,
but
also
allows
effective
imaging-guided
therapy.
"teaching
tricks"
strategy
shortens
time
cuts
cost
required
clinical
application
nano-agents
based
on
existing
toxicology
testing
trial
results,
lays
down
low-cost,
time-saving,
energy-saving
development
multifunctional
toward
applications.
