ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(31), С. 41363 - 41370
Опубликована: Июль 26, 2024
There
is
a
synergy
between
coordination
chemistry
and
supramolecular
that
has
led
to
the
development
of
innovative
hierarchical
composites
with
diverse
functionalities.
Here,
we
present
novel
approach
for
synthesis
characterization
metal–organic
framework
on
fullerene
(MOFOF)
composites,
achieved
through
integration
principles.
The
nature
MOFOF
harnesses
inherent
properties
frameworks
fullerenes.
two-step
procedure
involves
controlled
assembly
fullerenes
as
tube-like
nanostructures
(fullerene
nanotube:
FNT),
their
surface
functionalization,
on-surface
growth
MOF
(in
this
case,
ZIF-67).
method
permits
precise
tuning
morphology,
effective
distribution
MOF-on-FNT,
tight
compositional
control.
materials
were
comprehensively
structurally
characterized
using
electron
microscopy,
spectroscopic
techniques,
other
methods
elucidate
unique
features
interactions
within
composites.
main
findings
reveal
demonstrate
successful
designing
fabricating
advanced
tailored
properties,
including
micro-
mesopore
channels,
interfacial
facets,
defect
sites.
These
are
expected
lead
numerous
potential
applications
such
gas
storage
separation,
catalysis,
sensing,
energy
storage,
environmental
remediation.
However,
only
capability
acid
vapor
sensing
was
tested
described
here.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(17), С. 20793 - 20803
Опубликована: Авг. 15, 2024
The
conventional
notion
is
that
enzymes,
natural
and
nanozymes,
exhibit
peak
activity
solely
within
defined
psychrophilic
or
thermophilic
conditions.
This
work
challenges
the
by
preparing
a
highly
efficient
oxidase-mimic
of
Ag-based
metal–organic
frameworks
(MOFs)
(referred
to
as
UoZ-3;
UoZ
stands
for
University
Zakho),
which
effectively
in
wide-range
temperatures.
breakthrough
not
only
widens
working
temperature
range
but
also
overcomes
instability
problem
hydrogen
peroxide
limited
use
peroxidase-based
applications.
UoZ-3
showed
lower
Michaelis–Menten
constants
compared
silver
nanoparticles
ions.
Surprisingly,
cold/hot
adapted
nanozyme
exhibited
sensitivity
both
hydrogen-atom
transfer
single-electron
reactions
with
reducing
agents,
encompassing
all
antioxidant
species
are
relevant
physiological
contexts.
Furthermore,
visual-based
platform
integrated
smartphone
was
established
successfully
applied
total
capacity
detection
various
temperatures
breast
cancer
patients.
will
open
an
avenue
research
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
Red-emitting
metal-organic
frameworks
(MOFs)
are
still
mostly
based
on
the
use
of
lanthanides
or
functionalization
with
red
fluorophores.
However,
production
transition-metal-based
MOFs
red-emitting
is
scarce.
This
work
reports
synthesis
a
novel
dual-state
Zn-based
MOF
(denoted
as
UoZ-7)
capability
to
detect
target
molecules
in
dual
state,
solution,
and
solid
paper.
UoZ-7
gives
strong
emission
when
excited
solution
state
365
nm
ultraviolet
(UV)
lamp
irradiation.
Coordination-induced
mechanism
for
enhancement
restriction
intramolecular
rotation
occurred
ligand
within
framework
structure.
was
successfully
used
tetracycline
(TC)
using
dual-mode
detection,
fluorescence-based
ratiometry,
color
tonality,
TC
adsorb
surface,
yellow-greenish
emerges
due
aggregation-induced
between
UoZ-7.
Concurrently,
inner
filter
effect
diminishes
The
detection
platform
provides
simple
reliable
fast
method
on-site
various
environmental
biomedical
applications.
Moreover,
will
have
further
luminescence-based