ACS Nano,
Год журнала:
2024,
Номер
19(1), С. 1383 - 1395
Опубликована: Дек. 24, 2024
This
paper
describes
the
use
of
layered
conductive
metal-organic
framework
(MOF)
(nickel)3-(hexahydroxytriphenylene)2
[Ni3(HHTP)2]
as
a
model
system
for
understanding
process
self-assembly
within
this
class
materials.
We
confirm
and
quantify
experimentally
role
oxidant
in
synthetic
process.
Monitoring
deposition
Ni3(HHTP)2
with
situ
infrared
spectroscopy
revealed
that
MOF
formation
is
characterized
by
an
initial
induction
period,
followed
linear
growth
respect
to
time.
The
presence
identity
oxidizing
agents
critical
coordination-driven
these
materials
impacts
both
length
period
observed
rate
growth.
A
large
excess
hydrogen
peroxide
results
2×
increase
(9.6
±
6.8
×
10-4
vs
5.0
2.8
min-1)
over
standard
reaction
conditions,
but
leads
large,
irregularly
shaped
particles.
Slower
rates
oxygen
favor
uniformly
sized
nanorods
(98
38
25
6
nm).
These
quantitative
insights
into
mechanism
HHTP-based
provide
valuable
information
about
fundamental
aspects
coordination
polymerization
are
nanoscale
crystal
engineering
structure-property
relationships
Biosensors,
Год журнала:
2024,
Номер
14(10), С. 495 - 495
Опубликована: Окт. 12, 2024
Sweat
is
considered
the
most
promising
candidate
to
replace
conventional
blood
samples
for
noninvasive
sensing.
There
are
many
tools
and
optical
electrochemical
methods
that
can
be
used
detecting
sweat
biomarkers.
Electrochemical
known
their
simplicity
cost-effectiveness.
However,
they
need
optimized
in
terms
of
selectivity
catalytic
activity.
Therefore,
electrode
modifiers
such
as
nanostructures
metal-organic
frameworks
(MOFs)
or
combinations
them
were
examined
boosting
performance
sensors.
The
MOF
structures
prepared
by
hydrothermal/solvothermal,
sonochemical,
microwave
synthesis,
mechanochemical,
methods.
Additionally,
controlling
synthesis
conditions
mixing
bulk
MOFs
with
nanoparticles
(NPs).
In
this
review,
we
spotlight
previously
MOF-based
well
ones
determination
presence
NPs
strongly
improves
electrical
conductivity
structures,
which
poor
conductivity.
Specifically,
Cu-MOF
Co-MOF
biomarkers
lowest
detection
limits.
Different
methods,
amperometric,
voltammetric,
photoelectrochemical,
monitoring
signal
Overall,
these
materials
brilliant
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
The
development
of
portable
electronic
chemical
sensors
is
key
to
solving
a
number
challenges,
including
monitoring
environmental
and
industrial
hazards,
as
well
understanding
improving
human
health.
Framework
materials
possess
several
desirable
characteristics
that
make
them
well-suited
for
electroanalytical
applications,
high
surface
area,
atomically
precise
distribution
active
sites,
tunable
properties
can
be
leveraged
through
modular
reticular
chemistry.
This
review
highlights
the
emergence
conductive
framework
components
in
electrically
transduced
sensors,
new
detection
wide
variety
analytes
both
gas
liquid
phase.
efforts
gain
fundamental
molecular
interactions
sensing
mechanisms
between
are
described,
along
with
applications
these
on
flexible
substrates.
suggests
areas
further
study,
study
material–analyte
at
level
continued
scalable
methods
integration
into
low-power,
devices.
Abstract
Robust
Cu
2
S‐Cu
3
P@C
Nanomatrix
electrode
material
has
been
synthesized
via
a
two‐step
process
involving
carbonization
of
Cu‐MOF,
HKUST‐1,
followed
by
simultaneous
phosphorization
and
sulphurization
the
carbonized
product.
This
seamless
approach
leads
to
efficient
incorporation
highly
active
P
hybrid
nanostructures
within
conductive
carbon
matrix,
exhibiting
exceptional
electrochemical
glucose
sensing
performance.
Synergistic
interactions
between
matrix
boost
electro‐oxidation
kinetics.
The
resulting
displays
broad
linear
response
(0.005–5
mM),
low
detection
limit
(2.3
μM),
high
sensitivity
(10,790
μA
mM
−1
cm
−2
),
with
excellent
selectivity
towards
even
in
presence
interferents.
biomimetic
nanomatrix
catalyst
holds
promise
for
biosensor
development
bioanalysis
clinical
diagnosis.
