A covalent-organic framework-based platform for simultaneous smartphone detection and degradation of aflatoxin B1
Talanta,
Год журнала:
2024,
Номер
278, С. 126505 - 126505
Опубликована: Июль 2, 2024
Язык: Английский
Fe3O4@ag@Pt nanoparticles with multienzyme like activity for total antioxidant capacity assay
Food Chemistry,
Год журнала:
2025,
Номер
473, С. 143064 - 143064
Опубликована: Янв. 25, 2025
Язык: Английский
High-Loading Copper Cluster Nanozymes for Enhancing Antioxidant Activity
ACS Applied Nano Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 22, 2025
Язык: Английский
Tuning Atomically Dispersed Metal Sites in Nanozymes for Sensing Applications
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
Nanozymes
with
atomically
dispersed
metal
sites
(ADzymes),
especially
single‐atom
nanozymes,
have
attracted
widespread
attention
in
recent
years
due
to
their
unique
advantages
mimicking
the
active
of
natural
enzymes.
These
nanozymes
not
only
maximize
exposure
catalytic
but
also
possess
superior
activity
performance,
achieving
challenging
reactions.
position
ADzymes
as
highly
promising
candidates
field
sensing
and
biosensing.
This
review
summarizes
classification
properties
ADzymes,
systematically
highlighting
some
typical
regulation
strategies
involving
central
metal,
coordination
environment,
etc.,
achieve
catalytical
activity,
specificity,
multifunctionality.
Then,
we
present
advances
different
fields,
including
colorimetry,
fluorescence,
electrochemistry,
chemiluminescence,
photoelectrochemistry,
electrochemiluminescence.
Taking
advantage
resultant
show
great
potential
goal
sensitivity,
selectivity
accuracy
for
detection
various
targets.
Specifically,
underlying
mechanisms
terms
signal
amplification
were
discussed
detail.
Finally,
current
challenges
perspectives
on
development
advanced
are
discussed.
Язык: Английский
Tuning Atomically Dispersed Metal Sites in Nanozymes for Sensing Applications
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
Nanozymes
with
atomically
dispersed
metal
sites
(ADzymes),
especially
single‐atom
nanozymes,
have
attracted
widespread
attention
in
recent
years
due
to
their
unique
advantages
mimicking
the
active
of
natural
enzymes.
These
nanozymes
not
only
maximize
exposure
catalytic
but
also
possess
superior
activity
performance,
achieving
challenging
reactions.
position
ADzymes
as
highly
promising
candidates
field
sensing
and
biosensing.
This
review
summarizes
classification
properties
ADzymes,
systematically
highlighting
some
typical
regulation
strategies
involving
central
metal,
coordination
environment,
etc.,
achieve
catalytical
activity,
specificity,
multifunctionality.
Then,
we
present
advances
different
fields,
including
colorimetry,
fluorescence,
electrochemistry,
chemiluminescence,
photoelectrochemistry,
electrochemiluminescence.
Taking
advantage
resultant
show
great
potential
goal
sensitivity,
selectivity
accuracy
for
detection
various
targets.
Specifically,
underlying
mechanisms
terms
signal
amplification
were
discussed
detail.
Finally,
current
challenges
perspectives
on
development
advanced
are
discussed.
Язык: Английский
Highly sensitive hydrolytic nanozyme–based sensors for colorimetric detection of aluminum ions
Analytical and Bioanalytical Chemistry,
Год журнала:
2024,
Номер
416(27), С. 5985 - 5992
Опубликована: Авг. 1, 2024
Язык: Английский
Enhanced colorimetric analysis substrate based on graphene oxide open-close actuator
Jun Xu,
Mingfang Gui,
Zifeng Li
и другие.
Sensors and Actuators B Chemical,
Год журнала:
2024,
Номер
423, С. 136748 - 136748
Опубликована: Окт. 8, 2024
Язык: Английский
Copper ions coordination-promoted self-assembly of DNA nanoflowers as cascade catalytic nanoreactor for colorimetric biosensor
Talanta,
Год журнала:
2024,
Номер
282, С. 127049 - 127049
Опубликована: Окт. 15, 2024
Язык: Английский
Dual-mode electrochemical and electrochemiluminescence detection of dopamine based on perylene diimide self-assembly material
Microchimica Acta,
Год журнала:
2024,
Номер
191(11)
Опубликована: Окт. 31, 2024
Язык: Английский
Antioxidants Recognition Colorimetric Sensor Array Based on Multicolor System
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 18, 2024
ABSTRACT
A
colorimetric
sensor
array
with
three
identification
signals
has
been
developed
to
visually
recognize
five
antioxidants
based
on
CuFe
Prussian
blue
analogs
nanocubes
(CuFe
PBA
NCs)
and
3,3′,5,5′‐tetramethylbenzidine
(TMB).
The
NCs
can
oxidize
TMB
produce
ultraviolet–visible
(UV–Vis)
absorption
peaks
at
different
wavelengths
(370,
450,
650
nm).
Depending
the
reduction
capacity
of
dopamine,
cysteine,
ascorbic
acid,
glutathione,
melatonin,
redox
process
be
inhibited
varying
degrees,
resulting
in
changes
signal
generation
elements.
And
presence
antioxidants,
color
solution
also
degrees.
Five
(20
μM)
identified
by
this
array,
accuracy
was
100%
for
40
unknown
antioxidants.
In
addition,
these
quantified
regression
equation
between
concentration
absorbance
change.
correlation
coefficient
is
greater
than
0.990,
detection
limit
less
3.5
μM.
Язык: Английский