Chemiluminescent transition metal complexes: Mechanisms and applications
Coordination Chemistry Reviews,
Год журнала:
2025,
Номер
530, С. 216495 - 216495
Опубликована: Фев. 5, 2025
Язык: Английский
Development of the cobalt-modified boron-doped metal‑nitrogen‑carbon nanoparticles (co-BCN) for the chemiluminescent determination of the total antioxidant capacity of beverages and fruits
Fangying Qian,
D. Zhang,
Yujie Huang
и другие.
Food Chemistry,
Год журнала:
2025,
Номер
485, С. 144517 - 144517
Опубликована: Апрель 25, 2025
Язык: Английский
Enhanced Luminol Chemiluminescence with Oxidase-like Activity of NiOOH/Ni(OH)2 Nanoflakes for the Sensitive Detection of Mn2+
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Май 6, 2025
Abstract
Nickel
hydroxide
nanoflakes
incorporating
amorphous
nickel
oxyhydroxide
(NiOOH/Ni(OH)
2
NFs)
were
synthesized
through
a
chemical
oxidation
approach.
NiOOH/Ni(OH)
2
NFs
maintains
the
two-dimensional
structure
of
Ni(OH)
2
with
an
enlarged
specific
surface
area.
Furthermore,
NiOOH
possesses
abundant
high-valence
active
sites,
endowing
material
remarkable
oxidase-like
activity.
This
catalytic
property
enabled
generation
reactive
oxygen
species
(ROS)
from
dissolved
oxygen,
enhancing
luminol
chemiluminescence
(CL)
intensity
by
over
2,000-fold
without
requiring
external
oxidants.
Mn
2+
significantly
quenched
CL
signal
scavenging
ROS,
enabling
linear
detection
range
1‒30
μmol·L
−1
and
limit
0.60
μmol·L
−1,
which
is
3-fold
lower
than
World
Health
Organization
(WHO)
permissible
(1.80
μmol·L
−1)
for
drinking
water.
The
sensor
was
successfully
applied
to
tap
lake
water
samples,
demonstrating
simplicity,
rapid
response,
high
selectivity,
making
it
promising
method
environmental
monitoring.
Язык: Английский
Optical Detection Techniques for Biomedical Sensing: A Review of Printed Circuit Board (PCB)-Based Lab-on-Chip Systems
Micromachines,
Год журнала:
2025,
Номер
16(5), С. 564 - 564
Опубликована: Май 8, 2025
Lab
on
Printed
Circuit
Boards
(Lab-on-PCB)
technology
has
emerged
as
a
promising
platform,
offering
miniaturization,
integration,
and
cost-effective
fabrication
for
wide
range
of
sensing
applications.
This
review
explores
the
most
common
optical
detection
techniques
implemented
printed
circuit
boards
(PCBs),
including
absorbance,
fluorescence,
chemiluminescence,
discussing
their
working
principles,
advantages,
limitations
in
context
PCB-based
sensing.
Additionally,
evanescent
wave
generation
is
considered
an
alternative
approach
with
benefits
specific
Elements
such
excitation
sources,
photodetectors,
distinguishing
characteristics
each
method
are
analyzed
to
provide
comprehensive,
but
concise,
overview
field.
Emphasis
placed
how
PCB
platform
influences
performance,
sensitivity,
feasibility
these
methods,
highlighting
relevant
design
considerations.
work
aims
solid
foundation
researchers
interested
within
this
technology,
serving
reference
future
developments
applications
detection.
Язык: Английский