Microwave and Optical Technology Letters,
Год журнала:
2025,
Номер
67(4)
Опубликована: Апрель 1, 2025
ABSTRACT
Diabetes
presents
a
major
global
health
challenge,
with
an
increasing
prevalence
worldwide.
Early
detection
and
continuous
glucose
monitoring
are
pivotal
to
effective
diabetes
management.
Optical
sensing
is
promising
noninvasive
alternative
traditional
methods,
such
as
finger‐prick
blood
tests.
This
study
explores
the
cutting‐edge
techniques
employed
in
optical
sensing,
Fluorescence,
Raman
spectroscopy,
near‐infrared
spectroscopy.
Recent
advancements
nanotechnology,
photonic
materials,
machine
learning
algorithms
discussed,
focusing
on
overcoming
current
limitations.
The
integration
of
these
technologies
propelling
development
highly
sensitive,
accurate,
real‐time
systems.
Despite
challenges
calibration
complexities,
biological
interference,
limited
tissue
penetration,
ongoing
research
innovative
solutions
adaptive
AI‐driven
calibration,
multi‐layer
improved
light
source
addressing
promises
transform
management
by
enabling
continuous,
personalized,
proactive
care.in
this
article,
we
highlight
potential
revolutionizing
care
its
role
future
personalized
medicine.
Microchimica Acta,
Год журнала:
2025,
Номер
192(2)
Опубликована: Янв. 15, 2025
Abstract
The
hydrothermal
synthesis
is
presented
of
copper-doped
carbon
dots
(Cu-CDs)
from
citric
acid,
urea,
and
copper
chloride,
resulting
in
blue-fluorescent
particles
with
stable
emission
at
438
nm
when
excited
340
nm.
Through
comprehensive
spectroscopic
microscopic
characterization
(FTIR,
XPS,
UV,
HRTEM),
the
Cu-CDs
demonstrated
remarkable
stability
across
varying
pH
levels,
ionic
strengths,
temperatures,
UV
exposure.
Notably,
exhibit
ultra-sensitive
selective
detection
hexavalent
chromium
[Cr(VI)]
ions
aqueous
environments
driven
by
fluorescence
quenching.
system
showed
a
robust
linear
response
to
Cr(VI)
0–80
µM
range,
an
impressive
limit
(LOD)
0.186
µM,
significantly
lower
than
WHO’s
permissible
0.96
µM.
These
findings
position
as
effective
tool
for
environmental
monitoring
water
safety
applications.
Graphical
Nanomaterials,
Год журнала:
2025,
Номер
15(6), С. 436 - 436
Опубликована: Март 12, 2025
It
is
of
great
significance
to
develop
carbon
quantum
dots
(CQDs)
using
green
sources,
which
are
cheap,
non-toxic
and
harmless,
further
expand
their
application
scopes,
e.g.,
fluorescence
sensors,
blue
light
screening.
In
this
study,
we
have
prepared
Peperomia
tetraphylla-based
(PT-CQDs)
with
strong
water
solubility,
good
salt
resistance,
specific
quenching
reactions
excellent
optical
properties
via
a
simple
one-step
hydrothermal
method.
one
application,
PT-CQDs
utilized
as
sensor
due
high
selectivity
sensitivity
ferric
ions
(Fe3+).
The
limit
detection
(LOD)
was
2.7
μmol·L−1.
On
the
other
hand,
PT-CQDs/polyvinyl
alcohol
(PVA)
films
ultraviolet-
(UV)
high-energy
(HEBL)-blocking
were
obtained.
obtained
exhibited
weight
blocking
rate
100%
in
UV
80%
HEBL.
concentrations
composites
could
also
be
controlled
achieve
desired
light-blocking
rate.
addition,
able
absorb
convert
it
forms
light.
These
suggest
potential
applications
development
advanced
screening
sensors.
