Mechanistic Innovations in Fluorescent Chemosensors for Detecting Toxic Ions: PET, ICT, ESIPT, FRET and AIE Approaches
Duraisamy Udhayakumari
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Journal of Fluorescence,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 17, 2024
Language: Английский
Recent Developments in Colorimetric and Fluorimetric Chemosensors for the Detection of Mn 2+ Ions: A Review (2010–2024)
Critical Reviews in Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 21
Published: Feb. 19, 2025
Manganese
is
an
essential
metal
ion
involved
in
various
biological
and
environmental
processes,
but
its
excess
can
lead
to
toxicity,
particularly
affecting
the
nervous
system.
Therefore,
developing
selective
sensitive
detection
methods
for
Mn2+
ions
of
paramount
importance.
Colorimetric
fluorimetric
chemosensors
have
emerged
as
promising
tools
due
their
simplicity,
cost-effectiveness,
real-time
monitoring
capabilities.
This
review
discusses
recent
advances
colorimetric
that
exhibit
distinct
color
or
fluorescence
changes
upon
interaction
with
ions.
The
explores
different
organic
nanomaterials,
focusing
on
mechanisms
sensing,
sensitivity,
selectivity,
practical
applications
monitoring,
healthcare,
food
safety.
article
also
provides
insights
into
future
research
directions
aimed
at
overcoming
these
challenges,
improving
chemosensor
performance,
expanding
applicability
diverse
real-world
scenarios.
Language: Английский
On-spot detection of diethylchlorophosphate through device fabrication, pen and spray method based on intramolecular charge transfer modulated sensor molecule extending application to cell imaging
Microchemical Journal,
Journal Year:
2024,
Volume and Issue:
205, P. 111369 - 111369
Published: Aug. 5, 2024
Language: Английский
Comparative Study of Fluorophores for Precise Dopamine Detection and Investigation of Its Association with Stress and Coffee Addiction in HEK 293 Cells
ACS Applied Bio Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
In
today's
world,
where
stress
and
addiction
are
increasingly
prevalent
due
to
job
pressures
coping
mechanisms,
dopamine
(Dopa),
a
key
hormone
linked
mood,
happiness,
mental
health,
has
become
vital
for
understanding
conditions
like
depression
anxiety.
Our
study
focuses
on
detecting
Dopa
pathways
both
in
vitro
using
HEK293
cells
vivo
zebrafish
under
conditions.
We
employed
biocompatible
organic
fluorophore
(P1),
with
pyrazole-4-carboxaldehyde
as
the
recognition
unit,
which
demonstrated
detection
limit
of
8.2
nM,
aligning
physiological
levels.
P1's
efficacy
was
validated
human
samples
(urine,
blood,
serum)
artificial
samples,
confirming
its
potential
real-world
applications.
This
research
is
crucial
developing
better
diagnostic
tools
therapies
dopamine-related
disorders,
offering
significant
societal
benefits
addressing
health
challenges.
Language: Английский
Dual-mode sensing with L-phenylalanine-stabilized copper nanoparticles: Real-time detection of Fe3+ and pH monitoring
Nano-Structures & Nano-Objects,
Journal Year:
2024,
Volume and Issue:
40, P. 101357 - 101357
Published: Sept. 21, 2024
Language: Английский
Next-Generation Phosgene Detection: Convolutional Neural Network with Triphenylamine and N-Salicylaldehyde Probes for Enhanced Sensitivity and Bioimaging
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Phosgene
is
a
highly
toxic
gas
that
widely
used
in
various
industries,
making
its
rapid
detection
essential
for
safety.
To
address
this
need,
we
developed
smartphone-based
technique
using
convolutional
neural
networks
(CNNs)
real-time,
portable
phosgene
detection.
Unlike
traditional
fluorescence
spectroscopy,
which
requires
specialized
equipment
and
expertise,
CNN-based
approach
accessible
affordable
offers
quick
analysis,
it
ideal
on-the-spot
We
employed
method
to
identify
toxicity
solutions
ranging
from
0
10
ppm
by
analyzing
images
of
the
solutions.
Specifically,
intramolecular
charge
transfer
(ICT)-based
TPAOD
SAHY
probes
detect
through
turn-off
turn-on
fluorescence,
with
limits
19.44
nM
(0.00759
ppm)
34.89
(0.00817
ppm),
respectively.
A
lifetime
study
confirmed
quenching
mechanism
operates
static
quenching.
The
probe
was
utilized
CNN
model
also
tested
cell
imaging
studies
HeLa
cells.
Language: Английский
Synthesis of the fluorescent polymer containing pyrene and its application in the detection of tea polyphenol
Chenglin Yi,
No information about this author
Chunyan Xu,
No information about this author
Xiaoyan Zhao
No information about this author
et al.
Polymer Engineering and Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
Abstract
Tea
polyphenol
(TP)
is
used
as
a
food
additive
to
inhibit
lipid
peroxidation
reactions
and
extend
shelf
life,
but
excessive
intake
can
affect
the
human
immune
system.
Therefore,
developing
effective
TP
detection
significant.
Here,
pyrene‐based
polyimide
(Py‐PI)
was
synthesized
by
one‐step
condensation
copolymerization.
This
possessed
excellent
solubility
photoluminescence
due
introduction
of
pyrene‐conjugated
groups.
It
could
be
fluorescent
probe
for
in
solution.
In
addition,
Py‐PI
test
paper
with
different
morphology
were
prepared
electrospinning.
As
concentration
spinning
solution
15
wt%,
bead‐like
porous
polymer
electrospun
membrane
displayed
surface
wettability
which
make
water
droplet
completely
penetrate
into
sample
within
6
min.
The
fluorescence
enhancement
phenomenon
observed
5
×
10
−6
mg/mL
on
paper.
Furthermore,
interference
investigation
pH
indicated
that
exhibited
relatively
stable
“turn‐on”
response
acidic
conditions.
work
provides
convenient
rapid
antioxidant
future.
Language: Английский