A turn-on fluorescent chemical sensor based on imidazole-Schiff base structure for highly selective and accurate detection of Al3+ ions in living cells
Abstract
An
imidazole-Schiff
base
fluorescent
probe
EBI
was
designed
and
synthesized
for
the
sensitive
selective
detection
of
Al3+.
The
exhibits
good
anti-interference
performance
against
Al3+
in
presence
multiple
metal
ions.
reaction
reached
platform
about
30
min
after
adding
Al3+,
fluorescence
limit
1.62
nM.
coordination
ratio
to
is
1:1,
between
carbonyl
group,
hydroxyl
–HN–N=C–
limits
molecular
distortion
quenching
effect
photoelectron
transfer,
thus
inducing
enhancement
green
fluorescence.
can
be
recovered
used
alternately
by
EDTA
In
addition,
EBI–Al3+
PO43−
also
evident
selected
anion
range.
applied
successful
monitoring
living
cells.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown
Published: March 3, 2025
Language: Английский