The
presence
of
Hg
2+
causes
substantial
stress
to
plants,
adversely
affecting
growth
and
health
by
disrupting
cell
cycle
divisions,
photosynthesis,
ionic
homeostasis.
Accurate
visualization
the
spatiotemporal
distribution
in
plant
tissues
is
crucial
for
management
pollution;
however,
related
research
still
at
its
early
stage.
Herein,
a
small-molecule
amphiphilic
fluorescent
probe
(termed
LJTP2
)
was
developed
specific
detection
with
high
sensitivity
(~16
nM).
Fluorescent
imaging
applications
not
only
detected
dynamic
within
cells
subcellular
level
but
also
enabled
understanding
membrane
under
stress.
This
study
introduces
valuable
tool
elucidating
molecular
mechanism
demonstrating
potential
application
probes
science.
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 15, 2025
The
high
selectivity
and
reversibility
of
metal
coordination
enable
precise
modulation
the
structural
morphology
supramolecular
assemblies,
which
is
essential
for
development
intelligent
application
functionalized
materials.
In
this
study,
sheet-like
assemblies
(Pyr-O@tQ[14])
constructed
by
twisted
cucurbit[14]urils
(tQ[14])
pyrene
derivatives
(Pyr-O)
through
host-guest
interactions,
exhibit
excellent
optical
properties,
achieves
highly
sensitive
detection
Hg2+
fluorescence
quenching,
with
a
limit
0.177
μM.
A
novel
smart
platform,
compatible
smartphones,
developed
to
enhance
efficiency
practicality
practical
applications.
From
microscopic
perspective,
adjusting
concentration
can
change
Pyr-O@tQ[14]
from
lamellar
square
finally
spherical,
demonstrating
dynamic
control
assembly
structure
in
response
environmental
stimuli.
This
study
not
only
presents
efficient
quantitative
sensing
platform
but
also
highlights
unique
advantages
tQ[14]
constructing
tunable,
responsive
structures,
opening
new
avenues
design
synthesis
advanced
