Chlortetracycline
(CTC)
belonging
to
the
tetracyclic
antibiotic
family
is
widely
used
for
bacteria
inhibition,
however
residual
CTC
caused
by
misuse
and
overuse
may
threaten
human
health.
Effective
sensing
tools
precise
measurement
in-situ
imaging
of
are
urgently
needed
further
investigation,
but
still
in
challenging.
Here,
we
took
indicator-displacement
assay
(IDA)-based
strategy
construct
a
simple
host-guest
system
(C3@BSA)
as
novel
probe
CTC.
This
exhibited
ratiometric
response
type,
fast
responding
time
(10
s),
satisfied
sensitivity
(LOD:
110
ppb),
excellent
selectivity
(over
seven
antibiotics)
anti-interference
over
common
ions
amino
acids.
Based
on
these
performance,
applied
this
quantitative
determination
first
observed
living
cells
under
dual-channel
based
mode.
Biomaterials Science,
Journal Year:
2024,
Volume and Issue:
12(9), P. 2229 - 2243
Published: Jan. 1, 2024
Nanozymes,
a
distinctive
class
of
nanomaterials
with
enzyme-like
activity
and
kinetics
akin
to
enzyme-catalysed
reactions,
present
several
advantages
over
natural
enzymes,
including
cost-effectiveness,
heightened
stability,
adjustable
activity.
