Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 22, 2024
Extensive
applications
of
bisphenols
in
industrial
products
have
led
to
their
release
into
aquatic
environments,
causing
a
great
threat
human
health
due
endocrine-disrupting
effects,
whereas
existing
methods
are
difficult
implement
the
rapid
and
high-throughput
detection
multiple
bisphenols.
To
circumvent
this
issue,
we
constructed
sensor
array
using
two
luminescent
metal-organic
frameworks
(LMOFs)
(Zr-BUT-12
Ga-MIL-61)
for
discrimination
six
bisphenol
contaminants
(BPA,
BPS,
BPB,
BPF,
BPAF,
TBBPA).
Wherein,
Zr-BUT-12
Ga-MIL-61
exhibited
different
fluorescence-emission
properties
good
stability.
Interestingly,
with
structures
had
diverse
quenching
effects
on
fluorescence
intensity
via
adsorptive
interaction,
resulting
unique
fluorescent
fingerprints.
Based
pattern
recognition
methods,
were
successfully
identified,
limit
range
1.59-16.7
ng/mL
More
importantly,
developed
could
be
effectively
utilized
distinguishing
ratios
mixed
bisphenols,
which
was
further
applied
real
water
samples.
Consequently,
our
finding
provides
promising
strategy
simultaneous
encourages
development
environmental
monitoring
food
safety.
Langmuir,
Journal Year:
2023,
Volume and Issue:
39(46), P. 16422 - 16431
Published: Nov. 7, 2023
Herein,
a
sensitive
and
selective
electrochemical
sensor
based
on
aptamer
folding
was
constructed
to
detect
aflatoxin
B1
(AFB1)
in
peanuts.
Specifically,
polyethylenimine-functionalized
multiwalled
carbon
nanotubes
modified
with
molybdenum
disulfide
(MoS2@MWCNTs–PEI)
were
used
as
the
electrode
matrix
enable
large
specific
surface
area,
which
characterized
by
Randles–Sevcik
equation.
Additionally,
AuNPs
immobilize
via
Au–S
covalent
bond
provide
favorable
microenvironment
for
signal
enhancement.
Methylene
blue
(MB)
at
proximal
3′
termini
of
capture
probe,
while
transduction
obtained
through
changes
conformation
position
MB
induced
binding
between
AFB1
probe.
Changes
spatial
could
be
recorded
methods
more
readily.
This
aptasensor
demonstrated
remarkable
sensitivity
an
extensive
detection
range
(1
pg/mL
100
ng/mL)
lower
limit
(1.0
×
10–3
ng/mL).
Moreover,
using
aptasensor,
identified
successfully
peanut
samples,
recoveries
ranging
from
95.83
107.53%,
illustrating
its
potential
use
determining
food.
