The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(24), P. 10065 - 10074
Published: June 10, 2024
The
detection
of
bisphenol
A
(BPA)
in
wastewater
is
imperative
due
to
its
significant
environmental
impact.
In
this
research,
we
devised
an
electrochemical
sensor
utilizing
photoinduced
calcium
deposition
on
molecularly
imprinted
TiO2
(MI–Ca–TiO2)
for
the
sensitive
and
selective
BPA.
This
novel
approach
combines
Ca-doping
molecular
imprinting
TiO2,
achieving
enhanced
conductivity
binding
sites
MI–Ca–TiO2
demonstrated
linear
ranges
from
0.01
20
μM
a
low
limit
6.0
nM.
Consistent
repeatability
was
observed
across
various
batches
MI–Ca–TiO2,
indicated
by
relative
standard
deviation
0.8%.
Notably,
maintained
high
differential
pulse
voltammetry
response
even
after
prolonged
storage
refrigerator.
Moreover,
presence
100-fold
higher
concentration
analogous
or
interfering
ions,
nanosheets
exhibited
marked
current
response,
affirming
their
efficacy
BPA
detection.
These
findings
indicate
potential
as
simple,
cost-effective,
efficient
tool
detecting
water.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Nov. 30, 2023
Abstract
Covalent
organic
frameworks
(COFs),
a
rapidly
developing
category
of
crystalline
conjugated
polymers,
possess
highly
ordered
structures,
large
specific
surface
areas,
stable
chemical
properties,
and
tunable
pore
microenvironments.
Since
the
first
report
boroxine/boronate
ester-linked
COFs
in
2005,
have
gained
popularity,
showing
important
application
prospects
various
fields,
such
as
sensing,
catalysis,
separation,
energy
storage.
Among
them,
COFs-based
electrochemical
(EC)
sensors
with
upgraded
analytical
performance
are
arousing
extensive
interest.
In
this
review,
therefore,
we
summarize
basic
properties
general
synthesis
methods
used
field
electroanalytical
chemistry,
special
emphasis
on
their
usages
fabrication
sensors,
ions
immunosensors,
aptasensors.
Notably,
emerged
electrochemiluminescence
(ECL)
realm
thoroughly
covered
along
preliminary
applications.
Additionally,
final
conclusions
state-of-the-art
provided
terms
EC
ECL
well
challenges
for
extending
improving
research
applications
chemistry.
Biosensors,
Journal Year:
2025,
Volume and Issue:
15(1), P. 44 - 44
Published: Jan. 13, 2025
Plastic
pollution,
particularly
from
microplastics
(MPs)
and
nanoplastics
(NPs),
has
become
a
critical
environmental
health
concern
due
to
their
widespread
distribution,
persistence,
potential
toxicity.
MPs
NPs
originate
primary
sources,
such
as
cosmetic
microspheres
or
synthetic
fibers,
secondary
fragmentation
of
larger
plastics
through
degradation.
These
particles,
typically
less
than
5
mm,
are
found
globally,
deep
seabeds
human
tissues,
known
adsorb
release
harmful
pollutants,
exacerbating
ecological
risks.
Effective
detection
quantification
essential
for
understanding
mitigating
impacts.
Current
analytical
methods
include
physical
chemical
techniques.
Physical
methods,
optical
electron
microscopy,
provide
morphological
details
but
often
lack
specificity
time-intensive.
Chemical
analyses,
Fourier
transform
infrared
(FTIR)
Raman
spectroscopy,
offer
molecular
face
challenges
with
smaller
particle
sizes
complex
matrices.
Thermal
including
pyrolysis
gas
chromatography–mass
spectrometry
(Py-GC-MS),
compositional
insights
destructive
limited
in
analysis.
Emerging
(bio)sensing
technologies
show
promise
addressing
these
challenges.
Electrochemical
biosensors
cost-effective,
portable,
sensitive
platforms,
leveraging
principles
voltammetry
impedance
detect
adsorbed
pollutants.
Plasmonic
techniques,
surface
plasmon
resonance
(SPR)
surface-enhanced
spectroscopy
(SERS),
high
sensitivity
nanostructure-enhanced
detection.
Fluorescent
utilizing
microbial
enzymatic
elements
enable
the
real-time
monitoring
plastic
degradation
products,
terephthalic
acid
polyethylene
terephthalate
(PET).
Advancements
innovative
approaches
pave
way
more
accurate,
scalable,
environmentally
compatible
solutions,
contributing
improved
remediation
strategies.
This
review
highlights
advanced
section
on
prospects
that
address
could
lead
significant
advancements
monitoring,
highlighting
necessity
testing
new
sensing
developments
under
real
conditions
(composition/matrix
samples),
which
overlooked,
well
study
peptides
novel
recognition
element
microplastic
sensing.
RSC Sustainability,
Journal Year:
2024,
Volume and Issue:
2(4), P. 832 - 851
Published: Jan. 1, 2024
Nanoplastic
residues
in
our
aquatic
ecosystems
poses
a
serious
global
concern
which
needs
effective
monitoring
to
implement
actions
and
control
measures.
Electrochemical
chemo(bio)sensors
emerge
as
promising
tool
for
their
detection
protect
water
environmental
resources.
Foods,
Journal Year:
2025,
Volume and Issue:
14(2), P. 314 - 314
Published: Jan. 18, 2025
Bisphenol
A
(BPA)
is
a
typical
environmental
estrogen
that
distributed
worldwide
and
has
the
potential
to
pose
hazard
ecological
environment
human
health.
The
development
of
an
efficient
sensitive
sensing
strategy
for
monitoring
BPA
residues
paramount
importance.
novel
electrochemical
sensor
based
on
carbon
black
nanofibers
composite
(CB/f-CNF)-assisted
signal
amplification
been
successfully
constructed
amperometric
detection
in
foods.
Herein,
hybrid
CB/f-CNF
was
prepared
using
simple
one-step
ultrasonication
method,
exhibited
good
electron
transfer
capability
excellent
catalytic
properties,
which
can
be
attributed
large
surface
area
strong
enhancement
conductivity
porosity
nanofibers,
promote
faster
process
electrode
surface.
Under
optimized
conditions,
proposed
CB/f-CNF/GCE
wide
linear
response
range
(0.4–50.0
×
10−6
mol/L)
with
low
limit
5.9
10−8
mol/L
quantification.
Recovery
tests
were
conducted
canned
peaches
boxed
milk,
yielding
satisfactory
recoveries
86.0–102.6%.
Furthermore,
developed
method
employed
rapid
meat
packaged
demonstrating
comparable
accuracy
HPLC
method.
This
work
presents
through
utilization
carbon/carbon
nanocomposite
sensitization
technology.
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 14
Published: Feb. 5, 2024
Designing
effective
and
accurate
methods
to
determine
bisphenol
A
(BPA)
residues
is
crucial
for
safeguarding
food
safety
preserving
the
environment.
The
main
objective
of
present
work
develop
a
simple
sensitive
electrochemical
sensor
detect
BPA
based
on
modified
carbon
paste
electrode
(CPE).
For
this,
CeO2
nanoparticles
(CeO2
NPs)
ionic
liquid
(IL)
were
used
modify
CPE.
Cyclic
voltammetry
(CV)
was
utilised
as
technique
investigate
behaviour
at
surface
various
electrodes
(unmodified
CPE,
NPs/CPE,
ILCPE,
NPs/ILCPE).
obtained
result
showed
that
NPs/ILCPE
exhibited
better
electrocatalytic
performance
oxidation
than
observed
other
CPEs.
quantification
BPA,
differential
pulse
(DPV)
utilised.
Under
optimum
detection
conditions,
good
linearity
in
within
range
0.02–460.0
µM
with
limit
(LOD)
0.01
µM.
Finally,
enhanced
response
from
NPs/IL-modified
CPE
towards
has
been
evaluate
practical
application
this
sensor.
results
(recovery
relative
standard
deviation
(RSD)
values)
confirmed
applicability
real
samples.
Based
findings,
appears
be
suitable
platform
determination.
