Electrochem,
Год журнала:
2023,
Номер
4(4), С. 553 - 567
Опубликована: Дек. 12, 2023
Aptamers
are
three-dimensional
structures
of
DNA
or
RNA
that
present
high
affinity
and
selectivity
to
specific
targets,
obtained
through
in
vitro
screening.
used
as
biological
recognizers
electrochemical
biosensors,
the
so-called
aptasensors,
providing
greater
specificity
recognizing
most
diverse
analytes.
Electrochemical
aptasensors
have
extremely
relevant
characteristics,
such
sensitivity,
low
cost
compared
other
biorecognizers
antibodies,
excellent
compatibility,
being
considered
one
promising
alternative
methods
several
areas,
biomedical
diagnosis
monitoring
environmental
contaminants.
In
this
sense,
work
reviews
aspects
methodologies
based
on
their
applications
determining
antibiotics,
seeking
foster
innovation
biosensors.
Environmental Research,
Год журнала:
2024,
Номер
256, С. 119229 - 119229
Опубликована: Май 24, 2024
There
has
been
significant
attention
on
the
efficient
degradation
of
pollutants
in
wastewater
using
metal-organic
frameworks
(MOFs)
photocatalytic
methods
over
past
decade.
Herein,
we
examined
elimination
two
different
types
water-contaminating
dyes,
specifically
cationic
dye
methylene
blue
(MB)
and
anionic
methyl
orange
(MO),
through
application
bimetal
Cu/Ni-BTC@SiO
Materials,
Год журнала:
2024,
Номер
17(11), С. 2660 - 2660
Опубликована: Июнь 1, 2024
Environmental
pollution
caused
by
organic
effluents
emitted
industry
has
become
a
worldwide
issue
and
poses
serious
threat
to
the
public
ecosystem.
Metal–organic
frameworks
(MOFs),
comprising
metal-containing
clusters
bridging
ligands,
are
porous
crystalline
materials,
possessing
fascinating
shape
size-dependent
properties
such
as
high
surface
area,
abundant
active
sites,
well-defined
crystal
morphologies,
huge
potential
for
functionalization.
To
date,
numerous
well
designated
MOFs
have
emerged
critical
functional
materials
solve
growing
challenges
associated
with
water
environmental
issues.
Here
we
present
recent
progress
of
MOF-based
their
applications
in
treatment
effluents.
Firstly,
several
traditional
emerging
synthesis
strategies
MOF
composites
introduced.
Then,
structural
regulations
presented
analyzed.
Finally,
typical
treating
effluents,
including
chemical,
pharmaceutical,
textile,
agricultural
wastewaters
summarized.
Overall,
this
review
is
anticipated
tailor
design
regulation
boosting
performance
effluent
remediation.
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
Perfluorooctanoic
acid
(PFOA),
a
prominent
member
of
the
per-
and
polyfluoroalkyl
substance
(PFAS)
family,
has
emerged
as
new
perpetual
pollutant
posing
significant
environmental
health
risks,
necessitating
developing
highly
selective
materials
for
its
sensitive
detection
in
water.
In
this
work,
we
developed
an
electroactive
fluorine-functionalized
Cu-MOF
(F-Cu-NH2BDC)
through
postmodification
copper-2-amino-terephthalic
(Cu-NH2BDC)
MOF
with
2,3,5,6-tetrafluoroterephthalaldehyde
(TFTA).
Experimental
computational
results
suggested
that
F-F
interactions
between
decorated
tetrafluorobenzaldehyde
groups
PFOA,
well
among
PFOA
molecules
themselves,
would
induce
self-aggregation
on
surfaces
or
pores
F-Cu-NH2BDC.
This
specific
aggregation
inhibited
contact
electron
transfer
F-Cu-NH2BDC
electrolyte,
resulting
decrease
inherent
electrochemical
Cu2+/Cu+
redox
signal
from
Based
this,
F-Cu-NH2BDC-based
label-
probe-free
sensor
was
exploited
excellent
linear
range
5
pM
to
500
μM
extremely
low
limit
3.54
pM,
surpassing
most
currently
reported
nonelectrochemical
PFAS
sensors.
also
exhibited
good
stability,
reproducibility,
anti-interference
performance,
enabling
accurate
measurement
concentrations
actual
commercial
drinking
These
findings
shed
light
design
sensors
utilizing
interaction
working
mechanism.
