Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
318, P. 100410 - 100410
Published: April 1, 2024
The
aim
of
this
research
is
to
craft
a
material
that
effectively
curbs
the
higher
level
heavy
metals
and
salinity
in
brine
from
desalination
plants.
Through
thorough
experimentation,
an
optimized
form
Halloysite
Nanoclay
was
achieved,
which
further
enhanced
with
8-hydroxyquinoline
for
increased
metal
removal
efficiency.
nanoclay's
adsorption
capabilities
were
carefully
fine-tuned,
displaying
type
III
isotherm
significant
surface
area
(72.8
m²
g–1).
modified
nanoclay
demonstrates
improved
efficiency
removing
ions,
achieving
rates
79.12%
Zn,
83.33%
Fe,
81.18%
Ni,
79.81%
Cu.
Notably,
advanced
proved
its
prowess
purifying
metals.
prepared
displayed
noteworthy
recycling
capacity,
substantiated
through
series
experiments.
This
study
highlights
effectiveness
using
treat
plant
sustainably,
opening
avenues
practical
applications
area.
Chemosensors,
Journal Year:
2023,
Volume and Issue:
11(10), P. 533 - 533
Published: Oct. 10, 2023
Biosensors
are
analytical
devices
that
use
biological
interactions
to
detect
and
quantify
single
molecules,
clinical
biomarkers,
contaminants,
allergens,
microorganisms.
By
coupling
bioreceptors
with
transducers,
such
as
nucleic
acids
or
proteins,
biosensors
convert
into
electrical
signals.
Electrochemical
optical
transductions
the
most
widely
used
methods
due
their
high
detection
capability
compatibility
miniaturization.
valuable
in
chemistry,
especially
for
health
diagnostics,
they
offer
simplicity
sensitivity.
Despite
usefulness,
challenges
persist
immobilizing
biorecognition
elements
on
transducer
surface,
leading
issues
loss
of
sensitivity
selectivity.
To
address
these
problems,
introduction
nanomaterials,
particular
magnetic
nanoparticles
(MNPs)
beads,
has
been
implemented.
MNPs
combine
properties
other
interesting
characteristics,
small
size,
surface-to-volume
ratio,
easy
handling,
excellent
biocompatibility,
resulting
improved
specificity
reduced
matrix
effects.
They
can
be
tailored
specific
applications
have
extensively
various
fields,
including
biosensing
diagnosis.
In
addition,
simplify
sample
preparation
by
isolating
target
analytes
via
separation,
thus
reducing
analysis
time
interference
phenomena
improving
performance
detection.
The
synthesis
modification
play
a
crucial
role
adjusting
different
applications.
This
review
presents
an
overview
surface
modifications
contributions
development
bioassays
across
areas.
future
MNP
integration
assays
focused
stability,
multiplex
detection,
simplification
portability
test
platforms,
vivo
applications,
among
areas
development.
Journal of Molecular Liquids,
Journal Year:
2024,
Volume and Issue:
409, P. 125395 - 125395
Published: June 29, 2024
Many
of
the
most
harmful
pollutants
contained
in
wastewaters
are
hydrophobic
compounds.
Consequently,
selection
suitable
adsorbents
to
remove
Methylene
Blue
(MB),
adopted
as
model
contaminant,
was
carried
out
evaluating
two
alternative
approaches.
First,
nanocomposites
containing
biochar
were
tested
exploit
interaction
between
adsorbent
and
adsorbate.
As
an
approach,
a
nanocomposite
based
on
chitosan,
material
substantially
hydrophilic
though
methyl
groups,
found
allow
adsorption
by
both
hydrogen-bond
interactions.
Both
biochar-
chitosan-
inserted
magnetic
nanoparticles
crosslinking
impregnation
simpler
solid/liquid
separation.
XRD,
FTIR
SEM
analyses
elucidated
properties
nanocomposites,
showing
fraction
be
mainly
composed
maghemite,
with
crystallite
size
about
8
mm.
The
M(H)
curves
showed
pure
superparamagnetic
behaviour
nanoparticles,
larger
moments
comparison
chitosan
(5.8
×
10−20
Am2
against
3.5
Am2).
mechanism
MB
discussed
considering
zero-point
charges
oxidation–reduction
system
molecules.
higher
capacity
shown
lower
range
concentration
(1.57
105
mg/kg)
explained
taking
into
account
overlapping
effects
polar
Kinetics
isotherms
modelling
suggested
multistep
process,
due
different
phases
constituting
nanocomposites.
An
efficient
regeneration
procedure
developed
for
chitosan-based
nanocomposite,
incubation
acetic
acid/ethanol
mixture.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(35)
Published: Sept. 12, 2024
Abstract
Heavy
metals,
pharmaceuticals,
microplastics,
dyes,
and
radionuclides
in
wastewater
increasingly
threaten
environmental
sustainability.
Metal‐organic
frameworks
(MOFs)
are
versatile
materials
for
mitigating
these
contaminants
through
efficient
detection,
capture,
adsorption,
degradation.
These
crystalline
structures,
formed
by
combining
metal
ions
with
organic
ligands,
offer
high
surface
area,
tailored
porosity,
reproducibility,
robust
chemical
stability.
This
review
compiles
recent
advancements
MOFs
pollutant
removal,
highlighting
innovations
selective
adsorption
mechanisms
heavy
functionalized
pharmaceutical
microplastic
enhanced
photocatalytic
degradation
dyes.
Unique
to
this
is
the
integration
of
such
as
ion
exchange
capabilities
under
visible
light,
addressing
advanced
applications
that
significantly
enhance
removal
efficiency
other
reviews
have
not
covered
comprehensively.
The
also
cites
our
group's
work
on
a
curcumin‐immobilized
zeolitic
imidazolate
framework‐8
(Cmim@ZIF‐8)
nanoprobe,
demonstrating
selectivity
Fe
2+
water
(detection
limit:
7.64
μM)
its
applicability
live‐cell
imaging
HepG2
cells.
Advanced
techniques
like
density
functional
theory
(DFT)
simulations
employed
elucidate
mechanisms,
bridging
theoretical
insights
experimental
findings.
By
critically
evaluating
developments,
identifies
promising
avenues
optimizing
MOF
design
advancing
effective
treatment
solutions.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
318, P. 100410 - 100410
Published: April 1, 2024
The
aim
of
this
research
is
to
craft
a
material
that
effectively
curbs
the
higher
level
heavy
metals
and
salinity
in
brine
from
desalination
plants.
Through
thorough
experimentation,
an
optimized
form
Halloysite
Nanoclay
was
achieved,
which
further
enhanced
with
8-hydroxyquinoline
for
increased
metal
removal
efficiency.
nanoclay's
adsorption
capabilities
were
carefully
fine-tuned,
displaying
type
III
isotherm
significant
surface
area
(72.8
m²
g–1).
modified
nanoclay
demonstrates
improved
efficiency
removing
ions,
achieving
rates
79.12%
Zn,
83.33%
Fe,
81.18%
Ni,
79.81%
Cu.
Notably,
advanced
proved
its
prowess
purifying
metals.
prepared
displayed
noteworthy
recycling
capacity,
substantiated
through
series
experiments.
This
study
highlights
effectiveness
using
treat
plant
sustainably,
opening
avenues
practical
applications
area.
