Chemosensors,
Год журнала:
2023,
Номер
11(10), С. 547 - 547
Опубликована: Окт. 22, 2023
This
study
aims
to
introduce
a
fluorescence-based
chemosensing
method
for
Zn2+
in
aqueous
suspensions
and
untreated
surface
waters,
conditions
which
generally
hinder
the
application
of
conventional
optochemical
sensing
platforms.
A
macrocyclic
fluoroionophore
was
covalently
bonded
silica-coated
magnetic
nanoparticle
applied
according
predetermined
protocol
analyzing
trace
amounts
under
rarely
investigated
conditions.
Utilizing
reversible
complexation
immobilized
fluoroionophore,
rapid
regeneration
carried
out
via
simple
acidification
after
magnetic-assisted
solid-phase
extraction
particles.
Forming
inclusion
complexes
with
receptor
units
particles
leads
significant
enhancement
fluorescence
intensity
at
370
nm,
above
detection
limit
5
ppb,
dynamic
linear
range
quantification
15–3000
ppb
pH
5.5–7.5.
Practical
applicability
confirmed
by
river
water
an
suspension
pumpkin
seed
flour
as
real
relevant
heterogeneous
multicomponent
samples
sample
composition
natural
content.
Our
practical
approach
broaden
platforms
Zn2+.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Abstract
Wastewater
treatment
by
electrocoagulation
(EC)
using
waste-derived
electrodes
is
an
emerging
and
promising
solution
for
closing
resource
loops
at
urban-irrigated
intersections.
However,
there
a
knowledge
gap
in
integrating
crop
water
dynamics
into
this
application.
This
article
presents
framework
to
integrate
agrometeorological
analysis
(FAO56
model)
waste
information
energy
electrochemical
models
(Faraday’s
laws
of
dissolution).
The
model
was
parameterized
study
site
comprising
large
institution
surrounded
irrigated
trees.
On-site
experiments
showed
that
dosages
aluminum
(Al)
iron
(Fe)
scrap,
as
low
0.2–0.6
g/m3,
achieved
significant
removals
(75–94%)
COD,
BOD,
TSS,
turbidity,
met
irrigation
standards.
Onsite
metal
generation
(593
kg/month)
could
accommodate
~
98,000
m2
surrounding
lands.
Crop
production
capacities
scrap
metals
(food
per
scrap)
were
estimated
reach
23.3
kg/kg,
specifically
Al
scrap.
Energy
demand
be
maintained
steady
0.58
kWh/m³
dynamics,
allowing
flexible
renewable
integration.
Validation
components
revealed
estimating
comprised
larger
uncertainty
than
modeling
electrode
consumption.
reuse
shows
potential
WEFE
nexus
application
but
raises
some
socioeconomic
concerns
such
impacts
on
scavengers’
livelihoods.
Pilot-scale
wider
assessments
are
strongly
encouraged
gain
improved
insights.
Chemosensors,
Год журнала:
2023,
Номер
11(10), С. 547 - 547
Опубликована: Окт. 22, 2023
This
study
aims
to
introduce
a
fluorescence-based
chemosensing
method
for
Zn2+
in
aqueous
suspensions
and
untreated
surface
waters,
conditions
which
generally
hinder
the
application
of
conventional
optochemical
sensing
platforms.
A
macrocyclic
fluoroionophore
was
covalently
bonded
silica-coated
magnetic
nanoparticle
applied
according
predetermined
protocol
analyzing
trace
amounts
under
rarely
investigated
conditions.
Utilizing
reversible
complexation
immobilized
fluoroionophore,
rapid
regeneration
carried
out
via
simple
acidification
after
magnetic-assisted
solid-phase
extraction
particles.
Forming
inclusion
complexes
with
receptor
units
particles
leads
significant
enhancement
fluorescence
intensity
at
370
nm,
above
detection
limit
5
ppb,
dynamic
linear
range
quantification
15–3000
ppb
pH
5.5–7.5.
Practical
applicability
confirmed
by
river
water
an
suspension
pumpkin
seed
flour
as
real
relevant
heterogeneous
multicomponent
samples
sample
composition
natural
content.
Our
practical
approach
broaden
platforms
Zn2+.
