Physica Scripta,
Год журнала:
2024,
Номер
99(12), С. 125035 - 125035
Опубликована: Ноя. 14, 2024
Abstract
The
accurate
identification
and
analysis
of
multiple
harmful
ingredient
remains
a
huge
challenge
in
the
environmental
protection
field.
In
this
work,
variety
PDMS@PDA@AgNPs
flexible
SERS
platforms
were
fabricated
by
situ
growth
silver
nanoparticles
(AgNPs)
on
surface
polydimethylsiloxane
(PDMS)
membranes
based
adhesive
reducing
properties
polydopamine
(PDA).
substrates
exhibited
excellent
sensitivity,
homogeneity,
reproducible
performance
for
multi-component
detection
trace
industrial
dyes.
limits
(LOD)
rhodamine
6
G
(R6G)
crystal
violet
(CV)
individually
5
×
10
−9
M
1
M,
respectively.
abundant
‘hotspots’
prepared
contributed
to
enhancement
effect.
More
importantly,
substrate
was
capable
realizing
simultaneous
R6G
CV
with
limit
−8
good
linearity
between
−4
M.
addition,
barcode
developed
facilitate
rapid
detection.
are
suitable
samples,
have
great
application
value
fields
food
safety
assessment.
Materials,
Год журнала:
2025,
Номер
18(9), С. 2049 - 2049
Опубликована: Апрель 30, 2025
In
this
research,
a
nanoscale
magnetic
biosorbent
was
synthesized
by
incorporating
nanoparticles
(Fe3O4
NPs)
into
natural
carbon
framework
derived
from
black
cumin
(BC)
seeds.
The
prepared
Fe3O4/BC
utilized
as
low-cost,
eco-friendly,
and
reusable
nanobiosorbent
for
the
removal
of
organic
(e.g.,
methylene
blue
(MB)
dye)
pollutants
synthetic
solutions.
results
indicated
that
had
extensive
surface
oxygenous
functional
groups
with
high
affinity
MB
dye
capture
at
different
concentrations
such
10–60
mg
L−1.
optimization
suggested
~99%
its
initial
concentration
(i.e.,
10
L−1)
using
2.0
g
L−1
pH
=
7,
temperature
27
°C,
contact
time
120
min,
equilibrium
adsorption
capacity
5.0
g−1
partition
coefficient
~57.0
L
g−1.
efficacy
highest
60.0
found
to
be
29.0
isotherm
well
explained
Freundlich
model
MB.
renderability
bioadsorbent
acid
treatments
showed
~66%
decline
in
efficiency
(%)
(~99%
~33%;
~5.0
~1.7
g−1)
after
six
repetitive
cycles
desorption.
current
gives
better
than
previously
reported
acid-washed
BC
seeds
other
BC-seed-based
nanobioadsorbents,
Hence,
demonstrates
potential
use
treating
water
contaminated
pollutants.
New Journal of Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
A
novel
adsorbent
obtained
by
hybridization
of
magnetic
MOFs
with
three-dimensional
terminal
carboxyl
hyperbranched
polymers
to
achieve
efficient
dye
removal.
