Biomass Conversion and Biorefinery,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Biochar
(BHC)
and
biochar-supported
nanocomposite
(BZNC)
were
employed
for
the
removal
of
amoxicillin
(AMX)
from
simulated
real
wastewater.
The
biochar
characterized
using
Fourier
transform
infrared
(FTIR)
spectroscopy,
powder
X-ray
diffraction
(XRD),
Brunauer–Emmett–Teller
(BET),
scanning
electron
microscopy
(SEM)
spectroscopic
techniques.
Agitation
speed
120
rpm,
solution
pH
7,
50
mg
dosage,
120-min
agitation
time
optimization
adsorption
capacity
BZNC
BHC.
Increases
in
sorbent
contact
time,
initial
AMX
concentration
improved
BHC’s
to
sequester
AMX.
kinetic
best
description
absorption
onto
BHC
was
provided
by
pseudo-second-order
pseudo-first-order
models,
respectively.
Furthermore,
Freundlich
Langmuir
isotherm
models
observed
describe
equilibrium
data
obtained
uptake
BHC,
At
318
K,
optimal
capacities
found
be
61.02
g
−1
49.82
,
entropy-driven
thermodynamically
possible.
It
that
exhibited
better
antioxidant
antimicrobial
potential.
Hence,
this
study
shows
has
ability
efficiently
disinfect
cleanse
industrial
wastewater
contains
Giant,
Journal Year:
2024,
Volume and Issue:
19, P. 100299 - 100299
Published: June 5, 2024
In
the
era
of
smart
and
sustainable
technology
driven
by
naturally
occurring
materials,
various
nanocellulose-based
materials
play
a
crucial
role.
Shape
memory
behaviour
self-healing
capabilities
nanocelluloses
are
emerging
as
focal
points
in
numerous
research
domains.
Nanocellulose
its
derivatives
such
cellulose
nanocrystals
(CNC)
nanofibers
(CNF),
currently
limelight
due
to
their
excellent
shape-memory
properties,
making
them
suitable
for
multifunctional
devices.
this
regard,
CNF,
cutting-edge
material,
has
spurred
researchers
explore
potential
developing
contemporary
personalized
health
Therefore,
timely
comprehensive
review
is
essential
gain
deep
insights
into
effectiveness
CNF
Herein,
we
first
provide
succinct
introduction
all
nanocellulose
materials.
This
also
depicts
recent
advancements
breakthroughs
large
effective
synthesis
CNF-based
hybrid
Next,
focusing
on
performance,
sheds
new
light
advanced
applications
Finally,
perspectives
current
challenges
opportunities
field
summarized
future
an
in-depth
understanding
"CNF-based
materials."
Environmental Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 31
Published: Feb. 22, 2025
Antibiotic
contamination
in
aquatic
environments
is
a
growing
concern,
posing
risks
to
public
health
and
ecosystems.
To
address
this
issue,
advanced
materials
like
graphene
oxide
(GO)
chitosan-based
hydrogels
are
being
extensively
explored
for
their
ability
effectively
remove
antibiotics
from
wastewater,
owing
distinct
characteristics
synergistic
benefits.
This
review
comprehensively
examines
the
synthesis,
characterization,
applications
of
GO/chitosan
addressing
antibiotic
pollution.
The
synthesis
methods,
including
solution
casting,
crosslinking,
situ
polymerization,
discussed
simplicity
scalability.
hydrogels'
key
properties,
such
as
porosity,
surface
area,
mechanical
strength,
essential
efficient
adsorption
capabilities.
Adsorption
mechanisms,
electrostatic
interactions,
π-π
stacking,
hydrogen
bonding,
functional
groups,
enable
these
achieve
high
capacities.
Notable
examples
include
rGO@ZIF-67@CS
hydrogels,
which
achieved
higher
capacities
1685.26
mg·g−1
tetracycline
at
pH
4
1890.32
norfloxacin
5,
while
sulfonated
CMC/GO-GCC
composite
hydrogel
312.28
sulfamethoxazole
298
K.
Moreover,
efficiencies
90.42%
with
GO–CTS
97.06%
were
using
AGO–CTS
diclofenac
adsorption.
also
highlights
practical
wastewater
treatment,
comparing
performance
other
adsorbents
challenges
scalability
regeneration.
Finally,
explores
future
research
directions
enhance
effectiveness
sustainability
emphasizing
potential
scalable,
eco-friendly
solutions
removal
water.
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
The
adsorption
of
spherical
citrate-coated
gold
nanoparticles
(AuNPs)
into
poly(2-vinylpyridine)
(P2VP)
brushes
was
investigated
using
a
quartz
crystal
microbalance
with
dissipation
(QCM-D).
This
study
examined
the
impacts
environmental
pH
and
brush
molecular
weight
(10
53
kg/mol)
on
AuNP
kinetics
areal
number
densities.
We
synthesized
characterized
P2VP
brushes,
grafted
onto
poly(glycidyl
methacrylate)
(PGMA)
priming
layer,
both
silicon
wafers
QCM-D
sensors.
Adsorption
experiments
explored
pH-dependent
behavior
10-
20-nm
diameter
AuNPs.
data
show
that
higher
enhanced
uptake.
At
=
4.0,
swollen
promote
greater
compared
collapsed
state
at
6.2.
highlights
advantages
homopolymer
architecture
block
copolymer
from
our
previous
work.
Additionally,
it
reaffirms
pH-mediated
size
selectivity
observed
in
prior
study,
where
smaller
10
nm
AuNPs
preferential
pH.
These
findings
provide
insights
conditions
nanoparticle
adsorption,
implications
for
designing
smart
surfaces
sensing
filtration
applications.
