Polymers,
Год журнала:
2024,
Номер
16(24), С. 3538 - 3538
Опубликована: Дек. 19, 2024
This
study
reported
a
one-spot
preparation
of
magnetic
composite
carbon
(MCC@Fe)
from
microcrystalline
cellulose
(MC).
The
pure
was
impregnated
in
iron
(III)
chloride
solution
and
carbonized
at
650
°C.
MCC@Fe
adsorbent
underwent
various
characterization
techniques.
XRD
identified
nanostructured
Fe3O4
particles
with
an
average
crystallite
size
34.3
nm
embedded
the
core
subunits
material.
FESEM
images
indicated
rough
irregular
surface,
some
cavities
along
its
incorporating
nanoparticles,
while
EDS
analysis
confirmed
presence
elements
like
Fe,
C,
O.
Notably,
combining
thermal
chemical
treatments
produces
more
pores
high
specific
surface
area
(500.0
m2
g−1)
compared
to
MC
(1.5
m2/g).
VSM
properties
(0.76
emu/g),
Hydrophobic
Index
(HI)
showed
that
hydrophobic
(HI
1.395).
adsorption
studies
consisted
kinetic,
mass
transfer,
equilibrium,
thermodynamics
studies.
Kinetic
paracetamol
on
proved
be
rapid,
time
necessary
for
covering
95%
(t0.95)
lower
than
27
min
following
fractal-like
pseudo-first-order
model
(FPFO).
Liu’s
isotherm
most
appropriate
understanding
equilibrium.
Remarkably,
maximum
sorption
capacity
(Qmax)
34.78
mg
g−1
45
ΔH°
value
(+27.00
kJ/mol)
negative
ΔG°
values
were
consistent
physisorption
mechanism
favorable
process.
Furthermore,
transfer
is
governed
by
intraparticle
diffusion
model,
being
rate-limiting
step
when
considering
Biot
number
greater
100.
research
displayed
single-route
production
inexpensive
nano
adsorbents
capable
efficiently
eliminating
aqueous
environments.
ACS Synthetic Biology,
Год журнала:
2024,
Номер
13(7), С. 1994 - 2007
Опубликована: Июнь 20, 2024
The
advancement
in
nanotechnology
has
completely
revolutionized
various
fields,
including
pharmaceutical
sciences,
and
streamlined
the
potential
therapeutic
of
many
diseases
that
endanger
human
life.
synthesis
green
nanoparticles
by
biological
processes
is
an
aspect
newly
emerging
scientific
field
known
as
"green
nanotechnology".
Due
to
their
safe,
eco-friendly,
nontoxic
nature,
tools
are
better
suited
produce
between
1
100
nm.
Nanoformulation
different
types
been
made
possible
using
production
techniques
commercially
feasible
novel
precursors,
such
seed
extracts,
algae,
fungi,
act
potent
reducing,
capping,
stabilizing
agents.
In
addition
this,
biofunctionalization
also
broadened
its
horizon
environmental
remediation
innovations
wound
healing,
antimicrobial,
anticancer,
nano
biosensing.
However,
major
challenge
pertaining
agglomeration
may
alter
surface
topology,
which
can
affect
physiology,
thereby
contributing
system
toxicity.
Therefore,
a
thorough
grasp
nanoparticle
toxicity
biocompatibility
required
harness
applications
therapeutics.
ECS Journal of Solid State Science and Technology,
Год журнала:
2024,
Номер
14(1), С. 015001 - 015001
Опубликована: Дек. 27, 2024
Metal
oxide
thin
films
are
critically
important
materials
for
modern
technologies,
particularly
semiconductor
in
transistors
and
optoelectronic
applications.
Many
metal
attract
interest
their
electronic
bandgap,
charge
carrier
mobility,
optical
opacity,
luminescence,
low
cost,
relative
abundance,
environmentally-friendly
production.
Additionally,
these
properties
often
tuneable
via
particle
size,
film
density,
surface
morphology,
deposition,
growth
method,
hetero-interface
engineering
or
ion-doping.
The
n-type
semiconducting
zinc
(ZnO)
is
an
material,
possessing
a
variety
of
useful
including
intrinsically
wide
direct
high
electron
relatively
exciton
binding
energy,
transparency,
demonstrated
metal-ion
doping,
range
different
morphologies
deposition
methods,
electro/photoluminescence,
existing
green
synthesis
methods.
Here,
aspects
ZnO
some
related
compound
oxides
reviewed,
focusing
on
how
the
unique
make
them
suitable
applications
from
transistors,
mobility
interfaces,
transparent
conductive
oxides,
photoanodes
photodetectors,
chemical
sensors,
photocatalysts,
superlattice
electronics,
more.
methods
impact
functionality
will
be
discussed
alongside
role
sustainable
optoelectronics.
Chemical Engineering & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Abstract
In
this
study,
naproxen
(NPX),
one
of
the
emerging
contaminants
was
removed
by
green
synthesizing
Fe
3
O
4
coated
magnetic
biochar
nanocomposites
(
Ct
‐BMNCs)
synthesized
from
Crataegus
tanacetifolia
Lam.
)
wastes.
The
characteristics
‐BMNCs
examined
x‐ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy
dispersive
(EDX),
Fourier
transform
infrared
spectroscopy
(FTIR),
thermogravimetry‐differential
thermal
analysis
(TGA‐DTA),
dynamic
light
scattering
(DLS),
zetasizer,
Brunauer‐Emmett‐Teller
(BET)
UV–Vis
spectroscopy,
and
pH
point
zero
charge
(pH
pzc
).
With
batch
adsorption
tests,
effects
(4–11),
amount
adsorbent
(2.5–80
g
L
−1
),
time,
initial
concentration
(3.125–200
mg
thermodynamic
performed.
Also,
kinetic
isotherm
models
error
functions
were
used.
Accordingly,
average
surface
5.68
+11.7
mV,
respectively.
Moreover,
reaction
exothermic,
most
suitable
Pseudo‐second‐order
Freundlich
R
2
:0.999).
q
max
30.12
mgNPX/g
‐BMNCs.
Ct‐BMNCs
are
quite
effective
in
removing
NPX.
Journal of Xenobiotics,
Год журнала:
2024,
Номер
14(4), С. 1465 - 1518
Опубликована: Окт. 15, 2024
Medicines
are
pharmaceutical
substances
used
to
treat,
prevent,
or
relieve
symptoms
of
different
diseases
in
animals
and
humans.
However,
their
large-scale
production
use
worldwide
cause
release
the
environment.
Pharmaceutical
molecules
currently
considered
emerging
pollutants
that
enter
water
bodies
due
inadequate
management,
affecting
quality
generating
adverse
effects
on
aquatic
organisms.
Hence,
alternatives
for
pharmaceuticals
removal
from
have
been
sought;
among
them,
agro-industrial
wastes
has
proposed,
mainly
because
its
high
availability
low
cost.
This
review
highlights
ecotoxicological
related
presence
environments
analyzes
94
investigations,
2012
2024,
17
antibiotics,
highlighting
sulfamethoxazole
as
most
reported,
well
6
non-steroidal
anti-inflammatory
drugs
(NSAIDs)
such
diclofenac
ibuprofen,
27
with
pharmacological
activities.
The
these
was
evaluated
using
wheat
straw,
mung
bean
husk,
bagasse,
bamboo,
olive
stones,
rice
pinewood,
others.
On
average,
60%
were
transformed
into
biochar
be
a
biosorbents
removal.
diversity
experimental
conditions
studies
makes
it
difficult
stablish
which
waste
greatest
capacity;
therefore,
this
review,
drug
mass
rate
(DMRR)
calculated,
parameter
comparative
purposes.
Almond
shell-activated
showed
highest
antibiotics
(1940
mg/g·h),
while
cork
powder
(CP)
(10,420
mg/g·h)
NSAIDs.
Therefore,
scientific
evidence
demonstrates
is
promising
alternative
substances.
