Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 196 - 196
Published: Jan. 13, 2025
In
this
research,
a
tungsten
oxide
was
prepared
via
green
(biogenic)
synthesis
route
where
sodium
tungstate
dihydrate
and
Punica
granatum
peel
extract
were
used
as
precursor
reducing/capping
agent,
respectively.
The
characterization
of
the
performed
through
various
spectroscopic
microscopic
techniques.
results
revealed
preparation
highly
crystalline
nanorod-shaped
(length
=
123
nm
width
31.3
nm)
with
probable
chemical
formula
W5O14.
Various
functional
groups
on
W5O14
surface
also
reported.
nanorods
further
for
removal
Bismarck
Brown
R
(BBR)
dye
from
water
in
batch
manner.
By
varying
dose
(0.5–3.0
g
L−1),
BBR
solution
pH
(2−10),
contact
time
(15–120
min),
concentration
(10–60
mg
temperature
(30,
40,
50
°C),
optimized
condition
maximum
adsorption
efficiency
measured.
that
2.0
L−1
amount
to
remove
~98%
its
10
at
30
°C
7.0
pH.
temperature-dependent
data
fitted
different
types
non-linear
isotherm
models
(e.g.,
Langmuir
Freundlich)
assess
potential
mechanisms
relation
impacts.
synthesized
nano-adsorbent
fits
well
Freundlich
model
capacity
17.84
g−1.
Pseudo-first-order,
pseudo-second-order,
Elovich
kinetic
study
kinetics.
onto
follows
pseudo-second-order
rates.
present
is
governed
by
physico-chemical
predominant
interactions.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 27, 2024
Abstract
Water
pollution,
arising
from
the
presence
of
toxic
dyes
and
chemicals,
is
a
global
challenge,
urging
need
for
eco-friendly
solutions
in
water
decontamination.
This
study
focused
on
synthesis
copper
oxide
nanoparticles
(CuO
NPs),
zinc
(ZnO
bimetallic
CuO-ZnO
nanocomposite
(CZ
NC)
through
an
environmentally
friendly
method
employing
Tragia
involucrata
L.
leaf
extract.
Comprehensive
analysis
structural
optical
properties
involved
using
various
analytical
techniques
such
as
XRD,
FT-IR,
XPS,
UV-DRS,
PL,
FE-SEM,
EDAX,
TEM,
SAED,
zeta
potential,
TGA,
BET.
In
comparison
to
pristine
CuO
ZnO
NPs,
CZ-NC
demonstrated
notably
enhanced
photocatalytic
activity
degradation
Rhodamine
B
dye
(RhB).
The
optimum
conditions
RhB
were
found
be
pH
9
catalyst
dosage
1
mg/mL
concentration
10
ppm.
Under
these
conditions,
high
efficiencies
78%,
83%,
96.1%
respectively
over
105
min.
Through
LC-HRMS,
identification
products
offered
valuable
insights
into
pathway
degradation.
Furthermore,
toxicity
intermediates,
conducted
ECOSAR
software,
indicated
formation
non-toxic
by-products
(ChV/LC
50
/EC
>
100)
after
completion
reaction.
recycled
catalysts
exhibited
sustained
stability
up
4
cycles,
with
only
minor
decrease
6.8%.
confirms
their
catalytic
efficacy
purifying
polluted
water.
research
significantly
contributes
progress
nanocomposites,
enhancing
realm
environmental
remediation.
Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(6), P. 965 - 995
Published: Jan. 1, 2024
Abstract
Nanoparticles
below
100
nm
have
sparked
immense
interest
for
their
unique
physical
and
chemical
properties,
separate
from
bulk
materials.
These
particles
versatile
applications
in
electronics,
magnetism,
optoelectronics,
electricity.
This
article
overviews
ongoing
research
on
nanoparticle-based
electronic
devices
explores
anticipated
advancements.
In
nanoparticles
are
essential
components
enhanced
performance
functionality,
promising
breakthroughs
computing,
telecommunications,
sensing.
work
the
groundbreaking
potential
of
metal-based
nanoparticles,
such
as
ZnO
NPs,
Cu
Al
Fe
various
device
applications.
It
investigates
different
synthetic
methods,
including
bottom–up,
sol–gel,
co-precipitation,
hydrothermal,
CVD,
green/biological
method
to
enhance
effectiveness
these
nanoparticles.
The
study
briefly
examines
efficiency
applications,
it
extends
areas
data
storage,
sensors,
protective
coatings,
energy
industries,
water
treatment,
fertilizers,
defense.
Challenges
include
precise
control
nanoparticle
shape
arrangement,
which
researchers
address
design
new
materials
with
controlled
properties.
present
discusses
emerging
emphasizing
properties
compared
Ongoing
full
potential,
while
manipulation
techniques
open
doors
novel
progress
made
underscores
possibilities
electronics.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(15), P. 3482 - 3482
Published: July 25, 2024
Nanoparticles
are
structures
that
possess
unique
properties
with
high
surface
area-to-volume
ratio.
Their
small
size,
up
to
100
nm,
and
potential
for
modifications
have
enabled
their
use
in
a
wide
range
of
applications.
Various
factors
influence
the
applications
NPs,
including
synthesis
method
physical
attributes
such
as
size
shape.
Additionally,
materials
used
NPs
primary
determinants
application.
Based
on
chosen
material,
generally
classified
into
three
categories:
organic,
inorganic,
carbon-based.
These
categories
include
variety
materials,
proteins,
polymers,
metal
ions,
lipids
derivatives,
magnetic
minerals,
so
on.
Each
material
possesses
activity
application
NPs.
Consequently,
certain
typically
particular
areas
because
they
higher
efficiency
along
tenable
toxicity.
Therefore,
classification
base
NP
hold
significant
importance
both
research
In
this
paper,
we
discuss
these
classifications,
exemplify
most
major
categorize
them
according
preferred
area
This
review
provides
an
overall
application,
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(17), P. 1425 - 1425
Published: Aug. 31, 2024
Silver
nanoparticles
(Ag
NPs)
have
accumulated
significant
interest
due
to
their
exceptional
physicochemical
properties
and
remarkable
applications
in
biomedicine,
electronics,
catalysis
sensing.
This
comprehensive
review
provides
an
in-depth
study
of
synthetic
approaches
such
as
biological
synthesis,
chemical
physical
synthesis
with
a
detailed
overview
sub-methodologies,
highlighting
advantages
disadvantages.
Additionally,
structural
affected
by
methods
are
discussed
detail
examining
the
dimensions
surface
morphology.
The
explores
distinctive
Ag
NPs,
including
optical,
electrical,
catalytic,
antimicrobial
properties,
which
render
them
beneficial
for
range
applications.
Furthermore,
this
describes
diverse
several
fields,
medicine,
environmental
science,
optoelectronics.
However,
numerous
applications,
kinds
issues
still
exist.
Future
attempts
need
address
difficulties
regarding
techniques,
friendliness,
affordability.
In
order
ensure
secure
utilization
it
is
necessary
establish
sustainability
techniques
eco-friendly
production
methods.
aims
give
analysis,
multifaceted
NPs.
Journal of Umm Al-Qura University for Applied Sciences,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 30, 2024
Abstract
Nanotechnology
refers
to
nanomaterials
of
different
dimensions,
ranging
in
size
from
1
100
nm.
Shape
and
size,
as
well
properties
nanomaterials,
depend
on
the
materials
based
their
production.
Nanomaterials
are
classified
according
type
substrate
into
carbon-based
metal-based
ceramic
lipid-based
semiconductor
polymer
nanomaterials.
There
many
physical
methods
that
widely
used
produce
among
these
inert
gas
condensation
(IGC),
evaporation,
electric
arc
discharge,
sputtering,
laser
methods.
Many
characterization
analysis
techniques
including
ultraviolet–visible
(UV–V)
spectroscopy,
XRD
(X-ray
diffraction),
BET
(Brunauere
emmette
teller),
FESEM
(Field
emission
scanning
electron
microscopy),
FTIRS
(Fourier
transform
infrared
spectroscopy),
TEM
(Transmission
microscopy)
Zeta
analysis.
The
unique
distinguish
allows
them
penetrate
applications
directly
serve
world.
have
been
utilized
various
environment,
agriculture,
food
industries,
medical
chemical
processing,
military
industries.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 684 - 684
Published: Feb. 4, 2025
The
fundamental
principle
of
Fourier
Transform
Infrared
(FTIR)
spectroscopy
is
based
on
the
vibration
and
rotation
atoms,
it
has
become
a
universal
widely
used
spectral
methodology
for
detection
internal
molecular
structures
in
diverse
range
fields.
A
considerable
number
review
articles
pertaining
to
applications
FTIR
have
been
published
recent
years.
Nevertheless,
comprehensive
summary
application
nanoparticles’
(NPs’)
green
synthesis
yet
be
presented.
In
present
paper,
we
propose
series
case
studies
that
demonstrate
analysis
metal
oxide
NPs
synthesized
using
processes.
Furthermore,
presented
position
functional
group
bands
spectra
are
responsible
reduction,
capping
stabilization
NPs.
this
review,
explore
advantages
limitations
methodologies
overcoming
these
challenges.
We
also
potential
solutions
complex
spectra.
intended
serve
as
compendium
information
researchers
engaged
field
NPs,
utilizing
research
tool.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 31, 2025
Nanotechnology
has
witnessed
remarkable
advancements
in
recent
years,
capturing
considerable
attention
diverse
biomedical
applications.
Using
the
green
precipitation
method,
this
study
aims
to
synthesize
and
characterize
chitosan/polyvinyl
alcohol-copper
oxide
nanocomposites
(CS/PVA/CuONCs)
using
Anacardium
occidentale
plant
fruit
extract.
The
CS/PVA/CuONCs
were
further
evaluated
antioxidant,
antibacterial
biological
activities.
In
our
results,
UV-Vis
spectrum
analysis
of
revealed
a
peak
at
430
nm.
FTIR
analyses
confirmed
presence
different
functional
groups,
while
XRD
crystalline
structure
synthesized
nanocomposites.
FESEM-EDAX
demonstrated
that
exhibited
spherical
rod-like
shape,
with
an
average
particle
size
48.6
96.2
Notably,
higher
antioxidant
activity,
as
evidenced
by
their
ABTS
activity
(83.79
±
1.57%)
SOD
(86.17
1.28%).
assays,
inhibition
Escherichia
coli
20.52
0.85
mm
Bacillus
subtilis
19.64
0.87
mm,
displaying
zone
inhibition.
excellent
anti-inflammatory
potency
against
COX-1
(67.10
0.58%)
COX-2
(76.39
0.65%).
antidiabetic
assay
α-amylase
(80.25
1.29%)
α-glucosidase
(84.74
1.42%)
Anti-cholinergic
AChE
was
65.35
0.98%
BuChE
82.46
1.15%
are
observed.
shown
have
strong
cytotoxicity
MCF-7
cell
lines.
It
also
had
highest
viability
inhibition,
13.66
0.58%.
hemolysis
found
be
5.38
0.34%.
Overall,
possess
remarkably
