Particulate Science And Technology,
Год журнала:
2023,
Номер
42(5), С. 874 - 894
Опубликована: Ноя. 16, 2023
Nanotechnology
is
an
emerging
field
with
diverse
applications,
wherein
materials
ranging
in
size
from
1
to
100
nm,
referred
as
nanoparticles
(NPs),
are
utilized.
Traditional
methods
for
producing
metallic
NPs
primarily
involve
chemical
processes,
which
can
result
unintended
outcomes.
To
overcome
these
challenges,
a
greener
alternative,
known
green
synthesis,
has
been
developed.
Green
synthesis
of
emerged
innovative
and
environmentally
friendly
approach
nanotechnology.
Utilizing
plant
extracts,
microorganisms,
biopolymers
reducing
stabilizing
agents,
researchers
have
successfully
prepared
various
nanoparticles,
such
silver,
copper,
gold,
platinum,
palladium
nanoparticles.
These
offer
advantages
like
cost-effectiveness,
reduced
environmental
impact,
facile
scalability.
This
method
ensures
eco-friendliness
by
implementing
techniques
the
use
safe,
nontoxic
solvents
(such
supercritical
fluids
water)
additives
polysaccharides.
Different
reaction
conditions
energy-saving
growth
also
employed
enhance
sustainability.
Nanoparticles
synthesized
through
exhibit
unique
properties,
rendering
them
highly
suitable
including
catalysis,
medicine,
energy
technologies.
review
paper
explores
recent
advances
biosynthesis
at
nanoscale
highlights
different
factors
that
affect
their
possible
applications
Molecules,
Год журнала:
2023,
Номер
28(7), С. 3060 - 3060
Опубликована: Март 29, 2023
Plant
extracts
and
essential
oils
have
a
wide
variety
of
molecules
with
potential
application
in
different
fields
such
as
medicine,
the
food
industry,
cosmetics.
Furthermore,
these
plant
derivatives
are
widely
interested
human
animal
health,
including
potent
antitumor,
antifungal,
anti-inflammatory,
bactericidal
activity.
Given
this
diversity,
methodologies
were
needed
to
optimize
extraction,
purification,
characterization
each
class
biomolecules.
In
addition,
products
can
still
be
used
synthesis
nanomaterials
reduce
undesirable
effects
conventional
routes
based
on
hazardous/toxic
chemical
reagents
associate
properties
those
present
oils.
Vegetable
chemically
complex,
although
they
already
nanomaterials,
limited
studies
examined
which
effectively
acting
stabilization
nanostructures.
Similarly,
few
investigated
whether
coating
derived
from
would
bring
benefits
or
somehow
their
This
synergistic
effect
presents
promising
field
further
explored.
Thus,
review
article,
we
conducted
comprehensive
addressing
main
groups
oils,
extraction
capacity,
available
for
characterization.
Moreover,
highlighted
metallic
antimicrobial
capacity.
correlated
extract’s
role
activity,
considering
synergy
between
product
forms
associated
nanomaterials.
Green Processing and Synthesis,
Год журнала:
2024,
Номер
13(1)
Опубликована: Янв. 1, 2024
Abstract
This
article
explores
the
impact
of
nano-silica
on
properties
woven
flax
fibre/epoxy
composites.
Using
compression
moulding,
epoxy/flax/silica
hybrid
nanocomposites
were
produced.
The
was
dispersed
in
epoxy
matrix
via
ultrasonication
at
various
weight
ratios.
A
series
tests,
including
crack
durability,
dynamic
mechanical
analysis,
and
scanning
electron
microscopy,
conducted
to
evaluate
modified
materials.
Notably,
a
3%
filler
load
resulted
54%
57%
improvement
initiation
transmission
interfacial
fracture
toughness,
respectively.
Scanning
microscope
imaging
confirmed
that
fibres
pull
out
tip
during
initial
debonding,
accounting
for
increased
toughness.
Dynamic
analysis
further
revealed
enhancements
properties.
Moreover,
content
led
less
fibre
pull-out,
suggesting
higher
heat
resistance
than
standard
flax/epoxy
material
also
demonstrated
promising
antimicrobial
efficacy
against
gram-positive
gram-negative
bacteria,
offering
potential
alternative
conventional
antibiotics.
Microscopy Research and Technique,
Год журнала:
2022,
Номер
85(11), С. 3553 - 3564
Опубликована: Авг. 19, 2022
In
this
research,
silver-doped
zinc
oxide
(SdZnO)
nanoparticles
(NPs)
were
synthesized
in
an
environmental-friendly
manner.
The
NPs
identified
by
UV-vis
spectroscopy,
X-ray
diffraction
(XRD),
and
scanning
electron
microscopy
(SEM).
Finally,
the
antimicrobial
activity
of
ZnO
SdZnO
was
performed.
It
observed
that
doping
silver,
size
changed.
By
adding
silver
to
NPs,
effect
improved.
Antibacterial
test
against
gram-positive
bacterium
Streptococcus
mutants
showed
with
a
low
density
had
higher
antibacterial
than
NPs;
Therefore,
can
be
used
as
new
agent
medical
applications.
RESEARCH
HIGHLIGHTS:
Silver-doped
prepared
using
eco-friendly
synthesis
method
their
bacteria
causing
tooth
decay
studied.
Environmental Technology & Innovation,
Год журнала:
2022,
Номер
28, С. 102947 - 102947
Опубликована: Окт. 25, 2022
This
study
investigates
synthesis
of
erbium
vanadate
nanostructures
via
carboxylic-assisted
pechini
method
to
optimization
the
morphology,
size
and
physicochemical
properties.
The
optimized
ErVO4
nanoparticles
with
range
12–98
nm
were
subjected
photocatalytic
ability
for
dye
decolorization
Methyl
orange
(MO),
Erythrosine
(ER),
Methylene
blue
(MB)
using
ultraviolet
irradiation.
correlation
between
operational
parameters
(pollutant
concentration
catalyst
loading)
optoelectronic
properties
in
addition
catalytic
performance
structure
is
reported.
ideal
condition
activity
nano-photocatalyst
achieved
10
ppm
aqueous
solution
MB
loading
0.05
g
which
presents
77.85%
efficiency
colored
pollutant
model.
recycle
after
4
cycles
about
69.25%.
Additionally,
mechanism
direction
studied
presence
some
scavengers
confirms
role
hydroxyl
radical
removal
MB.
magnetic
through
VSM
shows
paramagnetic
behavior
saturation
magnetization
1.3341
emu
g−1.
