Green synthesis of metal nanoparticles from three medicinal plants: a review of environmental and health applications
Discover Catalysis.,
Год журнала:
2025,
Номер
2(1)
Опубликована: Март 4, 2025
Язык: Английский
Green biosynthesis of titanium dioxide nanoparticles incorporated gellan gum hydrogel for biomedical application as wound dressing
Ying Su,
Xiaoxue Zhu,
Guangqi Xu
и другие.
Frontiers in Chemistry,
Год журнала:
2025,
Номер
13
Опубликована: Апрель 17, 2025
Titanium
dioxide
nanoparticles
(TiO
2
NPs)
are
widely
synthesized
chemically
for
industrial
applications.
However,
these
methods
often
have
negative
environmental
impacts,
rendering
them
unsuitable
biomedical
Green
synthesis
approaches
offer
a
promising
alternative
due
to
their
simplicity,
friendliness,
and
cost-effectiveness.
In
this
study,
we
report
the
biosynthesis
of
TiO
NPs
using
Morus
alba
leaf
extract
subsequent
incorporation
into
gellan
gum
(GG)
biopolymer
create
hydrogel.
The
physicochemical
properties
biosynthesized
NP@GG
hydrogel
were
characterized
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDS),
photoelectron
(XPS).
Furthermore,
bioactivity
materials
was
investigated
through
antibacterial
assays
against
Staphylococcus
aureus
Escherichia
coli
,
as
well
in
vitro
wound
healing
studies
3T3
fibroblast
scratch
assay.
XRD
analysis
confirmed
successful
formation
anatase
phase
.
SEM
images
revealed
presence
irregular
rod-shaped
nanoparticles,
with
EDS
confirming
composition
oxygen
titanium.
particle
size
determined
be
80–90
nm,
exhibited
homogeneous
distribution
throughout
network.
displayed
significant
activity
both
S.
E.
assay
on
cells
seeded
onto
demonstrated
high
cell
survival
rate
enhanced
migration,
suggesting
potential
applications
dressing
material.
Язык: Английский
Nano-catalytic behavior of CeO2 nanoparticles in dye adsorption: Synthesis through bio-combustion and assessment of UV-light-driven photo-adsorption of indigo carmine dye
Sanjay S. Majani,
M Manoj,
Mahimaluru Lavanya
и другие.
Heliyon,
Год журнала:
2024,
Номер
10(15), С. e35505 - e35505
Опубликована: Июль 31, 2024
This
study
explores
the
adsorption
of
indigo
carmine
dye
using
bio-combusted
cerium
oxide
nanoparticles
(CeO
Язык: Английский
Characterization of green Synthesis of cucumber extract -Derived Zinc-Copper Oxide Nanocomposite Antibacterial Activity and Effects on MexA Gene Expression on Efflux Pumps in Pseudomonas aeruginosa.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 28, 2024
Abstract
Background:
The
investigation
of
heavy
metal-containing
materials
synthesized
with
plant
extracts'
antibacterial
properties
remains
ongoing.
In
this
study,
zinc
oxide
and
copper
nanoparticles
(ZnONPs
CuONPs)
were
produced
cucumber
aerial
part
extract.
effect
nanoparticles,
in
particular,
demonstrated
promising
potential
combating
microbial
infections.
Material
methods:
Green
production
selenium
nanoparticles.
Atomic
force
microscopy
(AFM),
field
emission
scanning
electron
microscope
(FESEM),
X-ray
diffraction
(XDR),
UV
visible
spectroscopy,
physical
characteristics
used
to
characterize
the
samples.
XRD
confirmed
spherical
structure,
while
AFM
examination
revealed
roughness
distribution
Results:
characterized
using
(XRD),
UV-Vis
spectrometer,
Fourier-transformed
infrared
transmission
(TEM).
particle
size
was
less
than
33
nm,
approximately.
diameter
inhibitory
zone
showed
that
all
strains
had
more
sensitivity
against
nanocomposite.
novel
composite
antimicrobial
activity
several
human
pathogens,
such
as
Staphylococcus
aureus,
Staphylococcus
haemolyticus,
epidermidis,
lentus,
warneri.
effective
size-dependent
nano-scale
substances
have
attracted
considerable
attention.
This
is
evidenced
by
utilization
extract
synthesis
namely
ZnONPs,
CuONPs,
which
exhibited
significant
properties.
For
molecular
procedure,
detection
the
MexA
gene
10
isolates
MDR
Pseudomonas
aeruginosa
using
real-time
polymerase
chain
reaction
(RT-PCR).
nanocomposite
on
MexA
expression
fold
changes
(downregulation)
two
P.
aeruginosa
upregulation
only
one
isolate.
biologically
NPs
exhibit
great
can
down-regulate
efflux
pump
MexA
gene.
addition,
treating
bacteria
caused
a
reduction
genes,
improve
efficacy
reducing
genes.
Conclusions:
work
an
environmentally
friendly
green
biosynthesis
(ZnO-CuO
NPs)
their
applications.
conclusion,
Nanocomposite
successfully
biosynthesized
Cucumber
extract,
derived
from
fresh
fruits
(Cucumis
sativus)
through
method
multidrug-resistant
bacteria.
significantly
downregulated
treated
Nanocomposite.
Язык: Английский
Enhanced antibacterial activity of Ocimum sanctum leaf extract mediated Hydroxyapatite and Hydroxyapatite-Iron oxide nanocomposites
Current Research in Green and Sustainable Chemistry,
Год журнала:
2024,
Номер
unknown, С. 100439 - 100439
Опубликована: Ноя. 1, 2024
Язык: Английский