ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(38)
Published: Oct. 1, 2024
Abstract
Gold
nanoparticles
are
extensively
used
across
various
industries,
particularly
in
biomedical
fields,
due
to
their
high
biocompatibility,
stability,
and
low
toxicity.
The
rising
use
of
gold
applications
has
increased
the
demand
for
more
sustainable
synthesis
methods
that
reduce
costs
environmental
impacts
compared
traditional
chemical
processes.
This
study
presents
a
green
approach
utilizing
leaf
extracts
from
Pterospermum
canescens
Vernonia
elaeagnifolia
.
synthesized
were
characterized
using
UV‐VIS,
XRD,
HRTEM‐SAED,
FESEM‐EDX,
XPS,
FTIR
analyses.
These
characterizations
confirmed
formation,
size,
shape,
morphological
features
nanoparticles,
as
well
involvement
secondary
plant
metabolites
synthesis.
found
be
less
than
50
nm
with
P.C
AuNPs
averaging
27.48
V.E
14.79
nm.
particles
predominantly
exhibited
spherical
or
distorted
shapes.
In
cytotoxicity
assays
C6
rat
glioma
cells,
both
types
demonstrated
significant
effects.
induced
apoptosis
78
%
while
%,
confirming
cytotoxic
efficacy.
Gene
expression
studies
further
revealed
significantly
upregulated
caspase‐3
downregulated
BCL‐2,
indicating
potent
apoptotic
response,
showed
similar
but
pronounced
effect.
Additionally,
collagen‐induced
platelet
aggregation
studies,
substantial
anti‐platelet
activity
increasing
dosages,
reducing
10
at
concentration
30
μg/ml,
minimal
inhibition
by
AuNPs.
Overall,
demonstrates
effective
offer
promising
biomedicine.
results
confirm
potential
these
green‐synthesized
cancer
treatment
drug
development
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 16, 2024
Abstract
The
green
synthesis
of
Iron
oxide
nanoparticles
(IONPs)
has
shown
numerous
advantages
over
conventional
physical
and
chemical
methods
as
these
non-ecofriendly
uses
toxic
chemicals
complicated
equipments.
In
present
study,
were
created
using
simple,
sustainable,
eco-friendly
chemistry
protocol.
roots
novel
medicinal
plant
Sageretia
thea
was
used
a
bio-template
for
the
preparation
IONPs.
Further,
IONPs
confirmed
different
analytical
tools
like
UV-Vis,
FT-IR,
XRD,
EDX,
SEM.
average
sizes
(NPs)
found
to
be
16.04
nm.
asynthesized
evaluated
several
biological
potentials
including
antibacterial,
antifungal
Anti-radical
(DPPH)
cytotoxicity
assays.
Antibacterial
potencies
investigated
bacterial
strains
(in
concentration
range
1000–31.25
µg/mL)
revealing
significant
antibacterial
potentials.
ABA
SAU
reported
least
susceptible
while
KPN
observed
most
strain
in
bactericidal
studies.
fungal
investigate
revealed
strong
against
pathogenic
strains.
Furthermore,
MRA,
FA
ANI
fungicidal
examination.
Significant
potential
examined
brine
shrimps
assay,
thus
cytotoxic
IC
50
S.
based
recorded
33.85
µg/mL.
Strong
anti-radical
assay
performed
evaluate
ROS
scavenging
S.T@IONPs.
highest
noted
78.06%,
TRP
81.92%
TAC
84%
on
maximum
200
summary,
our
experimental
results
concluded,
that
have
antifungal,
DPPH
can
applications.
nutshell,
as-prepared
bioactivities
we
recommend,
other
vitro
vivo
further
analyze
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(12), P. 1031 - 1031
Published: Dec. 15, 2023
Technological
progress
has
led
to
the
development
of
analytical
tools
that
promise
a
huge
socio-economic
impact
on
our
daily
lives
and
an
improved
quality
life
for
all.
The
use
plant
extract
synthesized
nanoparticles
in
fabrication
optical
or
electrochemical
(bio)sensors
presents
major
advantages.
Besides
their
low-cost
scalability,
these
may
have
dual
role,
serving
as
transducer
component
recognition
element,
latter
requiring
functionalization
with
specific
components.
Different
approaches,
such
surface
modification
techniques
facilitate
precise
biomolecule
attachment,
thereby
augmenting
capabilities,
fine
tuning
functional
groups
nanoparticle
surfaces
are
preferred
ensuring
stable
conjugation
while
preserving
bioactivity.
Size
optimization,
maximizing
area,
tailored
shapes
increase
potential
robust
interactions
enhance
transduction.
This
article
specifically
aims
illustrate
adaptability
effectiveness
biosensing
platforms
identifying
biological
targets
along
far-reaching
implications
across
various
domains,
spanning
healthcare
diagnostics,
environmental
monitoring,
diverse
bioanalytical
fields.
By
exploring
applications,
highlights
significance
prioritizing
natural
resources
synthesis.
emphasis
aligns
worldwide
goal
envisioning
sustainable
customized
solutions,
emphasizing
heightened
sensitivity
selectivity.
Chemosensors,
Journal Year:
2024,
Volume and Issue:
12(5), P. 83 - 83
Published: May 16, 2024
This
research
contributes
to
work
on
synthesizing
zinc
oxide
nanoparticles
(ZnO
NPs)
at
room
temperature
(RT)
and
their
utilization
in
flexible
gas
sensors.
RT
ZnO
NP
synthesis
with
a
basicity
solution
(pH
≈
13)
demonstrates
an
efficient
method
for
well-crystalline
NPs
(RT.pH13)
comparable
those
synthesized
by
the
hydrothermal
(hyd.C).
The
RT.pH13
achieved
high
thermal
stability
minimal
organic
reside
impurities
(~4.2
wt%),
30–80
nm
particle
size
distribution,
specific
surface
area
(14
m2
g−1).
pre-
post-calcinated
were
then
incorporated
into
sensors
sensing
applications
ambient
conditions
(RT
relative
humidity
of
30–50%).
pre-calcinated
ZnO-based
sensor
demonstrated
superior
sensitivity
styrene
acetic
acid
lower
dimethyl-6-octenal.
calcinated
(RT.pH13.C)
exhibited
acid,
but
heightened
benzene,
acetone,
ethanol.
suggests
correlation
between
structural
transformations
following
calcination.
investigation
mechanisms
highlighted
role
properties
sensors’
affinity
molecules
variations.
study
further
explored
mechanical
flexibility,
which
is
crucial
Internet
Things
(IoT)
applications.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(38)
Published: Oct. 1, 2024
Abstract
Gold
nanoparticles
are
extensively
used
across
various
industries,
particularly
in
biomedical
fields,
due
to
their
high
biocompatibility,
stability,
and
low
toxicity.
The
rising
use
of
gold
applications
has
increased
the
demand
for
more
sustainable
synthesis
methods
that
reduce
costs
environmental
impacts
compared
traditional
chemical
processes.
This
study
presents
a
green
approach
utilizing
leaf
extracts
from
Pterospermum
canescens
Vernonia
elaeagnifolia
.
synthesized
were
characterized
using
UV‐VIS,
XRD,
HRTEM‐SAED,
FESEM‐EDX,
XPS,
FTIR
analyses.
These
characterizations
confirmed
formation,
size,
shape,
morphological
features
nanoparticles,
as
well
involvement
secondary
plant
metabolites
synthesis.
found
be
less
than
50
nm
with
P.C
AuNPs
averaging
27.48
V.E
14.79
nm.
particles
predominantly
exhibited
spherical
or
distorted
shapes.
In
cytotoxicity
assays
C6
rat
glioma
cells,
both
types
demonstrated
significant
effects.
induced
apoptosis
78
%
while
%,
confirming
cytotoxic
efficacy.
Gene
expression
studies
further
revealed
significantly
upregulated
caspase‐3
downregulated
BCL‐2,
indicating
potent
apoptotic
response,
showed
similar
but
pronounced
effect.
Additionally,
collagen‐induced
platelet
aggregation
studies,
substantial
anti‐platelet
activity
increasing
dosages,
reducing
10
at
concentration
30
μg/ml,
minimal
inhibition
by
AuNPs.
Overall,
demonstrates
effective
offer
promising
biomedicine.
results
confirm
potential
these
green‐synthesized
cancer
treatment
drug
development