Biosynthesis, characterization, and multifaceted applications of Elytraria acaulis synthesized silver and gold nanoparticles: Anticancer, antibacterial, larvicidal, and photocatalytic activities.
Manickam Sathiyaraj,
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Devan Elumalai,
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Venugopal Rajendran
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et al.
Journal of Photochemistry and Photobiology B Biology,
Journal Year:
2025,
Volume and Issue:
263, P. 113102 - 113102
Published: Jan. 18, 2025
Language: Английский
Unlocking New Frontiers in Healthcare: The Impact of Nano-Optical Biosensors on Personalized Medical Diagnostics
Journal of Biotechnology,
Journal Year:
2025,
Volume and Issue:
400, P. 29 - 47
Published: Feb. 15, 2025
Language: Английский
Gold Nanoparticles: Multifunctional Properties, Synthesis, and Future Prospects
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(22), P. 1805 - 1805
Published: Nov. 11, 2024
Gold
nanoparticles
(NPs)
are
among
the
most
commonly
employed
metal
NPs
in
biological
applications,
with
distinctive
physicochemical
features.
Their
extraordinary
optical
properties,
stemming
from
strong
localized
surface
plasmon
resonance
(LSPR),
contribute
to
development
of
novel
approaches
areas
bioimaging,
biosensing,
and
cancer
research,
especially
for
photothermal
photodynamic
therapy.
The
ease
functionalization
various
ligands
provides
a
approach
precise
delivery
these
molecules
targeted
areas.
NPs'
ability
transfer
heat
electricity
positions
them
as
valuable
materials
advancing
thermal
management
electronic
systems.
Moreover,
their
inherent
characteristics,
such
inertness,
give
rise
synthesis
antibacterial
antioxidant
agents
they
provide
biocompatible
low-toxicity
approach.
Chemical
physical
methods
utilized
produce
gold
NPs.
pursuit
more
ecologically
sustainable
economically
viable
large-scale
technologies,
environmentally
benign
processes
referred
green/biological
synthesis,
has
garnered
increasing
interest
global
researchers.
Green
favorable
than
other
techniques
minimize
necessity
hazardous
chemicals
reduction
process
due
simplicity,
cost-effectiveness,
energy
efficiency,
biocompatibility.
This
article
discusses
importance
NPs,
optical,
conductivity,
antibacterial,
antioxidant,
anticancer
methods,
contemporary
uses,
biosafety,
emphasizing
need
understand
toxicology
principles
green
commercialization
strategies.
Language: Английский
Disseminating the plausibility of biogenic phosphorous nanoparticles as bio nano-fungicide against Aspergillus spp.
Yashi Sharma,
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Abhinav Singh,
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Ritika Chauhan
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et al.
Particulate Science And Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 14
Published: Jan. 30, 2025
Language: Английский
Gold Nanoparticles Derived from Acacia mangium: Optimized Synthesis, Physicochemical Properties, and Bioactivity
Abdul Aji,
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Stevan Ronald Gulo,
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Muhammad Yogi Saputra
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et al.
Journal of Inorganic and Organometallic Polymers and Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Language: Английский
Phytochemical-Mediated Green Synthesis of Silver, Copper, and Ag–Cu Bimetallic Nanoparticles Using Peganum harmala Demonstrating Advanced Catalytic, Antioxidant, and Biomedical Applications
Amjid Khan,
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Muhammad Anas,
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Fouzia Bibi
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et al.
Applied Biochemistry and Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Language: Английский
Bacterial synthesis of anisotropic gold nanoparticles
Applied Microbiology and Biotechnology,
Journal Year:
2025,
Volume and Issue:
109(1)
Published: March 10, 2025
Abstract
Pseudomonas
aeruginosa
was
used
to
synthesize
anisotropic
gold
nanoparticles
from
the
unusually
reducible
aryldiazonium
(III)
salt
of
chemical
formula
[HOOC-4-C
6
H
4
N≡N]AuCl
(abbreviated
as
DS-AuCl
).
We
investigated
effect
bacterial
cell
density,
temperature,
and
pH
on
AuNP
synthesis.
The
density
6.0
×
10
8
CFU/mL
successfully
reduced
0.5
mM
AuNPs
after
incubation
at
37
°C
(24
h),
42
25
(48
h).
Transmission
electron
microscopy
(TEM)
images
revealed
formation
spherical,
triangle,
star,
hexagon,
truncated
triangular
morphologies
for
synthesized
using
P.
bacteria.
average
size
h)
39.0
±
9.1
nm,
26.0
8.1
36.7
7.7
respectively.
3.7,
7.0,
12.7
14.7
3.8
7.3
2.5
respectively,
with
decreasing
a
12.7.
reduction
confirmed
X-ray
photoelectron
spectroscopy
(XPS).
significant
peaks
C1s,
Au4f
doublet,
N1s,
O1s
are
centered
285,
84–88,
400,
532
eV.
ability
inactivated
bacteria
(autoclave-dead
mechanically
lysed
bacteria),
peptidoglycan,
lipopolysaccharides
reduce
also
investigated.
Anisotropic
were
peptidoglycan
but
not
lipopolysaccharides.
demonstrated
biocompatibility
human
RBCs
safe,
no
antibacterial
activities
against
Escherichia
coli
Staphylococcus
aureus
.
This
is
first
report
demonstrating
synthesis
gold(III)
salts
These
promising
candidates
exploring
potential
applications
in
nanomedicine
drug
delivery.
Key
points
•
Dead
residues
AuNPs.
hemocompatible.
Graphical
Language: Английский
One‐Step DES‐Mediated Synthesis of Au Nanoparticles Using Eysenhardtia polystachya Extract and Evaluation of Their Proapoptotic and Anti‐Inflammatory Activities
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(34)
Published: Sept. 5, 2024
Abstract
The
synthesis
of
nanomaterials
using
plant
extracts
is
considered
to
be
a
safer,
environmentally
friendly,
and
cost‐effective
alternative
method.
In
this
work,
Eysenhardtia
polystachya
(EP)
extract
choline
chloride/urea
(ChCl/urea)‐based
deep
eutectic
solvent
(DES)
were
used
for
the
gold
nanoparticles
(AuNPs),
without
an
additional
stabilizing
agent,
which
great
interest
in
field
biomedicine.
antioxidant
capacity
phenolic
content,
involved
reduction
Au
3+
ions
precursor
evaluated.
AuNPs
characterized
by
ultraviolet‐visible
spectroscopy,
Fourier
transform
infrared
X‐ray
diffraction,
dynamic
light
scattering,
ζ‐potential,
confocal
laser
scanning
microscopy,
transmission
electron
microscopy.
are
mostly
quasi‐spherical
shape,
with
multiply‐twinned
structure,
average
particle
size
36
nm,
characteristic
absorption
peak
at
545
nm.
colloidal
stability
was
confirmed
ζ‐potential
value
−32.8
mV.
Finally,
tested
their
potential
cancer
therapy
human
prostate
adenocarcinoma
PC‐3
cells.
anti‐inflammatory
activity
EP
also
results
showed
that
synthesized
could
potentially
induce
cell
death
have
effect.
Language: Английский