Indian Journal of Science and Technology,
Journal Year:
2023,
Volume and Issue:
16(37), P. 3034 - 3042
Published: Oct. 9, 2023
Objective:
Optimization
of
green
synthesis
zinc
oxide
nanoparticles
(ZnONPs)
using
leaf
extracts
Bacopa
monnieri,
Acacia
arabica,
and
Catharanthus
roseus.
Method:
ZnONPs
were
synthesized
through
the
co-precipitation
method
B.
A.
C.
roseus
separately,
at
pH
4,
6,
9,
11,
13
on
various
reaction
duration
to
optimize
biosynthesis.
To
validate
biogenesis
(NPs),
final
product
was
collected
as
white-colored
fine
powder
analyzed
by
UV-visible
spectroscopy,
XRD,
FESEM,
Zeta
potential
analyser.
Findings:
Hexagonal-shaped
with
mean
sizes
33
nm,
35
36
nm
respectively.
Particles
monnieri
extract
had
in
range
40–60
whereas
particles
arabica
1-150
40–80
It
also
observed
that
mixture
affect
biosynthesis
ZnONPs.
At
acidic
(4
6),
not
synthesized,
but
basic
(9,
13),
efficiently.
An
increase
from
9
11
decreases
quantity
nano-powder.
Novelty:
The
is
reported
for
first
time,
comparatively
optimization
extracts.
Keywords:
Green
Approach;
EcoFriendly;
Biosynthesis;
Optimization;
Zinc
Oxide
Nanoparticles
Journal of Hazardous Materials Advances,
Journal Year:
2024,
Volume and Issue:
13, P. 100401 - 100401
Published: Jan. 13, 2024
Bio-synthesized
metal
oxide
(MeO)
nanoparticles
(NPs)
have
triggered
a
huge
global
research
interest
owing
to
their
advancement
and
various
environmental
remediation,
personal
care
products,
medical,
energy,
sensing,
water
treatment
applications.
They
demonstrate
developing
assets
in
industries,
remarkably
with
heightened
physicochemical,
optical,
mechanical,
electronic
attributes.
The
physical
chemical
routes
been
sticking
point
the
production
of
MeO
NPs,
natural
risks
linked
utilizing
these
approaches.
growth
NPs
via
biologic
method
employing
plants
microorganisms
as
precursor
material
for
metal-ions
(MIs)
reduction
stabilization
has
focus
scientists
recent
years.
Hence,
this
review,
comprehensive
brief
bio-synthesis
approaches
using
plant
extracts
(PEs)
microorganism
components
well
factors
affecting
bio-production
applications
toxicity
were
considered.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
885, P. 163912 - 163912
Published: May 5, 2023
Anthropogenic
activities
generally
consume
non-renewable
resources
and
release
polluting
substances
into
the
environment.
Concerning
agriculture,
cropping
systems
are
almost
based
on
exploiting
resources.
In
recent
years,
increasing
interest
has
been
devoted
to
reusing
agricultural,
food
other
biomass
wastes,
considered
relevant
as
they
can
be
seen
rich
in
compounds
that
find
numerous
applications.
Biomass
biorefining
successfully
applied
opened
up
sustainable
alternatives
disposal
of
agroindustrial
wastes.
this
area,
an
emerging,
smart
environmentally
friendly
way
reduce
impact
waste
environment
is
obtain
innovative
materials
for
agriculture.
Therefore,
part
biobased
strategies,
use
biostimulants
biogenic
nanoparticles
crops
recently
proposed.
Some
research
shown
appropriate
nanomaterials
have
potential
counteract
some
problems
plague
The
above
improve
crop
performance,
enhance
tolerance
biotic
abiotic
stresses,
plant
nutrition.
light
above,
review
aspires,
first
part,
provide
overview
ideas
central
points
characterize
concept
bioeconomy
circular
economy.
second
hand,
most
studies
related
valorization
various
types
wastes
leading
their
application
agriculture
presented.
particular,
obtained
through
synthesis
using
residues
considered.
conclusion,
reported
show
biomasses
represents
a
management
valorization,
enabling
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(12), P. 2822 - 2822
Published: Nov. 27, 2024
The
increasing
demand
for
bioactive
compounds
from
plants
has
spurred
the
exploration
of
innovative
strategies
to
enhance
their
production.
This
review
focuses
on
three
advanced
methodologies:
elicitation,
metabolic
engineering,
and
using
biosynthesized
nanoparticles.
Elicitation,
through
application
abiotic
biotic
stressors,
stimulates
plant
defense
mechanisms,
significantly
boosts
secondary
metabolite
Metabolic
engineering
further
refines
this
process
by
genetically
modifying
key
pathways
redirect
resources
towards
synthesis
valuable
compounds.
Additionally,
metallic
oxide
nanoparticles
offer
a
sustainable
method
growth
These
act
not
only
as
elicitors,
but
also
catalyze
processes
improve
efficiency
compound
synthesis.
Despite
significant
advancements,
challenges
remain
in
optimizing
these
approaches
large-scale
agricultural
application,
particularly
understanding
precise
interactions
between
systems.
integration
holds
great
potential
agriculture
development
high-value
phytochemicals.
Future
research
should
focus
unraveling
complex
mechanisms
behind
refining
methods
commercial
use,
ensuring
environmental
economic
sustainability.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(12), P. 2873 - 2873
Published: Nov. 27, 2023
Siderophores
are
low-molecular-weight
and
high-affinity
molecules
produced
by
bacteria
under
iron-limited
conditions.
Due
to
the
low
iron
(III)
(Fe+3)
levels
in
surface
waters
marine
environment,
microbes
produce
a
variety
of
siderophores.
In
current
study,
halophilic
Bacillus
taeanensis
SMI_1,
Enterobacter
sp.,
AABM_9,
Pseudomonas
mendocina
AMPPS_5
were
isolated
from
water
Kalinga
beach,
Bay
Bengal
(Visakhapatnam,
Andhra
Pradesh,
India)
investigated
for
siderophore
production
using
Chrome
Azurol
S
(CAS)
assay.
The
effect
various
parameters
was
also
studied.
optimum
siderophores
SMI_1
93.57%
units
(SU)
(after
48
h
incubation
at
30
°C,
pH
8,
sucrose
as
carbon
source,
sodium
nitrate
nitrogen
0.4%
succinic
acid),
it
87.18
%SU
36
period
presence
sucrose,
ammonium
sulfate,
acid).
maximum
91.17
35
8.5,
glucose,
citric
bacterial
isolates
showed
Fe+3
concentrations
0.10
µM,
0.01
respectively.
(73.09
%SU)
(68.26
Zn+2
(10
µM),
whereas
AABM_9
(50.4
exhibited
Cu+2
µM).
Additionally,
these
better
heavy-metal
chelation
ability
rapid
development
seed
germination
experiments.
Based
on
results,
marine-derived
effectively
amount
siderophores,
which
could
be
employed
industrial
environmental
applications.
Journal of Comparative Physiology A,
Journal Year:
2024,
Volume and Issue:
210(2), P. 249 - 265
Published: March 1, 2024
Abstract
Plants
and
herbivorous
insects
as
well
their
natural
enemies,
such
predatory
parasitoid
insects,
are
united
by
intricate
relationships.
During
the
long
period
of
co-evolution
with
plants
developed
a
wide
diversity
features
to
defence
against
herbivores
attract
pollinators
herbivores’
enemies.
The
chemical
basis
insect-plant
interactions
is
established
many
examples
studied,
where
feeding
oviposition
site
selection
phytophagous
dependent
on
plant’s
secondary
chemistry.
However,
often
overlooked
mechanical
between
can
be
rather
crucial.
In
context
mechanoecology,
evolution
plant
surfaces
insect
adhesive
pads
an
interesting
example
competition
attachment
systems
anti-attachment
surfaces.
present
review
focused
some
important
pest
species,
polyphagous
Southern
Green
Stinkbug
Nezara
viridula
two
frugivorous
Mediterranean
fruit
fly
Ceratitis
capitata
monophagous
olive
Bactrocera
oleae
.
Their
ability
attach
characterised
different
waxes
trichomes
discussed.
Some
attention
paid
also
Coccinellidae,
whose
interaction
leaf
substantial
across
all
developmental
stages
in
both
species
that
feed
insects.
Finally,
role
kinds
anti-adhesive
nanomaterials
They
reduce
pests
artificial
surfaces,
potentially
representing
environmental
friendly
alternative
methods
impact
agriculture.
Journal of Plant Nutrition,
Journal Year:
2024,
Volume and Issue:
48(4), P. 703 - 725
Published: Nov. 3, 2024
Bio-stimulants
are
crop
supplements
that
have
the
potential
to
foster
robust
growth,
increase
productivity,
and
enhance
quality
of
yields,
even
in
face
climate
change
abiotic
stresses.
Recent
studies
shed
light
on
benefits
plant
bio-stimulants
across
horticultural
perennial
crops.
However,
their
utilization
is
limited
agricultural
land,
hydroponic
systems,
soilless
media,
fertigation
systems.
Uncertainties
exist
regarding
safety,
durability,
inconsistent
results
glasshouse
field
applications.
To
expand
global
bio-stimulant
market,
it
essential
implement
innovative
strategies
improve
safety
overall
quality.
In
this
context,
we
present
a
comprehensive
review
addresses
key
challenges
developing
bio-stimulants,
along
with
practical
insights
constructive
ideas
for
enhancing
value
By
adopting
these
suggested
improvements,
production
can
be
widely
integrated
into
hydroponics
improving
growth
disease
prevention,
given
inherent
bio-stimulation
biocontrol
properties.
This
article
critically
examines
nanotechnology,
encapsulation
approaches,
novel
assessment
methods
efficacy,
facilitate
integration
organic
active
components,
application
techniques,
achieve
precise
delivery.
Introducing
products
expected
crucial
promoting
sustainable,
high-value,
intensive
production.
Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: May 16, 2024
This
work
successfully
demonstrates
a
sustainable
and
environmentally
friendly
approach
for
synthesizing
Semal-ZnO
nanoparticles
(NPs)
using
the
aqueous
leaf
extract
of
Bombax
ceiba
L.
These
NPs
exhibit
an
absorption
peak
at
approximately
390
nm
in
UV-visible
spectrum
energy
gap
(E
g
)
3.11
eV.
Detailed
analyses
morphology
particle
size
various
spectroscopic
microscopic
techniques,
XRD,
FE-SEM
with
EDS,
HR-TEM
reveal
crystallographic
peaks
attributable
to
hexagonal
phase,
average
crystal
17
nm.
The
also
notable
photocatalytic
efficiency
degrading
methylene
blue
(MB)
methyl
orange
(MO)
under
sunlight
different
water
samples
collected
from
diverse
natural
sources,
indicating
that
they
are
promising
photocatalysts
environmental
remediation.
biofabricated
is
impressive,
exhibiting
photodegradation
rate
up
99%
MB
79%
MO
exposure
sunlight.
novel
phytofabricated
thus
beacon
hope
environment,
their
desirable
efficiency,
pseudo-first-order
kinetics,
ability
break
down
noxious
dye
pollutants
aquatic
environments.