Advances in environmental engineering and green technologies book series,
Год журнала:
2024,
Номер
unknown, С. 126 - 147
Опубликована: Май 1, 2024
The
soil's
composition,
structure,
and
nutrients
have
altered
throughout
time.
These
changes
are
natural
anthropogenic.
Economic,
environmental,
social
benefits,
including
ecosystem
services,
come
from
restoring
degraded
land
exploiting
marginal
land.
Most
physiochemical
remedies
for
damaged
difficult,
costly,
time-consuming.
Nano-remediation
nano-restoration
novel,
efficient,
cost-effective,
eco-friendly,
dependable
toxin
remediation
risk
reduction.
high
surface
area/volume
ratio,
increased
reactivity,
customizable
physical
qualities,
adaptability
of
nanoscale
entities
make
them
attractive
soil
remediation.
Different
nanomaterials
(NMs)
nanotools
can
clean
up
pollutants.
Both
foreign
chemicals
polluted
location
affect
these
methods.
Decontaminating
contaminants
with
reduces
their
detrimental
effects
on
humans,
plants,
animals.
It
also
discusses
nanoparticles
(NPs)
ex-
in-situ
cleanup.
authors
discuss
item
uses
in
restoration
this
chapter.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
281, С. 116620 - 116620
Опубликована: Июнь 21, 2024
Iron-nanoparticles
(Fe-NPs)
are
increasingly
been
utilized
in
environmental
applications
due
to
their
efficacy
and
strong
catalytic
activities.
The
novelty
of
nanoparticle
science
had
attracted
many
researchers
especially
for
green
synthesis,
which
can
effectively
reuse
biological
resources
during
the
polymerization
reactions.
Thus,
synthesis
Fe-NPs
utilizing
plant
extracts
could
be
considered
as
eco-friendly,
simple,
rapid,
energy-efficient,
sustainable,
cost-effective.
route
recognized
a
practical,
valuable,
economically
effective
alternative
large-scale
production.
During
production
process,
some
biomolecules
present
undergo
metal
salts
reduction,
serve
both
capping
reducing
mechanism,
enhancing
reactivity
stability
green-synthesized
Fe-NPs.
diversity
species
provided
wide
range
potential
sources
With
improved
understanding
specific
involved
bioreduction
stabilization
processes,
it
will
become
easier
identify
utilize
new,
materials
synthesis.
Newly
synthesized
require
different
characterization
techniques
such
transmission
electron
microscope,
ultraviolet-visible
spectrophotometry,
X-ray
absorption
fine
structure,
etc,
determination
size,
composition,
structure.
This
review
described
assessed
recent
advancements
derived
from
plant-based
material.
Detailed
information
on
various
suitable
yielding
valuable
with
diverse
safety.
Additionally,
this
examined
employed
analyze
Fe-NPs,
stability,
accumulation,
mobility,
fate
environment.
Holistically,
remediating
wastewaters,
organic
residues,
inorganic
contaminants.
toxicity
was
also
addressed;
emphasizing
need
refine
ensure
safety
friendliness.
Moving
forward,
future
challenges
opportunities
associated
would
motivate
novel
research
about
nanoparticles
new
directions.
Microbial Cell Factories,
Год журнала:
2025,
Номер
24(1)
Опубликована: Янв. 14, 2025
Abstract
Extensive
anthropogenic
activity
has
led
to
the
accumulation
of
organic
and
inorganic
contaminants
in
diverse
ecosystems,
which
presents
significant
challenges
for
environment
its
inhabitants.
Utilizing
microalgae
as
a
bioremediation
tool
can
present
potential
solution
these
challenges.
Microalgae
have
gained
attention
promising
biotechnological
detoxifying
environmental
pollutants.
This
is
due
their
advantages,
such
rapid
growth
rate,
cost-effectiveness,
high
oil-rich
biomass
production,
ease
implementation.
Moreover,
microalgae-based
remediation
more
environmentally
sustainable
not
generating
additional
waste
sludge,
capturing
atmospheric
CO
2
,
being
efficient
nutrient
recycling
algal
production
biofuels
high-value-added
products
generation.
Hence,
achieve
sustainability's
three
main
pillars
(environmental,
economic,
social).
Microalgal
mediate
contaminated
wastewater
effectively
through
accumulation,
adsorption,
metabolism.
These
mechanisms
enable
reduce
concentration
heavy
metals
levels
that
are
considered
non-toxic.
However,
several
factors,
microalgal
strain,
cultivation
technique,
type
pollutants,
limit
understanding
removal
mechanism
efficiency.
Furthermore,
adopting
novel
technological
advancements
(e.g.,
nanotechnology)
may
serve
viable
approach
address
challenge
refractory
pollutants
process
sustainability.
Therefore,
this
review
discusses
ability
different
species
mitigate
persistent
industrial
effluents,
dyes,
pesticides,
pharmaceuticals.
Also,
paper
provided
insight
into
nanomaterials,
nanoparticles,
nanoparticle-based
biosensors
from
immobilization
on
nanomaterials
enhance
open
new
avenue
future
advancing
research
regarding
biodegradation
Journal of Composites Science,
Год журнала:
2023,
Номер
7(12), С. 488 - 488
Опубликована: Ноя. 26, 2023
For
over
a
century,
enzyme
immobilisation
has
been
proven
to
be
superior
strategy
improve
catalytic
activity
and
reusability
ensure
easy
separation,
operation,
reduced
cost.
Enzyme
allows
for
an
easier
separation
of
the
from
reaction
mixture,
thus
simplifying
downstream
processing.
This
technology
protects
degradation
or
inactivation
by
harsh
conditions,
making
it
more
robust
suitable
used
in
various
applications.
Recent
strategies
methods,
such
as
adsorption,
cross-linking,
entrapment
encapsulation,
covalent
bonding,
were
critically
reviewed.
These
have
shown
promising
results
improving
stability,
activity,
A
recent
development
nanomaterials
agrowaste
renewable
carriers
is
underlined
current
review.
Furthermore,
use
gained
significant
attention
due
their
unique
properties,
high
surface
area,
mass
transfer,
biocompatibility,
sustainability.
materials
offer
outcomes
developing
efficient
sustainable
immobilised
enzymes.
state-of-the-art
better
control
reactions
enhances
reusability,
leading
cost-effective
environmentally
friendly
processes.
The
also
helps
reduce
waste
generation
promote
utilisation
resources,
further
contributing
circular
economy.
Nanotechnology
has
demonstrated
significant
potential
to
improve
agricultural
production
and
increase
crop
tolerance
abiotic
stress
including
exposure
heavy
metals.
The
present
study
investigated
the
mechanisms
by
which
aloe
vera
extract
gel-biosynthesized
(AVGE)
selenium
nanoparticles
(Se
NPs)
alleviated
cadmium
(Cd)-induced
toxicity
rice
(Oryza
sativa
L.).
AVGE
Se
NPs,
chemically
synthesized
bare
NaSeO3
as
an
ionic
control
were
applied
Cd-stressed
seedlings
via
root
in
both
hydroponic
soil
systems.
Upon
NPs
at
15
mg
Se/L,
fresh
biomass
was
significantly
increased
100.7%
19.5%
compared
Cd
conventional
NPs.
Transcriptional
analyses
highlighted
that
activated
signaling
defense
related
pathways,
glutathione
metabolism,
phenylpropanoid
biosynthesis
plant
hormone
signal
transduction.
Specifically,
upregulated
expression
of
genes
associated
with
gibberellic
acid
(GA)
4.79-
3.29-fold
Cd-alone
treatment
untreated
control,
respectively.
Importantly,
restored
composition
endophyte
community
recruit
beneficial
species
under
exposure;
relative
abundance
Azospirillum
roots,
shoots,
rhizosphere
0.73-,
4.58-
0.37-fold,
respectively,
treatment.
Collectively,
these
findings
highlight
enhance
growth
minimize
Cd-induced
provide
a
promising
nanoenabled
strategy
food
safety
upon
cultivation
contaminated
soils.
Abstract
This
study
synthesized
three
MoS₂
morphologies—nanospheres,
nanoplatelets,
and
nanosheets—under
varied
conditions
incorporated
them
into
chitosan
membranes.
TEM
confirmed
unique
morphologies
crystallinity.
Clean
water
flux
showed
that
the
nanoplatelet
(P-CM)
membrane
had
highest
due
to
higher
porosity.
The
P-CM
excelled
in
removing
Mn²⁺
Zn²⁺
ions,
achieving
93.0
±
0.5%
90.4
1.5%
removal,
outperforming
membranes
with
nanospheres
(S-CM)
nanosheets
(T-CM).
Its
superior
performance
is
attributed
thicker
nanoplatelets
forming
more
channels.
MoS₂‘s
tri-layered
structure
generated
reactive
oxygen
species
(ROS)
via
H₂O₂
catalysis,
contributing
enhanced
heavy
metal
removal.
These
adsorptive-catalytic
combine
adsorption
catalytic
decomposition
of
metals,
highlighting
work’s
novelty
performance.
demonstrated
excellent
recovery
reusability
(96.0
for
P-CM)
after
chemical
cleaning.
findings
emphasize
impact
nanomaterial
on
treatment
environmental
remediation.
