Current Nanomaterials,
Journal Year:
2023,
Volume and Issue:
9(2), P. 109 - 147
Published: May 26, 2023
Abstract:
Nanotechnology
is
a
cornerstone
of
the
scientific
advances
witnessed
over
past
few
years.
applications
are
extensively
broad,
and
an
overview
main
trends
worldwide
can
give
insight
into
most
researched
areas
gaps
to
be
covered.
This
document
presents
trend
topics
three
leading
countries
studying
in
this
area,
as
well
Brazil
for
comparison.
The
data
mining
was
made
from
Scopus
database
analyzed
using
VOSviewer
Voyant
Tools
software.
More
than
44.000
indexed
articles
published
2010
2020
revealed
that
responsible
highest
number
United
States,
China,
India,
while
fifteenth
position.
Thematic
global
networks
standing-out
research
health
science,
energy,
wastewater
treatment,
electronics.
In
temporal
observation,
primary
are:
India
(2020),
which
devoted
facing
SARS-COV
2;
(2019),
developing
promising
strategies
combat
cancer;
China
(2018),
whit
on
nanomedicine
triboelectric
nanogenerators;
States
(2017)
Global
tendencies
(2018)
also
related
development
nanogenerators.
collected
available
GitHub.
study
demonstrates
innovative
use
data-mining
technologies
gain
comprehensive
understanding
nanotechnology's
contributions
highlights
diverse
priorities
nations
cutting-edge
field.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(5), P. 888 - 888
Published: May 15, 2023
The
use
of
algae-based
green
synthesis
metal
oxide
nanoparticles
(MONPs)
for
bioremediation
is
an
environmentally
friendly
and
cost-effective
alternative
to
conventional
approaches.
Algal-mediated
offers
several
benefits
over
other
biogenic
processes,
such
as
plants,
bacteria,
fungi,
including
ease
synthesis,
scalability,
rapid
synthesis.
Algae
are
readily
available
in
nature,
nontoxic,
can
produce
various
types
nanoparticles.
This
approach
could
significantly
accelerate
the
development
novel
algae-nanomaterials
with
improved
properties
performance,
leading
more
efficient
pollutants
from
water
solutions,
seawater,
industrial
effluent.
review
focuses
on
fabrication
based
aquatic
plants
(microalgae
seaweeds)
due
their
many
advantages
attractive
applications
pollutant
remediation
aqueous
solutions.
Additionally,
photocatalysis
highlighted
a
promising
tool
effluents
its
efficacy,
use,
quick
oxidation,
cost-effectiveness,
reduced
harmful
byproducts.
Microbial Cell Factories,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 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
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(3), P. 289 - 289
Published: Jan. 31, 2024
The
purification
and
densification
of
wastewater
play
an
important
role
in
water
recycling,
especially
if
the
materials
used
recycling
are
other
types
recycled
waste.
Therefore,
considering
this
view
study,
biosynthesis
silver-decorated
chromium
oxide
nanoparticles
utilizing
a
wasted
Allium
sativum
(garlic)
peel
extract
is
investigated.
aqueous
garlic
(GPE)
was
treated
with
silver
nitrate,
mixture
nitrate
to
synthesize
(Ag-garlic),
(Cr2O3-garlic),
(Ag@Cr2O3-garlic),
respectively.
synthesized
were
elucidated
via
thermal
gravimetric
analysis
(TGA),
infrared
spectra
(FT-IR),
absorption
(UV-Vis),
scanning
electron
microscopy
(SEM),
energy
dispersive
X-ray
(EDX),
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
transmission
(TEM).
Antimicrobial
activity
studies
conducted
against
waterborne
germs,
bacterial
strains
(Bacillus
subtilis,
Enterococcus
faecium,
Escherichia
coli,
Pseudomonas
aeruginosa),
fungal
(Alternaria
porri,
Aspergillus
flavus,
niger,
Fuserium
oxysporum,
Trichoderma
longibrachiatum)
showed
significant
levels
antimicrobial
activity.
results
revealed
that
Ag@Cr2O3
significantly
improved
due
their
synergistic
effect.
photocatalytic
assessed
using
Rhodamine
B
dye
(5
ppm)
under
solar
irradiation.
Cr2O3-garlic
exhibited
best
as
photocatalyst
among
studied
nanoparticles,
97.5%
degradation
efficiency
optimal
conditions.
