Process Safety and Environmental Protection,
Год журнала:
2024,
Номер
203, С. 583 - 594
Опубликована: Фев. 7, 2024
Heavy
metals
enter
our
environment
through
diverse
resources,
causing
harmful
effects
owing
to
their
inherent
toxicity
and
facile
migration
into
aqueous
medium,
becoming
an
environmental
challenge.
Among
technologies
able
remove
these
contaminants,
the
adsorption
process
emerges
as
a
promising
application
for
water
treatment.
Herein,
functionalized
silica
magnetic
nanoparticles
using
inorganic
organic
have
been
employed
adsorbents
hazards
from
wastewater
effectively.
Magnetic
silicate
core-shell
amino-functionalized
(Fe3O4@SiO2-AP)
nanocomposites
were
synthesised
acrylic
acid
(AA)
para-aminobenzoic
(PABA)
dual
copolymer
Cd
(II)
removal.
The
characterization
analysis
confirmed
formed
crystal
nanostructure
copolymers
chemically
introduced
in
nanoparticle.
results
on
achieved
impressive
qmax
of
32.50
mg/g
at
pH
8,
adsorbent
dosage
3
g/L,
concentration
100
ppm.
laboratory-scale
fixed-bed
column
showed
breakthrough
curves
are
flow
rate
independent,
achieving
metal
removal
99%
405
min,
influent
ion
ppm,
5
mL/min,
1
cm
bed
height.
Freundlich
model
was
most
suitable
fitting
equilibrium
data
(R2adj
=
0.981)
indicating
multi-layer
phenomenon
heterogeneous
surface
sites
nanocomposites.
pseudo-second-order
=0.999)
confirms
that
depends
active
occurs
by
chemical
sorption
mechanism.
reusability
adsorption-desorption
experiments
slightly
decreased
97.5%
86.7%
sixth
cycle
stability,
demonstrating
material
stability.
Abstract
Nowadays,
magnetic
nanoparticles
(MNPs)
are
applied
in
numerous
fields,
especially
biomedical
applications.
Since
biofluidic
samples
and
biological
tissues
nonmagnetic,
negligible
background
signals
can
interfere
with
the
from
MNPs
biosensing
imaging
In
addition,
be
remotely
controlled
by
which
make
it
possible
for
separation
targeted
drug
delivery.
Furthermore,
due
to
unique
dynamic
magnetizations
of
when
subjected
alternating
also
proposed
as
a
key
tool
cancer
treatment,
an
example
is
hyperthermia
therapy.
Due
their
distinct
surface
chemistry,
good
biocompatibility,
inducible
moments,
material
morphological
structure
design
has
attracted
enormous
interest
variety
scientific
domains.
Herein,
thorough
review
chemical
synthesis
strategies
MNPs,
methodologies
modify
better
physicochemical
characterization
techniques
well
some
representative
applications
disease
diagnosis
treatment
provided.
Further
portions
go
into
diagnostic
therapeutic
uses
composite
core/shell
structures
deeper
analysis
MNP
properties
learn
about
potential
Materials Today Advances,
Год журнала:
2022,
Номер
13, С. 100205 - 100205
Опубликована: Янв. 6, 2022
Microfluidic
technology
is
a
relatively
new
field
among
the
various
conventional
bulk
techniques
employed
for
nanomaterial
synthesis.
Nanoparticles
(NPs)
produced
using
such
methods
generally
have
poor
surface
features,
morphology,
uncontrolled
size
and
broad
distributions.
NPs
especially
used
in
biomedical
sector
require
degree
of
control
over
their
size,
polydispersity
to
improve
functionality.
To
synthesize
NPs,
microfluidic
devices
are
ideal
as
parameters
mixing
rates,
flow
volumes,
multiphase
reactions
can
be
controlled
on
micro/nanoscale.
There
several
strategies
challenges
synthesis
nanoparticles
from
organic
inorganic
materials
platform.
The
faced
during
design
implementation
these
devices,
large
scale
production
interaction
with
soft
lithography
materials,
which
overcome
by
use
technique
conjugation
microfluidics,
parallelisation
processes
search
fabrication
materials.
On
other
hand,
organ-on-chip
(OOC)
analytical
cell
cutures
present
mimic
an
organ
along
its
physio-chemical
properties
study
cell-nanoparticle
interaction.
issues
construction
cultures
within
device
affected
As
biocompatible
being
printed
into
more
appropriate
designs,
utilized
contain
said
reduce
risk
error
analysis
NP
properties,
efficiency
toxicity.
This
review
aims
discuss
recent
developments
well
toxicity
efficacy
evaluations
technology.
Applied Water Science,
Год журнала:
2023,
Номер
13(3)
Опубликована: Фев. 9, 2023
Abstract
The
tannery
industry
inevitably
generates
toxic
and
catastrophic
wastewater,
which
results
in
a
huge
threat
to
public
health
water
resources.
Therefore,
this
work
aimed
synthesize
parthenium
hysterophorus-based
biochar–Fe
3
O
4
composite
for
removal
of
Cr(VI)
from
wastewater
under
full
factorial
experimental
designs
the
Box–Behnken,
was
analyzed
using
response
surface
methodology
four
independent
factors
pH
(3,
6,
9),
initial
concentrations
(40,
70,
100
mg/L),
contact
times
(30,
60,
90
min),
adsorbent
doses
(20,
mg/100
mL).
This
described
by
high
BET
area
237.4
m
2
/g,
XRD
prominent
peaks,
SEM
morphology
corroborate
FTIR
multifunctionalities
O–H
at
3296
cm
−1
,
vibration
ketone
C–OH
1240
C–O–C
1147
Fe–O
stretching
542
.
maximum
Cr(IV)
efficiency
91.8%
recorded
an
concentration
40
mg/L,
3,
dose
mL,
time
min,
whereas
minimum
17.3%
observed
20
mL
dose,
9,
30
min.
real
determined
be
85.13
mg/L
its
remediation
found
81.8%.
Langmuir’s
model
best
fit
with
data
R
0.99
q
max
400
mg/g,
showing
that
adsorption
process
homogenous
monolayer.
In
conclusion,
were
encouraging,
appears
potential
candidate
Cr
wastewater.
Langmuir,
Год журнала:
2023,
Номер
39(6), С. 2333 - 2346
Опубликована: Янв. 31, 2023
Antifouling
(AF)
nanocoatings
made
of
polydimethylsiloxane
(PDMS)
are
more
cost-efficient
and
eco-friendly
substitutes
for
the
already
outlawed
tributyltin-based
coatings.
Here,
a
catalytic
hydrosilation
approach
was
used
to
construct
design
inspired
by
composite
mosquito
eyes
from
non-toxic
PDMS
nanocomposites
filled
with
graphene
oxide
(GO)
nanosheets
decorated
magnetite
nanospheres
(GO-Fe3O4
nanospheres).
Various
GO-Fe3O4
hybrid
nanofillers
were
dispersed
into
resin
through
solution
casting
method
evaluate
structure-property
relationship.
A
simple
coprecipitation
procedure
fabricate
an
average
diameter
30-50
nm,
single
crystal
structure,
predominant
(311)
lattice
plane.
The
uniform
bioinspired
superhydrophobic
PDMS/GO-Fe3O4
nanocomposite
surface
produced
had
micro-/nano-roughness,
low
surface-free
energy
(SFE),
high
fouling
release
(FR)
efficiency.
It
exhibited
several
advantages
including
simplicity,
ease
large-area
fabrication,
simultaneous
offering
dual
micro-/nano-scale
structures
simply
via
one-step
process
wide
variety
materials.
superhydrophobicity,
SFE,
rough
topology
have
been
studied
as
properties
unfilled
silicone
nanocomposites.
coatings'
physical,
mechanical,
anticorrosive
features
also
taken
account.
Several
microorganisms
employed
examine
resistance
coated
specimens
1
month.
Good
dispersion
fillers
in
coating
until
wt
%
achieved
highest
water
contact
angle
(158°
±
2°),
lowest
SFE
(12.06
mN/m),
improved
bulk
mechanical
anticorrosion
properties.
well-distributed
(1
nanofillers)
nanocoating
showed
least
biodegradability
against
all
tested
[Kocuria
rhizophila
(2.047%),
Pseudomonas
aeruginosa
(1.961%),
Candida
albicans
(1.924%)].
We
successfully
developed
non-toxic,
low-cost,
economical
nanostructured
FR
coatings
long-term
ship
hull
This
study
may
expand
applications
bio-inspired
functional
materials
because
multiple
AF,
durability
hydrophobicity
both
important
industrial
applications.
Resources,
Год журнала:
2024,
Номер
13(6), С. 70 - 70
Опубликована: Май 26, 2024
The
synthesis
of
inorganic
nanoparticles
for
diverse
applications
is
an
active
research
area
that
involves
physical
and
chemical
methods,
which
typically
are
expensive,
involve
hazardous
reagents,
use
complex
equipment
conditions,
consume
large
amounts
time
energy.
Thus,
green
methods
have
emerged
as
eco-friendly
easy
alternatives
nanoparticle
synthesis,
particularly
the
plant-based
extracts
from
fruit
juice,
leaves,
seeds,
peel,
stem,
barks,
roots,
act
reducing,
capping,
stabilizing
agents,
contributing
to
Sustainable
Development
Goals
circular
economy
principles.
Therefore,
been
synthesized
using
extracts,
including
gold,
silver,
titanium
dioxide,
zinc,
copper,
platinum,
zirconium,
iron,
selenium,
magnesium,
nickel,
sulfur,
cobalt,
palladium,
indium
nanoparticles,
exhibit
different
biological
activities
such
antioxidant,
antimicrobial,
dye
degradation,
cytotoxic,
analgesic,
sedative,
wound-healing,
skin
protection,
sensor
development,
plant-growth-promoting
effects.
this
review
summarizes
advantages
limitations
agents
synthesis.
Applied Sciences,
Год журнала:
2024,
Номер
14(4), С. 1623 - 1623
Опубликована: Фев. 17, 2024
In
recent
years,
the
use
of
magnetic
nanoparticles
(MNPs)
in
biomedical
applications
has
gained
more
and
attention.
Their
unusual
properties
make
them
ideal
candidates
for
advancement
diagnosis,
therapy,
imaging
applications.
This
review
addresses
MNPs
field
biomedicine
encompassing
their
synthesis,
biofunctionalization,
unique
physicochemical
that
such
The
synthesis
involves
a
range
techniques
allow
control
over
particle
size,
shape,
surface
modifications.
most
commonly
used
play
crucial
role
tailoring
are
summarized
this
review.
Nevertheless,
main
characterization
can
be
employed
after
successful
procedure
also
included
together
with
short
description
As
is
rapidly
evolving,
aims
to
serve
as
valuable
resource,
especially
young
researchers
medical
professionals,
offering
basic
but
very
useful
insights
into
advancements
future
prospects
highly
interdisciplinary
research
topic.
Results in Chemistry,
Год журнала:
2024,
Номер
7, С. 101388 - 101388
Опубликована: Янв. 1, 2024
Water
pollution
poses
significant
environmental
and
health
challenges
globally
due
to
increasing
industrialization
urbanization,
which
have
led
a
rise
in
wastewater
discharges
containing
hazardous
pollutants.
These
pollutants
not
only
degrade
aquatic
ecosystems
but
also
pose
risks
human
health.
To
address
these
issues,
researchers
been
exploring
various
treatment
technologies
including
adsorption
specific
can
be
removed
efficiently
selectively
using
adsorbents.
Magnetic
adsorbents,
especially
magnetite
(Fe3O4),
emerged
as
promising
adsorbent
material
for
water
purification.
Its
high
surface
area,
supermagnetism,
ease
of
functionalization
make
it
suitable
the
many
contaminants.
In
this
Review,
we
highlight
recent
developments
Fe3O4
nano
adsorbents
synthesis,
properties,
strategies,
challenges.
The
stability
were
discussed.
A
comparison
Fe3O4-based
traditional
was
then
addressed.
Finally,
an
outlook
on
opportunities
future
advancement
practical
application
is
provided.
Such
interdisciplinary
research
field
expected
stimulate
further
nanoscience
advanced
nanotechnology
treatment.