Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(20), P. 2795 - 2795
Published: Oct. 20, 2023
Magnetite
nanoparticles
(Fe3O4
NPs)
are
among
the
most
investigated
nanomaterials,
being
recognized
for
their
biocompatibility,
versatility,
and
strong
magnetic
properties.
Given
that
applicability
depends
on
dimensions,
crystal
morphology,
surface
chemistry,
Fe3O4
NPs
must
be
synthesized
in
a
controlled,
simple,
reproducible
manner.
Since
conventional
methods
often
lack
tight
control
over
reaction
parameters
produce
materials
with
unreliable
characteristics,
increased
scientific
interest
has
been
directed
to
microfluidic
techniques.
In
this
context,
present
paper
describes
development
of
an
innovative
3D
platform
suitable
synthesizing
uniform
fine-tuned
On-chip
co-precipitation
was
performed,
followed
by
microwave-assisted
silanization.
The
obtained
were
characterized
from
compositional
microstructural
perspectives
X-ray
diffraction
(XRD)
transmission
electron
microscopy
(TEM).
Moreover,
supplementary
physicochemical
investigations,
such
as
Fourier
Transform
Infrared
Spectroscopy
(FT-IR),
Kaiser
Test,
Ultraviolet-Visible
(UV-Vis)
Spectrophotometry,
Dynamic
Light
Scattering
(DLS),
Thermogravimetry
Differential
Scanning
Calorimetry
(TG-DSC)
analyses,
demonstrated
successful
modification.
Considering
positive
results,
presented
synthesis
functionalization
method
represents
fast,
reliable,
effective
alternative
producing
tailored
nanoparticles.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(4), P. 971 - 971
Published: Feb. 16, 2023
Iron
oxide
nanoparticles
are
one
of
the
nanocarriers
that
suitable
for
novel
drug
delivery
systems
due
to
low
toxicity,
biocompatibility,
loading
capacity,
and
controlled
cancer
cells.
The
purpose
present
study
is
synthesis
coated
iron
sorafenib
(SFB)
its
effects
on
In
this
study,
Fe3O4
were
synthesized
by
co-precipitation
method,
then
was
loaded
onto
PEG@Fe3O4
nanoparticles.
FTIR
used
ensure
polyethylene
glycol
(PEG)
binding
nanoshells.
A
comparison
mean
size
crystalline
structure
performed
TEM,
DLS,
X-ray
diffraction
patterns.
Then,
cell
viability
obtained
MTT
assay
3T3
HepG2
lines.
According
FT-IR
results,
presence
O-H
C-H
bands
at
3427
cm-1
1420
peak
correlate
with
PEG
XRD
pattern
showed
cubic
spinel
trapped
magnetite
carrying
medium.
magnetic
properties
examined
a
vibrating-sample
magnetometer
(VSM).
IC50
values
72
h
treatment
carriers
Fe3O4@PEG
nanoparticle
line
15.78
μg/mL
(p
<
0.05).
This
using
them
in
process
could
be
beneficial
increasing
effect
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(4), P. e14682 - e14682
Published: March 28, 2023
Magnetic-stimuli
responsive
hydrogels
are
quickly
becoming
a
promising
class
of
materials
across
numerous
fields,
including
biomedical
devices,
soft
robotic
actuators,
and
wearable
electronics.
Hydrogels
commonly
fabricated
by
conventional
methods
that
limit
the
potential
for
complex
architectures
normally
required
rapidly
changing
custom
configurations.
Rapid
prototyping
using
3D
printing
provides
solution
this.
Previous
work
has
shown
successful
extrusion
magnetic
hydrogels;
however,
extrusion-based
is
limited
nozzle
resolution
ink
viscosity.
VAT
photopolymerization
offers
higher
control
over
build-architecture.
Liquid
photo-resins
with
nanocomposites
suffer
from
nanoparticle
agglomeration
due
to
local
fields.
In
this
work,
we
develop
an
optimised
method
homogenously
infusing
up
2
wt
%
superparamagnetic
iron
oxide
nanoparticles
(SPIONs)
10
nm
diameter
into
photo-resin
composed
water,
acrylamide
PEGDA,
improved
homogeneity
reduced
during
printing.
The
printed
starfish
exhibited
high
mechanical
stability
robust
properties
maximum
Youngs
modulus
1.8
MPa
shape
deformation
10%
when
swollen.
Each
individual
arm
could
be
magnetically
actuated
remote
field
applied.
grab
onto
magnet
all
arms
central
was
Ultimately,
these
retained
their
post-printing
returned
original
formation
once
had
been
removed.
These
can
used
wide
range
applications,
robotics
stimulated
actuators.
Carbon Trends,
Journal Year:
2023,
Volume and Issue:
13, P. 100305 - 100305
Published: Oct. 15, 2023
Cancer
therapy
with
targeted-localized
heating
is
one
of
the
breakthroughs
in
biomedical
field.
The
incorporation
magnetic
nanoparticles
and
fluorescent
was
crucial
issues
for
hyperthermia
applications.
This
research
investigates
properties
green-synthesized
Fe3O4/CDs.
Fe3O4
were
synthesized
using
coprecipitation
method
Moringa
oleifera
leaf
extract
as
a
reducing
agent
stabilizer.
In
contrast,
CDs
hydrothermal
watermelon
rind
waste
carbon
source.
X-ray
diffraction
analysis
confirmed
presence
cubic
inverse
spinel
reduction
crystallite
size
increasing
concentration.
Transmission
electron
microscopy
revealed
particle
distributions
9.7
nm
7.5
Scanning
showed
that
distributed
on
surface
Fe3O4.
detection
characteristic
Fe-O,
C=C,
C-O,
C-O-C
bonds
indicated
Ultraviolet-visible
spectroscopy
spectra
absorption
peaks
at
282
193
Photoluminescence
shifts
from
509
to
505
excitation
wavelength
both
Fe3O4/CDs,
situated
within
green
region
visible
light.
vibrating
sample
magnetometer
nanocomposites
displayed
characteristics
soft
ferromagnetic
materials.
Furthermore,
specific
rate
(SAR)
value
Fe3O4/CDs
found
be
dependent
magnetization.
SAR
decreased
concentration
increased,
frequency
strength
AMF
increased.
Therefore,
these
results
can
promote
promising
candidate
Pharmaceutics,
Journal Year:
2022,
Volume and Issue:
14(12), P. 2584 - 2584
Published: Nov. 24, 2022
Because
of
the
unique
physicochemical
properties
magnetic
iron-based
nanoparticles,
such
as
superparamagnetism,
high
saturation
magnetization,
and
effective
surface
area,
they
have
been
applied
in
biomedical
fields
diagnostic
imaging,
disease
treatment,
biochemical
separation.
Iron-based
nanoparticles
used
resonance
imaging
(MRI)
to
produce
clearer
more
detailed
images,
therapeutic
applications
fluid
hyperthermia
(MFH).
In
recent
years,
researchers
clay
minerals,
ceramic
materials
with
construct
nanocomposite
enhanced
saturation,
thermal
effects.
Owing
their
structure
large
specific
can
be
homogenized
by
adding
different
proportions
minerals
before
after
modification
enhance
magnetization.
this
review,
we
assess
potential
improve
preparation
multifunctional
composite
through
combination
materials.
We
demonstrate
ferromagnetic
enhancement
for
MRI
diagnosis,
drug
delivery,
MFH
therapy,
cellular
applications.