Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 31, 2024
Magnetic
nanoparticles
(MNPs)
are
of
great
interest
for
their
wide
applications
in
biomedical
applications,
such
as
bioimaging,
antitumoral
therapies,
regenerative
medicine,
and
drug
delivery.
The
work
aimed
to
obtain
biocompatible
magnetite
coated
with
amino
acids
the
general
formula
Fe
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
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 760 - 772
Published: Jan. 2, 2024
Magnetite
nanoparticles
(MNPs),
with
their
distinct
properties
and
controllability
by
using
magnetic
fields,
have
secured
a
central
position
in
various
industrial
applications.
Nevertheless,
the
surging
demand
for
MNPs
necessitates
meticulous
examination
of
sustainability
production
processes.
This
study
embarks
on
comprehensive
evaluation
four
case
studies
associated
large-scale
MNPs,
specifically
focused
environmental,
economic,
exergy
aspects.
Our
environmental
assessment,
employing
life
cycle
revealed
that
microfluidic
devices
(Case
Study
4)
showcased
promising
footprint.
With
lowest
electricity
impact
constituting
only
8%
overall
impact,
it
substantiates
efficacy
mitigating
ecological
repercussions.
Economic
analysis
further
reinforced
Case
4.
They
exhibited
superior
financial
viability,
boasting
net
present
value
US$
28,033,346,
modified
internal
rate
return
19.73%,
benefit–cost
ratio
2.07.
These
figures
underscore
economic
robustness
this
methodology,
suggesting
an
enticing
prospect
MNP
manufacturers.
Finally,
our
exergetic
demonstrated
4
least
total
destruction,
thereby
displaying
thermodynamic
efficiency.
In
summary,
indicates
adoption
significantly
enhances
performance,
feasibility,
energy
utilization.
findings
offer
vital
insights
those
seeking
to
balance
demands
objectives.
Magnetochemistry,
Journal Year:
2023,
Volume and Issue:
9(4), P. 106 - 106
Published: April 12, 2023
Nanoplatforms
used
for
the
loading
of
anticancer
drugs
constitute
a
promising
approach
to
cancer
treatment
and
reducing
side
effects
these
drugs.
Among
cutting-edge
systems
in
this
area
are
magnetic
nanocomposites
(MNCs)
nanocapsules
(NCs).
MNCs
considered
smart
tool
magnetic-field-guided
targeted
drug
delivery,
resonance
imaging,
hyperthermia
therapy.
Nanocapsules
offer
great
potential
due
their
ability
control
drug-loading
capacity,
release
efficiency,
stability,
ease
with
which
surfaces
can
be
modified.
This
study
proposes
method
development
nylon-6-coated
nylon-6
polymeric
membrane
NCs.
A
biocompatible
polymer
was
first
NC
synthesis.
Oleic-acid-modified
non-modified
Fe3O4
nanoparticles
were
synthesized
production
nylon-coated
MNCs.
Dynamic
light
scattering
(DLS),
transmission
electron
microscopy
(TEM),
ζ-potential
measurements
perform
size,
morphology,
charge
analyses.
The
above-mentioned
two
types
templates
manufacture
nylon
nanocapsules,
leading
NCs
different
charges
structures.
developed
oleic-acid-coated
showed
excellent
values
chemotherapy
doxorubicin
(DOX)
up
732
943
µg/mg
(DOX/MNC
or
NC),
respectively.
On
contrary,
capacity
nano-construction
that
not
modified
oleic
acid
did
exceed
140
µg/mg.
DOX-loaded
nanosystems
displayed
pH-sensitive
properties,
highest
efficiency
observed
at
an
acidic
pH.
series
inhibited
A549
HEK
293FT
cell
lines,
lowest
IC50
value
0.31
µM
is
1.5-fold
lower
concentration
than
free
DOX.
Therefore,
presented
nanoscale
treatment.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(7), P. 4041 - 4041
Published: April 5, 2024
In
cancer
diagnostics,
magnetic
resonance
imaging
(MRI)
uses
contrast
agents
to
enhance
the
distinction
between
target
tissue
and
background.
Several
promising
approaches
have
been
developed
increase
MRI
sensitivity,
one
of
which
is
Overhauser
dynamic
nuclear
polarization
(ODNP)-enhanced
(OMRI).
this
study,
a
macromolecular
construct
based
on
human
serum
albumin
nitroxyl
radicals
(HSA-NIT)
was
using
new
synthesis
method
that
significantly
increased
modification
21
nitroxide
residues
per
protein.
This
confirmed
by
electron
paramagnetic
(EPR)
spectroscopy
matrix-assisted
laser
desorption/ionization
time-of-flight
(MALDI
ToF)
mass
spectrometry.
Gel
electrophoresis
circular
dichroism
showed
no
significant
changes
in
structure
HSA-NITs,
oligomers
were
formed
during
modification.
The
cytotoxicity
HSA-NITs
comparable
native
albumin.
evaluated
as
potential
"metal-free"
organic
radical
relaxation-based
for
1H-MRI
hyperpolarizing
OMRI.
Relaxivities
(longitudinal
transversal
relaxation
rates
r1
r2)
measured
at
different
field
strengths
(1.88,
3,
7,
14
T).
Phantoms
used
demonstrate
use
HSA-NIT
T1-
T2-weighted
agent
3
T
T.
efficacy
1H
(ODNP)
liquids
an
ultralow
(ULF,
B0
=
92
±
0.8
μT)
investigated
conjugates.
themselves
did
not
show
ODNP
enhancement;
however,
under
proteolysis
conditions
simulating
tissue,
conjugates
cleaved
into
lower-molecular-weight
(MW)
protein
fragments
activate
capabilities,
resulting
maximum
achievable
enhancement
|Emax|
40-50
radiofrequency
power
required
achieve
half
Emax,
P1/2,
21-27
W.
with
higher
degree
released
number
spin
probes
upon
biodegradation,
enhanced
effect.
Thus,
may
represent
class
well
novel
cleavable
(HCAs)
Magnetochemistry,
Journal Year:
2022,
Volume and Issue:
9(1), P. 12 - 12
Published: Dec. 30, 2022
Magnetic
nanocomposites
(MNCs)
combine
the
features
of
magnetic
nanoparticles
and
a
second
material,
which
provide
distinct
physical,
chemical,
biological
properties.
The
core
for
nanocomposite
synthesis
is
extensively
used
due
to
its
high
saturation
magnetization,
chemical
stability,
large
surface
area,
easy
functionalization.
Moreover,
(MNPs)
have
great
potential
resonance
imaging
(MRI),
particle
(MPI),
hyperthermia,
targeted
drug
gene
delivery
by
an
external
field.
Numerous
composing
units
exist,
leads
outstanding
application
composites.
This
review
focuses
on
nucleic
acid-based
bioapplications
MNCs
with
polymeric,
organic,
inorganic,
biomolecules,
bioinspared
coating.
In
addition,
different
forms,
such
as
core–shell,
doping,
multilayer,
yolk–shell,
Janus-shaped
hybrids,
are
discussed,
their
unique
properties
highlighted.
types
molecularly
imprinted
polymer
(MMIP)
presented.
presents
only
using
ready-made
cores.
These
restrictions
associated
many
materials,
quantitative
qualitative
composition,
procedures.
aims
discuss
MNC
information
available
researchers
in
this
field
guide
them
through
some
problems
structure
variation,
functionalization
possibilities.
most
recent
advancements
polymers
therapy,
diagnostics,
theranostics,
separation,
biocatalytic,
biosensing
introduced.
Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(1), P. 177 - 177
Published: Jan. 4, 2023
The
iron
oxide
nanoparticles
coated
with
different
surface
coatings
were
studied
and
characterized
by
multiple
physicochemical
biological
methods.
present
paper
aims
at
estimating
the
toxicity
in
vitro
vivo
of
dextran
aqueous
magnetic
fluids.
studies
conducted
quantifying
viability
HeLa
cells
after
their
incubation
samples
(concentrations
62.5−125−250−500
μg/mL
time
intervals).
estimation
administering
fluids
(DIO-AMF)
hydrodynamic
diameter
25.73
±
4
nm
to
Male
Brown
Norway
rats
has
been
made.
Different
concentrations
(62.5−125−250−500
μg/mL)
administered
for
7
consecutive
days.
Hematology
biochemistry
assessment
was
performed
various
intervals
(24−72
h
21−28
days)
intra-peritoneal
injection.
results
showed
that
high
DIO-AMF
(250
500
significantly
increased
white
blood
cells,
red
hemoglobin
hematocrit
compared
values
obtained
control
group
(p
<
0.05).
Moreover,
following
administration
DIO-AMF,
levels
alkaline
phosphatase
aspartate
aminotransferase
After
administration,
no
significant
difference
observed
alanine
aminotransferase,
gamma-glutamyl
transpeptidase,
urea
creatinine
study
lower
than
250
are
reliable
medical
pharmaceutical
applications.