Magneto-mechanical
actuation
induces
the
most
destruction
on
cancer
cells
when
employed
magnetic
nanomaterials
with
shape
anisotropy
as
well
high
values
of
saturation
magnetization.
The
aim
this
study
is
to
compare
effects
nanoparticles
and
nanowires
human
osteosarcoma
cells.
In
paper
we
present
results
obtained
using
Fe-(Cr/Ti/Mn)-Nb-B
Ni-Fe
Co-Fe
for
cell
magneto-mechanical
actuation.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(8), P. 1902 - 1902
Published: April 15, 2023
The
number
of
cancer
patients
is
rapidly
increasing
worldwide.
Among
the
leading
causes
human
death,
can
be
regarded
as
one
major
threats
to
humans.
Although
many
new
treatment
procedures
such
chemotherapy,
radiotherapy,
and
surgical
methods
are
nowadays
being
developed
used
for
testing
purposes,
results
show
limited
efficiency
high
toxicity,
even
if
they
have
potential
damage
cells
in
process.
In
contrast,
magnetic
hyperthermia
a
field
that
originated
from
use
nanomaterials,
which,
due
their
properties
other
characteristics,
clinical
trials
solutions
treatment.
Magnetic
nanomaterials
increase
temperature
nanoparticles
located
tumor
tissue
by
applying
an
alternating
field.
A
very
simple,
inexpensive,
environmentally
friendly
method
fabrication
various
types
functional
nanostructures
adding
additives
spinning
solution
electrospinning
process,
which
overcome
limitations
this
challenging
Here,
we
review
recently
electrospun
nanofiber
mats
support
therapy,
targeted
drug
delivery,
diagnostic
therapeutic
tools,
techniques
IEEE Transactions on Instrumentation and Measurement,
Journal Year:
2023,
Volume and Issue:
72, P. 1 - 8
Published: Jan. 1, 2023
Magnetic
nanofluid
hyperthermia
(MNH)
damages
malignant
cells
by
the
heat
generated
magnetic
nanoparticles
(MNPs)
exposed
to
an
alternating
field
during
therapy.
The
key
point
for
is
maintain
treatment
temperature
a
safe
range
bio-tissue,
in
which
tissue
will
be
damaged
due
its
higher
sensitivity
but
not
healthy
tissue.
However,
therapeutic
system
MNH
should
nonlinear
one
since
generally
determined
many
certain
and
uncertain
factors,
result
difficulty
modulate
specific
practical
application.
This
study
proposes
control
method
introducing
proportional–integral–derivative
(PID)
algorithm
dynamically
optimizes
PID
coefficients
proposed
considering
simulated
annealing
(SA)
distribution
bio-tissue
obtained
solving
improved
Pennes
bio-heat
transfer
equation
using
finite
element
(FEM).
simulation
results
demonstrate
that
can
effectively
power
dissipation
MNPs
further
exactly
regulate
transient
expected
value.
In
addition,
this
also
automatically
adapt
different
cases
therapy,
concentration
inside
tumor
region
changes
with
injection
strategy.
IEEE Robotics and Automation Letters,
Journal Year:
2022,
Volume and Issue:
7(4), P. 11517 - 11522
Published: Aug. 25, 2022
Magnetic-controlled
micro-robots
have
promising
applications
in
disease
therapy
due
to
their
high
targetability
and
drug
utilization.
Due
unique
deformable
divisible
properties,
ferrofluid
robots
gained
much
attention
microchemical
reaction
chips
micromanipulation.
This
letter
proposes
a
biocompatible
robot
validates
its
potential
achieve
targeted
delivery
tumor
cell
killing.
ferrofluidic
contains
10
nm
oleic
acid-coated
ferric
tetroxide
particles
vegetable
oil
has
good
magnetic
responsiveness,
deformability,
photothermal
can
move
liquid
environments
such
as
blood.
It
motion
with
an
error
of
less
than
0.4
mm
under
closed-loop
control
obstacle
overturning
passage
through
narrow
channels
twice
diameter.
In
addition,
the
kill
cells
target
area
properties
particles,
experimental
results
show
that
death
rate
reach
95%.
These
capabilities
give
significant
advantage
getting
location
for
cancer
treatment
vascular
environment.
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
24(1), P. 430 - 430
Published: Dec. 27, 2022
Preparing
biological
specimens
for
scanning
electron
microscopy
(SEM)
can
be
difficult
to
implement,
as
it
requires
specialized
equipment
and
materials
well
the
training
of
dedicated
personnel.
Moreover,
procedure
often
results
in
damage
samples
analyzed.
This
work
presents
a
protocol
preparation
evaluate
adherence
nanomaterials
on
cell
surface
using
SEM.
To
this
end,
we
used
silicon
wafers
substrate
grow
cells
replaced
steps
such
critical
point
drying
order
make
method
quicker
easier
perform.
The
new
was
tested
two
different
types
cells,
i.e.,
human
osteosarcoma
adipose-derived
mesenchymal
stem
proved
that
grossly
preserve
integrity
estimate
nanomaterials'
interaction
with
surfaces.
Advanced Healthcare Materials,
Journal Year:
2023,
Volume and Issue:
13(4)
Published: Nov. 10, 2023
Abstract
Ferrofluidic
robots
with
excellent
deformability
and
controllability
have
been
intensively
studied
recently.
However,
most
of
these
studies
are
in
vitro
the
use
ferrofluids
for
vivo
medicinal
applications
remains
a
big
challenge.
The
application
ferrofluidic
to
body
requires
solution
many
key
problems.
In
this
study,
biocompatibility,
controllability,
tumor‐killing
efficacy
considered
when
creating
ferrofluid‐based
millirobot
tumor‐targeted
therapy.
For
biocompatibility
problems,
corn
oil
is
used
specifically
ferrofluid
robot.
addition,
control
system
built
that
enables
3D
magnetic
drive
be
implemented
complex
biological
media.
Using
photothermal
conversion
property
1064
nm,
robot
can
kill
tumor
cells
vitro;
inhibit
volume,
destroy
interstitium,
increase
cell
apoptosis,
proliferation
vivo.
This
study
provides
reference
millirobots
achieve
targeted
therapies