Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 13, 2024
Abstract
Microwave
(MW)
therapy
is
an
emerging
with
high
efficiency
and
deep
penetration
to
combat
the
crisis
of
bacterial
resistance.
However,
as
energy
MW
too
low
induce
electron
transition,
mechanism
catalytic
effect
remains
ambiguous.
Herein,
a
cerium‐based
metal–organic
framework
(MOF)
fabricated
used
in
therapy.
The
MW‐catalytic
performance
CeTCPP
largely
dependent
on
ions
liquid
environment,
transition
achieved
through
“tribovoltaic
effect”
between
water
molecules
CeTCPP.
By
this
way,
can
generate
reactive
oxygen
species
(ROS)
saline
under
pulsed
irradiation,
showing
99.9995
±
0.0002%
antibacterial
ratio
against
Staphylococcus
aureus
(
S.
)
upon
two
cycles
irradiation.
Bacterial
metabolomics
further
demonstrates
that
diffusion
ROS
into
bacteria
led
metabolic
disorders.
are
finally
killed
due
“amino
acid
starvation”.
In
order
improve
applicability
CeTCPP,
It
incorporated
alginate‐based
hydrogel,
which
maintains
good
also
biocompatibility.
Therefore,
work
provides
comprehensive
instruction
using
therapy,
from
application.
This
new
perspectives
for
design
composite
hydrogel.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Hyperthermia,
utilizing
various
types
of
energy
sources
such
as
microwaves,
holds
great
promise
for
cancer
treatment.
The
intense
interaction
between
microwaves
and
substances
during
hyperthermia
can
produce
heat
efficiently,
leading
to
the
inactivation
cells.
Mie‐type
resonance
is
widely
studied
in
regulation
electromagnetic
waves,
offering
a
new
perspective
microwave
hyperthermia.
In
this
study,
dielectric
resonator
reported
using
high‐permittivity
temperature‐stable
ceramic.
proposed
particles
have
characteristics
compact
size,
low
cost,
excellent
biocompatibility.
resonant
frequency
system
be
finely
tuned
through
material
design
arrangement,
thus
expanding
its
potential
application
scenarios.
rapidly
heated
under
irradiation,
thereby
enabling
effective
eliminate
This
work
demonstrates
safe
tunable
hyperthermia,
which
expected
promote
further
research
on
biomedical
field.
International Journal of RF and Microwave Computer-Aided Engineering,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
Microwave
ablation
(MWA)
is
based
on
the
energy
absorbed
by
biological
tissue
through
microwave
emission,
which
raises
temperature
of
tumor
to
perform
treatment.
MWA
has
advantage
causing
minimal
bleeding
and
treating
deep
tumors.
In
this
study,
for
various
slot
design
situations
in
a
coaxial
antenna
(MCA)
was
simulated
numerical
analysis.
For
design,
number
slots
distance
between
were
determined
analysis
parameters.
A
developed
inside
liver
implemented,
distribution
surrounding
calculated
all
cases
selected
The
Helmholtz
electromagnetic
equation
used
calculate
field
tissue,
modified
Pennes
bioheat
change
due
emitted
microwave.
Treatment
effects
quantitatively
analyzed
each
condition
an
apoptotic
variable
distribution.
Lastly,
conditions
that
produce
optimal
treatment
derived
depending
slots.
showed
as
increased
from
0.5
3.5
mm,
effect
obtained
when
4,
3,
2,
respectively,
input
power
at
time
3.0,
2.8,
2.6,
3.0
W,
respectively.
This
expected
allow
more
rigorous
therapeutically
effective
MWA.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
In
microwave
(MW)
thermotherapy,
it
is
challenging
to
regulate
the
temporal
and
spatial
distribution
of
temperature
at
nanoscale.
Herein,
we
report
a
nanothermometer
for
simultaneous
MW
heating
measurement.
The
was
prepared
by
free
radical
polymerization
with
vinylbenzyl
trimethylammonium
chloride
(VBTMACl)
as
thermosensitizer
isopropylacrylamide
(NIPAM)
thermoresponsive
unit,
followed
anion
exchange
fluorophore
sodium
3-(4-(1,2,2-triphenylvinyl)phenoxy)propane-1-sulfonate
(TPESO
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 13, 2024
Abstract
Microwave
(MW)
therapy
is
an
emerging
with
high
efficiency
and
deep
penetration
to
combat
the
crisis
of
bacterial
resistance.
However,
as
energy
MW
too
low
induce
electron
transition,
mechanism
catalytic
effect
remains
ambiguous.
Herein,
a
cerium‐based
metal–organic
framework
(MOF)
fabricated
used
in
therapy.
The
MW‐catalytic
performance
CeTCPP
largely
dependent
on
ions
liquid
environment,
transition
achieved
through
“tribovoltaic
effect”
between
water
molecules
CeTCPP.
By
this
way,
can
generate
reactive
oxygen
species
(ROS)
saline
under
pulsed
irradiation,
showing
99.9995
±
0.0002%
antibacterial
ratio
against
Staphylococcus
aureus
(
S.
)
upon
two
cycles
irradiation.
Bacterial
metabolomics
further
demonstrates
that
diffusion
ROS
into
bacteria
led
metabolic
disorders.
are
finally
killed
due
“amino
acid
starvation”.
In
order
improve
applicability
CeTCPP,
It
incorporated
alginate‐based
hydrogel,
which
maintains
good
also
biocompatibility.
Therefore,
work
provides
comprehensive
instruction
using
therapy,
from
application.
This
new
perspectives
for
design
composite
hydrogel.
