<s>
Magnetic	B-Algorithm
Nanorings	I-Algorithm
are	O
a	O
form	O
of	O
magnetic	O
nanoparticles	O
,	O
typically	O
made	O
of	O
iron	O
oxide	O
in	O
the	O
shape	O
of	O
a	O
ring	O
.	O
</s>
<s>
They	O
also	O
allow	O
for	O
a	O
more	O
efficient	O
and	O
smaller	O
,	O
MRAM	B-General_Concept
(	O
memory	O
storage	O
unit	O
in	O
a	O
computer	O
)	O
,	O
which	O
helps	O
reduce	O
the	O
size	O
of	O
the	O
technology	O
houses	O
it	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
can	O
be	O
produced	O
in	O
various	O
compositions	O
,	O
shapes	O
,	O
and	O
sizes	O
by	O
using	O
hematite	O
nanorings	O
as	O
the	O
base	O
structure	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
have	O
been	O
experimentally	O
proven	O
to	O
improve	O
the	O
accuracy	O
of	O
hyperthermia	O
cancer	O
treatment	O
and	O
cancer	O
imaging	O
.	O
</s>
<s>
Multiple	O
studies	O
have	O
shown	O
that	O
magnetic	B-Algorithm
nanorings	I-Algorithm
improves	O
magnetic	O
hyperthermia	O
cancer	O
treatment	O
by	O
targeting	O
cancer	O
cells	O
and	O
limit	O
the	O
amount	O
of	O
environmental	O
heating	O
,	O
thus	O
creating	O
a	O
more	O
tailored	O
treatment	O
.	O
</s>
<s>
Studies	O
have	O
also	O
shown	O
that	O
magnetic	B-Algorithm
nanoring	I-Algorithm
based	O
hyperthermia	O
treatment	O
can	O
be	O
used	O
in	O
conjunction	O
with	O
immune	O
blockade	O
checkpoint	O
techniques	O
,	O
which	O
is	O
a	O
way	O
to	O
trigger	O
the	O
body	O
's	O
immune	O
system	O
to	O
attack	O
the	O
cancerous	O
region	O
.	O
</s>
<s>
Consequently	O
,	O
iron-containing	O
magnetic	B-Algorithm
nanorings	I-Algorithm
are	O
particularly	O
useful	O
for	O
cancer	O
treatment	O
.	O
</s>
<s>
In	O
comparison	O
,	O
Vortex	O
Iron	O
oxide	O
Particles	O
(	O
VIPs	O
)	O
,	O
a	O
magnetic	B-Algorithm
nanoring	I-Algorithm
,	O
allows	O
for	O
more	O
controlled	O
and	O
precise	O
intracellular	O
hyperthermia	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
have	O
shown	O
to	O
create	O
clearer	O
MRIs	O
and	O
photoacoustic	B-Algorithm
images	I-Algorithm
of	O
tumors	O
in	O
experiments	O
.	O
</s>
<s>
This	O
form	O
of	O
magnetic	B-Algorithm
nanoring	I-Algorithm
contains	O
gold	O
and	O
is	O
shaped	O
like	O
a	O
wreath	O
.	O
</s>
<s>
Once	O
again	O
,	O
the	O
magnetic	B-Algorithm
nanoring	I-Algorithm
more	O
effectively	O
identifies	O
cancer	O
cells	O
than	O
previous	O
methods	O
because	O
the	O
wreath	O
shape	O
will	O
disassemble	O
in	O
response	O
to	O
a	O
magnetic	O
field	O
and	O
high	O
levels	O
of	O
glutathione	O
,	O
a	O
chemical	O
specifically	O
found	O
in	O
cancer	O
cells	O
,	O
which	O
allows	O
for	O
higher-contrast	O
imaging	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
are	O
used	O
in	O
MRAM	B-General_Concept
(	O
magnetic	B-General_Concept
random	I-General_Concept
access	I-General_Concept
memory	I-General_Concept
)	O
because	O
of	O
its	O
capabilities	O
to	O
rapidly	O
switch	O
currents	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
replaced	O
GMR	O
(	O
giant	O
magnetoresistance	O
)	O
particles	O
in	O
the	O
CIMS	O
(	O
current	O
induced	O
magnetization	O
switching	O
)	O
of	O
MRAM	B-General_Concept
because	O
the	O
long	O
ovular	O
or	O
rectangular	O
shape	O
of	O
GMR	O
would	O
cause	O
interference	O
with	O
neighboring	O
GMR	O
.	O
</s>
<s>
This	O
interference	O
would	O
create	O
magnetic	O
noise	O
,	O
thus	O
decreasing	O
the	O
effectiveness	O
of	O
MRAM	B-General_Concept
.	O
</s>
<s>
In	O
comparison	O
,	O
the	O
symmetrical	O
structure	O
of	O
magnetic	B-Algorithm
nanorings	I-Algorithm
reduces	O
the	O
interactions	O
with	O
neighboring	O
nanorings	O
,	O
thus	O
creating	O
a	O
more	O
consistent	O
and	O
reliable	O
MRAM	B-General_Concept
.	O
</s>
<s>
The	O
smaller	O
size	O
of	O
the	O
nanorings	O
also	O
allows	O
for	O
decreased	O
power	O
consumption	O
and	O
the	O
creation	O
of	O
a	O
more	O
compact	O
MRAM	B-General_Concept
,	O
ultimately	O
decreasing	O
the	O
size	O
of	O
electronics	O
.	O
</s>
<s>
Magnetic	B-Algorithm
nanorings	I-Algorithm
are	O
created	O
through	O
hydrothermal	O
synthesis	O
(	O
a	O
synthesis	O
reaction	O
that	O
occurs	O
at	O
high	O
temperatures	O
)	O
with	O
microwaves	O
to	O
facilitate	O
a	O
faster	O
reaction	O
rate	O
.	O
</s>
<s>
Almost	O
all	O
forms	O
of	O
magnetic	B-Algorithm
nanorings	I-Algorithm
are	O
formed	O
by	O
modifying	O
hematite( 	O
\alpha-Fe2O3	O
)	O
,	O
which	O
is	O
created	O
by	O
combining	O
aqueous	O
iron(III )	O
chloride	O
and	O
aqueous	O
ammonium	O
dihydrogen	O
phosphate	O
at	O
220	O
degree	O
Celsius	O
.	O
</s>
