<s>
Spreeta	B-Algorithm
is	O
an	O
electro-optical	O
device	O
utilizing	O
surface	O
plasmon	O
resonance	O
to	O
detect	O
small	O
changes	O
in	O
refractive	O
index	O
of	O
liquids	O
.	O
</s>
<s>
The	O
Spreeta	B-Algorithm
device	O
was	O
developed	O
by	O
Texas	O
Instruments	O
,	O
Inc	O
.	O
in	O
the	O
1990s	O
.	O
</s>
<s>
The	O
reflected	O
light	O
is	O
detected	O
by	O
a	O
photodiode	O
linear	O
array	O
(	O
which	O
translates	O
angle	O
of	O
reflection	O
to	O
pixel	B-Algorithm
position	O
)	O
and	O
the	O
resonance	O
(	O
a	O
dip	O
in	O
the	O
reflectivity	O
at	O
a	O
specific	O
angle	O
of	O
incidence	O
)	O
denotes	O
the	O
refractive	O
index	O
on	O
the	O
outer	O
surface	O
of	O
the	O
metal	O
film	O
.	O
</s>
<s>
Applications	O
include	O
real-time	O
measurement	O
of	O
binding	O
of	O
antigens	O
to	O
antibodies	O
attached	O
to	O
the	O
sensor	O
surface	O
,	O
monitoring	O
changes	O
in	O
oil	O
quality	O
,	O
and	O
measuring	O
sugar	O
content	O
in	O
drinks	O
(	O
Brix	B-Application
level	O
)	O
.	O
</s>
<s>
The	O
term	O
"	O
Spreeta	B-Algorithm
"	O
is	O
an	O
anglic	O
derivative	O
of	O
SPR-ITA	O
,	O
which	O
combines	O
SPR	O
(	O
for	O
Surface	O
Plasmon	O
Resonance	O
)	O
with	O
"	O
ita	O
"	O
(	O
a	O
Spanish	O
suffix	O
meaning	O
"	O
small	O
"	O
)	O
.	O
</s>
