The wavelength
is
selec
born
(he
maximrun
of eight filters held in
the
filter
wheel.
Fibre
bundte:
ter,
thelight
thecommon endof the fibre bundle, whichdivides
s and defles upwapds.
Focusing lenses:
After being divided the light passes through a focusing system of eight lenses.
Detectors:
The light
kams
pass through the bouoms of the wells though the
samples
via up
r
lenses
to
the
Bemtom, wh~h
measure the intensity of lighr,
2.2.2
Agglutination
Agglulination measmemenu
are
rmedby using
special
optics (pinhole optics) (Fig.
Sb).
Tke
insmunent
scms
over each well measuring
a
29
pinu well pmfile taking
20
readings.
Readings
are
then down-loaded
to
a
PC.
for
fdie~
interpre&tion.
I.
Focusing lenses
2.
Upper
lenses
and dececmrs
3.
Pinhole
plate
Fig.
Sb.
Agglutination optics
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