BD BACTEC FX - Page 10

BD BACTEC™ FX Instrument User’s Manual
10
This is an example:
Figure 1-1 shows the growth and detection process.
Figure 1-1 – BD BACTEC FX Fluorescent Technology
Organism metabolic activity releases CO
2
...
LED
Photo
Detector
Test Readings
Positivity Analysis
Row Board
Positive Test Results
indicated multiple ways
Which reacts with dye in vial sensor.
Positive vial is announced by audible alert, onscreen
indications, and the Positive Vial system indicator.
And positivity analysis is performed.
Raw data from detector is analyzed by row board ...
Photo detector reads fluorescence.
LED activates fluorescent material in sensor.
Fluorescence is modulated by dye in the sensor.