How do the Micro Magic algorithms compare with the CCA results?
The Generation Four algorithms used in the Micro Magic determine the level of bacteria also with time, but by analysing 32 different pieces of information recorded per minute in the spectrophotometer. The ability to shorten the time from the standard visual test is because we are now examining rates of change, rather than time to final colour change. The current algorithms in the Micro Magic for total coliforms are still based on the results found in the CCA technique, but we are able to determine initial contamination levels much faster. E. coli identification is still based on the calibration with CCA, but using a different form of algorithm again. We have also found that we are able to identify some specific genera and strains. With time and with further and broader geographic testing we should be able to enhance this ability. Data from the Micro Magic will allow us with manual examination to advise on different genera and some strains of E. coli (such as 0517:H7) which may be prese
