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97% sensitivity when detecting harmful biological organisms

OUR TECHNOLOGY

There are several approaches to controlling the proliferation of pathogens in industrial waters. It is possible to prevent the appearance of bacteria by using large quantity of chemicals or disinfecting procedures. However, these methods represent significant monetary costs, as well as serious indirect impacts such as premature wear of the infrastructure and harmful environmental releases. An alternative way is to do the point analysis of water to determine its bacterial content, in order to assess the amount of chemicals needed.

Traditionally, only specialized laboratories had competencies to perform those kind of analysis by bacterial culture or by quantitative PCR method (polymerase chain reaction). Since 2012, alternative products have emerged on the market. Those products are disposable tests, operated similarly to a pregnancy test. They employ a simple detection process called Lateral flow immunochromatographic assay. All techniques described above possess certain disadvantages, which pushed scientists to search for a new, more efficient and practical solution.

SPI Bio introduced the products of a new generation. SPI Bio name technology addresses weak points of each detection solution previously mentioned, and provides businesses with a reliable and economical monitoring solutions.

The comparison of the technologies are presented in the table below

Criteria Laboratories Testing sticks SPI Bio
Detection method Culture qPCR Lateral flow immunochromatographic assay Bio-Alert technology
Speed 7 to 14 days 48 hours 15-25 mins 30 mins
Detection limits (total) 100 to 500 CFU 60 to 250 GU 100 to 200 CFU 10 GU
Robustness (sensitivity) ≈ 70% ≈ 95% Varies greately between brands (≈ 80%) ≈ 97%
Reliability (specificity) Average High Low High
Frequency of testing Point, 1 per measurement Point, 1 per measurement Point, 1 per measurement Daily, 1 per day
Handling requirements Human involvement
(sampling and processing)
Human involvement
(sampling and processing)
Human involvement
(sampling and analysis)
No human intervention
Fully autonomous

Contrary to the laboratories and test sticks, the Bio-Alert technology has a number of advantages such as:

  • Combining both high accuracy and fast results on-site;
  • Monitoring environments on a daily basis;
  • Eliminating staff, labor and shipping costs;
  • Entrusting reliability that exceeds current industry standards.

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