3 products found

Products

  • ALGcontrol - Fluorescence Monitoring of Algae Classes and Toxic Algae

    ALGcontrol - Fluorescence Monitoring of Algae Classes and Toxic Algae

    The ALGcontrol uses fluorescence excitation for detection. When chlorophyll molecules absorb light, a fraction of the energy absorbed is reemitted as fluorescence. Algae of the same classes contain a similar quantity and quality of pigments, their fluorescence excitation spectrum (with a fixed emission wavelength at 680nm) is significant. Thus, it is possible to differentiate divisions of algae by their fluorescence excitation spectrum. Other...

  • BACTcontrol - Online Monitoring of Bacteria in Water

    BACTcontrol - Online Monitoring of Bacteria in Water

    The BACTcontrol is an “early warning system”, complementing the officially accepted methods for the detection of microbiological activity. The measurements are realized in a short period of time, 1-2 hours. This is in contrast to classical microbiological methods, which are labour-intensive and in which cultivation of the organisms is required, taking several days before obtaining reliable results (24-48 hours).

  • TOXcontrol - Online Toxicity Monitoring System for Chemical Screening

    TOXcontrol - Online Toxicity Monitoring System for Chemical Screening

    The TOXcontrol uses a decrease in luminescence of the luminescent bacteria as an effect endpoint to measure the toxicity of water samples. The acute test with this bacteria species is one of the most and best known ecotoxicity tests and has been used in ecotoxicological research since the 1980’s (Diehl et al). A large volume of literature on the sensitivities of this test is available and was reviewed by (Kaiser et al, 1991). Because of the...