EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 11348-1 testing. ISO 11348 describes three methods for determining the inhibition of luminescence emitted by the marine bacterium Vibrio fischeri (NRRL B‑11177). ISO 11348-1 specifies a method using freshly prepared bacteria.
This method applies to:
Measurements specified in ISO 11348 can be performed using freshly prepared bacteria as well as freeze-dried or liquid-dried bacterial preparations.
Such varying sensitivity is due to differences in the composition of the media used in the preparation of freeze-dried or liquid-dried bacteria. These protective environments affect the bioavailability of toxic substances or the light emission of luminescent bacteria. This means that the origin and type of preparation must be considered when interpreting results. This can be difficult at times, as freeze-dried and liquid-dried bacteria are available from different suppliers. This may mean that the composition is not known in detail and therefore cannot be interpreted by the user.
Inhibition of light emission by Vibrio fischeri cultures is determined by means of a batch test. This is accomplished by combining certain volumes of the test sample or the diluted sample with a luminescent bacterial suspension in a test tube.
EUROLAB assists manufacturers with ISO 11348-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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