EFFECT OF SHEAR FORCES ON THE RELEASE OF BREVETOXINS FROM KARENIA BREVIS

EFFECT OF SHEAR FORCES ON THE RELEASE OF BREVETOXINS FROM KARENIA BREVIS

The forces associated with a culture of Karenia brevis with a magnetic stirrer were calculated and related to the release of toxins by the affected organism. Even under seemingly mild conditions (3.5 rpm with a 2.5 cm stirring bar) enough shearing energy was provided to release toxins. Parameters ca...

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Veröffentlicht in:Florida scientist 2003-04, Vol.66 (2), p.109-112
Hauptverfasser: Martin, Dean F., Carnahan, Robert P., Krzanowski, Joseph J.
Format: Artikel
Sprache:eng
Schlagworte:
Coasts
Cultural values
Flasks
Flow velocity
Fluid shear
Karenia brevis
Laminar flow
Red tides
Reynolds number
Toxicity
Toxins
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Zusammenfassung:The forces associated with a culture of Karenia brevis with a magnetic stirrer were calculated and related to the release of toxins by the affected organism. Even under seemingly mild conditions (3.5 rpm with a 2.5 cm stirring bar) enough shearing energy was provided to release toxins. Parameters calculated were: the Reynolds Number, tangential velocity, mean velocity gradient, and the power.
ISSN:0098-4590