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Phycocyanin is an accessory pigment to chlorophyll found predominantly in freshwater cyanobacteria (also known as blue-green algae). Phycocyanin has a characteristic blue colour (cyan is derived from the Greek κύανος for blue); it absorbs orange/red light and emits fluorescence around 650 nm in the red part of the spectrum. Phycocyanin essentially fills the spectral gap between the Chlorophyll absorption peaks in the red and blue. Yellow/orange light is absorbed by PC and the energy is transferred to Chlorophyll a molecules in the reaction centres of cells where photosynthesis occurs, enhancing spectral efficiency.
An evolution of the miniCTD, the fastCTDplus multi-parameter profiler is designed to deliver the highest quality CTD and Phycocyanin observations at fast drop rates.
Valeport’s Hyperion Phycocyanin Fluorometer sensor delivers high-performance measurements of Phycocyanin, in a compact & robust package ideal as a standalone sensor, for ROV and AUV integration or used as part of a multi-sensor array and data logger.
Valeport’s SWiFTplus Multi-Parameter Profiler with a Phycocyanin sensor combines survey-grade sound speed, temperature and pressure sensor technology with Phycocyanin observations.