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Phycocyanin Calibration Standard Specifications

Phycocyanin Calibration Standard Specifications

Much like chlorophyll, phycocyanin harvests light energy for photosynthesis, but unlike chlorophyll, which occurs in many organisms from microbes to plants, phycocyanin mostly is found in cyanobacteria (blue-green algae). Phycocyanin is the blue fluorescent protein (excitation 600-620 nm, emission 640-650 nm) that gives these organisms their distinctive color. Therefore, phycocyanin fluorescent measurements are used in environmental sampling to estimate the abundance of cyanobacteria.

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