Ratio (A620/A280): >=4.5
Fluorescence emission peak:640+-5nm
Stability:Can stored in ammonium sulphate solution (45%) for one year
Appearance: blue or dark blue powder.
Fluorescent phycocyanin, which has a unique optical property of new fluorescent markers, is isolated and purified from Spirulina.FPC emit strong fluorescence, with good performance and high absorption of the quantum productivity, and the intensity of fluorescein is 30 times stronger than the commonly. It is used in the visible spectrum over a wide range for stimulating and firing.
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