Development of a fast, reproducible and effective method for the extraction and quantification of proteins of micro-algae. Meijer, E., A. & Wijffels, R., H. Biotechnology Techniques, 12(5):353-358, 1998.
Development of a fast, reproducible and effective method for the extraction and quantification of proteins of micro-algae [pdf]Paper  abstract   bibtex   
The best method that was developed to extract protein from Chlorella was by sonic disruption of the cells for 3 cycles of 1 min. at 70W on ice in the presence of 1% (w/v) SDS. The best method to quantify the amount of protein in algal extracts is the staining method with the dye bicinchoninic acid. The developed method is reliable for the tested freshwater micro-alga Chlorella, is also acceptable for the fresh-water micro-alga Chlamydomonas, but is not reliable for the marine micro-algae Dunaliella, Rhodomonas and Synechococcus. The extraction method was the most critical factor for determination of proteins in micro-algae and needs to be optimized for each algal species.

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