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Requirements for silicon in Synura petersenii algae

February 21st, 2007 | No Comments | Posted in Uncategorized

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Requirements for silicon in Synura petersenii

Klaveness, Dag; Guillard, Robert R. L.
Journal of Phycology (1975), 11(3), 349-55 CODEN: JPYLAJ; ISSN: 0022-3646. English.

Abstract

A Si requirement for growth is demonstrated for an alga other than a diatom. Concns. of <1mM SiO32- greatly decreased the growth rate of S. petersenii and caused morphol. changes. Half maximum growth rate appeared at a concentration of only 0.23mM SiO32-. GeO2 inhibited growth considerably; the degree of inhibition varying from none to almost 100% depending upon both Si and Ge concns. The amount of Si deposited in the external scales of S. petersenii is comparable per unit area to that of diatoms. S. petersenii is able to deplete the medium of SiO32- to very low levels. The feasibility of batch culture techniques for this kind of work is discussed briefly. Source & original link here

Nature gave us oil from algae; perhaps we should try Nature’s way again

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algOS – Biodiesel from Algae Open Source

About Oilgae – Oilgae – Oil & Biodiesel from Algae has a focus on biodiesel production from algae while also discussing alternative energy in general. Algae present an exciting possibility as a feedstock for biodiesel, and when you realise that oil was originally formed from algae – among other related plants – you think “Hey! Why not oil again from algae!”

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