The first use of microalgae by humans dates back 2000 years to the Chinese, who used Nostoc to survive during famine. However, microalgal biotechnology only really. Microalgae possess great potential as a source of sustainable energy, but the intrinsic inefficiency of photosynthesis is a major challenge to realize this potential. Classes of Secondary Metabolites. Secondary metabolites are classified according to biosynthetic origin. Terpenes are derived from precursors. 1. Introduction 1.1. Energy outlook and salient environmental issues. In 2008 the annual world primary energy consumption was estimated at 11,295 million tonnes of. September 18, 2016 / Noon EDT Dear EurekAlert! Registrants, Significant progress has been made toward a full recovery of the EurekAlert! website following the. Display of Antibodies. Stefan Ewert, Ph.D., Senior Investigator, NIBR Biologics Center, Novartis Pharma AG. Stefan Ewert, Ph.D. joined Novartis in 2004 and currently. Ethanol fuel is the most common biofuel worldwide, particularly in Brazil. Alcohol fuels are produced by fermentation of sugars derived from wheat, corn, sugar beets. Les algues sont consommées par l'Homme depuis la préhistoire. Les Aztèques pratiquaient l'algoculture de la spiruline comestible Arthrospira au XVI e siècle. Type or paste a DOI name into the text box. Click Go. Your browser will take you to a Web page (URL) associated with that DOI name. Send questions or comments to doi.