Engineering topics
Publications and source records attributed to Varanasi, Sasidhar.
Methods for the recovery of lipids, sugars, and proteins from microbial biomass by enzymatic digestion are disclosed. The methods involve treating microalgae with a fungal acid protease, or with a mixture of at least one protease and at least one amylase.
Methods and systems for efficient culturing of algae in open ponds are described.
Systems, methods, and materials for pyrolyzing vegetable oil feedstocks to obtain high yields of various products are described.
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Methods for the recovery of lipids, sugars, and proteins from microbial biomass by enzymatic digestion are disclosed. The methods involve treating microalgae with a fungal acid protease, or with a mixture of at least one protease and at least one amylase.
Methods and systems for efficient culturing of algae in open ponds. Further, the methods include a method for culturing algae in an open pond medium that is free of any concentrated supply of CO2, and no concentrated source of CO2 is used to supply carbon for culturing the algae. Also, the algae are cultured in the open pond which has a pH above 9.5. In addition, the open pond medium has incorporated therein an inorganic carbon buffer at a specified concentration under conditions for obtaining an increased biomass. Also, the pH above 9.5 permits sufficient increased fixation of atmospheric CO2 into the open pond medium.
Systems, methods, and materials for pyrolyzing vegetable oil feedstocks to obtain high yields of various products are described.
A concise method of producing nylon 11, 12, or 13 precursors from oleic acid or an ester of oleic acid is described. The method involves cross-metathesis reactions as the key C--C bond formation step. Subsequent steps are provided to convert the metathesis product to the corresponding nylon precursors. Also provided are the products of the method.
A harvesting device and methods of harvesting (i.e., dewatering) algae are described. The harvesting device and methods involve the use of stimuli-sensitive hydrogels.