Carbon (neutral) based renewable liquid biofuels are alternative to petroleum derived transport fuels that contribute to global warming and are of a limited availability. Microalgae based biofuels are considered as promising source of energy. Lyngbya sp. and Synechococcus sp. were studied for the possibility of biodiesel production in different media such as ASNIII, sea water enrichment medium ...

This study presents the first mechanistic model describing broth temperature in column photobioreactors as a function of static (location, reactor geometry) and dynamic (light irradiance, air temperature, wind velocity) parameters. Based on a heat balance on the liquid phase the model predicted temperature in a pneumatically agitated column photobioreactor (1 m(2) illuminated area, 0.19 m inter...

We present a light-switchable gene expression system for both inducible and switchable control of gene expression at a single cell level in Escherichia coli using a previously constructed light-sensing system. The λ cI repressor gene with an LVA degradation tag was expressed under the control of the ompC promoter on the chromosome. The green fluorescent protein (GFP) gene fused to a λ repressor...

The possibility of using photosynthetic microorganisms, such as cyanobacteria and microalgae, for converting light and carbon dioxide into valuable biochemical products has raised the need for new cost-efficient processes ensuring a constant product quality. Food, feed, biofuels, cosmetics and pharmaceutics are among the sectors that can profit from the application of photosynthetic microorgani...

A photobioreactor system has been designed, constructed and implemented to achieve high photosynthetic rates in high-density photoautotrophic algal cell suspensions. This unit is designed for efficient oxygen and biomass production rates, and it also can be used for the production of secreted products. A fiber-optic based optical transmission system that is coupled to an internal light distribu...

*Correspondence: Ben J. Stuart , 122 Stocker Center, Athens, OH 45701, USA e-mail: [email protected] A novel 28 L photobioreactor for growing algae was developed using fiber optics for internal illumination.The proposed design uses the air-lift principle to enhance the culture circulation and induce light/dark cycles to the microorganisms. Optical fibers were used to distribute photons inside the...

Mikroalgal biyoteknoloji, enerji krizi, iklim degǍişikligǍi, çevresel bozulma ve gıda kıtlıgǍı dahil olmak uDžzere guDžnuDžmuDžzde karşılaşılan kuDžresel sorunları, potansiyel olarak çözebilecek verimli bir alternatif kabul edilmektedir. Bunun başlıca nedeni, mikroalglerin büyük miktarda karbondioksiti yakalayarak fotosentez yoluyla doğrudan güneş enerjisini biyokütle içinde muhafaza edilen kimyasal...

The continued growth and evolving lifestyles of the human population require urgent development sustainable production in all its aspects. Microalgae have potential various commodities; however, energetic requirements algae cultivation still largely contribute to overall negative balance many operation plants. Here, we evaluate efficiency biomass lipids by Chlorella pyrenoidosa multi-tubular, h...