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Another Milestone in Hybrid Artificial Photosynthesis

Peidong Yang CJC Bioinorganic Solar to Chemical Text

Berkeley Lab researchers using a bioinorganic hybrid approach to artificial photosynthesis have combined semiconducting nanowires with select microbes to create a system that produces renewable molecular hydrogen and uses it to synthesize carbon dioxide into methane, the primary constituent of natural gas.

Orange is the New Red

Corie Ralston and Cheryl Kerfield feature image

Berkeley Lab researchers discovered that a photoprotective mechanism in cyanobacteria is triggered by an unprecedented, large-scale movement from one location to another of the carotenoid pigment within the Orange Carotenoid Protein.

CLAIRE Brings Electron Microscopy to Soft Materials

CLAIRE image of Al nanostructures with an inset that shows a cluster of six Al nanostructures.

Berkeley Lab researchers, working at the Molecular Foundry, have invented a technique called “CLAIRE” that extends the incredible resolution of electron microscopy to the non-invasive nanoscale imaging of soft matter, including biomolecules, liquids, polymers, gels and foams.

Biofuel Proteomics: Joint BioEnergy Institute Researchers Use Proteomics to Profile Switchgrass

Switchgrass is a North American native prairie grass widely viewed as one of the most promising of all the biofuel crop candidates. (Photo courtesy of GLBRC)

JBEI researchers used advanced proteomic techniques to identify 1,750 unique proteins in shoots of switchgrass, a native prairie grass viewed as one of the most promising of all the plants that could be used to produce advanced biofuels.

Metabolic Path to Improved Biofuel Production

Jamie Cate feature 1

Researchers at the Energy Biosciences Institute have found a way to increase the production of fuels and other chemicals from biomass fermented by yeast without the need of environmentally harsh pre-treatments or expensive enzyme cocktails.

Sweet Smell of Success: JBEI Researchers Boost Methyl Ketone Production in E. coli

Methyl ketones were discovered more than a century ago in the aromatic evergreen rue plant. They are now used to provide scents in essential oils and flavoring in cheese, but JBEI research shows they could also serve as advanced biofuels. (Image from Wikimedia Commons)

JBEI researchers have engineered E. coli bacteria to convert glucose into significant quantities of methyl ketones, a class of chemical compounds primarily used for fragrances and flavors, but highly promising as clean, green and renewable blending agents for diesel fuel.

MaxBin: Automated Sorting Through Metagenomes

MaxBin, an automated software program for binning the genomes of individual microbial species from metagenomic sequences is available on-line through JBEI.

MaxBin is an automated software program for binning the genomes of individual microbial species from metagenomic sequences developed at the Joint BioEnergy Institute (JBEI).

On the Road to Artificial Photosynthesis

This TEM shows gold–copper bimetallic nanoparticles used as catalysts for the reduction of carbon dioxide, a key reaction for artificial photosynthesis.

New experimental results have revealed the critical influence of the electronic and geometric effects in the carbon dioxide reduction reaction.

Going to Extremes for Enzymes

Extremophiles thriving in thermal springs where the water temperature can be close to boiling can be a rich source of enzymes for the deconstruction of lignocellulose.

In the search for enzymes that can break lignocellulose down into biofuel sugars under the extreme conditions of a refinery, chemist Douglas Clark prospects for extremophilic microbes and engineers cellulases of his own.

Bionic Liquids from Lignin

Blake Simmon Ionic_Liquid thumb

Bionic liquids – solvents made from lignin and hemicellulose, two by-products of biofuel production – show great promise for liberating fermentable sugars from lignocellulose and improving the economics of biofuels refineries.