Abstract: Systems and methods for producing ammonia are described. In one embodiment, hydrogen, carbon dioxide, and nitrogen are dissolved in a solution. A glutamine synthetase inhibitor and autotrophic diazotroph bacteria are also placed in the solution.

Abstract: Systems and methods for producing ammonia are described. In one embodiment, hydrogen, carbon dioxide, and nitrogen are dissolved in a solution. A glutamine synthetase inhibitor and autotrophic diazotroph bacteria are also placed in the solution.

Abstract: Systems and methods for fixing carbon using bacteria are described. In one embodiment, a system includes a reactor chamber with a solution contained therein. The solution may include hydrogen (H2), carbon dioxide (CO2), bioavailable nitrogen, and a chemolithoautotrophic bacteria. The system may also include a pair of electrodes that split water contained within the solution to form the hydrogen. Additionally, the system may be operated so that a concentration of the bioavailable nitrogen in the solution is below a threshold nitrogen concentration to cause the chemolithoautotrophic bacteria to produce a product.

Abstract: Systems and methods for fixing carbon using bacteria are described. In one embodiment, a system includes a reactor chamber with a solution contained therein. The solution may include hydrogen (H2), carbon dioxide (CO2), bioavailable nitrogen, and a chemolithoautotrophic bacteria. The system may also include a pair of electrodes that split water contained within the solution to form the hydrogen. Additionally, the system may be operated so that a concentration of the bioavailable nitrogen in the solution is below a threshold nitrogen concentration to cause the chemolithoautotrophic bacteria to produce a product.

Abstract: The disclosure provides a bioreactor system for conducting nitrogen fixation with renewable electricity to produce an engineered soil microbiome enriched in ammonia and carbon. The disclosure further provides an inorganic-biological hybrid bioreactor system that couples the generation of H2 by electricity-dependent H2O-splitting with the nitrogen-fixing capabilities of autotrophic, N2-fixing microorganisms to cultivate NH3-enriched and/or carbon-enriched biomass. The disclosure also provides methods for using NH3-enriched and/or carbon-enriched biomass for applications, such as, biofertilizers for improving the characteristics and performance of soils, e.g., to enhance the yield of agricultural crops. The disclosure further provides biofertilizers, as well as engineered soils and seeds augmented with a biofertilizer.

Abstract: Systems and methods for fixing carbon using bacteria are described. In one embodiment, a system includes a reactor chamber with a solution contained therein. The solution may include hydrogen (H2), carbon dioxide (C02), bioavailable nitrogen, and a chemolithoautotrophic bacteria. The system may also include a pair of electrodes that split water contained within the solution to form the hydrogen. Additionally, the system may be operated so that a concentration of the bioavailable nitrogen in the solution is below a threshold nitrogen concentration to cause the chemolithoautotrophic bacteria to produce a product.

Abstract: Systems and methods for producing ammonia are described. In one embodiment, hydrogen, carbon dioxide, and nitrogen are dissolved in a solution. A glutamine synthetase inhibitor and autotrophic diazotroph bacteria are also placed in the solution.

Abstract: Systems and methods for fixing carbon using bacteria are described. In one embodiment, a system includes a reactor chamber with a solution contained therein. The solution may include hydrogen (H2), carbon dioxide (C02), bioavailable nitrogen, and a chemolithoautotrophic bacteria. The system may also include a pair of electrodes that split water contained within the solution to form the hydrogen. Additionally, the system may be operated so that a concentration of the bioavailable nitrogen in the solution is below a threshold nitrogen concentration to cause the chemolithoautotrophic bacteria to produce a product.