Brendan T. Higgins

ORCID: 0000-0001-6854-9612
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About
Contact & Profiles
Research Areas
  • Algal biology and biofuel production
  • Innovations in Aquaponics and Hydroponics Systems
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Wastewater Treatment and Nitrogen Removal
  • Constructed Wetlands for Wastewater Treatment
  • Marine and coastal ecosystems
  • Microbial Metabolic Engineering and Bioproduction
  • Water Quality Monitoring Technologies
  • Microbial Community Ecology and Physiology
  • Phosphorus and nutrient management
  • Biodiesel Production and Applications
  • Microbial Fuel Cells and Bioremediation
  • Anaerobic Digestion and Biogas Production
  • Biofuel production and bioconversion
  • GABA and Rice Research
  • Water Quality Monitoring and Analysis
  • Metabolomics and Mass Spectrometry Studies
  • Photosynthetic Processes and Mechanisms
  • Thermochemical Biomass Conversion Processes
  • Biocrusts and Microbial Ecology
  • Agriculture Sustainability and Environmental Impact
  • Methane Hydrates and Related Phenomena
  • Career Development and Diversity
  • Water-Energy-Food Nexus Studies
  • Interdisciplinary Research and Collaboration

Auburn University
2016-2025

Dakota State University
2024

Steadman Clinic
2018

University of California, Davis
2012-2016

Lions Eye Institute
1998

The University of Western Australia
1998

Abstract There is significant potential for employing algae in tertiary wastewater treatment, however, little known about the contribution of algae-bacteria synergy toward treatment performance. This study demonstrates three winery samples. Two strains green algae, Auxenochlorella protothecoides and Chlorella sorokiniana were tested each removed > 90% nitrogen, 50% phosphate, 100% acetic acid wastewater. Both grew significantly faster on wastewaters compared to growth minimal media....

10.1038/s41545-018-0005-y article EN cc-by npj Clean Water 2018-05-02

Chlorella minutissima was co-cultured with Escherichia coli in airlift reactors under mixotrophic conditions (glucose, glycerol, and acetate substrates) to determine possible effects of bacterial contamination on algal biofuel production. It hypothesized that E. would compete C. for nutrients, displacing biomass. However, grew more rapidly higher densities the presence coli, suggesting a symbiotic relationship between organisms. At an initial 1% substrate concentration, co-culture produced...

10.1371/journal.pone.0096807 article EN cc-by PLoS ONE 2014-05-07

Abstract Wastewater treatment is an energy‐intensive process and a net emitter of greenhouse gas emissions. A large fraction these emissions due to intensive aeration aerobic bacteria facilitate break‐down organic compounds. Algae can generate dissolved oxygen at levels in excess saturation, therefore hold the potential partially displace or complement mechanical wastewater processes. The objective this study was develop internally consistent experimental modeling approach test hypothesis...

10.1002/bit.27172 article EN Biotechnology and Bioengineering 2019-09-18

Algae are a diverse group of aquatic organisms and have potential to produce renewable biofuel via hydrothermal liquefaction (HTL). This study investigated the effects reaction environments on biocrude production from “Tetraselmis sp.” algae strain by HTL process using red mud (RM) based catalyst. The inert (N2), ethylene (C2H4), reducing (10% H2/90% N2), oxidizing O2/90% N2) were applied non-catalytic as well catalytic treatments with two forms RM catalysts: reduced at 500 °C (RRM)...

10.3390/en16010491 article EN cc-by Energies 2023-01-02

ABSTRACT Lipid productivity and fatty acid composition are important metrics for the production of high quality biodiesel from algae. Our previous results showed that co‐culturing green alga Chlorella minutissima with Escherichia coli under high‐substrate mixotrophic conditions enhanced both culture growth crude lipid content. To investigate further, we analyzed neutral content axenic cultures co‐cultures produced autotrophic conditions. We found C. E. substrate (10 g/L) increased 1.9‐ to...

10.1002/bit.25609 article EN Biotechnology and Bioengineering 2015-04-08

Rendered meat byproducts are important feedstocks for pet food formulas, esterified biodiesels and other bioproducts. However, with high water contents currently not attractive rendering due to the need evaporate resulting protein "stick" water. Consequently, many wet byproducts, like poultry dissolved air flotation (DAF) solids, land applied, wasting a potential resource, causing malodor nearby communities. Herein, we present process where stick produced from hydrolyzers is sold as...

10.1038/s41598-025-90411-7 article EN cc-by-nc-nd Scientific Reports 2025-02-19

Bacillus velezensis FZB42 is a prominent plant growth-promoting rhizobacterium and biocontrol agent known for producing wide array of antimicrobial compounds. The capability to genetically manipulate this strain would facilitate understanding its metabolism enhancing sustainable agriculture applications. In study, we report the first successful implementation high-efficiency CRISPR-Cas9 genome editing in B. FZB42, enabling targeted genetic modifications gain insights into growth-promotion...

10.1002/bit.28933 article EN Biotechnology and Bioengineering 2025-01-27
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