A5002782805- Biofuel production and bioconversion
- Microbial Metabolic Engineering and Bioproduction
- Enzyme Production and Characterization
- Phase Equilibria and Thermodynamics
- Soil and Water Nutrient Dynamics
- Phytase and its Applications
- Polymer-Based Agricultural Enhancements
- Pesticide and Herbicide Environmental Studies
- Hydrogels: synthesis, properties, applications
- Enzyme Catalysis and Immobilization
- Spectroscopy and Chemometric Analyses
- Lignin and Wood Chemistry
- Bioenergy crop production and management
- Process Optimization and Integration
- Fungal Biology and Applications
- Catalysis for Biomass Conversion
- Remote Sensing in Agriculture
- Advanced Cellulose Research Studies
- Microbial Metabolites in Food Biotechnology
- Meat and Animal Product Quality
- Pesticide Residue Analysis and Safety
- Peanut Plant Research Studies
- Advanced Chemical Sensor Technologies
- Anaerobic Digestion and Biogas Production
- Water Quality and Resources Studies
University of Kentucky
2012-2023
<abstract><title><italic>Abstract.</italic></title> Pretreatment is a unit operation in the conversion of biomass to valuable products that utilizes various combinations conditions, including chemicals, heat, pressure, and time, reduce recalcitrance lignocellulose. Many such pretreatments have been developed over years, as operating conditions can be adapted so lignocellulose modified ways unique each pretreatment. By tailoring pretreatment achieve these modifications, types final produced...
The cost of cellulase enzymes has limited the feasibility producing ethanol from fibrous biomass. Traditional submerged fermentation (SmF) was compared to an alternative method cellulase, solid state cultivation (SSC). Results economic analysis indicated that unit costs for enzyme production were $15.67 (The prices are all 2004 in this article, except otherwise stated. We deflated newer using a deflation factor 0.9 per year and inflated older inflation 1.1.) kilogram ($/kg) $40.36/kg, SSC...
A relatively simple dynamic model based on microbial process kinetics has been developed for aerobic composting. Differential equations describing microbial, substrate, and oxygen concentrations, as well moisture temperature profiles have derived a function of vessel size aeration rate. Microbial biomass growth was described using Monod degradable substrate concentration, content, compost temperature. Facility fan operating costs included to permit economic optimization the process....
Ascorbic acid (vitamin C) degradation during electrical and conventional heating was studied to determine if the presence of an electric field altered rate degradation. Experiments were peiformed using a static ohmic apparatus, histories matched applied voltage in case hot oil case. A statistical analysis showed that has no significant effect on ascorbic Pseudo first order kinetics observed for both cases. activation energy frequency factor 12.6 kcal/mol 19.95 × 105 min-1, respectively;...
The influence of CO2 on the bilayer fluidity liposomes, which are representative model cellular membranes, was examined for first time at elevated pressures (up to 13.9 MPa) associated with CO2-based processing liposomes and microbial sterilization. Fluidization melting point depression aqueous dipalmitoylphosphatidylcholine (DPPC) by pressurized (present as an excess phase) were studied steady-state fluorescence anisotropy using membrane probe 1,6-diphenyl-1,3,5-hexatriene (DPH). Isothermal...
Three spatial data sets consisting of high resolution (1 m) remote sensing images acquired in12 spectral bands, an on-the-go yield map, and a Digital Elevation Model were co-registered evaluated for variability studies in Geographic Information Systems environment. Separate maps developed 3, 5, 12 statistically significant mean classes. For each class, the corresponding elevation extracted. The relationship between was strongly linear (r = 0.99). Also, strong 0.92) found. indicated potential studies.
Solidstate fermentation is experiencing renewed interest for industrial enzyme production. Previous studies onthe effects of fungal inoculum size on product yield have focused spore inoculum. However, some organisms requirevegetative inocula. This study investigated the initial colony age, vegetative size, and durationof production biomass phytase in solidstate using Aspergillus niger grownon wheat bran soy meal. Initial inocula from 7 14dayold potato dextrose agar (PDA) plates were used to...
Second generation feedstocks for bioethanol will likely include a sizable proportion of perennial C4 grasses, principally in the Panicoideae clade. The contain agronomically important annual grasses including Zea mays L. (maize), Sorghum bicolor (L.) Moench (sorghum), and Saccharum officinarum (sugar cane) as well promising second Miscanthus x giganteus Panicum virgatum (switchgrass). underlying complexity these polyploid grass genomes is major limitation their direct manipulation thus...
Interest in solid substrate cultivation (SSC) techniques is gaining for biochemical production from renewable resources; however, heat and mass transfer problems may limit application of this technique. The use anaerobic thermophiles SSC offers a unique solution to overcoming these challenges. potential nine thermophilic bacteria was examined on corn stover, sugar cane bagasse, paper pulp sludge, wheat bran submerged liquid (SmC) SSC. Production acetate, ethanol, lactate measured over 10 day...