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Biomedical Engineering and Bioengineering Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Institution
- Keyword
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- Cell migration (2)
- Compliance (2)
- EMS (2)
- Environmental Management Systems (2)
- Fluorescence microscopy (2)
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- Gene delivery (2)
- Nitrogen (2)
- Reverse transfection (2)
- Solid-phase delivery (2)
- this paper will review options for integrating this standard into planning procedures for animal manure management systems. (1)
- Adenosine triphosphate (1)
- Agronomy (1)
- Air chilling (1)
- Ammonia (1)
- And phosphorus excretion for seven livestock and poultry species. The manure excretion estimates of the new standard are compared with the past ASAE standard as well as other commonly used reference values for three specie groups. Significant differences in excretion are common with the new standard compared to past standards. The paper also details examples of how common industry variations in animal performance and feed program substantially impacts excretion estimates (1)
- Animal feedingThis paper introduces the new ASAE Standard D384.2 (1)
- Beef cattle feedlots (1)
- Biodegradable (1)
- Biomaterial (1)
- Bioreactors (1)
- Bubble growth (1)
- Carbon radioisotopes (1)
- Cell Polarity (1)
- Cellobiose (1)
- Cellulose (1)
- Clostridium (1)
- Clostridium thermocellum (1)
- Complementary DNA (1)
- Computer modeling (1)
- Container plants (1)
- Publication
- Publication Type
Articles 1 - 30 of 35
Full-Text Articles in Biomedical Engineering and Bioengineering
Modification And Evaluation Of Continuous Roll Prediction Model For Front Drive Mowers, Xinyan Wang
Modification And Evaluation Of Continuous Roll Prediction Model For Front Drive Mowers, Xinyan Wang
Doctoral Dissertations
The recently approved ASAE Standard S547 “Tip-Over Protective Structure (TOPS) for Front Wheel Drive Turf and Landscape Equipment” addressed a continuous roll prediction model for Roll-Over Protective Structure (ROPS) design. The existing model described in this Standard did not take into account the influence of the mower deck on the rollover behavior. In order to evaluate the accuracy of the original model, according to the ASAE S547 requirement, a 4.05 meters long and 3.42 meters wide slope of 35 degrees was constructed at the University of Tennessee. Lateral upset tests for Deere F925 front drive mower with regular and inverted …
Quantitative Elucidation Of A Distinct Spatial Gradient-Sensing Mechanism In Fibroblasts, Ian C. Schneider, Jason M. Haugh
Quantitative Elucidation Of A Distinct Spatial Gradient-Sensing Mechanism In Fibroblasts, Ian C. Schneider, Jason M. Haugh
Ian C. Schneider
Migration of eukaryotic cells toward a chemoattractant often relies on their ability to distinguish receptor-mediated signaling at different subcellular locations, a phenomenon known as spatial sensing. A prominent example that is seen during wound healing is fibroblast migration in platelet-derived growth factor (PDGF) gradients. As in the well-characterized chemotactic cells Dictyostelium discoideum and neutrophils, signaling to the cytoskeleton via the phosphoinositide 3-kinase pathway in fibroblasts is spatially polarized by a PDGF gradient; however, the sensitivity of this process and how it is regulated are unknown. Through a quantitative analysis of mathematical models and live cell total internal reflection fluorescence microscopy …
Genetic Engineering Of Plants Through Manipulation Of Lignin Biosynthesis, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu
Genetic Engineering Of Plants Through Manipulation Of Lignin Biosynthesis, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu
Michigan Tech Patents
The invention pertains to the genetically down regulating a lignin pathway p-coumarate Co-enzyme A ligase (CCL) in trees.
Manure Use Planning Tools For Nebraska, Charles S. Wortmann, Charles A. Shapiro, Richard K. Koelsch, Richard Deloughery
Manure Use Planning Tools For Nebraska, Charles S. Wortmann, Charles A. Shapiro, Richard K. Koelsch, Richard Deloughery
Department of Biological Systems Engineering: Conference Presentations and White Papers
Three computer programs have been developed to facilitate manure use planning. The Nebraska Manure Value Calculator was developed in Excel to ease the calculation of manure value (www.cnmp.unl.edu) for a specific field giving value to needed nutrients and other expected benefits, and with the option of giving value to manure nutrients used in the more distant future. Nebraska MMPAMUP and MMP-CNMP Document Generators are planning tools for animal feeding operations that work with the Purdue University Manure Management Planner (MMP). Microsoft Word documents are generated which contain some boilerplate text that can be edited, popup lists in Word AutoText to …
Are We Addressing The Cause Of Nutrient Problems?, Richard K. Koelsch
Are We Addressing The Cause Of Nutrient Problems?, Richard K. Koelsch
Department of Biological Systems Engineering: Conference Presentations and White Papers
Content:
Manure P vs. Crop Land P Use
One-Way Flow of Nutrients Is Underlying Cause
Future NMP Checklist?
Should an NMP Measure Environmental Performance?
Whole Farm Nutrient Balance
Whole Farm N Balance
Phosphorus Inputs to Livestock Systems
Should An NMP Estimate Ammonia Emissions?
Daily Ammonia Emissions from Livestock (36 km grid)
Ammonia Emissions Regulatory Thresholds
Ammonia Emissions – Swine Finishing Operations
Engineering Substrate-Mediated Gene Delivery With Self-Assembled Monolayers, Angela K. Pannier, Lonnie D Shea
Engineering Substrate-Mediated Gene Delivery With Self-Assembled Monolayers, Angela K. Pannier, Lonnie D Shea
Department of Biological Systems Engineering: Conference Presentations and White Papers
Gene transfer has many potential applications in basic and applied sciences, including functional genomics, gene therapy, and tissue engineering. Substrate- mediated delivery, also termed solid phase delivery, describes the immobilization of DNA, complexed with nonviral vectors, to a biomaterial or substrate that supports cell adhesion. A critical component to this process is designing the appropriate interactions between the DNA complexes and substrate. The objective of this study was to investigate gene transfer as a function of i) complex formation and deposition conditions and ii) non-specific and specific binding interactions between the complexes and substrate. The volume and time of complex …
Where’S The Poop? Environmental Challenges For Large And Small Animal Feeding Operations, Richard K. Koelsch, John Lawrence
Where’S The Poop? Environmental Challenges For Large And Small Animal Feeding Operations, Richard K. Koelsch, John Lawrence
Department of Biological Systems Engineering: Conference Presentations and White Papers
Content:
Where’s the Poop?
Status and Trends in Small and Mid-Sized Animal Operations in the U.S.
Numbers of farms, animals, & nutrients
Non-confined animals: Farms and AU
Confined animals: Farms and AU
Confined animals: Manure nutrients
Confined animals: Farms with excess manure
AFO Challenges
Bang-for-the-Buck Programming
Microbial Quality Of Runoff Following Land Application Of Cattle Manure And Swine Slurry, Jeanette A. Thurston-Enriquez, John E. Gilley, Bahman Eghball
Microbial Quality Of Runoff Following Land Application Of Cattle Manure And Swine Slurry, Jeanette A. Thurston-Enriquez, John E. Gilley, Bahman Eghball
Biological Systems Engineering: Papers and Publications
Concentrations of human health-related microorganisms in runoff from agricultural plots (0.75m x 2m) treated with fresh and aged cattle manure, swine slurry and no manure (control) were determined. Three consecutive simulated rainfall events, producing 35 mm rainfall and separated by 24 h, were carried out for each plot. Fecal indicator (Escherichia coli, enterococci, Clostridium perfringens and coliphage) loads released in rainfall runoff from plots treated with fresh cattle manure, aged cattle manure and swine slurry treatments ranged from 5.52 x 105 to 4.36 x 109, 3.92 x 104 to 4.86 x 108, and 9.63 …
Substrate-Mediated Delivery From Self-Assembled Monolayers: Effect Of Surface Ionization, Hydrophilicity, And Patterning, Angela K. Pannier, Brian C. Anderson, Lonnie D Shea
Substrate-Mediated Delivery From Self-Assembled Monolayers: Effect Of Surface Ionization, Hydrophilicity, And Patterning, Angela K. Pannier, Brian C. Anderson, Lonnie D Shea
Biological Systems Engineering: Papers and Publications
Gene transfer has many potential applications in basic and applied sciences. In vitro, DNA delivery can be enhanced by increasing the concentration of DNA in the cellular microenvironment through immobilization of DNA to a substrate that supports cell adhesion. Substrate-mediated delivery describes the immobilization of DNA, complexed with cationic lipids or polymers, to a biomaterial or substrate. As surface properties are critical to the efficiency of the surface delivery approach, selfassembled monolayers (SAMs) of alkanethiols on gold were used to correlate surface chemistry of the substrate to binding, release, and transfection of non-specifically immobilized complexes. Surface hydrophobicity and ionization were …
Spatial Analysis Of 3′ Phosphoinositide Signaling In Living Fibroblasts, Iii: Influence Of Cell Morphology And Morphological Polarity, Ian C. Schneider, Elizabeth M. Parrish, Jason M. Haugh
Spatial Analysis Of 3′ Phosphoinositide Signaling In Living Fibroblasts, Iii: Influence Of Cell Morphology And Morphological Polarity, Ian C. Schneider, Elizabeth M. Parrish, Jason M. Haugh
Ian C. Schneider
Activation of phosphoinositide (PI) 3-kinase is a required signaling pathway in fibroblast migration directed by platelet-derived growth factor. The pattern of 3′ PI lipids in the plasma membrane, integrating local Pl 3-kinase activity as well as 3′ PI diffusion and turnover, influences the spatiotemporal regulation of the cytoskeleton. In fibroblasts stimulated uniformly with platelet-derived growth factor, visualized using total internal reflection fluorescence microscopy, we consistently observed localized regions with significantly higher or lower 3′ PI levels than adjacent regions (hot and cold spots, respectively). A typical cell contained multiple hot spots, coinciding with apparent leading edge structures, and at most …
Manure Use Planning: An Evaluation Of A Producer Training Program, Charles S. Wortmann, Richard K. Koelsch, Charles A. Shapiro, Richard L. Deloughery, David D. Tarkalson
Manure Use Planning: An Evaluation Of A Producer Training Program, Charles S. Wortmann, Richard K. Koelsch, Charles A. Shapiro, Richard L. Deloughery, David D. Tarkalson
Biological Systems Engineering: Papers and Publications
A training program for producers in manure use planning was evaluated. The potential for runoff nutrient loss to surface water can reduced and the value of manure increased through better planning of manure use. Training was conducted throughout Nebraska in 2002 and 2003. Livestock producers who attended evaluated the event at the end of the last class. The need for and impact of the training was greater for continuing operational and maintenance skills of manure utilization that are regularly needed for strategic planning skills. We recommend that training focus primarily on operational and maintenance skills.
Managing Phosphorus In Beef Feeding Operations, William F. Kissinger, Richard K. Koelsch, Galen E. Erickson, Terry J. Klopfenstein
Managing Phosphorus In Beef Feeding Operations, William F. Kissinger, Richard K. Koelsch, Galen E. Erickson, Terry J. Klopfenstein
Department of Biological Systems Engineering: Conference Presentations and White Papers
A commercial feedlot study was conducted to determine manure nutrient flow in six feedlots representing 6,366 cattle. On average, cattle involved in this summary were yearlings (BW = 353 kg) and gained 183 kg over 123 d. It was calculated that 11.5% of the feed nitrogen and 16.9% of the feed phosphorus was retained by the animal with the remaining nutrients excreted. On average, 25.6 kg of N and 4.1 kg of P (DM basis) were excreted per fed beef animal. On average, 887 kg total manure (solids and water) were removed per finished animal (7.2 kg/animal/d) averaging 73% total …
Integrating Animal Feeding Strategies Into Cnmp Processes: Role Of Updated Asae Standard D384.2, Richard K. Koelsch, W. Powers, A. L. Sutton
Integrating Animal Feeding Strategies Into Cnmp Processes: Role Of Updated Asae Standard D384.2, Richard K. Koelsch, W. Powers, A. L. Sutton
Department of Biological Systems Engineering: Conference Presentations and White Papers
This paper introduces the new ASAE Standard D384.2, Manure Production and Characteristics. This new standard provides an equation-based approach that integrates dry matter and nutrient intake as well as animal performance into the final estimate of total solids, nitrogen, and phosphorus excretion for seven livestock and poultry species. The manure excretion estimates of the new standard are compared with the past ASAE standard as well as other commonly used reference values for three specie groups. Significant differences in excretion are common with the new standard compared to past standards. The paper also details examples of how common industry variations in …
A New Application For Fine Ground Rubber In The Control Of Odors From Livestock Manure Storage Structures, Lakshmi Koppolu, Richard K. Koelsch, Dennis D. Schulte, Crystal Powers, Dwaine Bundy
A New Application For Fine Ground Rubber In The Control Of Odors From Livestock Manure Storage Structures, Lakshmi Koppolu, Richard K. Koelsch, Dennis D. Schulte, Crystal Powers, Dwaine Bundy
Department of Biological Systems Engineering: Conference Presentations and White Papers
The purpose of this project was to quantify the odor and gas emission benefits of a fine ground rubber cover on laboratory scale manure storage units and to evaluate the ability of a fine ground rubber cover applied to a commercial swine manure storage unit to remain intact and functional over an extended period of time. A three-inch cover of fine ground rubber reduced odors by 77 to 99 percent from the manure storage tanks over a six-week period. However, consistent reductions of NH3 emissions were not observed and H2S emissions from all manure storage treatments were …
Elastic Waves Push Organic Fluids From Reservoir Rock, Igor A. Beresnev, R. Dennis Vigil, Wenqing Li, Wayne D. Pennington, Roger M. Turpening, Pavel P. Iassonov, Robert P. Ewing
Elastic Waves Push Organic Fluids From Reservoir Rock, Igor A. Beresnev, R. Dennis Vigil, Wenqing Li, Wayne D. Pennington, Roger M. Turpening, Pavel P. Iassonov, Robert P. Ewing
R. Dennis Vigil
Elastic waves have been observed to increase productivity of oil wells, although the reason for the vibratory mobilization of the residual organic fluids has remained unclear. Residual oil is entrapped as ganglia in pore constrictions because of resisting capillary forces. An external pressure gradient exceeding an ‘‘unplugging’’ threshold is needed to carry the ganglia through. The vibrations help overcome this resistance by adding an oscillatory inertial forcing to the external gradient; when the vibratory forcing acts along the gradient and the threshold is exceeded, instant ‘‘unplugging’’ occurs. The mobilization effect is proportional to the amplitude and inversely proportional to the …
Substrate-Mediated Gene Delivery For Assessment Of Signal Transduction Pathways In Cancer Cells, Angela K. Pannier, Zain Bengali, Eric A. Ariazi, V. Craig Jordan, Lonnie D Shea
Substrate-Mediated Gene Delivery For Assessment Of Signal Transduction Pathways In Cancer Cells, Angela K. Pannier, Zain Bengali, Eric A. Ariazi, V. Craig Jordan, Lonnie D Shea
Department of Biological Systems Engineering: Conference Presentations and White Papers
Gene delivery has the potential to be used in diagnostic applications, specifically to investigate cellular signal transduction pathways responsible for disease. Analysis of multiple pathways or genes in a parallel format can be achieved using a transfected cell array, a high throughput approach to correlate gene expression with functional cell responses, based on gene delivery from a substrate that supports cell adhesion. Substrate-mediated gene delivery functions by self-assembling DNA with nonviral vectors, resulting in positively charged complexes that can interact with a biomaterial or substrate. Cells cultured on the substrate are exposed to elevated DNA concentrations within the local microenvironment, …
Applications Of Using The Odor Footprint Tool, Richard R. Stowell, L. Koppolu, Dennis D. Schulte, Richard K. Koelsch
Applications Of Using The Odor Footprint Tool, Richard R. Stowell, L. Koppolu, Dennis D. Schulte, Richard K. Koelsch
Department of Biological Systems Engineering: Conference Presentations and White Papers
The Odor Footprint Tool is a science-based computer resource for use in evaluating the potential odor impact of new and expanded animal production facilities. It was developed to assist livestock producers, their service providers, and county planning and zoning officials in making reasonable decisions while limiting the negative impact of livestock operations on surrounding neighbors and rural communities. The Odor Footprint Tool utilizes an EPA regulatory model (AERMOD), weather databases, new source code, and user input to generate regional odor roses, odor footprints, and directional setback distance curves. Odor roses provide a generic picture of the directionality of …
Using Ems’S To Improve Compliance On Livestock And Poultry Operations, L. Mark Risse, Richard K. Koelsch, Bill Bland, Elizabeth A. Bird, Thomas M. Bass
Using Ems’S To Improve Compliance On Livestock And Poultry Operations, L. Mark Risse, Richard K. Koelsch, Bill Bland, Elizabeth A. Bird, Thomas M. Bass
Department of Biological Systems Engineering: Conference Presentations and White Papers
Across the United States and abroad, innovative producers, processors, trade organizations and others in the agricultural sector are exploring the promise of Environmental Management Systems (EMS) to improve their environmental and business performance. An Environmental Management System or EMS helps farmers develop their own, personal strategies for reducing environmental risk on their operations by integrating environmental management considerations into production management decisions. It is a voluntary, flexible approach and is based on a producer's own sense of how best to manage an operation.
Partnerships for Livestock Environmental Management Systems is a 4-year project to explore the potential of livestock Environmental …
Cellulose Utilization By Clostridium Thermocellum: Bioenergetics And Hydrolysis Product Assimilation, Yi-Heng P. Zhang, Lee R. Lynd
Cellulose Utilization By Clostridium Thermocellum: Bioenergetics And Hydrolysis Product Assimilation, Yi-Heng P. Zhang, Lee R. Lynd
Dartmouth Scholarship
The bioenergetics of cellulose utilization by Clostridium thermocellum was investigated. Cell yield and maintenance parameters, Y(X/ATP)True = 16.44 g cell/mol ATP and m = 3.27 mmol ATP/g cell per hour, were obtained from cellobiose-grown chemostats, and it was shown that one ATP is required per glucan transported. Experimentally determined values for G(ATP)P-T (ATP from phosphorolytic beta-glucan cleavage minus ATP for substrate transport, mol ATP/mol hexose) from chemostats fed beta-glucans with degree of polymerization (DP) 2-6 agreed well with the predicted value of (n-2)/n [corrected] (n = mean cellodextrin DP assimilated). A mean G(ATP)(P-T) value of 0.52 +/- 0.06 was calculated …
Gene Delivery Through Cell Culture Substrate Adsorbed Dna Complexes, Zain Bengali, Angela K. Pannier, Tatiana Segura, Brian C. Anderson, Jae-Hyung Jang, Thomas D. Mustoe, Lonnie D Shea
Gene Delivery Through Cell Culture Substrate Adsorbed Dna Complexes, Zain Bengali, Angela K. Pannier, Tatiana Segura, Brian C. Anderson, Jae-Hyung Jang, Thomas D. Mustoe, Lonnie D Shea
Biological Systems Engineering: Papers and Publications
Efficient gene delivery is a fundamental goal of biotechnology and has numerous applications in both basic and applied science. Substrate-mediated delivery and reverse transfection enhance gene transfer by increasing the concentration of DNA in the cellular microenvironment through immobilizing a plasmid to a cell culture substrate prior to cell seeding. In this report, we examine gene delivery of plasmids that were complexed with cationic polymers (polyplexes) or lipids (lipoplexes) and subsequently immobilized to cell culture or biomaterial substrates by adsorption. Polyplexes and lipoplexes were adsorbed to either tissue culture polystyrene or serum-adsorbed tissue culture polystyrene. The quantity of DNA immobilized …
Department Of Biological Systems Engineering Newsletter, Issue 1, April 2005
Department Of Biological Systems Engineering Newsletter, Issue 1, April 2005
BSE Department Magazine
Contents:
Welcome Comments from Department Head
New Lab in BSE
Dr. Martin Serves as BSE Interim Head
Splinter Labs
New Department Head
Hello-Goodbye
Faculty and Staff News
Cliff Hunter Memorial Picnic
Student News
Quarter-Scale Tractor Team
Freshmen Eat Cars
Scholarship Recognition
Annual Spring Recognition Banquet
New Graduates
Generous Gifts to Endowments in BSE
Plants Having Modified Reproductive Capacity, Gopi Krishna Podila, Jun-Jun Liu, David F. Karnosky
Plants Having Modified Reproductive Capacity, Gopi Krishna Podila, Jun-Jun Liu, David F. Karnosky
Michigan Tech Patents
This invention relates to plants having modified reproductive capacity. In particular, it relates to a plant reproductive tissue specific promoter, the PrAGl promoter isolated from Pinus radiata, and its use in promoting transcription/ expression of associated sequences in plant reproductive tissue, including for the purpose of producing plants which have diminished reproductive capacity or which are sterile.
Methods For Simultaneous Control Of Lignin Content And Composition, And Cellulose Content In Plants, Vincent Lee C. Chiang, Laigeng Li
Methods For Simultaneous Control Of Lignin Content And Composition, And Cellulose Content In Plants, Vincent Lee C. Chiang, Laigeng Li
Michigan Tech Patents
The present invention relates to a method of concurrently introducing multiple genes into plants and trees is provided. The method includes simultaneous transformation of plants with multiple genes from the phenylpropanoid pathways including 4CL, CAld5H, AldOMT, SAD and CAD genes and combinations thereof to produce various lines of transgenic plants displaying altered agronomic traits. The agronomic traits of the plants are regulated by the orientation of the specific genes and the selected gene combinations, which are incorporated into the plant genome.
Ua3/9/5 Dedication Complex For Engineering & Biological Sciences, Wku President's Office
Ua3/9/5 Dedication Complex For Engineering & Biological Sciences, Wku President's Office
WKU Archives Records
Talking points used by WKU president Gary Ransdell at the dedication of the Complex for Engineering & Biological Sciences.
Applying Alternative Technologies To Cafos: A Case Study, Richard K. Koelsch, Carol Balvanz, John George, Dan Meyer, John A. Nienaber, Gene Tinker
Applying Alternative Technologies To Cafos: A Case Study, Richard K. Koelsch, Carol Balvanz, John George, Dan Meyer, John A. Nienaber, Gene Tinker
Department of Biological Systems Engineering: Conference Presentations and White Papers
The US EPA National Pollution Discharge Elimination System permit program has regulated open lot livestock production systems since the 1970’s, historically requiring collection, storage, and land application of runoff. Under the new Concentrated Animal Feeding Operation (CAFO) regulations, the effluent limitation guidelines (ELG) offer the option of Voluntary Alternative Performance Standards for beef and dairy. This potentially allows runoff management options such as vegetative treatment systems (VTS) that may perform equal to or better than our baseline system while maintaining a challenging standard for application of alternative technologies.
To facilitate application of VTS, the Iowa Cattlemen’s Association (ICA) and Iowa …
Using Ems’S To Improve Compliance On Livestock And Poultry Operations, L. Mark Risse, Richard K. Koelsch, W. L. Bland, Elizabeth A. Bird, Thomas M. Bass
Using Ems’S To Improve Compliance On Livestock And Poultry Operations, L. Mark Risse, Richard K. Koelsch, W. L. Bland, Elizabeth A. Bird, Thomas M. Bass
Department of Biological Systems Engineering: Conference Presentations and White Papers
Across the United States and abroad, innovative producers, processors, trade organizations and others in the agricultural sector are exploring the promise of Environmental Management Systems (EMS) to improve their environmental and business performance. An Environmental Management System or EMS helps farmers develop their own, personal strategies for reducing environmental risk on their operations by integrating environmental management considerations into production management decisions. It is a voluntary, flexible approach and is based on a producer's own sense of how best to manage an operation.
Partnerships for Livestock Environmental Management Systems is a 4-year project to explore the potential of livestock Environmental …
Beneficial Reuse And Sustainability: The Fate Of Organic Compounds In The Land-Applied Waste, M. R. Overcash, Ronald C. Sims, J. L. Sims, K. C. Nieman
Beneficial Reuse And Sustainability: The Fate Of Organic Compounds In The Land-Applied Waste, M. R. Overcash, Ronald C. Sims, J. L. Sims, K. C. Nieman
Biological Engineering Faculty Publications
Land application systems, also referred to as beneficial reuse systems, are engineered systems that have defined and permitted application areas based on site and waste characteristics to determine the land area size requirement. These terrestrial systems have orders of magnitude greater microbial capability and residence time to achieve decomposition and assimilation compared with aquatic systems. In this paper we focus on current information and information needs related to terrestrial fate pathways in land treatment systems. Attention is given to conventional organic chemicals as well as new estrogenic and pharmaceutical chemicals of commerce. Specific terrestrial fate pathways addressed include: decomposition, bound …
Finite Element Modeling And Experimental Validation Of Cooling Rates Of Large Ready-To-Eat Meat Products In Small Meat-Processing Facilities, A. Amézquita, L. Wang, Curtis L. Weller
Finite Element Modeling And Experimental Validation Of Cooling Rates Of Large Ready-To-Eat Meat Products In Small Meat-Processing Facilities, A. Amézquita, L. Wang, Curtis L. Weller
Biological Systems Engineering: Papers and Publications
A two−dimensional axisymmetric transient heat conduction model was developed to simulate air chilling of large ready−to−eat meat products of ellipsoidal shape. A finite element scheme, using 1,600 linear triangular elements with 861 nodes, was implemented in Matlab 6.5 to solve the model. The model considered a variable initial temperature distribution and combined convective, radiative, and evaporative boundary conditions. Predicted values agreed well with experimental data collected in actual processing conditions. Validation of model performance resulted in maximum deviations of 2.54°C and 0.29% for temperature and weight loss histories, respectively. The maximum temperature deviation (2.54°C) occurred at the surface; however, for …
Policosanol Contents And Compositions In Wax-Like Materials Extracted From Selected Cereals Of Korean Origin, Keum Taek Hwang, Ji Eun Kim, Curtis L. Weller
Policosanol Contents And Compositions In Wax-Like Materials Extracted From Selected Cereals Of Korean Origin, Keum Taek Hwang, Ji Eun Kim, Curtis L. Weller
Biological Systems Engineering: Papers and Publications
Policosanols. long-chained alcohols. have been reported to have beneficial physiological activities. Content and composition of policosanols in wax-like materials extracted from selected cereals of Korean origin were determined. Wax-like materials were extracted using hot hexane. Yields of wax-like materials from unpolished grain sorghum, polished grain sorghum. brown rice. purple rice, wheat, and maize were 223, 37, 33, 61, 10, and 10 mg/100 g of dry kernels, respectively. Policosanol contents, as determined using HPLC, in the wax-like materials from the cereals were 33, 29, 6.0, and 2% (w/w, db), respectively. Major alcohols in the policosanols from grain sorghum were octacosanol and …
Root Zone Temperatures Of Viburnum Odoratissimum Grown In The Multipot Box System And Conventional Systems: Measurement And Analyses Of Temperature Profiles And Predicting Root Zone Temperatures, Suat Irmak, D. Z. Haman, Ayse Kilic, J. W. Jones, B. Tonkinson, D. Burch, T. H. Yeager, C. Larsen
Root Zone Temperatures Of Viburnum Odoratissimum Grown In The Multipot Box System And Conventional Systems: Measurement And Analyses Of Temperature Profiles And Predicting Root Zone Temperatures, Suat Irmak, D. Z. Haman, Ayse Kilic, J. W. Jones, B. Tonkinson, D. Burch, T. H. Yeager, C. Larsen
Biological Systems Engineering: Papers and Publications
This research study evaluates the effectiveness of a recently introduced irrigation- plant production system, multipot box system (MPBS), for moderating root zone temperature (RZT) compared with the conventional nursery containers. The study also deals with the development, calibration, and validation of a series of models that can be used to predict maximum (max) and minimum (min) RZTs using commonly available input variables. The Viburnum odoratissimum (Ker.-gawl.) was used as the test plant. Models were calibrated in the fall growing season and validated during the summer. The RZT was used as the dependent variable while the max and min air temperatures …