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Biomedical Engineering and Bioengineering Commons™
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- Biomedical Engineering (3)
- Biomedical engineering (3)
- Thermodynamics (2)
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- Gait in humans (1)
- Gait in humans -- Simulation methods (1)
- Gait simulation (1)
- Gases -- Separation (1)
Articles 1 - 10 of 10
Full-Text Articles in Biomedical Engineering and Bioengineering
Potential Optimal Gait Performance Of Mauch S-N-S Prosthetic Knee Configurations As Predicted By Dynamic Modeling, Chih-Hao Chien
Potential Optimal Gait Performance Of Mauch S-N-S Prosthetic Knee Configurations As Predicted By Dynamic Modeling, Chih-Hao Chien
ETD Archive
Patients with prosthetic legs routinely suffer from abnormal gait patterns which can cause health issues and eventually lower the quality of their lives. Despite the half-century advance in the technology of prosthetic knees, from the purely mechanical to microprocessor controlled systems, patient testing suggests that very little progress has been made in the quality of the kinetics and kinematics of amputee gait. Moreover, the cost of microprocessor controlled prosthetic knees may be 10 times more than the purely mechanical knees. While prosthetic knees have become more complex and expensive, it is not proven that the prosthetic knee is a central …
Mineral Uptake Rates And Yield Coefficients Of The Green Microalgae Scenedesmus Dimorphus, Grace N. Mahfouz
Mineral Uptake Rates And Yield Coefficients Of The Green Microalgae Scenedesmus Dimorphus, Grace N. Mahfouz
ETD Archive
The need for renewable sources of energy has become critical as fossil fuel resources, which include oil, coal, and natural gas, are known to contribute to climate change and will eventually be depleted. Biofuels that originate from the fat of plants, animals, microalgae, and bacteria are an attractive alternative. Microalgae, in particular, are strong candidates for biofuel production since they have a high growth rate and lipid content (up to 50 in some species). The goal of this research was to optimize 3N-BBM+V recipe (Bold Basal Medium with 3-fold Nitrogen and Vitamins) in an effort of reducing the amount of …
Design Of Recombinant Tenebrio Molitor Antifreeze Protein For Purification Using Elastin-Like Polypeptide Tag, Joongseok Oh
Design Of Recombinant Tenebrio Molitor Antifreeze Protein For Purification Using Elastin-Like Polypeptide Tag, Joongseok Oh
ETD Archive
Fusion protein technologies can aid to improve solubility of recombinant protein from microorganisms and help recombinant protein purification. Elastin-like polypeptides (ELP) as a fusion tag can be utilized to facilitate the purification of recombinant proteins because ELP can provide its thermally responsive behavior to ELP tagged proteins. An ELP tag can be used as the purification carrier through inverse transition cycling (ITC), which is a simple and non chromatographic separation process. The purification through ITC can reduce cost and can be quickly performed compared to other purification methods. However, we further considered ELP tag removal because it may possibly hinder …
Computation Of Fifteen Thermodynamic Properties Along Arbitrary Paths From Fundamental Equations Of State Correlations, Prashanth Krishnamoorthy
Computation Of Fifteen Thermodynamic Properties Along Arbitrary Paths From Fundamental Equations Of State Correlations, Prashanth Krishnamoorthy
ETD Archive
In this work, a set of fifteen thermodynamic properties for thirty pure compounds has been estimated using fundamental equations of state (FEOS). A computer program was written which allows to input any two of four fundamental thermodynamic properties entropy, pressure, temperature and density to fix a state point and then use the FEOS to generate any other property at that given state. The program further applies the FEOS to trace thermodynamic processes like isochoric, isobaric, isenthalpic, isothermal and isentropic state changes to find the final state of the compound. The program subsequently displays the initial, final and intermediate state points …
Evolutionary Optimization Of Atrial Fibrillation Diagnostic Algorithms, Aref Smiley
Evolutionary Optimization Of Atrial Fibrillation Diagnostic Algorithms, Aref Smiley
ETD Archive
The goal of this research is to introduce an improved method for detecting atrial fibrillation (AF). The foundation of our algorithm is the irregularity of the RR intervals in the electrocardiogram (ECG) signal, and their correlation with AF. Three statistical techniques, including root mean squares of successive differences (RMSSD), turning points ratio (TPR), and Shannon entropy (SE), are used to detect RR interval irregularity. We use the Massachusetts Institution of Technology / Beth Israel Hospital (MIT-BIH) atrial fibrillation databases and their annotations to tune the parameters of the statistical methods by biogeography-based optimization (BBO), which is an evolutionary optimization algorithm. …
A Psa Process For An Oxygen Concentrator, Aaron A. Moran
A Psa Process For An Oxygen Concentrator, Aaron A. Moran
ETD Archive
Oxygen is used in a variety of chemical processes and for medical purposes throughout the world. Pressure swing adsorption (PSA) has become a viable alternative to cryogenic distillation for the separation of oxygen from air with the development of advanced adsorbents like zeolites. PSA processes are inherently complex because it is a dynamic process. Efficient operation of a PSA process is necessary in order to utilize the capacity of the adsorbent as much as possible and reduce the power requirements of the process.In this thesis, a novel zeolite adsorbent was utilized in a PSA process for oxygen generation with the …
Human Hair Keratin Protein, Hair Fibers And Hydroxyapatite (Ha) Composite Scaffold For Bone Tissue Regeneration, Samuel Siyum
Human Hair Keratin Protein, Hair Fibers And Hydroxyapatite (Ha) Composite Scaffold For Bone Tissue Regeneration, Samuel Siyum
ETD Archive
The field of tissue engineering aims at promoting the regeneration of tissues or replacement of failing or malfunctioning tissue by means of combining a scaffold material, adequate cells and bioactive molecules. Different materials have been proposed for use as three-dimensional porous scaffolds for bone tissue engineering procedures. Among them, polymers of natural origin are one of the most attractive options mainly due to their similarities with the extracellular matrix (ECM), chemical versatility as well as typically good biological performance. In this study, two biocompatible composite scaffolds were developed from natural polymer by tissue engineering approach and tested in vitro. The …
Validation Of An Accelerometry Based Method Of Human Gait Analysis, Obinna Nwanna
Validation Of An Accelerometry Based Method Of Human Gait Analysis, Obinna Nwanna
ETD Archive
Gait analysis is the quantification of locomotion. Understanding the science behind the way we move is of interest to a wide variety of fields. Medical professionals might use gait analysis to track the rehabilitation progress of a patient. An engineer may want to design wearable robotics to augment a human operator. Use cases even extend into the sport and entertainment industries. Typically, a gait analysis is performed in a highly specialized laboratory containing cumbersome expensive equipment. The process is tedious and requires specially trained operators. Continued development of small and cheap inertial measurement units (IMUs) over an alternative to current …
Benefits Of Nitric Oxide Cues To Matrix Synthesis By Healthy And Aneurysmal Human Smooth Muscle Cells Within 3d Cocultures, Phillip Simmers
Benefits Of Nitric Oxide Cues To Matrix Synthesis By Healthy And Aneurysmal Human Smooth Muscle Cells Within 3d Cocultures, Phillip Simmers
ETD Archive
Vascular diseases such as atherosclerosis and aneurysms are characterized by the over-proliferation and migration of aortic smooth muscle cells (SMCs), and degradation of extracellular matrix (ECM) within the vessel wall, leading to compromise in cell-cell and cell-matrix signaling pathways. Recent tissue engineering approaches to regulate SMC over-proliferation and enhance healthy ECM synthesis showed promise, but resulted in low crosslinking efficiency and matrix deposition yields. In this study, the benefits of exogenous nitric oxide cues, delivered from S-Nitrosoglutathione (GSNO), to cell proliferation and matrix deposition by adult human aortic SMCs (HA-SMCs) within 3D biomimetic cultures have been explored. The first experiment …
Effects Of Environmental Heavy Metals On Neural Stem Cell Survival And Differentiation, Sameera S. Clev Tasneem
Effects Of Environmental Heavy Metals On Neural Stem Cell Survival And Differentiation, Sameera S. Clev Tasneem
ETD Archive
No abstract provided.