Browsing Department of Bioengineering by Issue Date
Now showing items 21-40 of 338
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MR Susceptibility Weighted Imaging And Its Clinical Applications
(Biomedical Engineering, 2007-08-23)Susceptibility Weighted Imaging (SWI) is a new T2* weighted Gradient Echo sequence that exploits the magnetic properties of tissues due to local inhomogeneities in the magnetic field. This technique was originally called ... -
Detection Of Sleep Disordered Breathing Using Electroencephalography
(Biomedical Engineering, 2007-08-23)This study investigates the application of Electroencephalography (EEG) to detect Sleep disordered breathing (SDB) using power spectral analysis. A preliminary study was performed on 13 subjects (ages: 49.08 ± 8.82) ... -
Investigation Of Breast Tumor Hemodynamics By Near Infrared Spectroscopy: Applications To Cancer Therapy Monitoring
(Biomedical Engineering, 2007-08-23)Hyperoxic gas interventions using carbogen (95% O2 and 5% CO2) or oxygen has been tried to increase the tumor oxygenation since it will enhance the therapeutic effects on the tumors. Others in the laboratory had previously ... -
Magnetically Anchored "reduced Trocar" Laparoscopy: Evolution Of Surgical Robotics
(Biomedical Engineering, 2007-08-23)Laparoscopic surgery has become increasingly popular over the last few years due to its benefits; lower morbidity, less perceived pain, better cosmesis results, and less hospital time. For the surgeon however, there are ... -
Use Of Near Infrared And Visible Spectroscopies To Determine Optical Properties Of Rat Nervous System
(Biomedical Engineering, 2007-08-23)Changes to the anatomical or physiological structure of the neuronal circuitry are known to produce a change in the optical properties of the tissue under investigation. The goal of this thesis is to determine changes in ... -
Fiber Based Non-linear Excitation Fluorescence Microscopy
(Biomedical Engineering, 2007-08-23)Non-linear excitation fluorescence microscopy is a high resolution, non-invasive biological imaging technique capable of imaging both in vitro and in vivo at the depths of several hundred microns. The goal of the thesis ... -
Fabrication And Mechanical Characterization Of A Two-ply Cross Fiber Stent And Fibers Comprising Blends Of Poly(L-lactic Acid)
(Biomedical Engineering, 2007-08-23)Recent studies indicate that stabilization of vulnerable atherosclerotic plaques is critical for minimizing acute coronary syndromes. In this regard a new biodegradable stent design, the Two-ply cross fiber stent, has been ... -
Biomechanical Properties Of Anterior Vaginal Wall Tissue In Post-menopausal Women
(Biomedical Engineering, 2007-08-23)Cystocele repair in post-menopausal women suffering from urinary incontinence and associated vaginal prolapse is a common method of palliation. In this method, there is surgical reduction of vaginal tissue and the weak ... -
Investigation Of Information Processing And Cognitive Performance Capacities With Different Instrumentation Configurations
(Biomedical Engineering, 2007-08-23)The focus of this thesis is the investigation of two new performance capacity tests related to a concept known as "situational awareness": 1) Visual Motor Multitask Performance Capacity (VMMPC) and 2) Visual Auditory ... -
Optical Coherence Tomography Of Oral Mucosa
(Biomedical Engineering, 2007-08-23)Oral cancer causes 120000* deaths annually around the world and 280000* new cases are diagnosed every year. Technology has developed and the death rate of oral cancer has improved over the last few decades; hence to improve ... -
High Resolution Optical Coherence Tomography (OCT) System For Integration With A Multimodal Optical Imaging Workstation
(Biomedical Engineering, 2007-08-23)Development and construction of a high resolution Optical Coherence Tomography (OCT) system is described. OCT is one of the modalities in an integrated multimode optical imaging workstation built around an inverted ... -
Development Of An In-vitro Assay For Neurotrophin-induced Segregation Of Nociceptive And Proprioceptive Sensory Axons
(Biomedical Engineering, 2007-08-23)Peripheral nerves have the capacity for regeneration and if properly repaired, axon extensions can regenerate even across gaps caused by peripheral nerve loss. Complete functional recovery after gap injury repair remains ... -
Design And Construction Of A Fast Spectrometer For Fourier Domain Optical Coherence Tomography
(Biomedical Engineering, 2007-08-23)A fast spectrometer capable of operating at 27.8 KHz is designed and calibrated to work in the wavelength range of 700-900 nm, to perform Fourier Domain Optical Coherence Tomography (FD-OCT). The OCT system is based on ... -
Near Infrared Spectroscopy: A Study Of Cerebral Hemodynamics During Breathholding And Development Of A System For Hot Flash Measurement
(Biomedical Engineering, 2007-08-23)Near Infrared (NIR) spectroscopy and imaging has become popular in research fields for the past 2-3 decades. My research focuses on the continuous wave near infrared imaging technique. The work consists of two main parts. ... -
Spectroscopic Characterization Of Biliary Tract Tissues In-vivo To Assist Laparoscopic Cholecystectomy
(Biomedical Engineering, 2007-08-23)Laparoscopic Cholecystectomy is a surgical method for removal of gallbladder when it is diseased with gall stones. Almost 750,000 people are affected with this disease annually in USA. Gall bladder is removed by placing ... -
Miniature Optical Coherence Tomography Probe
(Biomedical Engineering, 2007-08-23)A piezo based optical scanner for high speed optical coherence tomography (OCT) has been developed. Design of the miniature probe has been optimized to take advantages of the high speed depth scanning that can be achieved ... -
A Novel Approach In The Detection Of Obstructive Sleep Apnea From Electrocardiogram Signals Using Neural Network Classification Of Textural Features Extracted From Time-frequency Plots
(Biomedical Engineering, 2007-08-23)Sleep-Disordered Breathing (SDB) is estimated to have a prevalence of 5% in middle-aged population. The population is widely thought to be under diagnosed, since the present method to detect and diagnose SDB, Nocturnal ... -
Characterization And Feasibility Study Of A Near Infrared CCD Imager For Monitoring Tumor Hemodynamics
(Biomedical Engineering, 2007-08-23)Prostate cancer is one of the most common types of cancers diagnosed among North American men. Chemotherapy is generally used to target advanced metastatic prostate cancer. Near infrared spectroscopy (NIRS) has been ... -
Phenotypic Differences In The Behavior Of Immortalized Human Bronchial Epithelial Cells In Three Dimensional Culture Systems
(Biomedical Engineering, 2007-08-23)Human Bronchial Epithelial Cells (HBECS) immortalized with viral oncoproteins E6/E7, are potentially malignant due to numerous chromosomal aberrations. Recently a model system was established in which HBECS were immortalized ... -
Dynamic Modeling Of Cerebral Blood Flow Autoregulation Using ARX And Windkessel Models
(Biomedical Engineering, 2007-08-23)Linear lumped parameter models like ARX and Windkessel models are simple, easy to solve, and find their application in real time modeling. The present study is focused on employing single input single output ARX and ...