Browsing by Subject "Glucose -- Measurement."
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Item Calibration methodology for a microwave non-invasive glucose sensor.(2008-06-09T15:41:02Z) McClung, Melanie J.; Jean, B. Randall.; Engineering.; Baylor University. Dept. of Electrical and Computer Engineering.Non-invasive measuring techniques for determining biological parameters are more heavily researched with the growth of the biomedical industry. One of the top areas in non-invasive research deals with diabetes. This disease affects more than 20 million people in the United States, and there is an increasing desire to find a testing process that is non-invasive, easy to use, and safe for users. Microwave technology has improved greatly during recent years and is now seen more often in conjunction with biomedical research. Microwaves are capable of taking measurements of materials inside of a closed volume without the need to come into contact with the material. This makes them ideal for measuring biological parameters, specifically glucose concentrations in the blood. This thesis expands on the development of a microwave sensor to non-invasively measure blood glucose levels and will examine the possibility of developing a calibration for a device using the microwave sensor.Item Design of a microwave sensor for non-invasive determination of blood-glucose concentration.(2006-05-27T14:46:59Z) Green, Eric C.; Jean, B. Randall.; Engineering.; Baylor University. Dept. of Electrical and Computer Engineering.Diabetes is a disease that afflicts millions worldwide. To control the effects of this disease, diabetics must check their blood glucose levels on a regular basis. Currently, all daily glucose monitoring techniques are invasive, requiring a sample of blood. Microwave sensors are non-destructive and non-contact measuring devices, making them ideal for the measurement of parameters in industrial processes. Current uses of microwave sensors range from measuring moisture content of corn chips to measuring concentration of a solute in water. If a microwave sensor were developed to determine blood glucose concentration, it could be the first daily-use glucose-measuring technique that is truly non-invasive. This thesis provides background on diabetes and microwave measurement. From this background, a sensor is developed and its advantages are illustrated. The thesis concludes by making suggestions for improving the sensor and recommendations on how to implement the sensor into a useful product.Item A microwave radiometer system for use in biomedical applications.(2007-02-21T22:39:34Z) Ballew, Laura R.; Jean, B. Randall.; Engineering.; Baylor University. Dept. of Electrical and Computer Engineering.The biomedical industry is a rapidly growing sector and demands are increasing for the production of safe and noninvasive technologies. With the current surge of diabetes, a very desirable application for these technologies is a non-invasive monitor for blood glucose level. Recently, microwave sensing has offered hope for safer diagnostic and therapeutic procedures. One specific sensing technique involves a microwave radiometer, which provides a purely passive measurement of naturally emitted electromagnetic radiation from material objects. A highly sensitive receiver, the radiometer can detect radiation for the purpose of obtaining useful information about a particular object, thus providing a safe tool for the biomedical industry. This thesis outlines the microwave properties of radiometry and presents the design of a microwave radiometer aimed at biomedical applications. Experimental results demonstrate the applicability and repeatability of the device, as well as its performance as a biomedical sensor.