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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:red'>Update regarding time of defense, see changes below in red. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> engi-dist-bounces@EGR.UH.edu [mailto:engi-dist-bounces@EGR.UH.edu] <b>On Behalf Of </b>Abercrombie, Irene F<br><b>Sent:</b> Friday, June 14, 2013 8:41 AM<br><b>To:</b> engi-dist@egr.uh.edu<br><b>Subject:</b> [CCoE Notice] MS Thesis Presentation<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal;page-break-after:avoid'><b><span style='font-size:16.0pt;font-family:"Tahoma","sans-serif";color:black'>MS Thesis Defense<o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:14.0pt;text-align:center;line-height:normal'><b><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif";color:black'>MEASUREMENTS OF MRI INDUCED HEATING<o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:14.0pt;font-family:"Tahoma","sans-serif";color:black'>Miguel A. Peņa , Jr. <o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:13.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:12.0pt;color:black'>Date: Monday, June 17th, 2013<o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:13.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:12.0pt;color:black'>Location:</span></b><span style='font-size:12.0pt;color:black'> ECE Conference Room <o:p></o:p></span></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='font-size:12.0pt;color:black'>Time: </span></b><s><span style='font-size:12.0pt;color:black'>1:00 pm</span></s><s><span style='font-size:12.0pt;color:#1F497D'> </span></s><span style='font-size:12.0pt;color:red'>10:00 am<o:p></o:p></span></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='color:black'><o:p> </o:p></span></b></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'><b><span style='color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='color:black'>Committee Chair: <o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><span style='color:black'>Dr. Ji Chen<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'><b><span style='color:black'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><b><span style='color:black'>Committee Members: <o:p></o:p></span></b></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><span style='color:black'>Dr. David R. Jackson<o:p></o:p></span></p><p class=MsoNormal align=center style='margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal'><span style='color:black'>Dr. George Zouridakis<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;text-indent:.5in;line-height:normal'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;line-height:normal'><span style='font-size:12.0pt;color:black'>Patients with conductive medical implants are often denied magnetic resonance imaging (MRI) scans; the eddy currents induced on an implant by the MRI radio frequency (RF) signal can render the implant inoperable and also increase its temperature to levels that can harm the patient. This thesis seeks to understand how the insulation and basic dimensions of an elongated implant influence its rise in temperature when scanned. Titanium rods of different diameters, lengths, and insulations were subjected to the RF energy of a 1.5 T, 64 MHz system. Fiber optic temperature probes were used to measure the temperature. Thermal simulations of these experiments were carried out in SEMCAD X. Heating was observed to occur at the ends of the rods. In general, it was discovered that the partially coated rod with the smallest diameter, having its length being close to that of a half-wavelength dipole antenna for the operating frequency of the RF system used, and with partial insulation, experienced the highest increase in temperature.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:0in;margin-bottom:.0001pt;text-indent:.5in;line-height:normal'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div></body></html>