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BME -LIFESCI-INOVITA-İSEK JOINT SEMINAR (2014-SPR-7) PowerPoint PPT Presentation


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BME -LIFESCI-INOVITA-İSEK JOINT SEMINAR (2014-SPR-7) 6 May ( Tue ) Time : 14 . 0 0 - 1 6 . 0 0 @ Room AZ-19, BME-TAM Bldg, B.U. Kandilli Campus. Adapting a Magnetic Levitating (MAGLEV) Artificial Blood Pump as a Vibrational Viscometer Ali AKPEK

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BME -LIFESCI-INOVITA-İSEK JOINT SEMINAR (2014-SPR-7)

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Bme lifesci inovita sek joint seminar 2014 spr 7

BME-LIFESCI-INOVITA-İSEK JOINT SEMINAR (2014-SPR-7)

6 May (Tue)Time: 14.00 - 16.00@ Room AZ-19, BME-TAM Bldg, B.U. Kandilli Campus

Adapting a Magnetic Levitating (MAGLEV) Artificial Blood Pump as a Vibrational Viscometer

Ali AKPEK

Tokyo Institute of Technology

The effects of non-uniform temperature field to viscosity measurement is investigated. Non-uniform temperature field is a serious problem that degrades the viscosity measurement accuracy and causes severe problems for the researches in academia and industry. When an artificial blood pump (or simply an artificial heart) is used in a patient, thrombosis occurs and red blood cells start to accumulate within the interior surface of the blood pump. In a couple of years, this accumulated red blood cells cause serious damages to the pump and therefore patients need to replace their pumps. This project aims to detect the amount of thrombosis within the artificial blood pumps and help the experts to decide when to replace the pumps. When thrombosis occurs and red blood cells accumulate inside the blood pump, the viscosity of the blood inside the pump starts to increase. In our study, the impeller of the blood pump is improved not only to rotate but also to vibrate with a specific frequency. As the viscosity of the blood starts to increase, the force which is necessary to keep the vibration frequency of the impeller constant starts to increase. Therefore, there is a linear relationship between the electromagnetic driving force that keeps the impeller in constant frequency and the viscosity of the blood. By capitalizing on this, the blood viscosity and the ideal replacement time for blood pumps may be determined. In summary, this project aims to convert an artificial blood pump into a vibrational viscometer to measure blood viscosity.

Biography

Dr. Akpek was born in 1983 in Karsiyaka, Izmir. He completed his high school education in Izmir Yamanlar Science High School and then graduated from Baskent Universitesi Biomedical Engineering Department. His graduation thesis "Designing a White Noise Generator for Audiometer" is supervised by Prof. Dr. Osman Erogul. He obtained his master degree in Ege University by his dissertation thesis "Comparison of Antibacterial Properties of Ion Implanted and Conventionel Nanoparticle Treated Medical Textiles". This project is supervised by Prof. Dr. Ahmet Oztarhan and funded by TUBITAK and RFBR (Russian Foundation for Basic Research). In 2010, he awarded with Monbukagakusho scholarship and worked as a post graduate international researcher in Bionanotechnology Laboratory of University of Tokyo. His main research thema was "Nanochannel Fabrication Methodologies for Cell Fusion". He started his Ph.D training in Tokyo Institute of Technology in 2011. His Ph.D research was "Non-Uniform Temperature Field Problem in Viscosity Measurement and Adapting a Magnetic Levitating Artificial Blood Pump as a Vibrational Viscometer". This research is supervised by Prof. Toshiharu Kagawa.

For seminar info; to receive electronic notices; for suggestions please contact: Dr. Cengizhan Ozturk, [email protected]


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