Selected Papers
- Keskin AÜ, Dalan AB, Çıragil P, Topkaya AE. Investigation of SARS-CoV-2- Specific Humoral and Cellular Immunity Values in Health Care Workers with COVID-19 Disease and Administered with COVID-19 Vaccine. Mikrobiyol Bul 2022;56(3):480-492. (PDF)
- Ali Umit Keskin; Pinar Ciragil; Aynur Eren Topkaya, "Clinical Accuracy of Instrument-Read SARS-CoV-2 Antigen Rapid Diagnostic Tests (Ag-IRRDTs)", International Journal of Microbiology, Volume 2022, Article ID 9489067, doi: 10.1155/2022/9489067. (link)
- Topkaya AE, Keskin AÜ, Dalan AB, Çıragil P. The Second Shot of CoronaVac Vaccine May Cause Reduction of Antibody Levels in People who Previously had COVID-19. Mikrobiyol. Bul. 2021;53(2):139-141. (link)
- Keskin AU, Bolukcu S, Ciragil P, Topkaya AE. SARS-CoV-2 specific antibody responses after third CoronaVac or BNT162b2 vaccine following two-dose CoronaVac vaccine regimen. J Med Virol. 2022, Jan; 94(1):39-41. doi: 10.1002/jmv.27350. (link)
- Kipritci Z, Keskin AÜ, Ciragil P, Topkaya AE. Evaluation of a Visually-Read Rapid Antigen Test Kit (SGA V-Chek) for Detection of SARS-CoV-2 VirusSARS-CoV-2. Mikrobiyol Bul 2021;53(2):461-464. doi:10.5578/mb.20219815. (link)
- Dalibor Biolek, Jiri Vavra, Ali Ümit Keskin, “CDTA-Based Capacitance Multipliers”. Circuits, Systems, and Signal Processing. 38: (4) pp. 1466-1481, 2019. (link)
- Chunhua Wang , Jing Xu, Ali Ümit Keskin, Sichun Du and Qiujing Zhang , "A new current-mode current controlled SIMO-type universal filter", AEU-International Journal of Electronics and Communications, Vol.: 65 Issue: 3 Pages: 231-234 , March 2011
- Dalibor Biolek, Ali Umit Keskin, Viera Biolkova, "Grounded capacitor current mode SRCO using single modified CDTA", IET Circuits, Devices & Systems, Vol. 4, Iss. 6, pp. 496-502,2010, (doi: 10.1049/iet-cds.2009.0330)
- Ali Umit Keskin, Comments on the "Sensor calibration and compensation usingartificial neural network", ISA Transactions - (Instrumentation, Systems, and Automation, Elsevier), Vol. 48, Issue 2, pp: 143-144, April 2009. (PDF)
- Ali Ümit Keskin, "Effects of PUVA Treatment on the Optical Properties of Blood/Tissue Storage Bags During Extracorporeal Photochemotherapy", Transfusion and Apheresis Science, vol 37, pp:139-143, 2007 .
- Berna Okudan, Ali Ümit Keskin, Asım Aydın, Gökhan Cesur, Selçuk Çömlekçi, Harun Süslü, "DEXA analysis on the bones of intrauterine and neonatal rats exposed to static and 50Hz electrical fields", Bioelectromagnetics, Vol.27, No:7, pp: 589-592, 2006.
- Ali Ümit Keskin, "A simple Analog Behavioral Model for NTC thermistors including selfheating effect", Sensors and Actuators-A, vol. 118-2, pp: 244-247, February 2005.
- Ali Ümit Keskin, Tolga Meriç Yanar, "Steady-state solution of loaded thermistor problems using an electrical equivalent circuit model", Measurement Science and Technology, vol. 15, (10), pp: 2163-2169, 2004.
- Ali Ümit Keskin, Fuat Bayrakçeken, "A simple signal processing application in flash spectroscopy", Asian Journal of Spectroscopy, Vol. 8, pp: 63-71, 2004.
- Ali Umit Keskin, Feride Sermin Utku, “Rhelogical Modelling of Bio-fluids Using Moving Coil Transducers”, Paper No: 132, The 3rd World Congress on Biomedical Engineering and Systems (ICBES'16), August 17 – 18, 2016, Budapest, HUNGARY .
- Omer Alper Yildiz, Gokhan Ertas, Ali Umit Keskin, “A Microcontroller-based Device for Erythrocyte Sedimentation Rate Measurements”, BEBI 13, September 17-19, 2013, pp: 33-36, Baltimore, USA .
- Aylin Nuhoglu, Hakan Bozkurt, Ali Ümit Keskin, "Assessment of Electrode-Based Spontaneous Eye Blink Analysis", BEBI 11, August 23-25, 2011, Florence, ITALY
- Ali Ümit Keskin, Cihat Koyuncu, "LED-based liquid cryogen level measurement", Second International Conference on Biomedical Electronics and Biomedical Informatics , (BEBI'09), p.161-164, August 20-23, 2009, Moscow, RUSSIA
Patents
-Erhan AYŞAN, Ali Ümit KESKİN; TP 2019/00613, Cerrahi girişim yapılmaksızın, ince bağırsak absorbsiyon alanını ayarlanabilir bir şekilde daraltan yeni bir obezite tedavi
yöntemi (A new obesity treatment method that constricts small intestinal absorption area in adjustable manner without surgical intervention); Tescil Tarihi (Granted on): 21.03.2022
Grounded Capacitance Multipliers With Electronic Tuning Possibility Using Single Current Feedback Amplifier. US Patent No: US 10,382,011 B2, Grant Date: Aug. 13, 2019. Prof. Dr. Ali Ümit KESKİN.
Analog Circuit for Wide Range Sensor Linearization Optimal in Uniform Norm. Patent No: EP3309525, Pub. Date: Oct. 26, 2018. Grant Date: Feb. 6, 2019. Prof. Dr. Ali Ümit KESKİN.
Biochemical Analyser Based on a Machine Learning Algorithm Using Test Strips and a Smart Device. WO2018194525A1, Pub. Date: Oct. 25, 2018. Prof. Dr. Ali Ümit KESKİN, Dr Andaç HAMAMCI.
Level Sensing and Monitoring Device for Cryogenic Containers TR 2009 05369 A1. Grant Date: Jan 21, 2011. Prof.Dr. Ali Ümit KESKİN. Geniş Aralıkta Sensör Doğrusallaştırmaya Yönelik Düzgün Normda Optimal Analog Devre. TR 2016 14439 B, Grant Date: Jan 21, 2011. Prof.Dr. Ali Ümit KESKİN.
Courses
Fall: BME 102 Introduction to Biomedical Engineering, BME 214 Electrical Circuits in Biomedical Engineering, BME 492 Project.
