Journal Papers

  1. F. Pirim, A. C. Atik, M. B. Yüksel, A. M. Yılmaz, M. B. Uğur, S. Tunalı, A. Batu, M. K. Aslan, M. B. Özer, and H. Külah, “Multichannel Multimodal Piezoelectric Middle Ear Implant Concept Based on MEMS Technology for Next-Generation Fully Implantable Cochlear Implant Applications,” Accepted to Biosensors and Bioelectronics: X, 2024.
  2. Z. Çağlayan Arslan, M. Okan Aydın, and H. Külah, “Hepatocellular Carcinoma Specific ctDNA Detection in PDMS Based All-MEMS Microfluidic Electrochemical Chips,” Accepted to Microchimica Acta, 2024.
  3. M. B. Yüksel, A. C. Atik, and H. Külah, “Piezoelectric Multi-Channel Bilayer Transducer for Sensing and Filterıng Ossicular Vibration,” Accepted to Advanced Science, 2024.
  4. B. Şen Doğan, M. A. Demir, B. Şahin, E. Yıldırım, G. Karayalçın, Ş. Şahin, E. Mutlu, T. B. Töral, E. Özgür, Ö. Zorlu, and H. Külah, “Analytical Validation of a Spiral Microfluidic Chip with Hydrofoil Shaped Pillars for the Enrichment of Circulating Tumor Cells,” Accepted to MDPI Biosensors, 2023.
  5. B. Şen Doğan, E. Yıldırım, Ş. Şahin, E. Özgür, Ö. Zorlu, and H. Külah, “Design of A Microfluidic Device for Immunoaffinity-Based Isolation of Circulating Tumor Cells With Minimal Clogging,” Accepted to Sensors and Actuators Reports, 2023.
  6. S. Önen, A. C. Atik, M. Gizer, S. Köse, Ö. Yaman, H. Külah, P. Korkusuz “A Pumpless Monolayer Microfluidic Device Based on Mesenchymal Stem Cell Conditioned Medium Promotes Neonatal Mouse in vitro Spermatogenesis,” Accepted to Stem Cell Research & Therapy, 2023.
  7. H. Torul, Z. Çağlayan Arslan, T. Tezcan, E. Çalık Kayiş, M. Çalımcı, A. Gümüştaş, E. Yıldırım, H. Külah, U. Tamer. “Microfluidic-based Blood Immunoassay,” Accepted to Journal of Pharmaceutical and Biomedical Analysis, 2023.
  8. A. Tevlek, S. Kecili, O. S. Özçelik, H. Külah, H. C. Tekin, “Spheroid Engineering in Microfluidic Devices,” Accepted to ACS Omega, 2022.
  9. A. Koyuncuoğlu, D. Işık Akçakaya, Ö. Sardan-Sukas, and H. Külah, “Wet etching of platinum (Pt) electrodes for piezoelectric transducers using a thick photoresist mask,” Accepted to Micro and Nano Engineering Journal, Elsevier, 2022.
  10. Z. Çağlayan, Y. Demircan Yalçın, and H. Külah, “Label-free enrichment of MCF7 breast cancer cells from leukocytes using continuous flow dielectrophoresis,” Accepted to Electrophoresis, 2022.
  11. M. B. Yüksel, A. Koyuncuoğlu, and H. Külah, “Thin-Film PZT based Multi-Channel Acoustic MEMS Transducer for Cochlear Implant Applications,” IEEE Sensors Journal, vol. 22, no. 4, pp. 3052-3060, 2022, doi: 10.1109/JSEN.2021.3130953.
  12. S. Chamanian, B. Çiftci, A. Muhtaroğlu and H. Külah, “A Self-Powered and Area Efficient SSHI Rectifier for Piezoelectric Harvesters,” IEEE Access, vol. 9, pp. 117703-117713, 2021, doi: 10.1109/ACCESS.2021.3107365.
  13. Y. Demircan Yalçın, T. B. Töral, S. Sukas, E. Yıldırım, Ö. Zorlu, Ufuk Gündüz, and Haluk Külah, “A Microfluidic Device Enabling Drug Resistance Analysis of Leukemia Cells Via Coupled Dielectrophoretic Detection and Impedimetric Counting,” Scientific Reports, 11, 1319, 2021.
  14. H. A. Yiğit, H. Uluşan, M. Koç, M. B. Yüksel, S. Chamanian, and H. Külah, “Single Supply PWM Fully Implantable Cochlear Implant Interface Circuit with Active Charge Balancing,” IEEE Access, vol. 9, pp. 52642-52653 2021.
  15. B. Çiftçi, S. Chamanian, A. Koyuncuoğlu, A. Muhtaroğlu, and H. Külah, “A Low-Profile Autonomous Interface Circuit for Piezoelectric Micro-Power Generators,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 4, pp. 1458-1471, April 2021.
  16. Y. Engür, H. A. Yiğit, and H. Külah, “13.56 MHz Triple Mode Rectifier Circuit with Extended Coupling Range for Wirelessly Powered Implantable Medical Devices,” IEEE Transactions on Biomedical Circuits and Systems, 2020. doi: 10.1109/TBCAS.2020.3047551.
  17. Z. Çağlayan, Y. Demircan Yalçın, and H. Külah, “A Prominent Cell Manipulation Technique in BioMEMS: Dielectrophoresis,” Micromachines MDPI, Vol. 11, 981, 2020.
  18. G. Özkayar, E. Mutlu, Ş. Şahin, Y. Demircan Yalçın, T. Töral, H. Külah, E. Yıldırım, Ö. Zorlu, E. Özgür, ”A Novel Microfluidic Method Utilizing a Hydrofoil Structure to Improve Circulating Tumor Cell Enrichment: Design and Analytical Validation),” Micromachines MDPI, Vol. 11, 981, 2020. 
  19. B. Şen Doğan, M. Okan, N. Afşar Erkal, E. Özgür, Ö. Zorlu, H. Külah, ”Effect of Surface Modification on the Performance of Microliter Scale Microbial Fuel Cell (µMFC),” Micromachines MDPI, Vol. 11, 703 2020. 
  20. A. C. Atik, M. Özkan, E. Özgür, H. Külah, and E. Yıldırım, ”Modeling and Fabrication of Electrostatically Actuated Diaphragms for On-chip Valving of MEMS-Compatible Microfluidic Systems,” Journal of Micromechanics and Microengineering, Vol. 30, No: 11, 115001, 2020.
  21. D. Çetin, M. Aydın, E. Bat, and H. Külah, ”A Comparative Study nn EPCAM Antibody Immobilization on Gold Surfaces and Microfluidic Channels for The Detection of Circulating Tumour Cells,” Colloids and Surfaces B: Biointerfaces, Vol. 188, 110808, April 2020.
  22. Z. Çağlayan, Y. Demircan Yalçın, and H. Külah, “Examination of the Dielectrophoretic (DEP) Spectra of MCF7 Breast Cancer Cells and Leukocytes,” Electrophoresis, Vol. 41, pp. 345-352, March 2020.
  23. S. Chamanian, A. Muhtaroğlu, and H. Külah, “A Self-adapting Synchronized-switch Interface Circuit for Piezoelectric Energy Harvesters,” IEEE Transactions on Power Electronics, Vol. 35 No. 1, pp. 901-912, January 2020.
  24. H. Uluşan, A. Muhtaroğlu, and H. Külah, “A Sub-500 µW Interface Electronics for Bionic Ears,” IEEE Access, Vol. 7, pp. 132140-132152, July 2019. 
  25. Y. Demircan, S. Sukas, T. Töral, U. Gündüz, H. Külah, “Exploring the Relationship Between Cytoplasmic Ion Content Variation and Multidrug Resistance in Cancer Cells via Ion-Release Based Impedance Spectroscopy,” Sensors and Actuators: B Chemical, Vol. 290, pp. 180-187, July 2019.
  26. S. Chamanian, B. Çiftci, H. Uluşan, A. Muhtaroğlu, and H. Külah, “Power-Efficient Hybrid Energy Harvesting System for Harnessing Ambient Vibrations,” IEEE Transactions on Circuits and Systems (TCAS) – I, Vol. 66, No. 7, pp. 2784-2793, July 2019.
  27. H. Uluşan, S. Chamanian, B. İlik, A. Muhtaroğlu, and H. Külah, “Fully-Implantable Cochlear Implant Interface Electronics with 51.2 μW Front-End Circuit,” IEEE Transactions on Very Large Scale Integration Systems, Vol. 27, No. 7, pp. 1504-1512, July 2019.
  28. S. Chamanian, S. Baghaee, H. Uluşan, Ö. Zorlu, E. Uysal-Bıyıkoğlu, and H. Külah, “Implementation of Energy-Neutral Operation on Vibration Energy Harvesting WSN,” IEEE Sensors, Vol. 19, No. 8, pp. 3092-3099, April 2019.
  29. S. Chamanian, H. Uluşan, A. Koyuncuoğlu, A. Muhtaroğlu, and H. Külah, “An Adaptable Interface Circuit with Multi-Stage Energy Extraction for Low Power Piezoelectric Energy Harvesting MEMS,” IEEE Transactions on Power Electronics, Vol. 34, No. 3, pp. 2739-2747, March 2019.
  30. B. İlik, A. Koyuncuoğlu, Ö. Sardan-Sukas, and H. Külah, “Thin Film Piezoelectric Acoustic Transducer for Fully Implantable Cochlear Implants,” Sensors and Actuators A: Physical, Vol. 280, pp. 38-46, September 2018.
  31. H. C. Ateş, E. Özgür, and H. Külah, “Comparative Study on Antibody Immobilization Strategies for Efficient Circulating Tumor Cell Capture,” Biointerphases, Vol. 13, No. 2, 021001, March 2018.
  32. E. Aydın, M. Kangül, F. Gökçe, Ö. Zorlu, and H. Külah, “A Second Harmonic Based Resonance Characterization Method for MEMS Electrostatic Resonators,” Sensors and Actuators A: Physical, vol. 274, pp. 220-230, 2018.
  33. O. Yaşar, H. Uluşan, Ö. Zorlu, and H. Külah, “Optimization of AA-Battery Sized Electromagnetic Energy Harvesters: Reducing the Resonance Frequency Using a Non Magnetic Inertial Mass,” IEEE Sensors, Vol. 18, No. 11, pp. 4509- 4516, June 2018.
  34. H. Uluşan, S. Chamanian, W. P. M. R. Pathirana, Ö. Zorlu, A. Muhtaroğlu, and H. Külah, “A Triple Hybrid Micropower Generator with Simultaneous Multi-Mode Energy Harvesting,” IoP Smart Materials and Structures, Vol. 27, No. 1, 014002, January 2018.
  35. M. Kangül, E. Aydın, F. Gökçe, Ö. Zorlu, H. Külah, “Analysis and Elimination of the Capacitive Feedthrough Current on Electrostatically Actuated and Sensed Resonance Based MEMS Sensors,” IEEE Journal of Microelectromechanical Systems, Vol. 26, No. 6, pp. 1272-1278, December 2017.
  36. K. Gharehbaghi, F. Koçer, and H. Külah, “Optimization of Threshold Self-Compensated UHF Rectifiers with Charge Conservation Principle,” IEEE Transactions on Circuits and Systems I: TCAS-I, Vol. 64, No. 9, pp. 2380-2387, September 2017.
  37. H. Uluşan, Ö. Zorlu, A. Muhtaroğlu, and H. Külah, “A Highly Integrated 3 V Supply Electronics for Electromagnetic Energy Harvesters with Minimum 0.4 Vpeak Input,” IEEE Transactions on Industrial Electronics, Vol. 64, Issue 7, pp. 5460-5467, July 2017.
  38. K. Gharehbaghi, Ö. Zorlu, F. Koçer, and H. Külah, “Threshold Compensated UHF Rectifier with Local Self-Calibrator,” IEEE Microwave and Wireless Components Letters, Vol. 27, Issue 6, pp. 575-577, June 2017.,
  39. K. Gharehbaghi, Ö. Zorlu, F. Koçer, and H. Külah, “Modelling and Efficiency Optimisation of UHF Dickson Rectifiers,” IET Circuits, Devices & Systems, Vol. 10, Issue 6, pp. 504-413, November, 2016.
  40. S. Chamanian, H. Uluşan, Ö. Zorlu, S. Baghaee, E. Uysal-Bıyıkoğlu, H. Külah, “Wearable Batteryless Wireless Sensor Network with Electromagnetic Energy Harvesting System,” Sensors and Actuators A: Physical, Volume 249, Pages 77-84, October 2016.
  41. G. Bahrieh, M. Erdem, E. Özgür, U. Gündüz, and H. Külah, “Characterization of the Distribution of Rotational Torque on Electrorotation Chips with 3D Electrodes,” Electrophoresis, Vol. 36, Issue 15, pp. 1785-1794, August 2015.
  42. H. Uluşan, K. Gharehbaghi, Ö. Zorlu, A. Muhtaroğlu, and H. Külah, “A Fully-Integrated and Battery-Free Interface for Low Voltage Electromagnetic Energy Harvesters,” IEEE Transactions on Power Electronics, Vol. 30, No. 7, pp-3712-3719, July 2015.
  43. Y. Demircan, A. Koyuncuoğlu, M. Erdem, E. Özgür, U. Gündüz, H. Külah, “Label-free Detection of Multidrug Resistance in K562 Cells through Isolated 3D-Electrode Dielectrophoresis,” Electrophoresis, Vol. 36, pp. 1149-1157, May 2015.
  44. E. Erdil, K. Topallı, N. S. Esmaeilzad, Ö. Zorlu, H. Külah, and Ö.A. Çivi, “Reconfigurable Nested Ring-Split Ring Transmitarray Unit Cell Employing the Element Rotation Method by Microfluidics,” IEEE Transactions on Antennas & Propagation, Vol. 63, pp. 1163-1167, March 2015.
  45. Y. Adıgüzel and H. Külah, “Breath Sensors for Lung Cancer Diagnosis,” Biosensors and Bioelectronics, Vol. 65, pp. 121-138, March 2015.
  46. G. Bahrieh, M. Erdem, E. Özgür, U. Gündüz, and H. Külah, “Assesment of Effects of Multi Drug Resistance on Dielectric Properties of K562 Leukemic Cells Using Electrorotation,” RSC Advances, 4, pp. 44879-44887, 2014.
  47. S. Chamanian, S. Baghee, H. Uluşan, Ö. Zorlu, H. Külah, and E. Uysal-Bıyıkoğlu, “Powering-up Wireless Sensor Nodes Utilizing Rechargeable Battery and Electromagnetic Vibration Energy Harvesting System,” MDPI Energies, 7, Special Issue on “Green IT and IT for Smart Energy Savings”, pp. 6323-6339, 2014
  48. U. Sönmez, H. Külah, and T. Akın, “A ΣΔ Micro Accelerometer with 6 µg/√Hz Resolution and 130 dB Dynamic Range,” Analog Integrated Circuits and Signal Processing, Vol. 81, pp. 471-485, 2014.
  49. L. Beker, Ö. Zorlu and H. Külah, “A Parylene Coating Based Room Temperature Wafer-Level Attachment Method for MEMS Integration with Zero Applied Force,” Sensors and Actuators A, vol. 215, pp. 1-7, August 2014.
  50. J. Musayev, C. Altıner, Y. Adıgüzel, H. Külah, S. Eminoğlu, and T. Akın, “Capturing and Detection of MCF-7 Breast Cancer Cells with a CMOS Image Sensor,” Sensors and Actuators A, vol. 215, pp. 105-114, August 2014.
  51. H. Torul, H. Çiftci, F. Dudak, Y. Adıgüzel, H. Külah, İ. Boyacı, U. Tamer, “Glucose Determination Based on Two Component Self–Assembled Monolayer Functionalized Surface–Enhanced Raman Spectroscopy (SERS) Probe,” Analytical Methods, RSC, vol. 14, pp. 5097-5104, 2014.
  52. H. Ceylan Koydemir, H. Külah, A. Alp, A. H. Üner, G. Hasçelik and C. Özgen, “A Fully Microfabricated Electrochemical Sensor and Its Implementation for Detection of Methicillin Resistance in Staphylococcus aureus,” IEEE Sensors, Vol. 14, No. 6, pp. 1844-1851, June 2014.
  53. J. Musayev, Y. Adıgüzel, H. Külah, S. Eminoğlu, and T. Akın, “Label-free DNA Detection Using a Charge Sensitive CMOS Microarray Sensor Chip,” IEEE Sensors, Vol. 14, No. 5, pp. 1608-1616, May 2014.
  54. Y. Adıgüzel and H. Külah, “Studies on Visual Detection and Surface Modification Testing of Glass Microfiber Filter Paper Based Biosensor,” Biosensors and Bioelectronics, Vol. 54, pp. 27-34, April 2014,
  55. H. Ceylan Koydemir, H. Külah, C. Özgen, “Solvent Compatibility of Parylene C Film Layer,” IEEE Journal of MEMS, Vol. 23, No. 2, pp. 298-307, April 2014.
  56. Y. Demircan, E. Özgür, H. Külah, “Dielectrophoresis: Applications and Future Outlook in Point of Care,” Electrophoresis, Vol. 34, pp. 1008-1027, 2013.
  57. Ö. Zorlu and H. Külah, “A MEMS Energy Harvester for Generating Energy from Non-Resonant Environmental Vibrations,” Sensors and Actuators A, vol. 202, pp. 124-134, November 2013.
  58. M. Pakdemir, D. Ertürkan, H. Külah, İ. Boyacı, C. Özgen, U. Tamer, “Ultrasensitive and Selective Homogeneous Sandwich Immunoassay Detection by Surface Enhanced Raman Scattering (SERS),” Analyst, RSC, Vol. 137(1), pp. 202-8, 2012.
  59. Y. Adıgüzel and H. Külah, “CMOS Cell Sensors for Point-of-Care Diagnostics,” MDPI Sensors, Vol. 12, No. 8, pp. 10042-10066; 2012.
  60. E. Yıldırım, S. Arıkan, and H. Külah, “A Normally-Closed Electrostatic Parylene Microvalve for Micro Total Analysis Systems,” Sensors and Actuators A, vol. 181, pp. 81-86, July 2012.
  61. A. Rahimi, Ö. Zorlu, A. Muhtaroğlu, and H. Külah, “An Electromagnetic Energy Harvesting System for Low Frequency Applications with a Passive Interface ASIC in Standard CMOS,” Sensors and Actuators A, vol. 168, pp. 158-166, 2012.
  62. A. Rahimi, Ö. Zorlu, A. Muhtaroğlu, and H. Külah, “A Fully Self-Powered Electromagnetic Energy Harvesting System with Highly Efficient Dual Rail Output,” IEEE Sensors Journal, Vol. 12, No. 6. June 2012.
  63. E. Yıldırım and H. Külah, “Electrostatic Energy Harvesting by Droplet Based Multi-Phase Microfludics,” Microfluidics and Nanofluidics, Vol. 13, pp. 107-111, DOI 10.1007/s10404-012-0946-2, 2012
  64. A. Koyuncuoğlu, R. Jafari, T. Okutucu-Özyurt, and H. Külah, “Heat Transfer and Pressure Drop Experiments on CMOS Compatible Microchannel Heat Sinks for Monolithic Chip Cooling Applications,” International Journal of Thermal Sciences, Vol.56, pp. 77-85, June 2012.
  65. E. Yıldırım and H. Külah, “Analysis and Characterization of An Electrostatically Actuated In-Plane Parylene Microvalve,” Journal of Micromechanics and Microengineering, Institute of Physics Publishing, Vol. 21, No. 10, 105009, October 2011,
  66. H. Ceylan Koydemir, H. Külah, C. Özgen, A. Alp, G. Hasçelik, “MEMS Biosensors for Detection of Methicillin Resistant Staphylococcus aureus,” Biosensors and Bioelectronics, Vol. 29, No. 1, pp. 1-12, October 2011,
  67. D. Eroğlu and H. Külah, “Quality Factor Enhancement of Lateral Microresonators in Liquid Media by Hydrophobic Coating,” IEEE Journal of MEMS, Vol. 20, No. 5, pp. 1068-1070, October 2011, (doi: 10.1109/JMEMS.2011.2160936
  68. G. Yılmaz, A. T. Çiftlik, and H. Külah, “A MEMS-Based Spiral Channel Dielectrophoretic Chromatography System for Cytometry Applications,” BioTechnology Journal, Wiley, Vol. 6, pp. 185-194, February 2011, (doi: 10.1002/biot.201000204)
  69. Ö. Zorlu, E. T. Topal, and H. Külah, “A Vibration-Based Electromagnetic Energy Harvester Using Mechanical Frequency Up-Conversion Method,” IEEE Sensors Journal, Vol. 11, No. 2, pp. 481-488, February 2011, (doi: 10.1109/JSEN.2010.2059007)
  70. İ.E. Ocak, R. Kepenek, H. Külah, and T. Akin, “A High Performance Sigma-Delta Readout Circuitry for µg Resolution Microaccelerometers,” Analog Integrated Circuits and Signal Processing, Vol. 64, No. 2, pp.137-145, August 2010, (doi: 10.1007/s10470-009-9433-4)
  71. İ. Sarı, T. Balkan, and H. Külah, “An Electromagnetic Micro Power Generator for Low Frequency Environmental Vibrations Based on The Frequency Up-Conversıon Technique” IEEE Journal of MEMS, Vol. 19, No. 1, pp. 14-27, January 2010, (doi: 10.1109/JMEMS.2009.2037245)
  72. İ. Sarı, T. Balkan, and H. Külah, “An Electromagnetic Micro Energy Harvester Based on Array of Parylene Cantilevers,” Journal of Micromechanics and Microengineering, Institute of Physics Publishing, 105023, October 2009.
  73. S. Sukas, A. E. Erson, C. Sert, and H. Külah, “A Parylene Based Double-Channel Micro-Electrophoresis System for Rapid Mutation Detection via Heteroduplex Analysis,” Electrophoresis Journal, Wiley-Blackwell, Vol. 29, No. 18, pp. 3752-58, September 2008.
  74. İ. Sarı, T. Balkan, and H. Külah, “A Electromagnetic Micro Power Generator for for Wideband Environmental Vibrations,” Sensors and Actuators A, Vol. 145-146, pp. 405-413, August 2008. (doi:10.1016/j.sna.2007.11.021)
  75. H. Külah and K. Najafi, “Energy Scavenging from Low-Frequency Vibrations by Using Frequency Up-Conversion for Wireless Sensor Applications,” IEEE Sensors Journal, Vol.8, No.3, pp. 261-268, March 2008. (doi:10.1109/JSEN.2008.917125)
  76. H. Külah, J. Chae, N. Yazdi and K. Najafi, “Noise Analysis and Characterization of A Sigma-Delta Capacitive Silicon Micro-Accelerometers,” IEEE Journal of Solid-State Circuits Vol. 41, No. 2, pp. 352-361, February 2006.
  77. J. Chae, H. Külah and K. Najafi, “A Monolithic Three-Axis Micro-g Micromachined Silicon Capacitive Accelerometer,” IEEE Journal of MEMS, Vol. 14, No. 2, pp. 235-242, April 2005.
  78. J. Chae, H. Külah, and K. Najafi, “A CMOS Compatible High Aspect Ratio Silicon-on-Glass In-Plane Micro-Accelerometer,” Journal of Micromechanics and Microengineering, Institute of Physics Publishing, Vol. 15, No. 2, pp. 336-345, February 2005.
  79. J. Chae, H. Külah and K. Najafi, “An In-Plane High-Sensitivity, Low-Noise Micro-g Silicon Accelerometer with CMOS Readout Circuitry,” IEEE Journal of MEMS, Vol. 13, No. 4, pp. 628-635, August 2004.
  80. H. Külah and T. Akin, “A Current Mirroring Integration Based Readout Circuit for High Performance Infrared FPA Applications,” IEEE Transactions on Circuits and Sys. II, Analog and Dig. Signal Proc., Vol. 50, No. 4, pp. 181 -186, April 2003.
  81. T. Akin, Z. Olgun, O. Akar, and H. Külah, “An Integrated Thermopile Structure with High Responsivity Using Any Standard CMOS Technology,” Sensors and Actuators Journal A 66, pp. 218-224, April 1998.

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