List of Publications:

Patents:

[Px] Anas S. Mohammed and Yaqub Alhussain Mahnashi, ``Wideband Frequency to Voltage Converter," Filed, USPTO Application No. 18/581,218.  U.S. Patent and Trademark Office. February 19, 2024

[Px] Yaqub Alhussain Mahnashi, Khurram Karim Qureshi, Abdullah Ali Al-Shehri, Hussein Mahmoud Attia, System and Methods for Non-invasive Glucose Monitoring," Published. USPTO APPLICATION # 18/364,940. Feb 06, 2025.

[P3] Yaqub Alhussain Mahnashi, “Charge Pump With High Voltage Conversion Ratio,” Granted. US 8,866,542, U.S. Patent and Trademark Office, Jul 2025.

[P2] Md. Abdul Aziz, Syed Shaheen Shah, Yaqub Alhussain Mahnashi, Asymmetric Supercapacitor, Granted. US 8,866,542, U.S. Patent and Trademark Office, Apr 2025.

[P1] Yaqub Alhussain Mahnashi and H. Alzaher, “Low Frequency Filter for Biomedical Application,” Granted. US 8,866,542, U.S. Patent and Trademark Office, Oct 2014.

Journals: 

[Jx] Y. Mahnashi, A. Al-Khulaifi, and M. A. Al-Absi, ``Digital-based Approach to Design Efficient Cross Coupled Charge Pump for RF Energy Harvesting Applications: A new Perspective," under preparation.

[J13] Abdullah Abdulhameed, Mohd Mahadi Halim, Qasem Ahmed Drmosh, Y. Mahnashi, Wan Maryam Wan Ahmad Kamil, Atiqah Nabieha Azmi, "Tailoring the morphological, optical, electrical, and random lasing properties of ZnO nanorods synthesized on metal surfaces for biosensor applications", Optik, volume 315, 2024, ISSN 0030-4026, https://doi.org/10.1016/j.ijleo.2024.172044.

[Pre-Print] Ali Alhejab, Y. Mahnashi. A New Synthesis Method for Efficient Reconfigurable Switched-capacitor Converters. TechRxiv. February 22, 2024.

[J12] H. Attia, Y. Mahnashi, A. Qaid, N. Mohamed, and K. Qureshi, ''Near-Infrared Spectroscopy for Noninvasive Glucose Detection in Aqueous Solution," accepted, Results in Optics.

[J11] M. A. Al-Absi, A. Al-Khulaifi, and Y. Mahnashi, ``A New Highly Linear Current-to-Time Converter for Direct Sensing Applications,"  Arabian Journal for Science and Engineering, 2024.

[J10] A. Abdulhameed, I. Halin, Y. Mahnashi, and M. Buyong, "Parameters controlling the electrokinetic deposition of multi-walled carbon nanotubes as biosensing thin films", J Mater Sci: Mater Electron 35, 464, 2024. 

[J9] Y. Mahnashi, A. Al-Khulaifi, and M. A. Al-Absi, ``A New Wide Power Dynamic Range CMOS RF-to-DC Converter using Body-control Scheme, Arabian Journal for Science and Engineering. 48, no. 11, 2023. 

[J8] Aziz, M. A., Shah, S. S., Y. Mahnashi, Mahfoz, W., Alzahrani, A. S., Hakeem, A. S., Shaikh, M. N., A High-Energy Asymmetric Supercapacitor Based on Tomato-Leaf-Derived Hierarchical Porous Activated Carbon and Electrochemically Deposited Polyaniline Electrodes for Battery-Free Heart-Pulse-Rate Monitoring. Small. April 2023, 2300258.

[J7] Y. Mahnashi, ``A New Approach to Improve the Voltage Conversion Ratio in Topological Switched-capacitor DC-DC Converters Using Negator Stage," in IEEE Transactions on Circuits and Systems II, vol. 70, no. 4, pp. 1465-1469, April 2023.

[J6] Y. Mahnashi, K. K. Qureshi, A. A. Al-Shehri and H. Attia, "Design and Experimental Validation of a Noninvasive Glucose Monitoring System Using RF Antenna-Based Biosensor," in IEEE Sensors Journal, vol. 23, no. 3, pp. 2856-2864, Feb, 2023.

[J5] V. Subburaj, D. Jena, P. Perumal and Y. Mahnashi, "High Efficiency Two-phase Switched-capacitor Converter with Seven Distinct Negative Voltage Ratios for Power Saving Applications," International Journal of Electronics Letters, 8:3, 298-303, DOI: 10.1080/21681724.2019.1600728, April 2020.

[J4] Y. Mahnashi and F. Z. Peng,  ''A Monolithic Voltage-Scalable Fibonacci Switched-Capacitor DC–DC Converter With Intrinsic Parasitic Charge Recycling," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 27, no. 5, pp. 1105-1113, May 2019. [Q2. IF: 2.775]

[J3] Y. Mahnashi and F. Z. Peng, ''Generalization of the Fundamental Limit Theory in a Switched-Capacitor Converter," in IEEE Transactions on Power Electronics, Vol. 32, No. 9, 2017.[Q1. IF: 5.967]

[J2] H. Alzaher, N. Tasadduq and Y. Mahnashi, ``A Highly Linear Fully Integrated Powerline Filter for Biopotential Acquisition Systems," in IEEE Transactions on Biomedical Circuits and Systems, vol. 7, no. 5, pp. 703-712, Oct. 2013. [Q1. IF: 5.234]

[J1] Y. Mahnashi and H. Alzaher, ‘Applying the Difference Term Approach for Low Frequency Biomedical Filters”, Journal of Biosensors and Bioelectronics, special issue S11, June 2012.

Conferences:

[C18] A. Abdulhameed and Y. Mahnashi, M. Buyong, ``Impedance-based Biosensing System for Real-time Bacteria Detection in Drinking Water," Accepted for presentation in the  IEEE International Conference on Sensors and Nanotechnology (IEEE-SenNANO), Putrajaya, Malaysia, Sep 2025.

[C17] A. Abdulhameed and Y. Mahnashi, ``Fine Dust Particles Detection Based on ZnO Nanorods Grown on 3D-Printed Mesh," the 25th IEEE International Conference on Nanotechnology (IEEE-NANO), Washington, DC, USA, Jul 2025. (Oral Presentation based on Abstract only)

[C16] A. Al-Khulaqi, A. Abdulhameed, and Y. Mahnashi. Electrical Response of Bacteria Cells in Water as a Detection Mechanism. Proceedings of the BIODEVICES. pp. 143-148, Porto, Portugal, Feb 2025. 

[C15] A. Abdulhameed, Y. Mahnashi, M. Albsi, and Q. Drmosh, ``Investigation of Capacitive-based Dust Sensor with Nanowires Sensing Layer," Proceedings of the 11th International Conference on Electrical and Electronics Engineering (ICEEE 2024), Istanbul, Turkey, May 2024.

[C14] O. Alkhateeb, A. Abdulhameed, and Y. Mahnashi, ``Development of High-voltage Short-pulse Signal Generator for Ultrasonic Transducer Excitation," Proceedings of the 11th International Conference on Electrical and Electronics Engineering (ICEEE 2024), Istanbul, Turkey, May 2024.

[C13] Ibrahim Alkhalifa and Y. Mahnashi, ``A Fully-Differential Low-Noise Instrumentation Amplifier for Electrical Impedance Tomography," Proceedings of the International Conference on Microelectronics, Abu Dhabi, UAE, Dec 2023.

[C12] A. Mohammed and Y. Mahnashi, ``Frequency to Voltage Converter for Sinusoidal Signals Based on Filters Attenuation Band," Proceedings of the 10th International Conference on Electrical and Electronics Engineering (ICEEE 2023)}, Istanbul, Turkey, May 2023.

[C11] Y. Mahnashi, K. K. Qureshi, A. Al-Shehri and H. Attia, "Microwave-Based Technique for Measuring Glucose Levels in Aqueous Solutions," 2023 International Microwave and Antenna Symposium (IMAS), Cairo, Egypt, Feb. 2023.

[C10]  Y. Mahnashi, "Experimental Verification of the MIMO Fibonacci and Series-parallel Switched-capacitor Converters'', Proceedings of the 21st IEEE International Conference on Electronics, Information, and Communication (ICEIC), Jeju, South Korea, Feb 2022.

[C9] Abdulrahman Javaid, Asaad Al-Duais, and Y. Mahnashi, "Designing and Controlling Power Management Module for Electro-Dynamic Screens," Proceedings of the 4th IEEE International Conference on Renewable Energy and Power, Beijing, China, Oct 2021.

[C8] Y. Mahnashi and F. Z. Pang, ''Towards Monolithic DC-DC Converters," GEM-ASEE Doctoral Showcase, Washington DC, USA, Jan 2018. (NSF Student travel Award) (poster presentation only)

[C7]  Y. Mahnashi and F. Z. Peng, "Systematic Approach to Optimal SC Converter Synthesis for Multi Voltage-Gain-Ratio Applications, Proceedings of the Eighteenth IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, CA USA, Jul 2017.

[C6] Y. Mahnashi and F. Z. Pang, ''Variable Fibonacci Switched-Capacitor Converter Synthesis," MSU Engineering Research Symposium, East Lansing MI, Mar 2017. (poster presentation only)

[C5] Y. Mahnashi and F. Z. Peng, ``Smart Solar Cell: Concept and Design," MSU Engineering Research Symposium, East Lansing MI, Mar 2017. (Poster presentation only)

[C4] Y. Mahnashi, H. Alzaher and N. Tassaduq, "A Low Frequency Low Pass Filters based on R2R-Diffrence term combined Approach", IEEE International Conference on Technological Advances in Electrical and Computer Engineering, Konya, Turkey, May 2013.

[C3]  H. Alzaher, N. Tassaduq and Y. Mahnashi, "Enhansing Low Frequncey Operations of Active-Filters Employing R2R Networks", IEEE International Conference on Technological Advances in Electrical and Computer Engineering, Konya, Turkey, May 2013.

[C2] H. Alzaher, N. Tasadduq, and Y. Mahnashi, "An Integrated Active-RC Powerline Notch Filter for Biopotential Acquisition Devices." In BIODEVICES, pp. 65-70. 2012.

[C1] Y. Mahnashi and Hussain Alzaher, "Applying the Difference Term Approach for Low Frequency Biomedical Filter", International Conference on Biosensors and Bioelectronics, Las Vegas, USA, May 2012. (Poster presentation only)