Search Results - "Ahmed, Abdelaziz Yousif"

A Review of Actuation and Sensing Mechanisms in MEMS-Based Sensor Devices by Algamili, Abdullah Saleh, Khir, Mohd Haris Md, Dennis, John Ojur, Ahmed, Abdelaziz Yousif, Alabsi, Sami Sultan, Ba Hashwan, Saeed Salem, Junaid, Mohammed M.

“…Over the last couple of decades, the advancement in Microelectromechanical System (MEMS) devices is highly demanded for integrating the economically…”
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Fabrication and Characterization of a CMOS-MEMS Humidity Sensor by Dennis, John-Ojur, Ahmed, Abdelaziz-Yousif, Khir, Mohd-Haris

“…This paper reports on the fabrication and characterization of a Complementary Metal Oxide Semiconductor-Microelectromechanical System (CMOS-MEMS) device with…”
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Synthesis and characterisation of a ternary composite of polyaniline, reduced graphene-oxide and chitosan with reduced optical band gap and stable aqueous dispersibility by Usman, Fahad, Dennis, John Ojur, Seong, Khe Cheng, Yousif Ahmed, Abdelaziz, Meriaudeau, Fabrice, Ayodele, Olumide Bolarinwa, Tobi, Ayinla Ridwan, Rabih, Almur Abdelkarim S., Yar, Asfand

“…•Presents method of synthesising a ternary composites of p-toluene acid doped polyaniline (PANI), chitosan and reduced graphene-oxide (RGO)•Compares the…”
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A Review of Carbon Nanotubes Field Effect-Based Biosensors by Alabsi, S. S., Ahmed, Abdelaziz Yousif, Dennis, J. O., Khir, M. H. Md, Algamili, A. S.

“…Field effect-based biosensors (BioFETs) stand out among other biosensing technologies due to their unique features such as real time screening, ultrasensitive…”
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Recent Progress in the Development of Biosensors for Chemicals and Pesticides Detection by Ba Hashwan, Saeed S., Khir, Mohd Haris Bin Md, Al-Douri, Y., Ahmed, Abdelaziz Yousif

“…Chemicals and pesticides contamination in the food, drinking water, and environment ecosystem have become one of the most serious problems for human public…”
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Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide by Usman, Fahad, Dennis, John Ojur, Ahmed, Abdelaziz Yousif, Seong, Khe Cheng, Fen, Yap Wing, Sadrolhosseini, Amir Reza, Meriaudeau, Fabrice, Kumar, Pradeep, Ayodele, Olumide Bolarinwa

“…Para-Toluene sulfonic acid doped polyaniline (PANI), PANI/chitosan composites, PANI/reduced graphene-oxide composites and a ternary composite comprising of…”
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Dependence of the Optical Constant Parameters of p-Toluene Sulfonic Acid-Doped Polyaniline and Its Composites on Dispersion Solvents by Usman, Fahad, Dennis, John Ojur, Meriaudeau, Fabrice, Ahmed, Abdelaziz Yousif, Seong, Khe Cheng, Fen, Yap Wing, Sadrolhosseini, Amir Reza, Abdulkadir, Bashir Abubakar, Ayinla, Ridwan Tobi, Daniyal, Wan Mohd Ebtisyam Mustaqim Mohd, Omar, Nur Alia Sheh, Tamam, Nissren, Sulieman, Abdelmoneim

“…The optical constants of Para-Toluene sulfonic acid-doped polyaniline (PANI), PANIchitosan composites, PANI-reduced graphene-oxide composites and a ternary…”
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Enhanced Electrothermal Analysis for Acetone Gas Detection Based on PolyMUMPs MEMS Sensor by Algamili, Abdullah S., Abidin, Zmri Zainal, Khir, Mohd Haris Bin Md, Ahmed, Abdelaziz Yousif, Hashwan, Saeed S. Ba, Isyaku, Usman Bature, Al-Dhawi, Bakr Naser, Salem, Ali Ahmed

“…Environmental monitoring for the detection and regulation of toxic gases is of paramount importance. This study proposes the modeling and fabrication of MEMS…”
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Implementation of capacitance as simultaneous sensing and actuating tool in tapered microelectrode arrays for dielectrophoresis-on-a-chip application by Buyong, Muhamad Ramdzan, Larki, Farhad, Hakimi Zainal, Muhamad Ikhmal, Almahi, Abdelaziz Yousif Ahmed, Ismail, Ahmad Ghadafi, Hamzah, Azrul Azlan, Kayani, Aminuddin Ahmad Kayani, Caille, Céline Elie, Yeop Majlis, Burhanuddin

“…Purpose This paper aims to present the capacitance characterization of tapered dielectrophoresis (DEP) microelectrodes as micro-electro-mechanical system…”
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Modeling of the PolyMUMPs-Based MEMS Sensor for Application in Trace Gas Detection by Algamili, Abdullah Saleh, Khir, Mohd Haris, Ahmed, Abdelaziz Yousif, Al-Mahdi, Osamah Lutf, Ba-Hashwan, Saeed Salem, Alabsi, Sami Sultan

“…Gas detection sensor is crucial in many practical applications. However, numerous of the existing gas sensors still suffering from high power consumption,…”
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Characterization of embedded microheater of a CMOS–MEMS gravimetric sensor device by Dennis, John Ojur, Rabih, Almur A.S., Md Khir, Mohd Haris, Ahmed, Abdelaziz Yousif, Ahmed, Mawahib Gafare, Mian, Muhammad Umer

“…A CMOS–MEMS device for mass detection has been designed using 2008 CoventorWare software and fabricated using 0.35µm CMOS technology. This paper reports the…”
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Modelling and Simulation of Polysilicon Piezoresistors in CMOS-MEMS Resonator for Biomarker Detection in Exhaled Breath by Rabih, Almur, Dennis, John, Khir, Haris, Abdalrahman, Mawahib, Ahmed, Abdelaziz

“…This research studies longitudinal and transverse polysilicon resistors deposited in the maximum stress points of a CMOS-MEMS resonator for mass detection. The…”
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CMOS-MEMS resonator parametric variation analysis through equivalent circuit modeling by Mian, Muhammad Umer, Dennis, John Ojur, Khir, M. Haris M., Sutri, Nebyu Yonas, Ahmed, Abdelaziz Yousif, Tang, Tong Boon

“…In this paper, we report a micro electro mechanical system (MEMS) shuttle resonator fabricated on CMOS-MEMS wafer technique. The resonator operates at the…”
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Effects of frequency and voltage on the output of CMOS-MEMS device by Basuwaqi, A.M., Khir, M. H. Md, Ahmed, A. Y., Rabih, Almur. A. S., Mian, M. U., Dennis, J. O.

“…This research work focuses on performance analysis of a Complementary Metal Oxide Semiconductor-Microelectromechanical System (CMOS-MEMS) device which has been…”
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MetalMUMPs resonator for acetone vapor sensing by Rabih, Almur A. S., Khir, M. H. Md, Ahmed, Abdelaziz Yousif, Mian, Muhammad U., Dennis, J. O., Ahmed, Mawahib Gafare Abdalrahman, Abdulgadir, Al-Amin Idris

“…Acetone vapor monitoring is essential in workplace for human health and safety, where exposure to acetone concentration more than 176 parts per million (ppm)…”
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Design and modeling of MEMS resonator for magnetic field sensing using hybrid actuation technique by Ahmad, Farooq, Dennis, John Ojur, Hamid, Nor Hisham, Khir, Mohd Haris Md, Ahmed, Abdelaziz Yousif

“…A novel design of 0.751MHz MEMS resonant magnetic field sensor of mass 0.775pg based on hybrid actuation technique (Lorentz force and Electrostatic force) is…”
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Design, simulation, modeling and characterization of micromachined microcantilever using coventorware software by Ahmed, A Y, Dennis, J O, Mohamad Saad, Mohamad Naufal

“…Modeling and simulation of a microcantilever designed to achieve high resonant frequency on the sensing area is presented in this paper. Simple analytical…”
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Analytical modeling of mass-sensitive gas sensor based on MEMS resonator by Ahmed, A. Y., Dennis, J. O., Khir, M. H. M., Saad, M. N. M.

“…Modeling of a micromachined MEMS resonator for gas detection is presented in this paper. The principle of detection of the gaseous species is based on the…”
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Design and simulation of a high temperature MEMS micro-hotplate for application in trace gas detection by Ahmed, A.Y., Dennis, J.O., Saad, M.N.M., Talah, W.A.

“…In this paper, we present the simulation results of a high temperature MEMS micro-hotplate. The electro-thermo-mechanical behaviors of micro- hotplates (MHP)…”
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