Fauzan Khairi Che Harun

University of Technology Malaysia | UTM · Faculty of Electrical Engineering (FKE)

Collaborative online learning has become the new norm during this pandemic era. There are many challenges when moving from an offline, face-to-face program to an online program, especially in terms of tools that can be used for learning. Design thinking is a method of innovation widely used during the design process. However, the question is, how e...

This study aimed to develop students’ computational thinking skills by integrating Design Thinking with STEAM-PjBL. 41 students of a 10th-grade science class in SMAN 1 Rangkasbitung, Banten, Indonesia participated in the research. The study was conducted by utilizing various online platforms such as Zoom Meetings, Google Jamboard, and Edmodo. A qua...

The attention gate is often employed in various applications, such as recommender systems, to determine the correct context of the input data. Adopting the attention gate has been proven to improve prediction accuracy successfully. However, for a temporal sequence problem such as sensor-based Sign Language Recognition (SLR), it is still challenging...

According to World Health Organization (WHO), cardiovascular disease (CVD) is among the tenth of primary global cause of death in 2017. However, this problem could be alleviated via early detections, especially for patients with a history of heart-related problems. In addition, ECG monitoring could reduce the cause of CVD if diagnose earlier thus r...

This project seeks to foster students' critical thinking abilities through the incorporation of Design Thinking with STEAM-PjBL in a chemistry redox process. 41 grade 10 students from a high school in Rangkasbitung, Banten, Indonesia participated in this study. Learning was facilitated by using a variety of online platforms, including Edmodo, Googl...

The aim of this study is to investigate the potential implementation of the design thinking-STEAM-PjBL model to influence pre-service chemistry teachers' transferable skills. The design thinking process is integrated into an interdisciplinary curriculum STEAM (science, technology, engineering, arts, and mathematics) designed to engage pre-service c...

Drone technology is among the emerging technologies in the era of Industrial Revolution 4.0 (4IR). To accelerate the learning of drone technology, it should be introduced to young children at their early age, especially to spark their interest in drone technology as well as in Science, Technology, Engineering, and Mathematics (STEM) learning. There...

With the advancement of technology, there is an urgency to produce students equipped with the 21st Century skills to keep up with the Fourth Industrial Revolution. This is in line with the aspiration of the Malaysian government to develop holistic graduates and transform education as in the Malaysia Education Blueprint 2015-2025. Service learning p...

Future engineers shall not only good at knowledge and technology but also good at other attributes such ethical, professional as well as managing people and emotion. Service learning is an effective education model to develop more holistic engineers. However, there is a lack of service learning frame- work that integrates technology, in order to ac...

Sensing of bioelectrical potentials using a non-contact method remains promising for the long-term recording of heart biopotential signals. Recording electrocardiogram (ECG) in non-contact mode incorporates dielectric materials into capacitive bioelectrodes. Dielectrics have a strong influence on non-contact bioelectrodes because the coupling capac...

The purpose of this study was to engage university students from Malaysia, Thailand, and Indonesia in the Southeast Asia Mobility (SAM) program which aims to develop 21st century skills through multidisciplinary, project-based learning. The program was designed using different phases: design thinking was conducted in Malaysia, the implementation of...

The increasing demand of smart garment for monitoring people’s health is due to comfortability, lightweight and flexibility properties of the textile could offer to the user. The textile-based electrocardiography (ECG) electrode is an alternative of commercially available silver/silver chloride (Ag/AgCl) electrode which could cause skin allergies t...

This paper presents the fabrication of conducting polymer sensor which comprise of graphene-poly styrene-co-maleic acid (PSMA) composite that responds to volatile organic compound (VOC) via a change in the electrical resistance of the sensors. Five sensors composed of different material ratio were fabricated to find out the most prominent weight pe...

The aim of this study is to prove the capability of vinyl cutting technique to cut the conductive traces of electronic circuit layout which used a copper tape (Copper tape 1181 from 3M) on flexible substrate to replace the method of using nano-scale particle material. A wireless electrocardiography (ECG) circuit was integrated and fabricated on fle...

Sudden cardiac death (SCD) remains one of the top causes of high mortality rate. Early prediction of ventricular fibrillation (VF), and hence SCD, can improve the survival chance of a patient by enabling earlier treatment. Heart rate variability analysis (HRV) has been widely adopted by the researchers in VF prediction. Different combinations of fe...

The quality of Electrocardiography (ECG) signal is dependent on the electrode’s performance. Comfort and longterm monitoring are the main benefits of a dry and flexible electrode compared to conventional silver/silver chloride (Ag/AgCl) electrode. The main objective of this study is to develop high performance textile-based electrode by optimising...

In field-programmable gated array (FPGA) design platform, the device is invented into smaller scale instrument, such as a system-on-a-chip that is used for a specific application design. Not only that, the feasibility study of the natural frequency (ω) obtained from a second-order dynamic system (SODS) applied to an ECG signal was discovered recent...

This paper presents an electroencephalogram (EEG)-controlled system for a smart home that is intended to assist disabled and elderly people. The system consists of a NeuroSky MindWave EEG sensor that is paired with an Android application, which is developed to allow the user to control four home appliances. The Android application is paired with an...

In the development of electrocardiography (ECG) systems for long term monitoring, flexible circuit is often required. However, polymer-based circuits usually required more complex fabrication process and possess limited flexibility. In this study, flexible electro-conductive pattern using cotton fabric as the substrate is proposed. The purpose of t...

In this paper, a cotton fabric-based electrode was developed for electrocardiography (ECG) monitoring. In the current healthcare system, silver/silver chloride (Ag/AgCl) electrode is commercially used for ECG monitoring purposes. However, study found that the use of Ag/AgCl electrode has several disadvantages due to the presence of hydrogel. Hence,...

Graphene and SWCNT-based Ion Sensitive FET (ISFET) as a novel material with organic nature and ionic liquid gate is intrinsically sensitive to pH changes. pH is an important factor in enzymes stabilities which can affect the enzymatic reaction and broaden the number of enzyme applications. More accurate and consistent results of enzymes must be opt...

Because of unique electrical properties of graphene, it has been employed in many applications, such as batteries, energy storage devices and biosensors. In this chapter modelling of bilayer graphene nanoribbon (BGNR) sensor is in our focus. Based on the presented model BGNR quantum capacitance variation effect by the prostate specific antigen (PSA...

Carbon nanoscrolls (CNSs) with tubular structure similar to the open multiwall carbon nanotube have been of hot debate during recent years. Due to its unique property, Graphene Nanoscroll (GNS) have attracted many research groups’ attention and have been used by them. They specially studied on energy storage devices such as batteries and super capa...

Neuroimaging is a new technique used to create images of the structure and function of the nervous system in the human brain. Currently, it is crucial in scientific fields. Neuroimaging data are becoming of more interest among the circle of neuroimaging experts. Therefore, it is necessary to develop a large amount of neuroimaging tools. This paper...

In this paper, the use of infrared sensor installed in the model sensor device is presented. Infrared sensor measured distance of the model surface and the data are used to reconstruct the 3D image. The implementation of five sensors helps in reducing time for data collection, and blind spots can be minimized. The scanning device consists of IR sen...

This paper proposes the integration of electrochemical detection to micropumps for continuous monitoring of ferrocyanide ions. A homemade device is fabricated using 3D printing and casting techniques with a top and bottom layer of 0.5 mm and 3.0 mm, respectively. The volumetric flow and cyclic voltammetry performances of the device are evaluated at...

In this paper, new development of a sensor rig device with infrared sensors is used to reconstruct the 3D image of an object’s surfaces. Five sensors have been used to acquire data that measure distance from the object and sensors. A stepper motor controls the object rotation with 2 degrees per turn. A few objects such as tulip, curvilinear, flower...

The Silences of the Archives, the Reknown of the Story. The Martin Guerre affair has been told many times since Jean de Coras and Guillaume Lesueur published their stories in 1561. It is in many ways a perfect intrigue with uncanny resemblance, persuasive deception and a surprizing end when the two Martin stood face to face, memory to memory, befor...

Phototherapy is a form of treatment for skin conditions, using light sources which are regularly used to treat jaundice. Common light sources used in phototherapy systems include fluorescent lamp, halogen lamp, fibre optic and also light emitting diodes (LED). Currently, blue LEDs are found to be used in phototherapy devices due to its unique chara...

The paper describes a wireless health monitoring system, developed in LabVIEW, which is able to transmit and receive a patient's body signal wirelessly to an eZ430- Chronossport watch.Patient's vital body signal such as heart rate and percentage of oxygen saturation will be wirelessly transmitted to a programmable eZ430-Chronos watch to ease patien...

Currently, many heart rate monitors or HRM have been developed with numerical digital displays providing indications of target heart rate. Such displays do not provide for ease of reading under most conditions of use, particularly when the user is exercising vigorously. This paper presents a prototype of a bracelet-like HRM which responds to the pr...

Graphene is an attention-grabbing material in electronics, physics, chemistry, and even biology because of its unique properties such as high surface-area-to-volume ratio. Also, the ability of graphene-based materials to continuously tune charge carriers from holes to electrons makes them promising for biological applications, especially in lipid b...

Band gap as a fundamental electronic parameter has a key role in switching devices in the way that by controlling band gap, switching parameters can be controlled. Bilayer Graphene (BLG) with applied perpendicular electric field is a suitable material for supporting this idea. Perfect BLG is a gapless semiconductor, whereas band gap can be opened a...

The function of platelet is to control blood from excessive bleeding and has been used as an indicator of abnormal blood function or health disorders, such as in cases of the dengue fever. The platelet has an irregular shape and is relatively small compared to the red blood cells and the white blood cells. Problems have been reported regarding inco...

This special section of the Journal of Medical Imaging and Health Informatics (JMIHI) is produced from extended versions of the best papers presented at the International Conference on Health Biomechanics (ICHB) which was held in Universiti Teknologi Malaysia on 29th November-1st December 2012. The papers of this special section are the outcome of...

This paper demonstrates an automated PDMS based microfluidic droplet generator for cell counting purpose. The droplet system comprised of three processes, stream flow control, droplet stream detection and cell counting. Mobile phase (oil) and droplet stream (yeast mixture) were injected to the chip with two pressure driven peristaltic micropumps. T...

This paper describes the developments of Bio-MEMS using fabric as the structural components. The use of fabrics for Bio-MEMS construction significantly simplifies the conventional fabrication process. In this paper we proposed a new fabrication process for fabrics-based Bio-MEMS. In addition, to the simple and low-cost fabrication process, stamping...

Graphene has amazing carrier transport property and high sensitivity at the single molecule level which leads them as a promising material for batteries, energy storage, catalytic and biosensor applications. The quantum capacitance of different layer graphene is the a notable factor in the nano-electronic device modelling and characterization as a...

This paper describes the use of multiple Infrared sensors to reconstruct a shape by detecting any changes in sensor displacement when there is an obstacle placed in front of the sensor. Meanwhile, the distance between IR sensors and the obstacle was set at 5 cm to minimize the noise contributed by the reflection of the sensor during data collection...

Mono layer graphene (MLG) as a new kind of advanced material is in our focus. MLG indicates a two-dimensional structure with quantum confinement effect in its thickness. The MLG based nanomaterial has remarkable potential on electrochemical catalysis and bio-sensing applications. Recently inter sheet sensing systems for graphene sensor have been re...

Graphene nanoribbon (GNR) because of its unique electrical properties has been employed in many applications, such as batteries, energy storage devices and biosensors. In this paper modelling of bilayer graphene nanoribbon (BGNR) sensor is in our focus. Based on the presented model BGNR quantum capacitance variation effect by the PSA injected elect...

This study presents an analysis of 22 nm graphene nanoribbon field effect transistor (GNRFET) and 22 nm MOSFET 9-stage ring oscillator circuit. The effect of interconnect properties is assessed to see if the wire resistance or wire capacitance influence the circuit performance in 22 nm technology node for both GNRFET and MOSFET. We employed two typ...

Graphene become a gifted potential material to be applied in nanoelectronic devices and biosensor applications because its unique properties such as excellent carrier charge mobility and high stability. Compared to the carbon nanotubes (CNTs), illustrates many advantages such as, flexibility, transparent electrodes, low production cost and high sur...

Graphene Nanoribbon (GNR) has shown to have great advantages over conventional Silicon for the next generation of CMOS. In this paper, graphene nanoribbon field-effect transistor (GNRFET) is analytically modeled. To test its flexibility, the developed GNRFET model is then implemented in SPICE to evaluate its circuit level performance for different...

Graphene has attracted great interest because of unique properties such as high sensitivity, high mobility, and biocompatibility. It is also known as a superior candidate for pH sensing. Graphene-based ion-sensitive field-effect transistor (ISFET) is currently getting much attention as a novel material with organic nature and ionic liquid gate that...

Significant attention has been given on the development of droplets-based microfluidic system because of its potential and apparent advantages. Beside the advantages of reducing the sample volume, it's also offer less time consuming for the analysis. Optical and fluorescence among the famous method that was used in detection of droplets but they ar...

A wireless temperature monitoring system has been designed and fabricated for the monitoring of blood bank temperature. The protection of blood is done by labeling of blood components and stored at refrigerator temperature of 4°C. Therefore, it is important to monitor the temperature of blood bank to ensure the blood is stored properly to avoid the...

It is utmost to create a system at which can monitor and indicate the gas level exist in certain area, especially for hazardous gas, as early preparation and protection before something worst happen. The gas sensing and monitoring system composes of hardware and software elements. A spiral chamber which is simplified on chip, known as Lab-On-Chip (...

Students’ engagement is an essential factor that contributes to the achievement of educational learning outcomes in providing knowledge and skills to students. Factors that may influence students’ engagement can be categorized into individual perceived variable which includes personal characteristics and motivation and educational practices which i...

Accurately differentiating between ventricular fibrillation (VF) and ventricular tachycardia (VT) episodes is crucial in preventing potentially fatal misinterpretations. If VT is misinterpreted as VF, the patient will receive an unnecessary shock that could damage the heart; conversely, if VF is incorrectly interpreted as VT, the result will be lif...

In order to develop the new device characteristic such as graphene nanoribbon , carbon nanotube field effect transistor (CNTFET) and naonowire, it is essential to investigate the effect of quantum limit in nanoscale regime. The effect of quantum confinement on carrier drift velocity as an important parameter in a symmetrical distribution is in our...

Ventricular tachycardia (VT) and ventricular fibrillation (VF) are potentially life-threatening forms of cardiac arrhythmia. Fast and accurate detection of these conditions can save lives. We used semantic mining to characterize VT and VF episodes by extracting three significant parameters (frequency, damping coefficient and input signal) from elec...

In this study the authors report on the development of a new type of electronic nose (e-nose) instrument, which the authors refer to as the Portable electronic Mucosa (PeM) as a continuation of previous research. It is designed to mimic the human nose by taking significant biological features and replicating them electronically. The term electronic...

This paper presents the development of a portable electronic nose (e - Nose) based on a National Instrument data acquisition card and LabView. The study includes the design of e-Nose circuits that consist of different types of metal oxide semiconductor from FIGARO as gas sensors. The resistances of each gas sensor are measured through a constant cu...