iKnow

Design and Modelling of an impedance-Based MEMS Biosensor
Research Output | Dar Al-hikmah Library | IIUM Only

This paper present the preliminary design of a micro-electromechanical system (MEMS) surface acoustic wave (SAW) resonator as a biosensor using COMSOL. The biosensor consists of a SAW resonator which utilizes mechanical acoustic waves as its sensing mechanism. The preliminary study was performed to verify the functionality and obtain the optimal de

Enhanced Electroforced Sedimentation of Various solid-Liquid Systems
Research Output | Dar Al-hikmah Library | IIUM Only

This study presents the results of experimental work carried out to evaluate the role of polyacrylamide as dewatering aid in electroforced sedimentation. Electroforced sedimentation experiments under constant electric current density of zinc oxide and kaolin suspended in aqueous media with and without polyacrylamide were carried out and comparison

Effect of Operating Conditions on Electroforced Sedimentation of Zinc Oxide
Research Output | Dar Al-hikmah Library | IIUM Only

Electroforced sedimentation experiments under constant electric current density of zinc oxide suspended in aqueous media were carried out and comparison is made between the experimental results and model predictions. The basic differential equation based on the model is solved analytically by assuming that both an electro-osmotic pressure gradient

The Objectives of Sharīʿah in Nomination for the Payment of Family Takaful Benefits
Research Output | Dar Al-hikmah Library | IIUM Only

A family takaful certificate is subscribed by a takaful participant for the purpose of preparing financial support for his dependants after his death. The takaful benefits could then be made payable to a nominee named as the beneficiary under conditional hibah (gift). In this respect, the participant is free to decide to whom the benefits are to be

Entry and Exit Points: Violent Extremism in south-East Asia
Research Output | Dar Al-hikmah Library | IIUM Only

Violent extremism remains a significant challenge for South-East Asia, but in no country does it pose an existential threat. In Indonesia, Malaysia, Myanmar, the Philippines and Thailand, governments have the capacity to prevent it, while at the same time they should understand that it is unlikely to disappear completely. Whether violent extremism

A Review on Introduced Cichla Spp. and Emerging Concerns
Research Output | Dar Al-hikmah Library | IIUM Only

Peacock bass (Cichla spp.) originates from the Neotropical environments of Brazil and Venezuela but, through trade and smuggling for aquarium keeping, sport fishing and aquaculture, it is now an emerging concern. Yet, less is known for Cichla spp. distribution and its ability to invade new environments. Aimed to communicate on Cichla spp. ecology,

Tribological Properties of Hybrid Composites Based on Woven Carbon Fiber/fine Kenaf Fabric Reinforced Epoxy Matrix for Automotive Application
Research Output | Dar Al-hikmah Library | IIUM Only

The demand for a combination of materials that satisfy the requirements of the world market has been exponentially growing in recent years. It is predicted that the upcoming years will guarantee a significant evolution of new classification of hybrid composite materials. The exploration of applicable alternatives to minimize the usage of synthetic

Estimating Households’ Marginal Benefit for Air Quality Improvement Options Using Choice Experimental Design: Evidence from Klang Valley, Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

This study aimed to estimate willingness to pay of households for air quality improvement and marginal benefits that household derived from the improved air- quality management plan in Klang Valley, Malaysia. A choice experiment study was administered to 300 households and the data was analysed using the multinomial logit model. It was found that n

Comparison of low-Pass Filters for Spect Imaging
Research Output | Dar Al-hikmah Library | IIUM Only

In single photon emission computed tomography (SPECT) imaging, the choice of a suitable filter and its parameters for noise reduction purposes is a big challenge. Adverse effects on image quality arise if an improper filter is selected. Filtered back projection (FBP) is the most popular technique for image reconstruction in SPECT. With this techniq

Influence of source-To-collimator Distance on Image Quality in Single Photon Emission Computed Tomography: a Phantom Study
Research Output | Dar Al-hikmah Library | IIUM Only

Introduction: Source-to-collimator distance is one of the physical factors that can affect the quality of images generated in Single Photon Emission Computed Tomography (SPECT). Therefore, this work investigated the effect of source-to-collimator distance on image quality in terms of uniformity, hot and cold regions contrast and signal-to-noise rat

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