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A Review of Hvac System Optimization and its Effects on Saving Total Energy Utilization of a Building
Research Output | Dar Al-hikmah Library | IIUM Only

The paper illustrates the review on the optimizations studies of HVAC systems based on three main methods – HVAC operational variables optimization, optimization of control parameters in HVAC system and parameter optimization in building models. For the HVAC system’s operational variables, the optimization process is based on the common and pre

Comparison of Boiling and Orbital Shaking Extraction of Vitamin B12 from Ulva Lactuca Using 2-level Factorial Design
Research Output | Dar Al-hikmah Library | IIUM Only

Vitamin B12 deficiency which is common in strict vegetarians, the elderly, and who are vulnerable to an autoimmune disorder that prevents its efficient uptake. Many algae are rich with B12, such as edible green macroalgae Ulva lactuta, that been reported higher in cobalamin, and the best bioavailability of the algae vitamin B12 is based on its type

The Promise of the Zebrafish Model for Parkinson’s Disease: Today’s Science and Tomorrow’s Treatment
Research Output | Dar Al-hikmah Library | IIUM Only

The second most prevalent neurodegenerative disorder in the elderly is Parkinson’s disease (PD). Its etiology is unclear and there are no available disease-modifying medicines. Therefore, more evidence is required concerning its pathogenesis. The use of the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) is the basis of most animal

An in Vitro Anticancer Activity Evaluation of Neolamarckia Cadamba (Roxb.) Bosser Leaves’ Extract and its Metabolite Profile
Research Output | Dar Al-hikmah Library | IIUM Only

The leaves of Neolamarckia cadamba (NC) (Roxb.) Bosser (family: Rubiaceae) aretraditionally used to treat breast cancer in Malaysia; however, this traditional claim is yet to be scientifically verified. Hence, this study was aimed to evaluate the anticancer effect of NC leaves’ ethanol extract against breast cancer cell line (MCF-7 cells) using a

Factors Affecting Malaysian English Language Teachers’ Understanding of Feedback
Research Output | Dar Al-hikmah Library | IIUM Only

Within the ESL classrooms, teachers’ written corrective feedback has always been under scrutiny as the inconclusive debate is still going on since the publication of Truscott’s (1996) article that sparked the debate. Moreover, research findings point to Malaysian students’ lacking writing skills which could be attributed to the teachers’ fa

Malaysian ESL Teachers’ Practice of Written Feedback on Students’ Writing
Research Output | Dar Al-hikmah Library | IIUM Only

Feedback to students’ writing plays an important role as a scaffolding technique to help the students to improve their writing skills. With the introduction of school-based assessment and the Common European Framework of Reference (CEFR) into the new Standards-based English Language Curriculum (SBELC), teachers are expected to adapt the process w

Mediating Role of Computer Experience in the Association Between mooc-Efficacy and Meaningful Learning
Research Output | Dar Al-hikmah Library | IIUM Only

This study examines three critical constructs in twenty-first-century e-education—MOOC�efficacy, meaningful learning, and computing experience—among undergraduate students at selected public universities in Malaysia. Its primary purpose is to investigate the mediating function of computer experience in the link between MOOC-efficacy and meani

Recent Advances in Passive uhf-Rfid Tag Antenna Design for Improved Read Range in Product Packaging Applications: a Comprehensive Review
Research Output | Dar Al-hikmah Library | IIUM Only

Radio frequency identification (RFID) is a rapidly developing technology, and RFID sensors have become important components in many common technology applications. The passive ultra-high frequency (UHF) tags used in RFID sensors have a higher data transfer rate and longer read range and usually come in unique small and portable application designs.

Exploring whistle-Blowing Intention Among Employees in halal-Certified Food Companies
Research Output | Dar Al-hikmah Library | IIUM Only

Whistleblowing is one of the countermeasures proposed to reduce the vulnerability of the halal food supply chain. Despite the importance of whistleblowing as a monitoring mechanism, limited studies were conducted concerning whistleblowing intentions in the halal food sector. This research is proposed to fill the gap. The primary objective of this s

Remedies for Misrepresentations in Takaful Contract; Current Industry Practice in Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

Takaful is a contract whereby the participants commit to contribute an amount of money to a specified fund to mutually guarantee each other in the unprecedented event of misfortune and appoint a takaful operator to manage that fund. In takaful contract, the participants have the opportunity to mitigate or reduce any possible risks that they or thei

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