Luqman Chuah Abdullah
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View article: Dual Tuning Effect of Epoxy‐to‐Curing Agent Ratio and <scp>PKS</scp> ‐Based Activated Carbon Loading on the Mechanical and Self‐Healing Performance of Epoxy Vitrimer Composites
Dual Tuning Effect of Epoxy‐to‐Curing Agent Ratio and <span>PKS</span> ‐Based Activated Carbon Loading on the Mechanical and Self‐Healing Performance of Epoxy Vitrimer Composites Open
This study investigates the dual tuning of epoxy‐to‐curing agent ratios (1:1.4, 1:1.6, 1:1.8) and palm kernel shell (PKS) derived activated carbon loadings (0.5, 1.0, 1.5 wt%) to improve the thermal, mechanical, and self‐healing performanc…
View article: A review on the formulation and performance of epoxidized vegetable oil-based vitrimer: stoichiometric calculations, curing agent functionalities and catalyst efficiency
A review on the formulation and performance of epoxidized vegetable oil-based vitrimer: stoichiometric calculations, curing agent functionalities and catalyst efficiency Open
Vitrimers have emerged as an innovative class of polymeric materials that combine the robustness of thermosets with the reprocessability of thermoplastics through dynamic covalent bond exchange. While extensive research has focussed on the…
View article: <b>CORRELATION</b><b> </b><b>OF</b><b> </b><b>BODY</b><b> </b><b>MASS</b><b> </b><b>INDEX</b><b> </b><b>(BMI)</b><b> </b><b>AS</b><b> </b><b>A</b><b> </b><b>MODIFIABLE RISK FACTOR IN DIABETIC FOOT ULCER FORMATION.</b><b> </b><b>A VALIDATION STUDY</b>
<b>CORRELATION</b><b> </b><b>OF</b><b> </b><b>BODY</b><b> </b><b>MASS</b><b> </b><b>INDEX</b><b> </b><b>(BMI)</b><b> </b><b>AS</b><b> </b><b>A</b><b> </b><b>MODIFIABLE RISK FACTOR IN DIABETIC FOOT ULCER FORMATION.</b><b> </b><b>A VALIDATION STUDY</b> Open
Objectives: To analyze the effect of weight gain and obesity on the characteristics of diabetic foot ulcer along with associated complications and outcomes. Study Design: Analytical (Observational) Setting: Department of medicine/surgery, …
View article: Effect of Composite Technologies on the Mechanical Properties and Biodegradability of Agricultural Polymeric Materials
Effect of Composite Technologies on the Mechanical Properties and Biodegradability of Agricultural Polymeric Materials Open
Polymeric materials are widely applied in agriculture for purposes such as weed control, nutrient delivery, and the controlled release of pesticides and herbicides. However, their environmental impact, particularly from synthetic polymers …
View article: Valorization of oil palm empty fruit bunch (OPEFB) as membrane polymer via non-solvent induced phase separation method (NIPS) for removal of aqueous contaminants
Valorization of oil palm empty fruit bunch (OPEFB) as membrane polymer via non-solvent induced phase separation method (NIPS) for removal of aqueous contaminants Open
Oil palm empty fruit bunches (OPEFB) is byproducts from the palm oil processing mills currently discarded on field with less economic value. Meanwhile, it has a potential as precursor for cellulose feedstock as a membrane main polymer due …
View article: Toward Eco‐Friendly Fertilizers: Modulating Nutrient Release From Biopolyurethane Coatings by Adjusting Isocyanate Index and Polyol Percentage
Toward Eco‐Friendly Fertilizers: Modulating Nutrient Release From Biopolyurethane Coatings by Adjusting Isocyanate Index and Polyol Percentage Open
The global demand for sustainable agricultural practices necessitates the development of eco‐friendly slow‐release fertilizers (SRFs). This study investigates biopolyurethane‐coated urea (BPUC) as a promising SRF material, focusing on the …
View article: Extraction Process of O-Coumaric Acid from Gliricidia Sepium Leaves: Optimization and Kinetic Studies
Extraction Process of O-Coumaric Acid from Gliricidia Sepium Leaves: Optimization and Kinetic Studies Open
Extraction and product recovery are among the most significant processes for assessing valuable active chemicals from distinct plant sections. This study explores the potential of ultrasound-assisted extraction (UAE) method to optimize the…
View article: Additive Manufacturing via Direct Ink Writing of Customized Silicone Foam with Glycerol as Dispersed Phase for Diverse Applications
Additive Manufacturing via Direct Ink Writing of Customized Silicone Foam with Glycerol as Dispersed Phase for Diverse Applications Open
Direct ink writing (DIW) enables the additive manufacturing of silicone elastomers, offering an alternative to traditional moulding and casting methods for applications from healthcare products to machine–human interaction sensors. Polydim…
View article: Esterification of Kenaf Core Fiber as a Potential Adsorbent for Oil Removal from Palm Oil Mill Effluent (POME)
Esterification of Kenaf Core Fiber as a Potential Adsorbent for Oil Removal from Palm Oil Mill Effluent (POME) Open
Palm oil mill effluent (POME) is a major contributor to industrial oily wastewater in Malaysia, demanding effective treatment solutions. This study explores the potential of esterified kenaf core (EKC) fiber as an oil adsorbent for oil rem…
View article: Ḍawābiṭ Fiqhīyyah In Waqf And Its Application In Waqf Management
Ḍawābiṭ Fiqhīyyah In Waqf And Its Application In Waqf Management Open
Ḍawābiṭ Fiqhiyyah is a universal principle (kullī) that organizes specific issues within a single chapter of fiqh. Fiqh principles (qawāʿid fiqhiyyah) are comprehensive guidelines that encompass the components of various issues in Islamic …
View article: Additive Manufacturing via Direct Ink Writing of Customized Silicone Foam for Diverse Applications
Additive Manufacturing via Direct Ink Writing of Customized Silicone Foam for Diverse Applications Open
Direct ink writing (DIW) enables the additive manufacturing of silicone elastomers, offering an alternative to traditional moulding and casting methods for applications such as healthcare products to machine-human interaction sensors. Poly…
View article: Spatiotemporal Heterogeneity Of Air Pollutants and its Influencing Factors in Southwest China: Evidence from the Mountainous Megacity Level
Spatiotemporal Heterogeneity Of Air Pollutants and its Influencing Factors in Southwest China: Evidence from the Mountainous Megacity Level Open
View article: Assessment of the biological durability of oil palm trunk modified with 1,3-dimethylol-4,5-dihydroxy-ethyleneurea (DMDHEU) following subsequent curing at elevated temperatures
Assessment of the biological durability of oil palm trunk modified with 1,3-dimethylol-4,5-dihydroxy-ethyleneurea (DMDHEU) following subsequent curing at elevated temperatures Open
The biological durability of oil palm trunk modified with 1,3-dimethylol-4,5-dihydroxyethyleneurea (DMDHEU) was tested after subsequent curing at elevated temperatures. The resistance against mold, decay fungi, and subterranean termites wa…
View article: Molecular characterisation and histopathological analysis of canine distemper virus in a Malayan tiger (Panthera tigris jacksoni)
Molecular characterisation and histopathological analysis of canine distemper virus in a Malayan tiger (Panthera tigris jacksoni) Open
Background Canine distemper virus (CDV) has a broad host range, spanning carnivorous and non-carnivorous animals, often proving fatal. The detection of CDV in a Malayan tiger in Malaysia in 2019 marks the first such case in Malayan tigers,…
View article: Surface functionalization of oil palm empty fruit bunch (OPEFB)-derived cellulose as a carboxyl platform for metal cations and dyes removal from aquatic media
Surface functionalization of oil palm empty fruit bunch (OPEFB)-derived cellulose as a carboxyl platform for metal cations and dyes removal from aquatic media Open
The abundant oil palm empty fruit bunch (OPEFB) as by-product of palm oil milling processes exhibits a potential as an alternative cellulose feedstock for bio-adsorbent. This study aimed to produce a highly carboxylated bio-adsorbent for d…
View article: Combination of torrefaction and leaching treatments on the solid biofuel characteristics of fast-growing timbers species and oil palm biomass
Combination of torrefaction and leaching treatments on the solid biofuel characteristics of fast-growing timbers species and oil palm biomass Open
The potential of integrating acid acetic leaching and torrefaction processes was studied to create an enhanced solid biofuel from lignocellulosic biomass. The focus was on evaluating the impact of these combined methods on ash removal effi…
View article: Valorization of Oil Palm Empty Fruit Bunch (OPEFB) as Membrane Polymer via Non-solvent Induced Phase Separation Method (NIPS) for Removal of Aqueous Contaminants
Valorization of Oil Palm Empty Fruit Bunch (OPEFB) as Membrane Polymer via Non-solvent Induced Phase Separation Method (NIPS) for Removal of Aqueous Contaminants Open
Oil palm empty fruit bunches (OPEFB) is byproducts from the palm oil processing mills currently discarded on field with less economic value, while it has a potential as precursor for cellulose feedstock as main polymer of membranes as biod…
View article: WAKAF PERKHIDMATAN: PERSPEKTIF FIQH DAN CADANGAN PELAKSANAAN Service Waqf: Fiqh Perspectives and Recommendations on Implementation
WAKAF PERKHIDMATAN: PERSPEKTIF FIQH DAN CADANGAN PELAKSANAAN Service Waqf: Fiqh Perspectives and Recommendations on Implementation Open
Waqf is one of the Islamic philanthropies that can help improve the socio-economics of a society through humanitarian services and waqf is not limited to assets. In developing waqf property, the issue of manpower and management costs is a …
View article: Legal Protection for Ownership of Fiduciary Guarantee
Legal Protection for Ownership of Fiduciary Guarantee Open
View article: A Review of Bio-Based Activated Carbon Properties Produced from Different Activating Chemicals during Chemicals Activation Process on Biomass and Its Potential for Malaysia
A Review of Bio-Based Activated Carbon Properties Produced from Different Activating Chemicals during Chemicals Activation Process on Biomass and Its Potential for Malaysia Open
Activated carbon is the preferred adsorbent for gas and water treatment in various industry across the world due to its efficiency, reliability, and accessibility. Recently, in Malaysia, studies are mainly focused on the fabrication of act…
View article: Variation characteristics and coordinated emission reduction of air pollutants in megacity of Chengdu-Chongqing economic circle under dual carbon goal
Variation characteristics and coordinated emission reduction of air pollutants in megacity of Chengdu-Chongqing economic circle under dual carbon goal Open
The air pollution process and impact mechanism of megacities located in complex terrain are particularly complex. As a typical megacity in China, Chengdu has unique topographical and meteorological conditions, and its pollution control is …
View article: Two-stage anaerobic digestion using protein-rich synthetic wastewater inoculated with anaerobic sludge
Two-stage anaerobic digestion using protein-rich synthetic wastewater inoculated with anaerobic sludge Open
View article: Sequestration of diclofenac and amoxycillin pharmaceutical compounds by thiourea modified poly(acrylonitrile-co-acrylic acid): parametric optimisation, kinetic and isotherm studies
Sequestration of diclofenac and amoxycillin pharmaceutical compounds by thiourea modified poly(acrylonitrile-co-acrylic acid): parametric optimisation, kinetic and isotherm studies Open
It has been previously reported that thiourea modified poly(acrylonitrile-co-acrylic acid) (TMPAA) could successfully be employed as polymeric adsorbent for the sequestration of cationic dyes and nitro-phenol. In this research, parametric …
View article: Analysis of Environmental Stresses on the Mechanical Properties of Laminated Glass Composites: A Review of Experimental Results and Outlook
Analysis of Environmental Stresses on the Mechanical Properties of Laminated Glass Composites: A Review of Experimental Results and Outlook Open
Laminated glass composites are composed of two or more layers of glass and a thermoplastic elastomeric interlayer securely glued together in an autoclave at high temperature and pressure. This composite material which significantly enhance…
View article: Re-Envisioning Islamic Scholarship: Maqasid Methodology as A New Approach
Re-Envisioning Islamic Scholarship: Maqasid Methodology as A New Approach Open
Professor Jasser Auda’s work entitled Re-envisioning Islamic scholarship: Maqasid Methodology as a New Approach, published in 2022 is arguably one of the most innovative approaches in contemporary Islamic scholarship and, in my personal op…
View article: Preparation and Effect of Methyl-Oleate-Based Polyol on the Properties of Rigid Polyurethane Foams as Potential Thermal Insulation Material
Preparation and Effect of Methyl-Oleate-Based Polyol on the Properties of Rigid Polyurethane Foams as Potential Thermal Insulation Material Open
Recently, most of the commercial polyols used in the production of rigid polyurethane foams (RPUFs) have been derived from petrochemicals. Therefore, the introduction of modified palm oil derivatives-based polyol as a renewable material in…
View article: Declassifying Theory of Separation of Powers and its Inherent System of Checks and Balances: A Comparative Study
Declassifying Theory of Separation of Powers and its Inherent System of Checks and Balances: A Comparative Study Open
The main objective of this article is inspection of the development of the concept of separation of powers to highlight that the powers must not accumulate in one hand and they should be divided among the three main pillars of the state i.…
View article: Exploring Zakatable Wealth from Classical and Contemporary Scholars Perspectives
Exploring Zakatable Wealth from Classical and Contemporary Scholars Perspectives Open
Nowadays, there are many collective ijtihad by various internationally recognized Islamic organizations as well as individual fatwas of leading contemporary Muslim jurists have been undertaking the process of identifying modern wealth that…
View article: Long-Term Air Pollution Characteristics and Multi-scale Meteorological Factor Variability Analysis of Mega-mountain Cities in the Chengdu-Chongqing Economic Circle
Long-Term Air Pollution Characteristics and Multi-scale Meteorological Factor Variability Analysis of Mega-mountain Cities in the Chengdu-Chongqing Economic Circle Open
View article: Care of Forgiveness in the jurisprudence of Jihad
Care of Forgiveness in the jurisprudence of Jihad Open
Allah, the Blessed and Exalted be He, has prescribed a solid religion to His Worshippers and guided them on a straight path. This required that this religion has some of the characteristics and features that make it valid for every time an…