Amirul Al‐Ashraf Abdullah

Characterization and in situ Biodegradation Analysis of Brown Kraft Paper Coated with PHA for Potential Sustainable Packaging Open

Sevakumaran Vigneswari, Muhammad Idris, Siti Nor Syairah Anis, Seeram Ramakrishna, Amirul Al‐Ashraf Abdullah · 2025

Research background. Biodegradable packaging is gaining immense research interest as conventional non-biodegradable food packaging has led to significant environmental pollution. In response to this, this study aims to develop biodegradabl…

Green Synthesis and Characterization of Silver Nanoparticles Using Rice (Oryza sativa) and Spent Coffee (Coffea robusta) Grounds from Agricultural Waste Open

Nallusamy Nithiskanna, Nurul Affifah Mohd Kamal Rufadzil, Jasvini Bala Murally, Jing Zhi Liam, Nong Raynu Su Wan , et al. · 2025

Research background. Silver nanoparticles (AgNPs) were synthesised using agricultural waste and green synthesis, a sustainable alternative to traditional synthesis techniques that require hazardous chemicals and extensive processing. The A…

Management of metastatic colorectal cancer: consensus in the Gulf Cooperation Council countries Open

Bazarbashi Shouki, Ahmed Abdelsalam, Amirul Al‐Ashraf Abdullah, Alshammari Kanan, Amjad Ahmed , et al. · 2025

Colorectal cancer (CRC) represents a major public health challenge globally, particularly in the Gulf Cooperation Council (GCC) countries, where it is identified as the second most prevalent form of cancer. Despite advancements in manageme…

Isolation and Identification of P(3HB)-Degrading Bacteria from Malaysian Environment Open

Umber Zahra, Amirul Al‐Ashraf Abdullah, Ali Nawaz, Hamid Mukhtar · 2024

The aim of this study was to identify Poly(3-hydroxybutyrate) [P(3HB)] degrading bacterial strains in Penang Malaysia. Samples were collected from various locations in Penang. Five isolates (SMA-1, SMB-2, SMC-3, SMD-4, and SME-5) with high…

Development and physiochemical assessment of graphene-bioactive glass-P(3HB-<i>co</i>-4HB) composite scaffold as prospect biomaterial for wound healing Open

Mohd Aiman Hakimi Abdul Rahim, Siti Fatimah Samsurrijal, Amirul Al‐Ashraf Abdullah, Siti Noor Fazliah Mohd Noor · 2024

The clinical management of wounds presents a considerable challenge because dressing selection must prioritise the provision of appropriate barrier and the healing properties, consider patient’s compliance factors such as comfort, function…

The Development and Characterisation of a P(3HB-co-4HB)–Bioactive Glass–Graphene Hydrogel as a Potential Formulation for Biomedical and Therapeutical Translation Open

Nik Syahirah Aliaa Nik Sharifulden, Lady V. Barrios Silva, Sean P. Nair, Amirul Al‐Ashraf Abdullah, Siti Noor Fazliah Mohd Noor , et al. · 2024

The clinical management of wounds is known to be a significant challenge: not only does the dressing need to ensure and provide the appropriate barrier and healing characteristics, but consideration of patient compliance concerning comfort…

Advantages and Prospective Implications of Smart Materials in Tissue Engineering: Piezoelectric, Shape Memory, and Hydrogels Open

Keisheni Ganeson, C May, Amirul Al‐Ashraf Abdullah, Seeram Ramakrishna, Sevakumaran Vigneswari · 2023

Conventional biomaterial is frequently used in the biomedical sector for various therapies, imaging, treatment, and theranostic functions. However, their properties are fixed to meet certain applications. Smart materials respond in a contr…

UV–Vis Spectroscopic Trends of Liquid-exfoliated Graphite/ Graphene Nanoplatelets/Bioactive Glass Mixtures Open

Mohd Aiman Hakimi Abdul Rahim, Siti Fatimah Samsurrijal, Amirul Al‐Ashraf Abdullah, Siti Noor Fazliah Mohd Noor · 2023

Liquid-phase exfoliation of graphene using a suitable solvent is safe, although the sonication period needs further exploration, which may affect the exfoliation process. This study investigated graphene exfoliation in chloroform through U…

Microneedles for Efficient and Precise Drug Delivery in Cancer Therapy Open

Keisheni Ganeson, Ain Hafizah Alias, Vikneswaran Murugaiyah, Amirul Al‐Ashraf Abdullah, Seeram Ramakrishna , et al. · 2023

Cancer is the leading cause of death, acting as a global burden, severely impacting the patients’ quality of life and affecting the world economy despite the expansion of cumulative advances in oncology. The current conventional therapies …

Bioconversion of Used Transformer Oil into Polyhydroxyalkanoates by Acinetobacter sp. Strain AAAID-1.5 Open

Idris Shehu, Rashidah Abdul Rahim, Ahmad Nazri Saidin, Amirul Al‐Ashraf Abdullah · 2022

In this research, the utilisation of used transformer oil (UTO) as carbon feedstock for the production of polyhydroxyalkanoate (PHA) was targeted; with a view to reducing the environmental challenges associated with the disposal of the use…

Surface Modification of Sponge-like Porous Poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/Gelatine Blend Scaffolds for Potential Biomedical Applications Open

Mat Junoh Azuraini, Sevakumaran Vigneswari, Kai‐Hee Huong, Wan M. Khairul, H. P. S. Abdul Khalil , et al. · 2022

In this study, we described the preparation of sponge-like porous scaffolds that are feasible for medical applications. A porous structure provides a good microenvironment for cell attachment and proliferation. In this study, a biocompatib…

Bioprospecting and Molecular Identification of Used Transformer Oil-Degrading Bacteria for Bioplastics Production Open

Idris Shehu, Rashidah Abdul Rahim, Amirul Al‐Ashraf Abdullah · 2022

One of the major impediments to the commercialization of biodegradable plastic is the high cost of substrate. Consequently, there is a continuous search for effective microorganisms and cheaper carbon substrates to reduce the high producti…

Issue Information Open

Shah Ahmed, Ashwani Kumar Sonkar, N. Kishore, D. C. Jhariya, Filipe Selau Carlos , et al. · 2022

A Critical Review on the Economically Feasible and Sustainable Poly(3-Hydroxybutyrate-co-3-hydroxyvalerate) Production from Alkyl Alcohols Open

Hau Seung Jeremy Wong, Kesaven Bhubalan, Amirul Al‐Ashraf Abdullah · 2022

Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (P(3HB-co-3HV)) is the most studied short-chain-length polyhydroxyalkanoates (PHA) with high application importance in various fields. The domination of high-cost propionate and valerate over ot…

The Vibrio-predatory filamentous bacteria effectively removed acute hepatopancreatic necrosis disease (AHPND) causative Vibrio parahaemolyticus in vitro Open

Hao Ing Yeoh, Rosli Izzatty, Go Furusawa, Amirul Al‐Ashraf Abdullah, Alexander Chong Shu‐Chien , et al. · 2021

Physical, thermal, mechanical, antimicrobial and physicochemical properties of starch based film containing aloe vera: a review Open

Nuraina Hanim Mohd Nizam, Nurul Fazita Mohammad Rawi, Sitti Fatimah Mhd Ramle, Azniwati Abd Aziz, Amirul Al‐Ashraf Abdullah , et al. · 2021

Growing consumer awareness of the importance of environmentally friendly products has resulted in the development of a number of substitutes for synthetic polymers. The starch-based film is one of the best alternatives; it is a cost-effect…

Recent Advances in the Biosynthesis of Polyhydroxyalkanoates from Lignocellulosic Feedstocks Open

Sevakumaran Vigneswari, Muhammad Shahrul Md Noor, Tan Suet May Amelia, Karthnee Balakrishnan, Azila Adnan , et al. · 2021

Polyhydroxyalkanoates (PHA) are biodegradable polymers that are considered able to replace synthetic plastic because their biochemical characteristics are in some cases the same as other biodegradable polymers. However, due to the disadvan…

Surface Characterization and Physiochemical Evaluation of P(3HB-co-4HB)-Collagen Peptide Scaffolds with Silver Sulfadiazine as Antimicrobial Agent for Potential Infection-Resistance Biomaterial Open

Sevakumaran Vigneswari, Tana Poorani Gurusamy, Wan M. Khairul, H. P. S. Abdul Khalil, Seeram Ramakrishna , et al. · 2021

Poly(3-hydroxybutyrate-co-4-hydroxybutyrate) [P(3HB-co-4HB)] is a bacterial derived biopolymer widely known for its unique physical and mechanical properties to be used in biomedical application. In this study, antimicrobial agent silver s…

Functional Properties of Antimicrobial Neem Leaves Extract Based Macroalgae Biofilms for Potential Use as Active Dry Packaging Applications Open

Adeleke Abdulrahman Oyekanmi, U. Seeta Uthaya Kumar, H. P. S. Abdul Khalil, N. G. Olaiya, Amirul Al‐Ashraf Abdullah , et al. · 2021

Antimicrobial irradiated seaweed–neem biocomposite films were synthesized in this study. The storage functional properties of the films were investigated. Characterization of the prepared films was conducted using SEM, FT-IR, contact angle…

Properties and Interfacial Bonding Enhancement of Oil Palm Bio-Ash Nanoparticles Biocomposites Open

Amirul Al‐Ashraf Abdullah, Ismail Ismail, Nurul Fazita Mohammad Rawi, N. G. Olaiya, Halimatuddahliana Nasution , et al. · 2021

The effect of incorporating different loadings of oil palm bio-ash nanoparticles from agriculture waste on the properties of phenol-formaldehyde resin was investigated in this study. The bio-ash filler was used to enhance the performance o…

Insights into the Role of Biopolymer Aerogel Scaffolds in Tissue Engineering and Regenerative Medicine Open

Esam Bashir Yahya, Amirul Al‐Ashraf Abdullah, H. P. S. Abdul Khalil, N. G. Olaiya, Muhammad Omer Iqbal , et al. · 2021

The global transplantation market size was valued at USD 8.4 billion in 2020 and is expected to grow at a compound annual growth rate of 11.5% over the forecast period. The increasing demand for tissue transplantation has inspired research…

CCDC 2053662: Experimental Crystal Structure Determination Open

Umie F.M. Haziz, Rosenani A. Haque, Amirul Al‐Ashraf Abdullah, Mohd. R. Razali · 2021

CCDC 2053663: Experimental Crystal Structure Determination Open

Umie F.M. Haziz, Rosenani A. Haque, Amirul Al‐Ashraf Abdullah, Mohd. R. Razali · 2021

Transformation of Biowaste for Medical Applications: Incorporation of Biologically Derived Silver Nanoparticles as Antimicrobial Coating Open

Sevakumaran Vigneswari, Tan Suet May Amelia, Mohamad Hazari Hazwan, Govindan Kothandaraman Mouriya, Kesaven Bhubalan , et al. · 2021

Nanobiotechnology has undoubtedly influenced major breakthroughs in medical sciences. Application of nanosized materials has made it possible for researchers to investigate a broad spectrum of treatments for diseases with minimally invasiv…

The Role of Biopolymer-Based Materials in Obstetrics and Gynecology Applications: A Review Open

Fauziah Jummaat, Esam Bashir Yahya, H. P. S. Abdul Khalil, Azreen Syazril Adnan, Amaal Mohammed Alqadhi , et al. · 2021

Biopolymers have gained tremendous attention in many daily life applications, including medical applications, in the past few years. Obstetrics and gynecology are two fields dealing with sensitive parts of the woman’s body and her newborn …

P(3HB-<i>co</i>-4HB) as high value polyhydroxyalkanoate: its development over recent decades and current advances Open

Kai‐Hee Huong, Sevakumaran Vigneswari, Amirul Al‐Ashraf Abdullah · 2021

Polyhydroxyalkanoate (PHA) is a biogenic polymer that has the potential to substitute synthetic plastic in numerous applications. This is due to its unique attribute of being a biodegradable and biocompatible thermoplastic, achievable thro…

Surface-Modified Highly Biocompatible Bacterial-poly(3-hydroxybutyrate-co-4-hydroxybutyrate): A Review on the Promising Next-Generation Biomaterial Open

Jun Chai, Tan Suet May Amelia, Govindan Kothandaraman Mouriya, Kesaven Bhubalan, Amirul Al‐Ashraf Abdullah , et al. · 2020

Polyhydroxyalkanoates (PHAs) are bacteria derived bio-based polymers that are synthesised under limited conditions of nutritional elements with excess carbon sources. Among the members of PHAs, poly(3-hydroxybutyrate-co-4-hydroxybutyrate) …

Elucidation of Antimicrobial Silver Sulfadiazine (SSD) Blend/Poly(3-Hydroxybutyrate-co-4-Hydroxybutyrate) Immobilised with Collagen Peptide as Potential Biomaterial Open

Sevakumaran Vigneswari, Tana Poorani Gurusamy, H. P. S. Abdul Khalil, Seeram Ramakrishna, Amirul Al‐Ashraf Abdullah · 2020

The quest for a suitable biomaterial for medical application and tissue regeneration has resulted in the extensive research of surface functionalization of material. Poly(3-hydroxybutyrate-co-4-hydroxybutyrate) [P(3HB-co-4HB)] is a bacteri…

CCDC 2016398: Experimental Crystal Structure Determination Open

Umie F.M. Haziz, Rosenani A. Haque, Amirul Al‐Ashraf Abdullah, Mohd. R. Razali · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Properties of Macroalgae Biopolymer Films Reinforcement with Polysaccharide Microfibre Open

Samsul Rizal, Tze Kiat Lai, Umar Muksin, N. G. Olaiya, Amirul Al‐Ashraf Abdullah , et al. · 2020

Developing robust and biodegradable biopolymer films based on macroalgae is a challenging task because of its inadequate mechanical strength and poor moisture barrier attribute to its hydrophilic nature. A promising and sustainable approac…

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