A5013831715- Nanocomposite Films for Food Packaging
- Polysaccharides Composition and Applications
- Wound Healing and Treatments
- Electrospun Nanofibers in Biomedical Applications
- Hydrogels: synthesis, properties, applications
- Collagen: Extraction and Characterization
- TiO2 Photocatalysis and Solar Cells
- Polysaccharides and Plant Cell Walls
- Coconut Research and Applications
- Bee Products Chemical Analysis
- Natural Fiber Reinforced Composites
- Tendon Structure and Treatment
- Supercapacitor Materials and Fabrication
- Bone Tissue Engineering Materials
- Silk-based biomaterials and applications
- Nanoparticles: synthesis and applications
- Advanced Photocatalysis Techniques
- Carbon Nanotubes in Composites
- Polydiacetylene-based materials and applications
- Polymer composites and self-healing
- Nanomaterials for catalytic reactions
- Conducting polymers and applications
- Adsorption and biosorption for pollutant removal
- Polymer Surface Interaction Studies
- Diabetic Foot Ulcer Assessment and Management
Universiti Malaysia Terengganu
2016-2025
Universiti Malaysia Perlis
2017-2018
University of Wollongong
2011-2013
National University of Malaysia
2006-2007
This study investigates the mechanical reinforcement of chitosan with TiO2 and Ag nanoparticles, as well their water vapour transmission rates resistance behaviour. The properties were improved by addition or Ag, significant increases in Young’s modulus (from 25 MPa to ~300 MPa), tensile strength 6 18–35 MPa) toughness 1.3 J g−1 7–8 g−1). (368–413 g m−2 d−1) found be similar for both materials. Inclusion reduced 823% 1,000%), while inclusion yielded improvement 100%).
In this study, sodium montmorillonite (Na-MMT) was successfully modified by using n-hexadecyl trimethyl ammonium bromide (CTAB) via cationic exchange to obtain an organophilic-montmorillonite (CTAB-MMT). The Na-MMT, CTAB-MMT, and a commercial montmorillonite, that is, Cloisite15A were incorporated into gellan gum (GG) hydrogel their mechanical, physical, thermal properties, biocompatibility, antibacterial activities investigated. mechanical performance results show the GG hydrogels...
In this work, the effect of calcium chloride (CaCl2) at different concentrations and immersion duration on physical mechanical properties sodium alginate (SA) films was examined. The results show that swelling SA were decreased upon immersed in longer CaCl2 due to improved crosslink between carboxyl group (-COOH) ion (Ca2+) CaCl2. contrast, gel fractions increased immersions. performances film 0.8 M for 8 minutes exhibited highest tensile stress, strain Young's modulus 3.92 ± 0.3 MPa, 21.08...
This work reports the surface modification of 3D printed PLA scaffold with chitosan and its hydroxyapatite (HA) forming capability. was fabricated using a desktop printer followed by inclusion on via entrapment. Confocal laser scanning microscopy (CLSM) images showed existence entrapment depth 24 μm. Immersion modified in simulated body fluid resulted formation apatite layers surface. Plus method does not induce any cytotoxic response towards human fibroblast cell. provides facile approach...
We examined the potential of virgin coconut oil (VCO) incorporated in gellan gum (GG) films as a dressing material. Pure GG film is extremely brittle and inclusion 0.3% (w/w) VCO (GG-VCO3) improved toughness (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>T</mml:mi><mml:mo>≈</mml:mo><mml:mn>0.67</mml:mn><mml:mo>±</mml:mo><mml:mn>0.33</mml:mn></mml:math> J g −1 ) composite films. Swelling properties water vapor transmission rates GG-VCO decreased, whereas thermal...
In this study, the physical and mechanical properties of gellan gum (GG) films incorporated manuka honey were investigated. The result shown that by increasing content in GG film, swelling, gel fraction decreased. Gellan with highest concentration at 10% (GEL-H10) has lowest tensile strength Yong's modulus 0.91 ± 0.2 MPa 38.9 1.7 kPa, respectively compared to lower honey. water vapour transmission rate GEL-H10 was recorded 1145 175 g m-2d-1 which comparable commercial wound dressing product....
Abstract This study described the mechanical and thermal properties of hybrid bio‐composites from oil palm empty fruit bunch (EFB) fibers kaolinite. The polyurethane (PU) used as matrix is formed by reacting kernel (PKO)‐based polyester with crude isocyanate. blending ratio PU to EFB was fixed at 35 : 65 kaolinite added 0, 5, 10, 15, 20% (by weight). occurrence chemical interactions between hydroxyl terminals in both fillers system determined via FTIR spectroscopy. Hybrid showed improved...
Abstract The characterization of a polyelectrolyte complex material comprised two biopolymers, chitosan upper layer and gellan gum under layer, is reported. It shown that the with incorporated levofloxacin displays an antibacterial activity, while gum/TiO 2 composite supports growth fibroblastic cells. magnified image
Oriental Journal of Chemistry is a peer reviewed quarterly research journal pure and applied chemistry. It publishes standard papers in almost all thrust areas current chemistry academic commercial importance. provides platform for rapid publication quality papers, reviews letters. abstracted indexed reputed National International agencies.
A unique three-dimensional (3D) nanostructured gellan gum (GG) is fabricated by incorporating TiO2 nanoparticles (GG + TiO2NPs) scaffold freeze-drying. The GG TiO2NPs were characterized using Fourier transform infrared (FTIR), x-ray diffraction (XRD), and scanning electron microscopy (SEM) to study their physiochemical properties. FTIR was used investigate the intermolecular interactions in scaffolds. crystal structure determined bulk analysis XRD SEM for microstructure observation of...
Transdermal drug delivery systems (TDDS) have drawn more interest from pharmaceutical scientists because they could provide steady blood levels and prevent the first-pass metabolism over a longer period. Polyvinyl alcohol (PVA) has been widely used in this application due to its biocompatibility, non-toxicity, nanofiber hydrogel-forming ability. Despite those benefits, their morphology would easily be destroyed by continuous water absorption contribute burst release hydrophilicity. The aim...
In this study, functionalized-MWCNTs with 3-aminopropyltriethoxysilane (APTES) loaded titania nanoparticles (MWCNTs-APTES-TiO2) were prepared to investigate their physicochemical properties and photocatalytic activity for methyl orange (MO) degradation. The TiO2 nanoparticles, functionalized-MNCNT composite powders characterized by XRD, raman, TEM. results obtained proved that (TiO2) was successfully on APTES-MWCNTs. For application, MWCNTs-APTES-TiO2 composites used as photocatalyst...
A series of norfloxacin-loaded films were fabricated by combining with gellan gum (GG) using evaporative casting technique.The evaluated in terms morphological, water vapour transmission rates (WVTR), uptake, release study and antibacterial study.The prepared contained smooth appearance cross-section distributed good film materials.The results indicated that the swelling increased at higher concentration norfloxacin loaded, however decreased WVTR properties.All showed almost 100 % drug...
Abstract The effect of the blending ratio a polyurethane matrix and oil‐palm empty fruit bunch (EFB) fibers on mechanical properties biocomposite boards has been studied. PU EFB were used at ratios 25:75, 30:70 35:65 (by weight). property hardness was intention this study to produce fiberboard from vegetable oil‐based polyester as biomass palm oil industry, namely EFB. It found that with lower filler loading (35:65) gave higher impact flexural strengths due better fiber encapsulation which...