All Outputs (60)

Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study (2024)
Journal Article
Wadge, M. D., Agyakwa, P. A., Felfel, R. M., Homer, R., Cooper, T. P., Kudrynskyi, Z. R., …Grant, D. M. (2024). Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study. Materials and Design, 240, Article 112835. https://doi.org/10.1016/j.matdes.2024.112835

This study details the novel self-assembly of sodium titanate converted Ti-based microspheres into hierarchical porous 3D constructs, with macro-, micro-, and nanoporosity, for the first time. Ti6Al4V microspheres were suspended into 5 M NaOH (60 °C/... Read More about Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study.

Development of samarium-doped phosphate glass microspheres for internal radiotheranostic applications (2024)
Journal Article
Arjuna, A., Milborne, B., Putra, A. R., Mulyaningsih, T. R., Setiawan, H., Islam, M. T., …Ahmed, I. (2024). Development of samarium-doped phosphate glass microspheres for internal radiotheranostic applications. International Journal of Pharmaceutics, 653, Article 123919. https://doi.org/10.1016/j.ijpharm.2024.123919

Internal radiotherapy delivers radioactive sources inside the body, near to or into malignant tumours, which may be particularly effective when malignancies are not responding to external beam radiotherapy. A pure beta emitter, 90Y, is currently used... Read More about Development of samarium-doped phosphate glass microspheres for internal radiotheranostic applications.

The Use of Microspheres for Cancer Embolization Therapy: Recent Advancements and Prospective (2024)
Journal Article
Nuzulia, N. A., Mart, T., Ahmed, I., & Sari, Y. W. (2024). The Use of Microspheres for Cancer Embolization Therapy: Recent Advancements and Prospective. ACS Biomaterials Science and Engineering, https://doi.org/10.1021/acsbiomaterials.3c00659

Embolization therapy involving biomaterials has improved the therapeutic strategy for most liver cancer treatments. Developing biomaterials as embolic agents has significantly improved patients’ survival rates. Various embolic agents are present in l... Read More about The Use of Microspheres for Cancer Embolization Therapy: Recent Advancements and Prospective.

In vitro immunomodulatory effect of solid versus porous phosphate-based glass microspheres using macrophages (2023)
Journal Article
Sheela, S., AlGhalban, F. M., Ahmed, I., & Abou Neel, E. A. (2023). In vitro immunomodulatory effect of solid versus porous phosphate-based glass microspheres using macrophages. Heliyon, 9(12), e23059. https://doi.org/10.1016/j.heliyon.2023.e23059

This study aimed to investigate the immunomodulatory effect of two different forms of phosphate-based glass microspheres (solid and porous), on human macrophages. Human THP-1 monocytes were converted to M0 macrophages after being treated with 100 ng/... Read More about In vitro immunomodulatory effect of solid versus porous phosphate-based glass microspheres using macrophages.

Rapid microwave synthesis of sustainable magnetic framework composites of UTSA-16(Zn) with Fe3O4 nanoparticles for efficient CO2 capture (2023)
Journal Article
Woodliffe, J. L., Johnston, A.-L., Fay, M., Ferrari, R., Gomes, R. L., Lester, E., …Laybourn, A. (2023). Rapid microwave synthesis of sustainable magnetic framework composites of UTSA-16(Zn) with Fe3O4 nanoparticles for efficient CO2 capture. Materials Advances, 4(11), 5838-5849. https://doi.org/10.1039/D3MA00351E

Metal-organic frameworks (MOFs) have shown excellent potential for carbon dioxide capture applications due to their high sorption capacities and selectivities. However, MOFs are typically thermally insulating, and so thermal CO2 regeneration is chall... Read More about Rapid microwave synthesis of sustainable magnetic framework composites of UTSA-16(Zn) with Fe3O4 nanoparticles for efficient CO2 capture.

Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites (2023)
Journal Article
Woodliffe, J. L., Molinar-Díaz, J., Islam, M. T., Stevens, L. A., Wadge, M. D., Rance, G. A., …Laybourn, A. (2023). Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites. Journal of Materials Chemistry A, 11(27), 14705-14719. https://doi.org/10.1039/D3TA01927F

Magnetic framework composites (MFCs) are a highly interesting group of materials that contain both metal–organic frameworks (MOFs) and magnetic materials. Combining the unique benefits of MOFs (tuneable natures, high surface areas) with the advantage... Read More about Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites.

Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect (2023)
Journal Article
Islam, M. T., Parsons, A. J., Nuzulia, N. A., Sari, Y. W., Ren, H., Booth, J., & Ahmed, I. (2023). Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect. Journal of Non-Crystalline Solids, 614, Article 122393. https://doi.org/10.1016/j.jnoncrysol.2023.122393

This study investigated the influence of flame spheroidisation process parameters for successfully manufacturing solid (dense) and highly porous microspheres from Food and Drug Administration approved bioactive 45S5 glass and 45S5 with addition of vi... Read More about Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect.

Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes (2023)
Journal Article
Wadge, M. D., Lowther, M., Cooper, T. P., Reynolds, W. J., Speidel, A., Carter, L. N., …Cox, S. C. (2023). Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes. Journal of Materials Processing Technology, 317, Article 117985. https://doi.org/10.1016/j.jmatprotec.2023.117985

Processing of highly reflective and high thermally conductive materials (Cu, Ag, etc.) by laser powder bed fusion (LPBF) is of increasing interest to broaden the range of materials that can be additively manufactured. However, these alloys are challe... Read More about Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes.

Optimisation of the Flame Spheroidisation Process for the Rapid Manufacture of Fe3O4-Based Porous and Dense Microspheres (2023)
Journal Article
Molinar-Díaz, J., Woodliffe, J. L., Steer, E., Morley, N. A., Brown, P. D., & Ahmed, I. (2023). Optimisation of the Flame Spheroidisation Process for the Rapid Manufacture of Fe3O4-Based Porous and Dense Microspheres. Molecules, 28(6), Article 2523. https://doi.org/10.3390/molecules28062523

The rapid, single-stage, flame-spheroidisation process, as applied to varying Fe3O4:CaCO3 powder combinations, provides for the rapid production of a mixture of dense and porous ferromagnetic microspheres with homogeneous composition, high levels of... Read More about Optimisation of the Flame Spheroidisation Process for the Rapid Manufacture of Fe3O4-Based Porous and Dense Microspheres.

Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy (2023)
Journal Article
Nigar, F., Johnston, A. L., Smith, J., Oakley, W., Islam, M. T., Felfel, R., …Ahmed, I. (2023). Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy. Materials, 16(6), Article 2138. https://doi.org/10.3390/ma16062138

Biowastes from agriculture, sewage, household wastes, and industries comprise promising resources to produce biomaterials while reducing adverse environmental effects. This study focused on utilising waste-derived materials (i.e., eggshells as a calc... Read More about Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy.

L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface (2022)
Journal Article
Tan, C., Rudd, C. D., Parsons, A. J., Sharmin, N., & Ahmed, I. (2022). L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface. Journal of the Mechanical Behavior of Biomedical Materials, 136, Article 105480. https://doi.org/10.1016/j.jmbbm.2022.105480

The levodopa (L-DOPA) has been reported as a promising adhesive for various materials. In this study, we utilized L-DOPA as an interfacial agent for phosphate glass fibre/polycaprolactone (PGF/PCL) composites, with the aim to enhance the interfacial... Read More about L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface.

Upcycling Glass Waste into Porous Microspheres for Wastewater Treatment Applications: Efficacy of Dye Removal (2022)
Journal Article
Samad, S. A., Arafat, A., Lester, E., & Ahmed, I. (2022). Upcycling Glass Waste into Porous Microspheres for Wastewater Treatment Applications: Efficacy of Dye Removal. Materials, 15(17), Article 5809. https://doi.org/10.3390/ma15175809

Each year about 7.6 million tons of waste glasses are landfilled without recycling, reclaiming or upcycling. Herein we have developed a solvent free upcycling method for recycled glass waste (RG) by remanufacturing it into porous recycled glass micro... Read More about Upcycling Glass Waste into Porous Microspheres for Wastewater Treatment Applications: Efficacy of Dye Removal.

Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts (2022)
Journal Article
Wingham, J. R., Ahmed, I., Islam, M. T., Shepherd, J., & Majewski, C. (2022). Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts. Frontiers in Biomaterials Science, 1, Article 929006. https://doi.org/10.3389/fbiom.2022.929006

Infectious disease is a major cause of death worldwide, and novel methods capable of controlling the spread of disease are in high demand. This research presents a method of producing antimicrobial microcomposites by exploiting the powder-based natur... Read More about Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts.

Developing Highly Porous Glass Microspheres via a Single-Stage Flame Spheroidisation Process (2022)
Journal Article
Nuzulia, N. A., Islam, T., Saputra, A., Sudiro, T., Timuda, G. E., Mart, T., …Ahmed, I. (2022). Developing Highly Porous Glass Microspheres via a Single-Stage Flame Spheroidisation Process. Journal of Physics: Conference Series, 2243(1), Article 012005. https://doi.org/10.1088/1742-6596/2243/1/012005

Glass microspheres are gaining attention in bone tissue engineering due to their ability to convert into hydroxyapatite-like materials, resembling the inorganic mineral of natural bone. The morphology of glass microspheres as starting material has be... Read More about Developing Highly Porous Glass Microspheres via a Single-Stage Flame Spheroidisation Process.

Evolution of silicate bioglass particles as porous microspheres with a view towards orthobiologics (2022)
Journal Article
Islam, M. T., Nuzulia, N. A., Macri-Pellizzeri, L., Nigar, F., Sari, Y. W., & Ahmed, I. (2022). Evolution of silicate bioglass particles as porous microspheres with a view towards orthobiologics. Journal of Biomaterials Applications, 36(8), 1427-1443. https://doi.org/10.1177/08853282211059294

Although FDA approved and clinically utilised, research on 45S5 Bioglass® and S53P4 including other bioactive glasses continues in order to advance their applicability for a range of alternate applications. For example, rendering these particles poro... Read More about Evolution of silicate bioglass particles as porous microspheres with a view towards orthobiologics.

Functionalised SiO2 modified icephobic nanocomposite electrospun membranes for outdoor electromagnetic shielding applications (2022)
Journal Article
Tas, M., Musa, U. G., Ahmed, I., Xu, F., Smartt, C., & Hou, X. (2022). Functionalised SiO2 modified icephobic nanocomposite electrospun membranes for outdoor electromagnetic shielding applications. Polymer, 240, Article 124499. https://doi.org/10.1016/j.polymer.2021.124499

Outdoor electronic equipment such as signal stations, radar units, and cellular base stations would benefit from electromagnetic interference (EMI) shielding systems, but ice accretion on the surface of these facilities often causes critical challeng... Read More about Functionalised SiO2 modified icephobic nanocomposite electrospun membranes for outdoor electromagnetic shielding applications.

Solution precursor thermal spraying of gadolinium zirconate for thermal barrier coating (2021)
Journal Article
Leng, K., Rincon Romero, A., Venturi, F., Ahmed, I., & Hussain, T. (2022). Solution precursor thermal spraying of gadolinium zirconate for thermal barrier coating. Journal of the European Ceramic Society, 42(4), 1594-1607. https://doi.org/10.1016/j.jeurceramsoc.2021.11.050

Gadolinium zirconate (GZ) is an attractive material for thermal barrier coatings (TBCs). However, a single layer GZ coating has poor thermal cycling life compared to Yttria Stabilized Zirconia (YSZ). In this study, Solution Precursor High Velocity Ox... Read More about Solution precursor thermal spraying of gadolinium zirconate for thermal barrier coating.

Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process (2021)
Journal Article
Bano, S., Rincon Romero, A., Islam, M. T., Grant, D. M., Ahmed, I., & Hussain, T. (2021). Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process. Journal of Thermal Spray Technology, 30(7), 1862-1874. https://doi.org/10.1007/s11666-021-01233-8

Phosphate based glasses (PBGs) are promising materials for biomedical applications due to their biocompatible and fully resorbable characteristics in aqueous environments. These glasses can be coated on to metal substrate via the technique of suspens... Read More about Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process.

Antibacterial Effect of Titanium Dioxide-Doped Phosphate Glass Microspheres Filled Total-Etch Dental Adhesive on S. mutans Biofilm (2021)
Journal Article
Neel, E. A. A., Hossain, K. M. Z., Abuelenain, D. A., Abuhaimed, T., Ahmed, I., Valappil, S. P., & Knowles, J. C. (2021). Antibacterial Effect of Titanium Dioxide-Doped Phosphate Glass Microspheres Filled Total-Etch Dental Adhesive on S. mutans Biofilm. International Journal of Adhesion and Adhesives, 108, Article 102886. https://doi.org/10.1016/j.ijadhadh.2021.102886

Purpose to improve the antibacterial action of a two-step total-etch dental adhesive by using titanium dioxide-doped phosphate glass microspheres (GMs) without affecting its penetration ability. Materials and Methods Five and 10 wt% of APTES sil... Read More about Antibacterial Effect of Titanium Dioxide-Doped Phosphate Glass Microspheres Filled Total-Etch Dental Adhesive on S. mutans Biofilm.

Rapid conversion of highly porous borate glass microspheres into hydroxyapatite (2021)
Journal Article
Islam, M. T., Macri-Pellizzeri, L., Sottile, V., & Ahmed, I. (2021). Rapid conversion of highly porous borate glass microspheres into hydroxyapatite. Biomaterials Science, 9(5), 1826-1844. https://doi.org/10.1039/d0bm01776k

This paper reports on the rapid development of porous hydroxyapatite (HA) microspheres with large external pores and fully interconnected porosity. These porous microspheres were produced by converting borates glasses (namely 45B5, B53P4 and 13-93B)... Read More about Rapid conversion of highly porous borate glass microspheres into hydroxyapatite.