Associate Professor IFTY AHMED's Outputs (11)

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.

Developing alkaline titanate surfaces for medical applications (2023)
Journal Article
Wadge, M. D., McGuire, J., Thomas, K. G., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (2023). Developing alkaline titanate surfaces for medical applications. International Materials Reviews, 68(6), 677-724. https://doi.org/10.1080/09506608.2022.2153217

Improving the surface of medical implants by plasma spraying of a hydroxyapatite coating can be of critical importance to their longevity and the patient’s convalescence. However, residual stresses, cracking, undesired crystallisation and delaminatio... Read More about Developing alkaline titanate surfaces for medical applications.

PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry (2023)
Preprint / Working Paper
Ali, H., Ahmed, I., Robertson, K., & Lanterna, A. PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry

Perylene diimides (PDI) have an extraordinary ability to activate both energy and electron transfer process upon light excitation, however, their extremely low solubility has hindered their wide use as photocatalysts. Here, we show a series of suppor... Read More about PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry.

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.

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. (in press). 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 ferro-magnetic 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.

Ferromagnetic Cytocompatible Glass-Ceramic Porous Microspheres for Magnetic Hyperthermia Applications (2023)
Journal Article
Molinar‐Díaz, J., Woodliffe, J. L., Milborne, B., Murrell, L., Islam, M. T., Steer, E., …Ahmed, I. (2023). Ferromagnetic Cytocompatible Glass-Ceramic Porous Microspheres for Magnetic Hyperthermia Applications. Advanced Materials Interfaces, 10(11), Article 2202089. https://doi.org/10.1002/admi.202202089

Highly porous, ferromagnetic glass-ceramic P40-Fe3O4 microspheres (125–212 µm) with enhanced cytocompatibility have been manufactured for the first time via a facile, rapid, single-stage flame spheroidization process. Dispersions of Fe3O4 and Ca2Fe2O... Read More about Ferromagnetic Cytocompatible Glass-Ceramic Porous Microspheres for Magnetic Hyperthermia Applications.