All Outputs (97)

Yttrium doped phosphate-based glasses: structural and degradation analyses (2020)
Journal Article
Arafat, A., Samad, S. A., Titman, J. J., Lewis, A. L., Barney, E. R., & Ahmed, I. (2020). Yttrium doped phosphate-based glasses: structural and degradation analyses. Biomedical Glasses, 6(1), 34-49. https://doi.org/10.1515/bglass-2020-0004

This study investigates the role of yttrium in phosphate-based glasses in the system 45(P2O5)-25(CaO)-(30-x)(Na2O)-x(Y2O3) (0≤x≤5) prepared via melt quenching and focuses on their structural characterisation and degradation properties. The structural... Read More about Yttrium doped phosphate-based glasses: structural and degradation analyses.

Effect of varying the Mg with Ca content in highly porous phosphate-based glass microspheres (2020)
Journal Article
Islam, M. T., Macri-Pellizzeri, L., Hossain, K. M. Z., Sottile, V., & Ahmed, I. (2021). Effect of varying the Mg with Ca content in highly porous phosphate-based glass microspheres. Materials Science and Engineering: C, 120, Article 111668. https://doi.org/10.1016/j.msec.2020.111668

Natural ventilation is a low energy strategy used in many building types. Design approaches are mature but are dependent on variables with high uncertainty, such as the aerodynamic behaviour of purpose provided openings (PPOs), which need improved ch... Read More about Effect of varying the Mg with Ca content in highly porous phosphate-based glass microspheres.

Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings (2020)
Journal Article
Wadge, M. D., McGuire, J., Hanby, B. V., Felfel, R. M., Ahmed, I., & Grant, D. M. (2021). Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings. Journal of Magnesium and Alloys, 9(1), 336-350. https://doi.org/10.1016/j.jma.2020.07.001

A novel approach was developed to reduce the corrosion rate of magnesium (Mg) metal, utilising titanate coatings. Magnetron sputtering was used to deposit ca. 500 nm titanium (Ti) coatings onto pure Mg discs, followed by hydrothermal conversion and i... Read More about Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings.

Patient Perspectives on Use of Stem Cells to Treat Osteoporosis (2020)
Journal Article
Brown, H. I., Clutton-Brock, T., Walker, D., Sahota, O., Scammell, B. E., & Ahmed, I. (2020). Patient Perspectives on Use of Stem Cells to Treat Osteoporosis. Journal of Regenerative Medicine & Biology Research, 1(1), 1-20

Osteoporosis is a systemic skeletal disease leading to increased risk of fragility fractures. These fractures lead to significant patient morbidity, increased mortality and substantial health and social care costs. The use of stem cells for cell-base... Read More about Patient Perspectives on Use of Stem Cells to Treat Osteoporosis.

The Use of Biomaterials in Internal Radiation Therapy (2020)
Journal Article
Milborne, B., Arafat, A., Layfield, R., Thompson, A., & Ahmed, I. (2020). The Use of Biomaterials in Internal Radiation Therapy. Recent Progress in Materials, 2(2), Article 34. https://doi.org/10.21926/rpm.2002012

Radiotherapy has become one of the most prominent and effective modalities for cancer treatment and care. Ionising radiation, delivered either from external or internal sources, can be targeted to cancerous cells causing damage to DNA that can induce... Read More about The Use of Biomaterials in Internal Radiation Therapy.

Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility (2020)
Journal Article
Coe, S. C., Wadge, M. D., Felfel, R. M., Ahmed, I., Walker, G. S., Scotchford, C. A., & Grant, D. M. (2020). Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility. Coatings, 10(2), Article 190. https://doi.org/10.3390/coatings10020190

In recent years, it has been found that small weight percent additions of silicon to HA can be used to enhance the initial response between bone tissue and HA. A large amount of research has been concerned with bulk materials, however, only recently... Read More about Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility.

Evaluating the purification and activation of metal-organic frameworks from a technical and circular economy perspective (2020)
Journal Article
Woodliffe, J. L., Ferrari, R. S., Ahmed, I., & Laybourn, A. (2020). Evaluating the purification and activation of metal-organic frameworks from a technical and circular economy perspective. Coordination Chemistry Reviews, 428, Article 213578. https://doi.org/10.1016/j.ccr.2020.213578

Metal-organic frameworks (MOFs) are highly porous materials consisting of metal ions or clusters linked by organic molecules. The high value of MOFs arises from the amount of empty space within their structure (up to 90%) and their tuneable structure... Read More about Evaluating the purification and activation of metal-organic frameworks from a technical and circular economy perspective.

Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films (2020)
Journal Article
Wadge, M. D., Turgut, B., Murray, J. W., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (2020). Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films. Journal of Colloid and Interface Science, 566, 271-283. https://doi.org/10.1016/j.jcis.2020.01.073

© 2020 The Authors Titanate structures have been widely investigated as biomedical component surfaces due to their bioactive, osteoinductive and antibacterial properties. However, these surfaces are limited to Ti and its alloys, due to the nature of... Read More about Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films.

One-step fabrication of superhydrophobic P(VDF-co-HFP) nanofibre membranes using electrospinning technique (2019)
Journal Article
Tas, M., Xu, F., Ahmed, I., & Hou, X. (2020). One-step fabrication of superhydrophobic P(VDF-co-HFP) nanofibre membranes using electrospinning technique. Journal of Applied Polymer Science, 137(24), Article 48817. https://doi.org/10.1002/app.48817

© 2019 Wiley Periodicals, Inc. In this study, superhydrophobic electrospun P(VDF-co-HFP) membranes were fabricated in a one-step electrospinning process. The effects of the key parameters of electrospinning (solution concentration, electrical potenti... Read More about One-step fabrication of superhydrophobic P(VDF-co-HFP) nanofibre membranes using electrospinning technique.

Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses (2019)
Journal Article
Arafat, A., Samad, S. A., Wadge, M. D., Islam, M. T., Lewis, A. L., Barney, E. R., & Ahmed, I. (2020). Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses. International Journal of Applied Glass Science, 11(1), 120-133. https://doi.org/10.1111/ijag.14163

© 2019 The American Ceramic Society and Wiley Periodicals, Inc Yttrium-doped glasses have been utilized for biomedical applications such as radiotherapy, especially for liver cancer treatment. In this paper, the crystallization behavior of phosphate-... Read More about Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses.

Fish biowaste gelatin coated phosphate-glass fibres for wound-healing application (2019)
Journal Article
Sghayyar, H. N., Lim, S. S., Ahmed, I., Lai, J. Y., Cheong, X. Y., Chong, Z. W., …Loh, H. S. (2020). Fish biowaste gelatin coated phosphate-glass fibres for wound-healing application. European Polymer Journal, 122, Article 109386. https://doi.org/10.1016/j.eurpolymj.2019.109386

© 2019 Elsevier Ltd Inadequate wound management techniques can result in severe consequences for patients and are a major Health Economic burden worldwide. Currently, biosynthetic scaffolds for wound healing are of interest to address the shortcoming... Read More about Fish biowaste gelatin coated phosphate-glass fibres for wound-healing application.

Electrospun nanofibre membrane based transparent slippery liquid-infused porous surfaces with icephobic properties (2019)
Journal Article
Taş, M., Memon, H., Xu, F., Ahmed, I., & Hou, X. (2020). Electrospun nanofibre membrane based transparent slippery liquid-infused porous surfaces with icephobic properties. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 585, Article 124177. https://doi.org/10.1016/j.colsurfa.2019.124177

Icephobic surfaces have attracted increasing attention due to their wide ranging application areas from wind and solar energy systems to aviation. Slippery liquid-infused porous surfaces (SLIPS) are being explored for passive ice protection due to th... Read More about Electrospun nanofibre membrane based transparent slippery liquid-infused porous surfaces with icephobic properties.

Phosphate glass fibers facilitate proliferation and osteogenesis through Runx2 transcription in murine osteoblastic cells (2019)
Journal Article
Lin, X., Li, M., Chen, Q., Xiao, Y., Gao, Y., Ahmed, I., …Qian, A. (2020). Phosphate glass fibers facilitate proliferation and osteogenesis through Runx2 transcription in murine osteoblastic cells. Journal of Biomedical Materials Research Part A, 108(2), 316-326. https://doi.org/10.1002/jbm.a.36818

Cell-material interactions and compatibility are important aspects of bioactive materials for bone tissue engineering. Phosphate glass fiber (PGF) is an attractive inorganic filler with fibrous structure and tunable composition, which has been widely... Read More about Phosphate glass fibers facilitate proliferation and osteogenesis through Runx2 transcription in murine osteoblastic cells.

Formulating injectable pastes of porous calcium phosphate glass microspheres for bone regeneration applications (2019)
Journal Article
Matamoros-Veloza, A., Hossain, K. M. Z., Scammell, B. E., Ahmed, I., Hall, R., & Kapur, N. (2020). Formulating injectable pastes of porous calcium phosphate glass microspheres for bone regeneration applications. Journal of the Mechanical Behavior of Biomedical Materials, 102, Article 103489. https://doi.org/10.1016/j.jmbbm.2019.103489

Current trends in regenerative medicine treatments for bone repair applications focus on cell-based therapies. These aim to deliver the treatment via a minimally invasive injection to reduce patient trauma and to improve efficacy. This paper describe... Read More about Formulating injectable pastes of porous calcium phosphate glass microspheres for bone regeneration applications.

Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications (2019)
Journal Article
Wang, Y., Liu, X., Zhu, C., Parsons, A., Liu, J., Huang, S., …Sharmin, N. (2019). Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications. Journal of the Mechanical Behavior of Biomedical Materials, 99, 47-55. https://doi.org/10.1016/j.jmbbm.2019.07.017

This work presents manufacturing, processing and characterisation of the phosphate glass fibre (PGF) products for biomedical applications, including multifilament PGF strands, yarns and textiles, and PGF textile composites. The multifilament producti... Read More about Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications.

Live Simultaneous Monitoring of Mineral Deposition and Lipid Accumulation in Differentiating Stem Cells (2019)
Journal Article
De Melo, N., McGinlay, S., Markus, R., Macri-Pellizzeri, L., Symonds, M. E., Ahmed, I., & Sottile, V. (2019). Live Simultaneous Monitoring of Mineral Deposition and Lipid Accumulation in Differentiating Stem Cells. Biomimetics, 4(3), 1-10. https://doi.org/10.3390/biomimetics4030048

Mesenchymal stem cells (MSCs) are progenitors for bone-forming osteoblasts and lipid-storing adipocytes, two major lineages co-existing in bone marrow. When isolated in vitro, these stem cells recapitulate osteoblast or adipocyte formation if treated... Read More about Live Simultaneous Monitoring of Mineral Deposition and Lipid Accumulation in Differentiating Stem Cells.

The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses (2019)
Journal Article
Islam, M. T., Sharmin, N., Rance, G. A., Titman, J. J., Parsons, A. J., Hossain, K. M. Z., & Ahmed, I. (2020). The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 108(3), 674-686. https://doi.org/10.1002/jbm.b.34421

Varying formulations in the glass system of 40P2O5─(24 − x)MgO─(16 + x)CaO─(20 − y)Na2O─yTiO2 (where 0 ≤ x ≤ 22 and y = 0 or 1) were prepared via melt-quenching. The structure of the glasses was confirmed by X-ray diffraction (XRD), Fourier transform... Read More about The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses.

Effect of processing on microstructure, mechanical properties and dissolution behaviour in SBF of Bioglass (45S5) coatings deposited by Suspension High Velocity Oxy Fuel (SHVOF) thermal spray (2019)
Journal Article
Bano, S., Ahmed, I., Grant, D., Nommeots-Nomm, A., & Hussain, T. (2019). Effect of processing on microstructure, mechanical properties and dissolution behaviour in SBF of Bioglass (45S5) coatings deposited by Suspension High Velocity Oxy Fuel (SHVOF) thermal spray. Surface and Coatings Technology, 372, 229-238. https://doi.org/10.1016/j.surfcoat.2019.05.038

Glass microparticle‐ versus microsphere‐filled experimental dental adhesives (2019)
Journal Article
Abou Neel, E. A., Kiani, A., Valappil, S. P., Mordan, N. M., Baek, S., Zakir Hossain, K. M., …Knowles, J. C. (2019). Glass microparticle‐ versus microsphere‐filled experimental dental adhesives. Journal of Applied Polymer Science, 136(32), 1-11. https://doi.org/10.1002/app.47832

This study aimed to formulate antibacterial dental adhesives. Phosphate‐substituted methacrylate adhesives were modified with 0–20 wt % copper‐doped glass microparticles. Two shapes of microparticles were used: regular shaped (microspheres) and irreg... Read More about Glass microparticle‐ versus microsphere‐filled experimental dental adhesives.

Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model (2019)
Journal Article
McLaren, J. S., Macri-Pellizzeri, L., Zakir Hossain, K. M., Patel, U., Grant, D. M., Scammell, B. E., …Sottile, V. (2019). Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model. ACS Applied Materials and Interfaces, 11(17), 15436–15446. https://doi.org/10.1021/acsami.9b04603

Phosphate-based glasses (PBG) are bioactive and fully degradable materials with tailorable degradation rates. PBGs can be produced as porous microspheres through a single-step process, using changes in their formulation and geometry to produce varyin... Read More about Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model.