Research Repository

See what's under the surface


Structural, mechanical and swelling characteristics of 3D scaffolds from chitosan-agarose blends (2018)
Journal Article
Felfel, R. M., Gideon-Adeniyi, M. J., Hossain, K. M. Z., Roberts, G. A., & Grant, D. M. (2019). Structural, mechanical and swelling characteristics of 3D scaffolds from chitosan-agarose blends. Carbohydrate Polymers, 204, (59-67). doi:10.1016/j.carbpol.2018.10.002. ISSN 0144-8617

This study aimed to explore the correlation between mechanical and structural properties of chitosan-agarose blend (Ch-Agrs) scaffolds. Porosity of Ch-Agrs scaffolds was constant at 93%, whilst pore sizes varied between 150 and 550 μm. Pore sizes of... Read More

Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradation (2018)
Journal Article
Stuart, B. W., Murray, J. W., & Grant, D. M. (2018). Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradation. Scientific Reports, 8, doi:10.1038/s41598-018-32612-x. ISSN 2045-2322

Here we show a new and effective methodology for rapid/controllable porosification of thin-film ceramics, which may be applied, in medical devices/electronics and membrane nano-filtration. Dense hydroxyapatite applied to Ti6Al4V by plasma-assisted PV... Read More

Suspension high velocity oxy-fuel (SHVOF) spray of delta-theta alumina suspension: Phase transformation and tribology (2018)
Journal Article
Owoseni, T., Murray, J., Pala, Z., Lester, E., Grant, D., & Hussain, T. (2018). Suspension high velocity oxy-fuel (SHVOF) spray of delta-theta alumina suspension: Phase transformation and tribology. Surface and Coatings Technology, doi:10.1016/j.surfcoat.2018.08.047. ISSN 0257-8972

Suspension high-velocity oxy-fuel (SHVOF) thermal spray is an emerging spray technology that enables the processing of nanometric feedstock. Although SHVOF thermal sprayed alumina coatings prepared from alpha alumina feedstock have been widely report... Read More

Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering (2018)
Journal Article
Hanby, B. V., Stuart, B. W., Grant, C., Moffat, J., Blissett, J., Gerada, C., …Grant, D. M. (2018). Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering. Thin Solid Films, 662, (145-154). doi:10.1016/j.tsf.2018.07.004. ISSN 0040-6090

Alumina films (~2 μm thick) were deposited with a mixed Cu/Al interlayer onto copper. Direct current (DC)/Pulsed DC (PDC) magnetron sputtering techniques were independently compared for reactive alumina sputtering. In DC sputtered films, elemental al... Read More

Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes (2018)
Journal Article
Wadge, M. D., Stuart, B. W., Thomas, K. G., & Grant, D. M. (2018). Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes. Materials and Design, 155, doi:10.1016/j.matdes.2018.05.060. ISSN 0261-3069

Infection negation and biofilm prevention are necessary developments needed for implant materials. Furthermore, an increase in publications regarding gallium (Ga) as an antimicrobial ion has resulted in bacterial-inhibitory surfaces incorporating gal... Read More

Flexible and transparent films produced from cellulose nanowhisker reinforced agarose (2018)
Journal Article
Felfel, R. M., Hossain, K. M. Z., Kabir, S. F., Yee, S. L., Ahmed, I., & Grant, D. M. (2018). Flexible and transparent films produced from cellulose nanowhisker reinforced agarose. Carbohydrate Polymers, 194, doi:10.1016/j.carbpol.2018.04.005. ISSN 0144-8617

Transparent and flexible nanocomposite films with a range of Agarose to Cellulose Nano-Whisker (CNW) ratios were produced using never-dried CNWs. The incorporation of never-dried CNWs within Agarose played an important role in the surface roughness (... Read More

Gallium incorporation into phosphate based glasses: bulk and thin film properties (2018)
Journal Article
Stuart, B. W., Grant, C. A., Stan, G. E., Popa, A. C., Titman, J. J., & Grant, D. M. (2018). Gallium incorporation into phosphate based glasses: bulk and thin film properties. Journal of the Mechanical Behavior of Biomedical Materials, 82, doi:10.1016/j.jmbbm.2018.03.041. ISSN 1751-6161

The osteogenic ions Ca2+, P5+, Mg2+, and antimicrobial ion Ga3+ were homogenously dispersed into a 1.45 mum thick phosphate glass coating by plasma assisted sputtering onto CP grade titanium. The objective was to deliver therapeutic ions in orthopedi... Read More

Porous calcium phosphate glass microspheres for orthobiologic applications (2018)
Journal Article
Hossain, K. M. Z., Patel, U., Kennedy, A. R., Macri-Pellizzeri, L., Sottile, V., Grant, D. M., …Ahmed, I. (2018). Porous calcium phosphate glass microspheres for orthobiologic applications. Acta Biomaterialia, 72, doi:10.1016/j.actbio.2018.03.040. ISSN 1742-7061

Orthobiologics is a rapidly advancing field utilising cell-based therapies and biomaterials to enable the body to repair and regenerate musculoskeletal tissues. This paper reports on a cost-effective flame spheroidisation process for production of no... Read More

Live quantitative monitoring of mineral deposition in stem cells using tetracycline hydrochloride (2018)
Journal Article
Macri-Pellizzeri, L., De Melo, N., Ahmed, I., Grant, D. M., Scammell, B., & Sottile, V. (2018). Live quantitative monitoring of mineral deposition in stem cells using tetracycline hydrochloride. Tissue Engineering Part C Methods, 24(3), doi:10.1089/ten.TEC.2017.0400. ISSN 1937-3384

The final stage of in vitro osteogenic differentiation is characterized by the production of mineral deposits containing calcium cations and inorganic phosphates, which populate the extracellular matrix surrounding the cell monolayer. Conventional hi... Read More

Single solvent based film casting method for the production of porous polymer films (2018)
Journal Article
Hossain, K. M. Z., Felfel, R. M., Ogbilikana, P. S., Thakker, D., Grant, D. M., Scotchford, C., & Ahmed, I. (2018). Single solvent based film casting method for the production of porous polymer films. Macromolecular Materials and Engineering, 303, doi:10.1002/mame.201700628. ISSN 1438-7492

A single solvent based film casting process for fabricating porous polymer films was developed in this study. The porous film was produced by mixing concentrated polylactic acid/ chloroform solution (20 wt%) and fresh chloroform solvent followed by f... Read More

Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation (2017)
Journal Article
Gupta, D., Grant, D. M., Zakir Hossain, K. M., Ahmed, I., & Sottile, V. (2018). Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation. Journal of Biomaterials Applications, 32(7), doi:10.1177/0885328217745699. ISSN 0885-3282

Mesenchymal stem cells play a vital role in bone formation process by differentiating into osteoblasts, in a tissue that offers not a flat but a discontinuous three-dimensional (3D) topography in vivo. In order to understand how geometry may be affec... Read More

Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses (2017)
Journal Article
Stuart, B. W., Gimeno-Fabra, M., Segal, J., Ahmed, I., & Grant, D. M. (2017). Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses. Applied Surface Science, 416, doi:10.1016/j.apsusc.2017.04.110. ISSN 0169-4332

Here we show the deposition of 2.7 μm thick phosphate based glass films produced by magnetron sputtering, followed by post heat treatments at 500 °C. Variations in degradation properties pre and post heat treatment were attributed to the formation of... Read More

A three-electrode integrated photo-supercapacitor utilizing graphene-based intermediate bifunctional electrode (2017)
Journal Article
Lau, S., Lim, H. N., Ravoof, T., Yaacob, M., Grant, D., Mackenzie, R., …Huang, N. M. (2017). A three-electrode integrated photo-supercapacitor utilizing graphene-based intermediate bifunctional electrode. Electrochimica Acta, 238, 178-184. doi:10.1016/j.electacta.2017.04.003

A dye-sensitized solar cell (DSSC) employing a compact and mesoporous titania (TiO2) film as the anode was integrated with a symmetrical supercapacitor utilizing polypyrrole/reduced graphene oxide (PPy/rGO) electrodes to form a photo-supercapacitor.... Read More