All Outputs (13)

Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche (2018)
Working Paper
Prina, E., Sidney, L., Tromayer, M., Moore, J., Liska, R., Bertolin, M., …Rose, F. R. Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche

Stem cells within epithelial tissues reside in anatomical structures known as crypts that are known to contribute to the mechanical and chemical milieu important for function. To date, epithelial stem cell therapies have largely ignored the niche and... Read More about Geometry alone influences stem cell differentiation in a precision 3D printed stem cell niche.

Reactive material jetting of polyimide insulators for complex circuit board design (2018)
Journal Article
Zhang, F., Saleh, E., Vaithilingam, J., Li, Y., Tuck, C., Hague, R., …He, Y. (2019). Reactive material jetting of polyimide insulators for complex circuit board design. Additive Manufacturing, 25, 477-484. https://doi.org/10.1016/j.addma.2018.11.017

Polyimides are a group of high performance thermal stable dielectric materials used in diverse applications. In this article, we synthesized and developed a high-performance polyimide precursor ink for a Material Jetting (MJ) process. The proposed in... Read More about Reactive material jetting of polyimide insulators for complex circuit board design.

Geometrical effects on residual stress in selective laser melting (2018)
Journal Article
Parry, L., Ashcroft, I., & Wildman, R. (2019). Geometrical effects on residual stress in selective laser melting. Additive Manufacturing, 25, 166-175. https://doi.org/10.1016/j.addma.2018.09.026

Selective laser melting is an increasingly attractive technology for the manufacture of complex and low volume / high value metal parts. However, the inevitable residual stresses that are generated can lead to defects or build failure. Due to the com... Read More about Geometrical effects on residual stress in selective laser melting.

Extrusion 3D printing of paracetamol tablets from a single formulation with tunable release profiles through control of tablet geometry (2018)
Journal Article
Khaled, S. A., Alexander, M. R., Irvine, D. J., Wildman, R. D., Wallace, M. J., Sharpe, S., …Roberts, C. J. (2018). Extrusion 3D printing of paracetamol tablets from a single formulation with tunable release profiles through control of tablet geometry. AAPS PharmSciTech, 19(8), 3403–3413. https://doi.org/10.1208/s12249-018-1107-z

An extrusion based 3D printer was used to fabricate paracetamol tablets with different geometries (mesh, ring, and solid) from a single paste-based formulation formed from standard pharmaceutical ingredients. The tablets demonstrate that tunable drug... Read More about Extrusion 3D printing of paracetamol tablets from a single formulation with tunable release profiles through control of tablet geometry.

Optimisation of substrate angles for multi-material and multi-functional inkjet printing (2018)
Journal Article
Vaithilingam, J., Saleh, E., Wildman, R. D., Hague, R. J., & Tuck, C. (2018). Optimisation of substrate angles for multi-material and multi-functional inkjet printing. Scientific Reports, 8, Article 9030. https://doi.org/10.1038/s41598-018-27311-6

Three dimensional inkjet printing of multiple materials for electronics applications are challenging due to the limited material availability, inconsistencies in layer thickness between dissimilar materials and the need to expose the printed tracks o... Read More about Optimisation of substrate angles for multi-material and multi-functional inkjet printing.

Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading (2018)
Journal Article
Maskery, I., Aremu, A., Parry, L., Wildman, R., Tuck, C., & Ashcroft, I. (2018). Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading. Materials and Design, 155, 220-232. https://doi.org/10.1016/j.matdes.2018.05.058

In this paper we present a numerical investigation into surface-based lattice structures with the aim of facilitating their design for additive manufacturing. We give the surface equations for these structures and show how they can be used to tailor... Read More about Effective design and simulation of surface-based lattice structures featuring volume fraction and cell type grading.

3D-printed components for quantum devices (2018)
Journal Article
Saint, R., Evans, W., Zhou, Y., Barrett, T. J., Fromhold, T., Saleh, E., …Krüger, P. (2018). 3D-printed components for quantum devices. Scientific Reports, 8, https://doi.org/10.1038/s41598-018-26455-9

Recent advances in the preparation, control and measurement of atomic gases have led to new insights into the quantum world and unprecedented metrological sensitivities, e.g. in measuring gravitational forces and magnetic fields. The full potential o... Read More about 3D-printed components for quantum devices.

Effect of surfactant on Pseudomonas aeruginosa colonization of polymer microparticles and flat films (2018)
Journal Article
Hüsler, A., Haas, S., Parry, L., Romero, M., Nisisako, T., Williams, P., …Alexander, M. R. (2018). Effect of surfactant on Pseudomonas aeruginosa colonization of polymer microparticles and flat films. RSC Advances, 8(28), https://doi.org/10.1039/c8ra01491d

Micro- and nanoparticles are of great interest because of their potential for trafficking into the body for applications such as low-fouling coatings on medical devices, drug delivery in pharmaceutics and cell carriers in regenerative medicine strate... Read More about Effect of surfactant on Pseudomonas aeruginosa colonization of polymer microparticles and flat films.

Author Correction: Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction (2018)
Journal Article
Hu, Q., Sun, X., Parmenter, C. D. J., Fay, M. W., Smith, E. F., Rance, G. A., …Wildman, R. (2018). Author Correction: Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction. Scientific Reports, 8(1), Article 3512. https://doi.org/10.1038/s41598-018-21513-8

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.

Tuneable ionic control of polymeric films for inkjet based 3D printing (2018)
Journal Article
Karjalainen, E., Wales, D. J., Gunasekera, D. H., Dupont, J., Licence, P., Wildman, R. D., & Sans, V. (in press). Tuneable ionic control of polymeric films for inkjet based 3D printing. ACS Sustainable Chemistry and Engineering, https://doi.org/10.1021/acssuschemeng.7b04279

Inkjet printing is a powerful additive manufacturing (AM) technique to generate advanced and complex geometries. However, requirements of low viscosity and surface tension are limiting the range of functional inks available, thus hindering the develo... Read More about Tuneable ionic control of polymeric films for inkjet based 3D printing.

Topology optimization of geometrically nonlinear structures using an evolutionary optimization method (2018)
Journal Article
Abdi, M., Ashcroft, I., & Wildman, R. (in press). Topology optimization of geometrically nonlinear structures using an evolutionary optimization method. Engineering Optimization, https://doi.org/10.1080/0305215X.2017.1418864

Iso-XFEM method is an evolutionary optimization method developed in our previous studies to enable the generation of high resolution topology optimised designs suitable for additive manufacture. Conventional approaches for topology optimization requi... Read More about Topology optimization of geometrically nonlinear structures using an evolutionary optimization method.

3D extrusion printing of high drug loading immediate release paracetamol tablets (2018)
Journal Article
Khaled, S. A., Alexander, M. R., Wildman, R. D., Wallace, M. J., Sharpe, S., Yoo, J., & Roberts, C. J. (2018). 3D extrusion printing of high drug loading immediate release paracetamol tablets. International Journal of Pharmaceutics, 538(1-2), 223-230. https://doi.org/10.1016/j.ijpharm.2018.01.024

The manufacture of immediate release high drug loading paracetamol oral tablets was achieved using an extrusion based 3D printer from a premixed water based paste formulation. The 3D printed tablets demonstrate that a very high drug (paracetamol) loa... Read More about 3D extrusion printing of high drug loading immediate release paracetamol tablets.

Design optimization for an additively manufactured automotive component (2018)
Journal Article
Abdi, M., Ashcroft, I., & Wildman, R. D. (2018). Design optimization for an additively manufactured automotive component. International Journal of Powertrains, 7(1-3), https://doi.org/10.1504/IJPT.2018.090371

The aim of this paper is to investigate the design optimization and additive manufacture of automotive components. A Titanium brake pedal processed through Selective Laser Melting (SLM) is considered as a test case. Different design optimisation tech... Read More about Design optimization for an additively manufactured automotive component.