
Baxani, K. D., Morgan, A. J. L., Jamieson, W. D., Allender, C. J., Barrow D. A. & Castell, O. K. Bilayer Networks within a Hydrogel Shell: A Robust Chassis for Artificial Cells and a Platform for Membrane Studies. Angewandte Chemie 55 (46), 14240–14245 (2016).

Morgan, A. J. L., Hidalgo San Jose, L., Jamieson, W. D., Wymant, J. M., Song, B., Stephens, P., Barrow D. A. & Castell, O. K. Simple and Versatile 3D Printed Microfluidics Using Fused Filament Fabrication. PLoS ONE 11(4): e0152023. doi:10.1371/journal.pone.0152023 (2016).
Huang, S., Romero-Ruiz, M., Castell, O. K., Bayley, H. & Wallace, M. I. High-Throughput Optical Sensing of Nucleic Acids in a Nanopore Array. Nature Nanotechnology 10, 986–991 (2015).
Leptihn, S., Castell O.K., Cronin B., Lee E.-H., Gross L.C.M., Marshall D.P., Thompson J.R., Holden M., & Wallace M.I. Constructing Droplet Interface Bilayers From The Contact Of Aqueous Droplets In Oil. Nature Protocols 8, 1048-1057 (2013). (Front Cover)
Castell, O.K., Berridge, J.M. & Wallace, M.I. Quantification of Membrane Protein Function by Optical Ion Flux in a Droplet Interface Bilayer Array. Angewandte Chemie 124 (13), 3188-3192 (2012).
Gross, L.C.M., Castell, O.K. & Wallace, M.I. Dynamic and Reversible Control of 2D Membrane Protein Concentration in a Droplet Interface Bilayer. Nano Letters 11, 3324-3328 (2011).
Castell, O.K., Barrow, D.A., Kamarudin, A.R. & Allender, C.J. Current practices for describing the performance of molecularly imprinted polymers can be misleading and may be hampering the development of the field. Journal of Molecular Recognition 24, 1115-1122 (2011).
Barrow, D.A., Castell, O.K., Sykes, N., Myers, P. & Ritchie, H. A microfabricated graphitic carbon column for high performance liquid chromatography. Journal of Chromatography A 1218, 1983-1987 (2011).
Allender, C.J., Castell, O.K., Hedin-Dahlström, J., Davies, P.R. and Stockenhuber, M. A glimpse of the inner workings of the templated site. Chemical Communications 8 (2), 165-167 (2009). (Hot Article)
Castell, O.K., Allender, C.J. & Barrow, D.A. Liquid–liquid phase separation: characterisation of a novel device capable of separating particle carrying multiphase flows. Lab on a Chip 9, 388-396 (2008). (Hot Article)
Castell, O.K., Masood, A., Göritz, R., Barrow, D.A., Allender, C.J. and Porch, A. Microwave Technique For Monitoring Phase Separation of a Multiphase-Flow Regime Utilised For Continuous Molecular Enrichment. The Proceedings of MicroTAS 2008 Conference, 137-139 ISBN: 978-0-9798064-1-4 (2008).
Masood, A., Castell, O., Barrow, D., Allender, C. & Porch, A. Split Ring Resonator Technique for Compositional Analysis of Solvents in Microcapillary Systems. The Proceedings of MicroTAS 2008 Conference, 1636–1638 ISBN: 978-0-9798064-0-7. (2008).
Castell, O.K., Allender, C.J. & Barrow, D.A. Continuous molecular enrichment in microfluidic systems. Lab on a Chip 8, 1031-1033 (2008).
Göritz, R., Masood, A. Castell, O.K., Barrow, D.A., Allender, C.J. and Porch, A. Microwave compositional analysis of solvent matrices in microcapillary manifold systems. The Proceedings of MicroTAS 2007 Conference, 1689–1691 ISBN: 4-9903269-0-3-C3043. (2007).
Castell, O.K., Allender, C.J. & Barrow, D.A. Microchip Solid-Phase-Enhanced Liquid-Liquid Extractions Using Highly Selective Molecularly Imprinted Polymers As Chemorecognition Solvent Extraction Agents. The Proceedings of MicroTAS 2006 Conference, 891-893 (2006).
Castell, O.K., Allender, C.J. & Barrow, D.A. Novel biphasic separations utilising highly selective molecularly imprinted polymers as biorecognition solvent extraction agents. Biosensors and Bioelectronics 22, 526-533 (2006).
Castell, O.K., Barrow, D.A., & Allender, C.J. “Microfluidic Liquid Separation Device and Methods for Construction and Application.” Patent Application Number: 0816001.2. Filing Date 03 September 2008. (2008).
Wallace, M.I., Bayley, H., Huag, S., Castell O.K., & Romero-Ruiz, M. “Measurement of Analytes With Membrane Channel Molecules, And Bilayer Arrays.” PCT International Application No: PCT/GB2015/051996. Filing Date 14 July 2014. (2014).