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Microcapsules as assay compartments formed through layer-by-layer deposition (2018)
Journal Article
Alorabi, A. Q., Tarn, M. D., Thomas, M., Paunov, V. N., & Pamme, N. (2018). Microcapsules as assay compartments formed through layer-by-layer deposition. Analytical Methods, 10(44), 5335-5340. doi:10.1039/c8ay02012d

We investigate the potential of using microcapsules, generated through layer-by-layer assembly, as reaction compartments for bioassays. A streptavidin-biotin and an esterase-fluorescein diacetate (FDA) assay were employed for proof-of-concept. Strept... Read More

Fabrication of tailorable pH responsive cationic amphiphilic microgels on a microfluidic device for drug release (2017)
Journal Article
Lu, B., Tarn, M. D., Pamme, N., & Georgiou, T. K. (2018). Fabrication of tailorable pH responsive cationic amphiphilic microgels on a microfluidic device for drug release. Journal of Polymer Science Part A: Polymer Chemistry, 56(1), 59-66. doi:10.1002/pola.28860

Cationic, amphiphilic microgels of differing compositions based on hydrophilic, pH, and thermoresponsive 2-(dimethylamino)ethyl methacrylate (DMAEMA) and hydrophobic, nonionic n-butyl acrylate (BuA) are synthesized using a lab-on-a-chip device. Hydro... Read More

Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples (2016)
Journal Article
Esfahani, M. M. N., Shaw, K. J., Esfahani, M. M., Kemp, C., Tarn, M. D., Melling, L., …Mosley, O. (2016). Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples. Lab on a chip, 16(11), 2108-2115. doi:10.1039/c6lc00228e

Despite recent advances in microfluidic-based integrated diagnostic systems, the sample introduction interface, especially with regards to large volume samples, has often been neglected. We present a sample introduction interface that allows direct o... Read More

Magnetic particle plug-based assays for biomarker analysis (2016)
Journal Article
Phurimsak, C., Tarn, M. D., & Pamme, N. (2016). Magnetic particle plug-based assays for biomarker analysis. Micromachines, 7(5), 77. doi:10.3390/mi7050077

Conventional immunoassays offer selective and quantitative detection of a number of biomarkers, but are laborious and time-consuming. Magnetic particle-based assays allow easy and rapid selection of analytes, but still suffer from the requirement of... Read More

Lab-on-a-chip workshop activities for secondary school students (2016)
Journal Article
Esfahani, M. M. N., Tarn, M. D., Choudhury, T. A., Hewitt, L. C., Mayo, A. J., Rubin, T. A., …Pamme, N. (2016). Lab-on-a-chip workshop activities for secondary school students. Biomicrofluidics, 10(1), (1-24). doi:10.1063/1.4940884. ISSN 1932-1058

The ability to engage and inspire younger generations in novel areas of science is important for bringing new researchers into a burgeoning field, such as lab-on-a-chip. We recently held a lab-on-a-chip workshop for secondary school students, for whi... Read More

Microfluidically fabricated pH-responsive anionic amphiphilic microgels for drug release (2015)
Journal Article
Lu, B., Tarn, M. D., Pamme, N., & Georgiou, T. K. (2016). Microfluidically fabricated pH-responsive anionic amphiphilic microgels for drug release. Journal of materials chemistry B, Materials for biology and medicine /, 4(18), (3086-3093). doi:10.1039/c5tb02378e. ISSN 2050-750X

© 2016 The Royal Society of Chemistry. Amphiphilic microgels of different composition based on the hydrophilic, pH-responsive acrylic acid (AA) and the hydrophobic, non-ionic n-butyl acrylate (BuA) were synthesised using a lab-on-a-chip device. Hydro... Read More

Diamagnetic repulsion of particles for multilaminar flow assays (2015)
Journal Article
Tarn, M. D., Elders, L. T., Peyman, S. A., & Pamme, N. (2015). Diamagnetic repulsion of particles for multilaminar flow assays. RSC advances, 5(126), (103776-103781). doi:10.1039/c5ra21867e. ISSN 2046-2069

© The Royal Society of Chemistry. We demonstrate diamagnetic repulsion forces for performing continuous multilaminar flow assays on particles based on their intrinsic properties and with a simple setup. The platform could be applied to sandwich assay... Read More

Tailoring pH-responsive acrylic acid microgels with hydrophobic crosslinks for drug release (2015)
Journal Article
Lu, B., Tarn, M. D., Pamme, N., & Georgiou, T. K. (2015). Tailoring pH-responsive acrylic acid microgels with hydrophobic crosslinks for drug release. Journal of Materials Chemistry B, 3(22), (4524-4529). doi:10.1039/c5tb00222b. ISSN 2050-7518

Amphiphilic microgels based on the hydrophilic acrylic acid (AA) and hydrophobic crosslinks of different compositions were synthesised using a lab-on-a-chip device. The microgels were formed by polymerising hydrophobic droplets. The droplets were gen... Read More

On-chip determination of C-reactive protein using magnetic particles in continuous flow (2014)
Journal Article
Phurimsak, C., Tarn, M. D., Peyman, S. A., Greenman, J., & Pamme, N. (2014). On-chip determination of C-reactive protein using magnetic particles in continuous flow. Analytical chemistry, 86(21), (10552-10559). doi:10.1021/ac5023265. ISSN 0003-2700

We demonstrate the application of a multilaminar flow platform, in which functionalized magnetic particles are deflected through alternating laminar flow streams of reagents and washing solutions via an external magnet, for the rapid detection of the... Read More

Phaseguide assisted liquid lamination for magnetic particle-based assays (2014)
Journal Article
Phurimsak, C., Yildirim, E., Tarn, M. D., Trietsch, S. J., Hankemeier, T., Pamme, N., & Vulto, P. (2014). Phaseguide assisted liquid lamination for magnetic particle-based assays. Lab on a chip, 14(13), (2334-2343). doi:10.1039/c4lc00139g. ISSN 1473-0197

We have developed a magnetic particle-based assay platform in which functionalised magnetic particles are transferred sequentially through laminated volumes of reagents and washing buffers. Lamination of aqueous liquids is achieved via the use of pha... Read More

Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals (2013)
Journal Article
Arima, V., Pascali, G., Lade, O., Kretschmer, H. R., Bernsdorf, I., Hammond, V., …Rinaldi, R. (2012). Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals. Lab on a chip, 13(12), 2328-2336. doi:10.1039/c3lc00055a

We have developed an integrated microfluidic platform for producing 2-[¹⁸F]-fluoro-2-deoxy-D-glucose (¹⁸F-FDG) in continuous flow from a single bolus of radioactive isotope solution, with constant product yields achieved throughout the operation that... Read More

Microfluidic platforms for performing surface-based clinical assays (2011)
Journal Article
Tarn, M. D., & Pamme, N. (2011). Microfluidic platforms for performing surface-based clinical assays. Expert review of molecular diagnostics, 11(7), (711-720). doi:10.1586/ERM.11.59. ISSN 1473-7159

The need for fast, specific and portable diagnostic systems for clinical assays has, in recent years, led to an explosion of research into microfluidic chip-based immunoassays towards rapid point-of-care analysis. Such devices exploit small dimension... Read More

Flow focussing of particles and cells based on their intrinsic properties using a simple diamagnetic repulsion setup (2011)
Journal Article
Samitier, J., Lutz, J. B., Rodríguez-Villarreal, A. I., Madden, L. A., Tarn, M. D., Pamme, N., & Greenman, J. (2011). Flow focussing of particles and cells based on their intrinsic properties using a simple diamagnetic repulsion setup. Lab on a chip, 11(7), 1240-1248. doi:10.1039/c0lc00464b

The continuous flow focussing and manipulation of particles and cells are important factors in microfluidic applications for performing accurate and reproducible procedures downstream. Many particle focussing methods require complex setups or channel... Read More

The importance of particle type selection and temperature control for on-chip free-flow magnetophoresis (2009)
Journal Article
Wilhelm, C., Robert, D., Peyman, S. A., Iles, A., Tarn, M. D., & Pamme, N. (2009). The importance of particle type selection and temperature control for on-chip free-flow magnetophoresis. Journal of Magnetism and Magnetic Materials, 321(24), 4115-4122. doi:10.1016/j.jmmm.2009.08.016

Free-flow magnetophoresis is becoming a popular technique for the separation and manipulation of magnetic particles and materials in microsystems. A wide variety of magnetic particles are commercially available that differ greatly in size and in magn... Read More

On-chip diamagnetic repulsion in continuous flow (2009)
Journal Article
Iles, A., Hirota, N., Tarn, M. D., & Pamme, N. (2009). On-chip diamagnetic repulsion in continuous flow. Science and Technology of Advanced Materials, 10(1), 014611 - 014611. doi:10.1088/1468-6996/10/1/014611

We explore the potential of a microfluidic continuous flow particle separation system based on the repulsion of diamagnetic materials from a high magnetic field. Diamagnetic polystyrene particles in paramagnetic manganese (II) chloride solution were... Read More