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Two-step numerical approach to predict ferrofluid droplet generation and manipulation inside multilaminar flow chambers (2019)
Journal Article
Gómez-Pastora, J., Amiri Roodan, V., Karampelas, I. H., Alorabi, A. Q., Tarn, M. D., Iles, A., …Ortiz, I. (2019). Two-step numerical approach to predict ferrofluid droplet generation and manipulation inside multilaminar flow chambers. Journal of physical chemistry. C, 123(15), 10065-10080. https://doi.org/10.1021/acs.jpcc.9b01393

Copyright © 2019 American Chemical Society. In this study, a computational fluid dynamics approach is implemented to investigate the dynamic behavior of continuous-flow droplet microfluidics. The developed approach predicts both droplet generation an... Read More about Two-step numerical approach to predict ferrofluid droplet generation and manipulation inside multilaminar flow chambers.

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. https://doi.org/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 about Microcapsules as assay compartments formed through layer-by-layer deposition.

Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals (2018)
Journal Article
Tarn, M. D., Kızılyer, N. Y., Esfahani, M. M. N., Joshi, P., Brown, N. J., Pamme, N., …Archibald, S. J. (2018). Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals. Chemistry: a European journal, 24(52), 13749-13753. https://doi.org/10.1002/chem.201802395

A miniaturized radio-HPLC detector has been developed comprising a microfluidic device fabricated from plastic scintillator in combination with a silicon photomultiplier light sensor, and tested with samples containing a positron-emitting radionuclid... Read More about Plastic scintillator-based microfluidic devices for miniaturized detection of Positron Emission Tomography radiopharmaceuticals.

Correction: On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules (2017)
Journal Article
Alorabi, A. Q., Tarn, M. D., Gómez-Pastora, J., Bringas, E., Ortiz, I., Paunov, V. N., & Pamme, N. (2017). Correction: On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules. Lab on a chip, 17(22), 3934. https://doi.org/10.1039/c7lc90110k

Correction for ‘On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules’ by Ali Q. Alorabi et al., Lab Chip, 2017, DOI: 10.1039/c7lc00918f.

On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules (2017)
Journal Article
Alorabi, A. Q., Tarn, M. D., Gómez-Pastora, J., Bringas, E., Ortiz, I., Paunov, V. N., & Pamme, N. (2017). On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules. Lab on a chip, 17(22), 3785-3795. https://doi.org/10.1039/c7lc00918f

Polyelectrolyte (PE) microcapsules for drug delivery are typically fabricated via layer-by-layer (LbL) deposition of PE layers of alternating charge on sacrificial template microparticles, which usually requires multiple incubation and washing steps... Read More about On-chip polyelectrolyte coating onto magnetic droplets – towards continuous flow assembly of drug delivery capsules.

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. https://doi.org/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 about Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples.

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. https://doi.org/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 about Magnetic particle plug-based assays for biomarker analysis.

Positron detection in silica monoliths for miniaturised quality control of PET radiotracers (2016)
Journal Article
Tarn, M. D., Maneuski, D., Alexander, R., Brown, N. J., O’Shea, V., Pimlott, S. L., …Archibald, S. J. (2016). Positron detection in silica monoliths for miniaturised quality control of PET radiotracers. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(45), 7221-7224. https://doi.org/10.1039/c6cc00660d

We demonstrate the use of the miniaturised Medipix positron sensor for detection of the clinical PET radiotracer, [⁶⁸Ga]gallium-citrate, on a silica-based monolith, towards microfluidic quality control. The system achieved a far superior signal-to-no... Read More about Positron detection in silica monoliths for miniaturised quality control of PET radiotracers.

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), Article 011301. https://doi.org/10.1063/1.4940884

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 about Lab-on-a-chip workshop activities for secondary school students.

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. https://doi.org/10.1039/c5tb00222b

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 about Tailoring pH-responsive acrylic acid microgels with hydrophobic crosslinks for drug release.

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. https://doi.org/10.1021/ac5023265

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 about On-chip determination of C-reactive protein using magnetic particles in continuous flow.

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. https://doi.org/10.1039/c4lc00139g

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 about Phaseguide assisted liquid lamination for magnetic particle-based assays.

On-chip processing of particles and cells via multilaminar flow streams (2013)
Journal Article
Tarn, M. D., Lopez-Martinez, M. J., & Pamme, N. (2014). On-chip processing of particles and cells via multilaminar flow streams. Analytical and Bioanalytical Chemistry, 406(1), 139-161. https://doi.org/10.1007/s00216-013-7363-6

The processing of particles, cells, and droplets for reactions, analyses, labeling, and coating is an important aspect of many microfluidic workflows. However, performing multi-step processes is typically a laborious and timeconsuming endeavor. By ex... Read More about On-chip processing of particles and cells via multilaminar flow streams.

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. (2013). Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals. Lab on a chip, 13(12), 2328-2336. https://doi.org/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 about Radiochemistry on chip: towards dose-on-demand synthesis of PET radiopharmaceuticals.

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. https://doi.org/10.1586/ERM.11.59

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 about Microfluidic platforms for performing surface-based clinical assays.