All Outputs (40)

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.

Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis (2016)
Journal Article
Ngamsom, B., Esfahani, M. M., Phurimsak, C., Lopez-Martinez, M. J., Raymond, J., Broyer, P., …Pamme, N. (2016). Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis. Analytica Chimica Acta, 918, 69-76. https://doi.org/10.1016/j.aca.2016.03.014

This study reports multiplex sorting of Salmonella typhimurium and Escherichia coli 0157, from broth cultures and from pathogen-spiked skinned chicken breast enrichment broths by employing microfluidic free-flow magnetophoresis. Magnetic beads of dif... Read More about Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis.

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.

On-chip acoustophoretic isolation of microflora including S. typhimurium from raw chicken, beef and blood samples (2016)
Journal Article
Ngamsom, B., Lopez-Martinez, M. J., Raymond, J., Broyer, P., Patel, P., & Pamme, N. (2016). On-chip acoustophoretic isolation of microflora including S. typhimurium from raw chicken, beef and blood samples. Journal of microbiological methods, 123, 79-86. https://doi.org/10.1016/j.mimet.2016.01.016

Pathogen analysis in food samples routinely involves lengthy growth-based pre-enrichment and selective enrichment of food matrices to increase the ratio of pathogen to background flora. Similarly, for blood culture analysis, pathogens must be isolate... Read More about On-chip acoustophoretic isolation of microflora including S. typhimurium from raw chicken, beef and blood samples.

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.

Artificial leaf device for hydrogen generation from immobilised C. reinhardtii microalgae (2015)
Journal Article
Das, A. A. K., Esfahani, M. M. N., Velev, O. D., Pamme, N., & Paunov, V. N. (2015). Artificial leaf device for hydrogen generation from immobilised C. reinhardtii microalgae. Journal of Materials Chemistry A, 3(41), 20698-20707. https://doi.org/10.1039/c5ta07112g

We developed a fully biomimetic leaf-like device for hydrogen production which allows incorporated fabric-immobilised microalgae culture to be simultaneously hydrated with media and harvested from the produced hydrogen in a continuous flow regime wit... Read More about Artificial leaf device for hydrogen generation from immobilised C. reinhardtii microalgae.

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.

Integrated DNA extraction and amplification using electrokinetic pumping in a microfluidic device (2011)
Journal Article
Parton, J., Birch, C., Kemp, C., Haswell, S. J., Pamme, N., & Shaw, K. J. (2012). Integrated DNA extraction and amplification using electrokinetic pumping in a microfluidic device. Analytical Methods, 4(1), 96-100. https://doi.org/10.1039/c1ay05552f

An integrated system employing anion exchange for the extraction of DNA from biological samples prior to polymerase chain reaction DNA amplification has been developed, based on microfluidic methodology utilising electrokinetic pumping. In this syste... Read More about Integrated DNA extraction and amplification using electrokinetic pumping in a microfluidic device.

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.

On-chip pre-concentration and complexation of [18F]fluoride ions via regenerable anion exchange particles for radiochemical synthesis of Positron Emission Tomography tracers (2011)
Journal Article
De Leonardis, F., Pascali, G., Salvadori, P. A., Watts, P., & Pamme, N. (2011). On-chip pre-concentration and complexation of [18F]fluoride ions via regenerable anion exchange particles for radiochemical synthesis of Positron Emission Tomography tracers. Journal of Chromatography A, 1218(29), 4714-4719. https://doi.org/10.1016/j.chroma.2011.05.062

Microfluidic approaches have demonstrated a relevant impact on radiochemical reactions involving Positron Emission Tomography (PET) nuclides, due to shorter reaction times and smaller precursor quantities. However, little attention has been given to... Read More about On-chip pre-concentration and complexation of [18F]fluoride ions via regenerable anion exchange particles for radiochemical synthesis of Positron Emission Tomography tracers.

Cell sorting by endocytotic capacity in a microfluidic magnetophoresis device (2011)
Journal Article
Robert, D., Pamme, N., Conjeaud, H., Gazeau, F., Iles, A., & Wilhelm, C. (2011). Cell sorting by endocytotic capacity in a microfluidic magnetophoresis device. Lab on a chip, 11(11), 1902-1910. https://doi.org/10.1039/c0lc00656d

Magnetically labelled cells are finding a wealth of applications for in vitro analysis as well as in vivo treatments. Sorting of cells into subpopulations based on their magnetite loading is an important step in such procedures. Here, we study the so... Read More about Cell sorting by endocytotic capacity in a microfluidic magnetophoresis device.

Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles (2010)
Journal Article
Vojtíšek, M., Iles, A., & Pamme, N. (2010). Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles. Biosensors & bioelectronics, 25(9), 2172-2176. https://doi.org/10.1016/j.bios.2010.01.034

DNA hybridisation is an important tool for bioanalytical research and clinical diagnostics; conventional methods, however, require long incubation times and numerous washing steps, rendering the procedure time consuming and labour intensive. In this... Read More about Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles.

Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow (2009)
Journal Article
Peyman, S. A., Iles, A., & Pamme, N. (2009). Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow. Lab on a chip, 9(21), 3110-3117. https://doi.org/10.1039/b904724g

An extremely versatile microfluidic device is demonstrated in which multi-step (bio) chemical procedures can be performed in continuous flow. The system operates by generating several co-laminar flow streams, which contain reagents for specific (bio)... Read More about Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow.

Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices (2009)
Journal Article
Peyman, S. A., Kwan, E. Y., Margarson, O., Iles, A., & Pamme, N. (2009). Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices. Journal of Chromatography A, 1216(52), 9055-9062. https://doi.org/10.1016/j.chroma.2009.06.039

We report the exploration of diamagnetic repulsion forces for the selective manipulation of microparticles inside microfluidic devices. Diamagnetic materials such as polymers are repelled from magnetic fields, an effect greatly enhanced by suspending... Read More about Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices.

Rapid on-chip multi-step (bio)chemical procedures in continuous flow - manoeuvring particles through co-laminar reagent streams (2008)
Journal Article
Peyman, S. A., Iles, A., & Pamme, N. (2008). Rapid on-chip multi-step (bio)chemical procedures in continuous flow - manoeuvring particles through co-laminar reagent streams. Chemical communications : Chem comm / the Royal Society of Chemistry, 1220-1222. https://doi.org/10.1039/b716532c

We introduce a novel and extremely versatile microfluidic platform in which tedious multi-step biochemical processes can be performed in continuous flow within a fraction of the time required for conventional methods.

Simultaneous bioassays in a microfluidic channel on plugs of different magnetic particles (2007)
Journal Article
Bronzeau, S., & Pamme, N. (2008). Simultaneous bioassays in a microfluidic channel on plugs of different magnetic particles. Analytica Chimica Acta, 609(1), 105-112. https://doi.org/10.1016/j.aca.2007.11.035

Magnetic particles coated with specific biomolecules are often used as solid supports for bioassays but conventional test tube based techniques are time consuming and labour intensive. An alternative is to work on magnetic particle plugs immobilised... Read More about Simultaneous bioassays in a microfluidic channel on plugs of different magnetic particles.