All Outputs (20)

A sample-to-answer COVID-19 diagnostic device based on immiscible filtration and CRISPR-Cas12a-assisted detection (2022)
Journal Article
Ngamsom, B., Iles, A., Kamita, M., Kimani, R., Wakaba, P., Rodriguez-Mateos, P., Mungai, M., Dyer, C. E., Walter, C., Gitaka, J., & Pamme, N. (2022). A sample-to-answer COVID-19 diagnostic device based on immiscible filtration and CRISPR-Cas12a-assisted detection. Talanta Open, 6, Article 100166. https://doi.org/10.1016/j.talo.2022.100166

In response to the ongoing coronavirus disease 2019 (COVID-19) pandemic and disparities of vaccination coverage in low-and middle-income countries, it is vital to adopt a widespread testing and screening programme, combined with contact tracing, to m... Read More about A sample-to-answer COVID-19 diagnostic device based on immiscible filtration and CRISPR-Cas12a-assisted detection.

A lab-on-a-chip platform for integrated extraction and detection of SARS-CoV-2 RNA in resource-limited settings (2021)
Journal Article
Rodriguez-Mateos, P., Ngamsom, B., Walter, C., Dyer, C. E., Gitaka, J., Iles, A., & Pamme, N. (2021). A lab-on-a-chip platform for integrated extraction and detection of SARS-CoV-2 RNA in resource-limited settings. Analytica Chimica Acta, 1177, Article 338758. https://doi.org/10.1016/j.aca.2021.338758

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused the unprecedented global pandemic of coronavirus disease-2019 (COVID-19). Efforts are needed to develop rapid and accurate diagnostic tools for extensive testing, allowing for ef... Read More about A lab-on-a-chip platform for integrated extraction and detection of SARS-CoV-2 RNA in resource-limited settings.

Inertial focusing of microparticles, bacteria, and blood in serpentine glass channels (2021)
Journal Article
Rodriguez-Mateos, P., Ngamsom, B., Dyer, C. E., Iles, A., & Pamme, N. (in press). Inertial focusing of microparticles, bacteria, and blood in serpentine glass channels. ELECTROPHORESIS, https://doi.org/10.1002/elps.202100083

Early detection of pathogenic microorganisms is pivotal to diagnosis and prevention of health and safety crises. Standard methods for pathogen detection often rely on lengthy culturing procedures, confirmed by biochemical assays, leading to >24 h for... Read More about Inertial focusing of microparticles, bacteria, and blood in serpentine glass channels.

Investigating oxygen transport efficiencies in precision-cut liver slice-based organ-on-a-chip devices (2021)
Journal Article
Christensen, M. G., Cawthorne, C., Dyer, C. E., Greenman, J., & Pamme, N. (2021). Investigating oxygen transport efficiencies in precision-cut liver slice-based organ-on-a-chip devices. Microfluidics and Nanofluidics, 25(4), Article 35. https://doi.org/10.1007/s10404-021-02434-x

Microfluidic ‘organ-on-a-chip’ devices hold great potential for better mimicking the continuous flow microenvironment experienced by tissue and cells in vivo, thereby ensuring realistic transport of nutrients and elimination of waste products. Howeve... Read More about Investigating oxygen transport efficiencies in precision-cut liver slice-based organ-on-a-chip devices.

A microfluidic chip based model for the study of full thickness human intestinal tissue using dual flow (2016)
Journal Article
Dawson, A., Dyer, C., Macfie, J., Davies, J., Karsai, L., Greenman, J., & Jacobsen, M. (2016). A microfluidic chip based model for the study of full thickness human intestinal tissue using dual flow. Biomicrofluidics, 10(6), 064101. https://doi.org/10.1063/1.4964813

© 2016 Author(s). The study of inflammatory bowel disease, including Ulcerative Colitis and Crohn's Disease, has relied largely upon the use of animal or cell culture models; neither of which can represent all aspects of the human pathophysiology. Pr... Read More about A microfluidic chip based model for the study of full thickness human intestinal tissue using dual flow.

Apolipoprotein E ε4 allele modulates the immediate impact of acute exercise on prefrontal function (2014)
Journal Article
De Marco, M., Clough, P. J., Dyer, C. E., Vince, R. V., Waby, J. S., Midgley, A. W., & Venneri, A. (2015). Apolipoprotein E ε4 allele modulates the immediate impact of acute exercise on prefrontal function. Behavior Genetics, 45(1), 106-116. https://doi.org/10.1007/s10519-014-9675-5

The difference between Apolipoprotein E ε4 carriers and non-carriers in response to single exercise sessions was tested. Stroop and Posner tasks were administered to young untrained women immediately after walking sessions or moderately heavy exercis... Read More about Apolipoprotein E ε4 allele modulates the immediate impact of acute exercise on prefrontal function.

Direct processing of clinically relevant large volume samples for the detection of sexually transmitted infectious agents from urine on a microfluidic device (2012)
Journal Article
Kemp, C., Birch, C., Shaw, K. J., Nixon, G. J., Docker, P. T., Greenman, J., Huggett, J. F., Haswell, S. J., Foy, C. A., & Dyer, C. E. (2012). Direct processing of clinically relevant large volume samples for the detection of sexually transmitted infectious agents from urine on a microfluidic device. Analytical Methods, 4(7), 2141-2144. https://doi.org/10.1039/c2ay25075f

Urine is a preferred specimen for nucleic acid-based detection of sexually transmitted infections (STIs) but represents a challenge for microfluidic devices due to low analyte concentrations. We present an extraction methodology enabling rapid on-chi... Read More about Direct processing of clinically relevant large volume samples for the detection of sexually transmitted infectious agents from urine on a microfluidic device.

Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’” (2011)
Journal Article
Zheng, S., Webster, A., Zheng, S., Welham, K. J., Dyer, C. E., Greenman, J., Haswell, S. J., Webster, A., Zheng, S., Welham, K. J., Dyer, C. E., Greenman, J., Haswell, S. J., Zheng, S., Webster, A., Welham, K. J., Dyer, C. E., Greenman, J., Haswell, S. J., Zheng, S., …Haswell, S. J. (2011). Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’”. Analyst, 136(2), 411-411. https://doi.org/10.1039/c0an00729c

Comment by Tsikas et al. (Analyst, 2011, DOI: 10.1039/c0an00411a) on the preliminary work by Shen and colleagues (Analyst, 2010, 135, 302) describing the use of ESI-MS/MS for the detection of methylpiperazinobenzenediamine, as a probe for NO in tissu... Read More about Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’”.

On-chip integrated labelling, transport and detection of tumour cells (2011)
Journal Article
Woods, J., Docker, P. T., Dyer, C. E., Haswell, S. J., & Greenman, J. (2011). On-chip integrated labelling, transport and detection of tumour cells. ELECTROPHORESIS, 32(22), 3188-3195. https://doi.org/10.1002/elps.201100172

Microflow cytometry represents a promising tool for the investigation of diagnostic and prognostic cellular cancer markers, particularly if integrated within a device that allows primary cells to be freshly isolated from the solid tumour biopsies tha... Read More about On-chip integrated labelling, transport and detection of tumour cells.

A microfluidic system for testing the responses of head and neck squamous cell carcinoma tissue biopsies to treatment with chemotherapy drugs (2011)
Journal Article
Hattersley, S. M., Sylvester, D. C., Dyer, C. E., Stafford, N. D., Haswell, S. J., & Greenman, J. (2012). A microfluidic system for testing the responses of head and neck squamous cell carcinoma tissue biopsies to treatment with chemotherapy drugs. Annals of biomedical engineering, 40(6), 1277-1288. https://doi.org/10.1007/s10439-011-0428-9

Tumors are heterogeneous masses of cells characterized pathologically by their size and spread. Their chaotic biology makes treatment of malignancies hard to generalize. We present a robust and reproducible glass microfluidic system, for the maintena... Read More about A microfluidic system for testing the responses of head and neck squamous cell carcinoma tissue biopsies to treatment with chemotherapy drugs.

Development of a real-world direct interface for integrated DNA extraction and amplification in a microfluidic device (2010)
Journal Article
Shaw, K. J., Joyce, D., Docker, P. T., Dyer, C. E., Greenway, G. M., Greenman, J., & Haswell, S. J. (2011). Development of a real-world direct interface for integrated DNA extraction and amplification in a microfluidic device. Lab on a chip, 11(3), 443-448. https://doi.org/10.1039/c0lc00346h

Integrated DNA extraction and amplification have been carried out in a microfluidic device using electro-osmotic pumping (EOP) for fluidic control. All the necessary reagents for performing both DNA extraction and polymerase chain reaction (PCR) ampl... Read More about Development of a real-world direct interface for integrated DNA extraction and amplification in a microfluidic device.

Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species (2010)
Journal Article
Cheah, L.-T., Dou, Y. H., Seymour, A. M. L., Dyer, C. E., Haswell, S. J., Wadhawan, J. D., & Greenman, J. (2010). Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species. Lab on a chip, 10(20), 2720-2726. https://doi.org/10.1039/c004910g

A microfluidic device has been developed to maintain viable heart tissue samples in a biomimetic microenvironment. This device allows rat or human heart tissue to be studied under pseudo in vivo conditions. Effluent levels of lactate dehydrogenase an... Read More about Microfluidic perfusion system for maintaining viable heart tissue with real-time electrochemical monitoring of reactive oxygen species.

A microfluidic device for tissue biopsy culture and interrogation (2010)
Journal Article
Webster, A., Dyer, C. E., Haswell, S. J., & Greenman, J. (2010). A microfluidic device for tissue biopsy culture and interrogation. Analytical Methods, 2(8), 1005-1007. https://doi.org/10.1039/c0ay00293c

This communication reports the development of a microfluidic device capable of maintaining the long-term culture of viable tissue biopsies. Tissue-based models will enable evaluation of cell-cell and cell-matrix interactions within multi-cellular sys... Read More about A microfluidic device for tissue biopsy culture and interrogation.

Rapid PCR amplification using a microfluidic device with integrated microwave heating and air impingement cooling (2010)
Journal Article
Shaw, K. J., Docker, P. T., Yelland, J. V., Dyer, C. E., Greenman, J., Greenway, G. M., & Haswell, S. J. (2010). Rapid PCR amplification using a microfluidic device with integrated microwave heating and air impingement cooling. Lab on a chip, 10(13), 1725-1728. https://doi.org/10.1039/c000357n

A microwave heating system is described for performing polymerase chain reaction (PCR) in a microfluidic device. The heating system, in combination with air impingement cooling, provided rapid thermal cycling with heating and cooling rates of up to 6... Read More about Rapid PCR amplification using a microfluidic device with integrated microwave heating and air impingement cooling.

Detection of nitric oxide in tissue samples by ESI-MS (2009)
Journal Article
Shen, Z., Webster, A., Welham, K. J., Dyer, C. E., Greenman, J., & Haswell, S. J. (2010). Detection of nitric oxide in tissue samples by ESI-MS. Analyst, 135(2), 302-305. https://doi.org/10.1039/b917643h

A novel method to determine nitric oxide (NO) in biological tissue samples with minimal interference from the cellular detritus is described. Methylpiperazinobenzenediamine, consisting of an o-phenylenediamine and a methyl piperazine group, was chose... Read More about Detection of nitric oxide in tissue samples by ESI-MS.

Development of a gel-to-gel electro-kinetic pinched injection method for an integrated micro-fluidic based DNA analyser (2009)
Journal Article
Oakley, J. A., Robinson, S., Dyer, C. E., Greenman, J., Greenway, G. M., & Haswell, S. J. (2009). Development of a gel-to-gel electro-kinetic pinched injection method for an integrated micro-fluidic based DNA analyser. Analytica Chimica Acta, 652(1-2), 239-244. https://doi.org/10.1016/j.aca.2009.07.063

An integrated gel supported micro-fluidic system is reported, in which PCR products can be efficiently injected into a capillary electrophoresis device. The gel supported system is designed to provide greater stability to reagents during long periods... Read More about Development of a gel-to-gel electro-kinetic pinched injection method for an integrated micro-fluidic based DNA analyser.

The use of carrier RNA to enhance DNA extraction from microfluidic-based silica monoliths (2009)
Journal Article
Shaw, K. J., Thain, L., Dyer, C., Docker, P. T., Greenman, J., Greenway, G. M., & Haswell, S. J. (2009). The use of carrier RNA to enhance DNA extraction from microfluidic-based silica monoliths. Analytica Chimica Acta, 652(1-2), 231-233. https://doi.org/10.1016/j.aca.2009.03.038

DNA extraction was carried out on silica-based monoliths within a microfluidic device. Solid-phase DNA extraction methodology was applied in which the DNA binds to silica in the presence of a chaotropic salt, such as guanidine hydrochloride, and is e... Read More about The use of carrier RNA to enhance DNA extraction from microfluidic-based silica monoliths.

Development of a bi-functional silica monolith for electro-osmotic pumping and DNA clean-up/extraction using gel-supported reagents in a microfluidic device (2009)
Journal Article
Oakley, J. A., Shaw, K. J., Docker, P. T., Dyer, C. E., Greenman, J., Greenway, G. M., & Haswell, S. J. (2009). Development of a bi-functional silica monolith for electro-osmotic pumping and DNA clean-up/extraction using gel-supported reagents in a microfluidic device. Lab on a chip, 9(11), 1596-1600. https://doi.org/10.1039/b820553a

A silica monolith used to support both electro-osmotic pumping (EOP) and the extraction/elution of DNA coupled with gel-supported reagents is described. The benefits of the combined EOP extraction/elution system were illustrated by combining DNA extr... Read More about Development of a bi-functional silica monolith for electro-osmotic pumping and DNA clean-up/extraction using gel-supported reagents in a microfluidic device.

Simple practical approach for sample loading prior to DNA extraction using a silica monolith in a microfluidic device (2009)
Journal Article
Shaw, K. J., Docker, P. T., Haswell, S. J., Joyce, D. A., Dyer, C. E., Greenman, J., & Greenway, G. M. (2009). Simple practical approach for sample loading prior to DNA extraction using a silica monolith in a microfluidic device. Lab on a chip, 9(23), 3430-3432. https://doi.org/10.1039/b913309g

A novel DNA loading methodology is presented for performing DNA extraction on a microfluidic system. DNA in a chaotropic salt solution was manually loaded onto a silica monolith orthogonal to the subsequent flow of wash and elution solutions. DNA was... Read More about Simple practical approach for sample loading prior to DNA extraction using a silica monolith in a microfluidic device.

Development of a microfluidic device for the maintenance and interrogation of viable tissue biopsies (2008)
Journal Article
Dyer, C. E., Greenman, J., Haswell, S. J., & Hattersley, S. M. (2008). Development of a microfluidic device for the maintenance and interrogation of viable tissue biopsies. Lab on a chip, 8(11), 1842-1846. https://doi.org/10.1039/b809345h

A microfluidic based experimental methodology has been developed that offers a biomimetic microenvironment in which pseudo in vivo tissue studies can be carried out under in vitro conditions. Using this innovative technique, which utilizes the inhere... Read More about Development of a microfluidic device for the maintenance and interrogation of viable tissue biopsies.