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On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers (2020)
Journal Article
Patinglag, L., Esfahani, M. M. N., Ragunathan, K., He, P., Brown, N. J., Archibald, S. J., …Tarn, M. D. (in press). On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers. Analyst, https://doi.org/10.1039/c9an01881f

The miniaturisation of positron emission tomography (PET) radiotracer production is facilitating a move towards a dose-on-demand strategy that would enable a stratified approach to patient diagnostics, but while the on-chip synthesis steps have been... Read More about On-chip electrochemical detection of glucose towards the miniaturised quality control of carbohydrate-based radiotracers.

Microfluidic synthesis of silica nanoparticles using polyethylenimine polymers (2010)
Journal Article
He, P., Greenway, G., & Haswell, S. J. (2011). Microfluidic synthesis of silica nanoparticles using polyethylenimine polymers. Chemical Engineering Journal, 167(2-3), 694-699. https://doi.org/10.1016/j.cej.2010.08.079

A microfluidic reactor system for the synthesis of silica nanoparticles has been developed from commercially available ETFE tubing (0.17-1.0 mm diameter) connected in series to support the hydrolysis, nucleation and particle growth based on a sol-gel... Read More about Microfluidic synthesis of silica nanoparticles using polyethylenimine polymers.

Permeability of silica monoliths containing micro- and nano-pores (2010)
Journal Article
Fletcher, P. D. I., Haswell, S. J., He, P., Kelly, S. M., & Mansfield, A. (2011). Permeability of silica monoliths containing micro- and nano-pores. Journal of Porous Materials, 18(4), 501-508. https://doi.org/10.1007/s10934-010-9403-3

For applications as catalyst supports in flow reactors, porous silica monoliths require a combination of connected pores of micron-scale to enable fluid flow plus nm-scale pores to enable high catalyst area and activity. We have synthesised a range p... Read More about Permeability of silica monoliths containing micro- and nano-pores.

Development of a monolith based immobilized lipase micro-reactor for biocatalytic reactions in a biphasic mobile system (2009)
Journal Article
He, P., Greenway, G., & Haswell, S. J. (2010). Development of a monolith based immobilized lipase micro-reactor for biocatalytic reactions in a biphasic mobile system. Process Biochemistry, 45(4), 593-597. https://doi.org/10.1016/j.procbio.2009.12.008

This paper reports a simple method for producing macroporous silica-monoliths with controllable porosity that can be used for the immobilization of lipases to generate an active and stable micro-reactor for biocatalysis. A range of commercially avail... Read More about Development of a monolith based immobilized lipase micro-reactor for biocatalytic reactions in a biphasic mobile system.

Measurement of acetylcholinesterase inhibition using bienzymes immobilized monolith micro-reactor with integrated electrochemical detection (2009)
Journal Article
He, P., Davies, J., Greenway, G., & Haswell, S. J. (2010). Measurement of acetylcholinesterase inhibition using bienzymes immobilized monolith micro-reactor with integrated electrochemical detection. Analytica Chimica Acta, 659(1-2), 9-14. https://doi.org/10.1016/j.aca.2009.11.052

This paper reports a simple μ-FIA based method for the rapid evaluation of acetylcholinesterase inhibition based on bienzymes immobilized monolith micro-reactor, with integrated electrochemical detection. The monolith was prepared inside a micro-flui... Read More about Measurement of acetylcholinesterase inhibition using bienzymes immobilized monolith micro-reactor with integrated electrochemical detection.

Development of enzyme immobilized monolith micro-reactors integrated with microfluidic electrochemical cell for the evaluation of enzyme kinetics (2009)
Journal Article
Greenway, G., Haswell, S. J., & He, P. (2010). Development of enzyme immobilized monolith micro-reactors integrated with microfluidic electrochemical cell for the evaluation of enzyme kinetics. Microfluidics and Nanofluidics, 8(5), 565-573. https://doi.org/10.1007/s10404-009-0476-8

This paper describes a simple and efficient method for producing an on-chip enzyme immobilized monolith micro-reactor that integrates a microfluidic electrochemical cell for rapid characterization of enzymatic kinetics. The monolith was generated usi... Read More about Development of enzyme immobilized monolith micro-reactors integrated with microfluidic electrochemical cell for the evaluation of enzyme kinetics.

The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide (2008)
Journal Article
He, P., Greenway, G., & Haswell, S. J. (2008). The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide. Nanotechnology, 19(31), 315603. https://doi.org/10.1088/0957-4484/19/31/315603

A simple microfluidic reactor system is described for the effective synthesis of enzyme functionalized nanoparticles which offers many advantages over batch reactions, including excellent enzyme efficiencies. Better control of the process parameters... Read More about The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide.


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