All Outputs (8)

Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles (2015)
Journal Article
Simmons, M. D., Jones, N., Evans, D. J., Wiles, C., Watts, P., Salamon, S., Escobar Castillo, M., Wende, H., Lupascu, D. C., & Francesconi, M. G. (2015). Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles. Lab on a chip, 15(15), 3154-3162. https://doi.org/10.1039/c5lc00287g

Microreactor systems are now used more and more for the continuous production of metal nanoparticles and metal oxide nanoparticles owing to the controllability of the particle size, an important property in many applications. Here, for the first time... Read More about Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles.

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., Watts, P., De Leonardis, F., Tarn, M. D., Cvetkovic, B. Z., Dittrich, P. S., Vasovic, N., Duane, R., Jaksic, A., Pamme, N., Zacheo, A., Zizzari, A., Marra, L., Perrone, E., Salvadori, P. A., & 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.

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.

The development and evaluation of a conducting matrix for the electrochemical regeneration of the immobilised co-factor NAD(H) under continuous flow (2010)
Journal Article
Ngamsom, B., Hickey, A. M., Greenway, G. M., Littlechild, J. A., McCreedy, T., Watts, P., & Wiles, C. (2010). The development and evaluation of a conducting matrix for the electrochemical regeneration of the immobilised co-factor NAD(H) under continuous flow. Organic & biomolecular chemistry, 8(10), 2419-2424. https://doi.org/10.1039/b924100k

Through the preparation of a novel controlled pore glass-poly(pyrrole) material we have developed a conducting support that is not only suitable for the co-immobilisation of enzymes and co-factors, but also enables the facile electrochemical regenera... Read More about The development and evaluation of a conducting matrix for the electrochemical regeneration of the immobilised co-factor NAD(H) under continuous flow.

Development of a high throughput screening tool for biotransformations utilising a thermophilic L-aminoacylase enzyme (2009)
Journal Article
Ngamsom, B., Hickey, A. M., Greenway, G. M., Littlechild, J. A., Watts, P., & Wiles, C. (2010). Development of a high throughput screening tool for biotransformations utilising a thermophilic L-aminoacylase enzyme. Journal of Molecular Catalysis B: Enzymatic, 63(1-2), 81-86. https://doi.org/10.1016/j.molcatb.2009.12.013

Micro-reactors containing a monolith-immobilised thermophilic l-aminoacylase, from Thermococcus litoralis, have been developed for use in biotransformation reactions and a study has been carried out to investigate the stereospecificity and stability... Read More about Development of a high throughput screening tool for biotransformations utilising a thermophilic L-aminoacylase enzyme.

N-N bond cleavage in N-nitrosoarylamines (2008)
Journal Article
Evans, L. A., Petrovic, M., Antonijevic, M., Wiles, C., Watts, P., & Wadhawan, J. (2008). N-N bond cleavage in N-nitrosoarylamines. Journal of physical chemistry. C, 112(33), 12928-12935. https://doi.org/10.1021/jp710473a

The rupture of N-N bonds in three specific N-nitrosoarylamines (N,N'-dimethyl-N,N-dinitroso-para-phenylenediamine, Cupferron, and N-nitrosodiphenylamine) upon electrochemical oxidation in acetonitrile solution is investigated. In two cases, viz., Cup... Read More about N-N bond cleavage in N-nitrosoarylamines.

Enzymatic synthesis of a series of alkyl esters using novozyme 435 in a packed-bed, miniaturized, continuous flow reactor (2008)
Journal Article
Woodcock, L. L., Wiles, C., Greenway, G. M., Watts, P., Wells, A., & Eyley, S. (2008). Enzymatic synthesis of a series of alkyl esters using novozyme 435 in a packed-bed, miniaturized, continuous flow reactor. Biocatalysis and biotransformation, 26(6), 466-472. https://doi.org/10.1080/10242420802456571

Using lipase catalysed, enzymatic esterification as a model reaction, we successfully demonstrate the use of miniaturized technology for biocatalytic reactions. Benchmarked against batch reactions, nine alkyl esters have been synthesized effectively,... Read More about Enzymatic synthesis of a series of alkyl esters using novozyme 435 in a packed-bed, miniaturized, continuous flow reactor.

An optical sensor for reactive oxygen species: encapsulation of functionalised silica nanoparticles into silicate nanoprobes to reduce fluorophore leaching (2007)
Journal Article
Hammond, V. J., Aylott, J. W., Greenway, G. M., Watts, P., Webster, A., & Wiles, C. (2008). An optical sensor for reactive oxygen species: encapsulation of functionalised silica nanoparticles into silicate nanoprobes to reduce fluorophore leaching. Analyst, 133(1), 71-75. https://doi.org/10.1039/b711995j

Sol-gel nanoprobes, also known as Photonic Explorer for Bioanalysis with Biologically Localised Embedding (PEBBLE), capable of performing in-vitro intracellular monitoring of reactive oxygen species have been developed using a modified form of 5(6)-c... Read More about An optical sensor for reactive oxygen species: encapsulation of functionalised silica nanoparticles into silicate nanoprobes to reduce fluorophore leaching.