Electrochemical detection of asparaginase antibodies using bifunctionalized carbon interfaces (2023)
Journal Article
Marshall, D., & Lehr, J. (in press). Electrochemical detection of asparaginase antibodies using bifunctionalized carbon interfaces. Electroanalysis, https://doi.org/10.1002/elan.202200456

The early detection of anti-asparaginase biomarker can facilitate timely modification of asparaginase chemotherapy, thereby avoiding serious complications. Herein we describe the preparation of a novel electrochemical biosensing interface for rapid d... Read More about Electrochemical detection of asparaginase antibodies using bifunctionalized carbon interfaces.

Mapping the ionic fingerprints of molecular monolayers (2017)
Journal Article
Lehr, J., Weeks, J., Santos, A., Feliciano, G., Nicholson, M., Davis, J., & Bueno, P. (2017). Mapping the ionic fingerprints of molecular monolayers. Physical Chemistry Chemical Physics, 19(23), 15098-15109. https://doi.org/10.1039/c7cp01500c

We have previously proposed, and experimentally resolved, an ionic charge relaxation model for redox inactive self-assembled monolayers (SAMs) on metallic electrodes in contact with a liquid electrolyte. Here we analyse, by capacitance spectroscopy,... Read More about Mapping the ionic fingerprints of molecular monolayers.

Ratiometric oxygen sensing using lanthanide luminescent emitting interfaces (2015)
Journal Article
Lehr, J., Tropiano, M., Beer, P., Faulkner, S., & Davis, J. (2015). Ratiometric oxygen sensing using lanthanide luminescent emitting interfaces. Chemical Communications, 51(88), 15944-15947. https://doi.org/10.1039/c5cc05738h

Herein we describe the first example of a ratiometric lanthanide luminescent oxygen sensing interface. Immobilisation of terbium and europium cyclen complexes on glass substrates was achieved by a novel aryl nitrene photografting approach. The result... Read More about Ratiometric oxygen sensing using lanthanide luminescent emitting interfaces.

Reversible redox modulation of a lanthanide emissive molecular film (2015)
Journal Article
Lehr, J., Tropiano, M., Beer, P., Faulkner, S., & Davis, J. (2015). Reversible redox modulation of a lanthanide emissive molecular film. Chemical Communications, 51(30), 6515-6517. https://doi.org/10.1039/c5cc01097g

Herein we demonstrate redox switchable emission from a sensitised, europium–ferrocene containing, molecular film assembled by a novel nitrene-based strategy. Electrochemical modulation of europium emission upon switching the ferrocene moiety's redox... Read More about Reversible redox modulation of a lanthanide emissive molecular film.

Graphene oxide interfaces in serum based autoantibody quantification (2014)
Journal Article
Xu, Q., Cheng, H., Lehr, J., Patil, A., & Davis, J. (2015). Graphene oxide interfaces in serum based autoantibody quantification. Analytical Chemistry, 87(1), 346-350. https://doi.org/10.1021/ac503890e

A reliable quantification of protein markers will undoubtedly underpin profound developments in disease surveillance, diagnostics, and improved therapy. Although there potentially exist numerous means of achieving this, electrochemical impedimetric t... Read More about Graphene oxide interfaces in serum based autoantibody quantification.

Formation of thick aminophenyl films from aminobenzenediazonium ion in the absence of a reduction source (2014)
Journal Article
Simons, B., Lehr, J., Garrett, D., & Downard, A. (2014). Formation of thick aminophenyl films from aminobenzenediazonium ion in the absence of a reduction source. Langmuir, 30(17), 4989-4996. https://doi.org/10.1021/la501217n

Aminophenyl films, electrografted to conducting substrates from a solution of the corresponding diazonium ion, are a useful platform for building up functional surfaces. In our hands, reproducible preparation of aminophenyl films via electrografting... Read More about Formation of thick aminophenyl films from aminobenzenediazonium ion in the absence of a reduction source.

Label-free capacitive diagnostics : exploiting local redox probe state occupancy (2014)
Journal Article
Lehr, J., Fernandes, F., Bueno, P., & Davis, J. (2014). Label-free capacitive diagnostics : exploiting local redox probe state occupancy. Analytical Chemistry, 86(5), 2559-2564. https://doi.org/10.1021/ac403727h

An electrode surface confined redox group contributes to a substantial potential-dependent interfacial charging that can be sensitively probed and frequency-resolved by impedance-derived capacitance spectroscopy. In utilizing the sensitivity of this... Read More about Label-free capacitive diagnostics : exploiting local redox probe state occupancy.