Auto-updated from Scopus profile.

Loading publications…

Publication list (by date)

  • Santos, R., Felipe, L., & Meloni, G. (2026). Theory in Practice: Testing the Limits of the Randles–Ševčík Equation. ACS Electrochemistry.

  • Felipe, L., & Meloni, G. (2026). Simple Fabrication Method of Needle-Type Carbon-Disk Microelectrodes Using Conductive Thermoplastics. ChemElectroChem, 13(1), e202500335.

  • Hill, M., Meloni, G., Frenguelli, B., & Unwin, P. (2025). Transient single cell hypoxia induced by localized galvanostatic oxygen challenge. ACS Measurement Science Au, 5(2), 234–241.

  • De Farias, D., Meloni, G., & Paixão, T. (2025). Tunable Mass Transport and Enhanced Electrochemical Performance of CO2 Laser Engraved Electrodes. Advanced Materials Technologies, e01374.

  • Santos, R., Paixão, T., & Meloni, G. (2025). Coulometric Titration Experimental Practice for Undergraduate Laboratories: A 1960s Twist to a Modern Coulometer. Journal of Chemical Education, 102(2), 654–660.

  • Cremin, K., Meloni, G., Soyer, O., & Unwin, P. (2025). Single-Cell Analysis with Spatiotemporal Control of Local pH. ACS Measurement Science Au, 5(1), 120–129.

  • Silva-Neto, H., Lima, L., Rocha, D., Ataide, V., Meloni, G., Moro, G., Raucci, A., Cinti, S., Paixão, T., Araujo, W., & others (2024). Recent achievements of greenness metrics on paper-based electrochemical (bio) sensors for environmental and clinical analysis. TrAC Trends in Analytical Chemistry, 117675.

  • Pradela-Filho, L., Araujo, D., Ataide, V., Meloni, G., & Paixão, T. (2024). Challenges faced with 3D-printed electrochemical sensors in analytical applications. Analytical and Bioanalytical Chemistry, 1–12.

  • Blasques, R., Camargo, J., Veloso, W., Meloni, G., Fernandes, F., Germinare, B., Silva, L., Siervo, A., Paixão, T., & Janegitz, B. (2024). Green fabrication and analytical application of disposable carbon electrodes made from fallen tree leaves using a CO2 laser. ACS Sustainable Chemistry & Engineering, 12(8), 3061–3072.

  • Veloso, W., Meloni, G., Arantes, I., Pradela-Filho, L., Muñoz, R., & Paixão, T. (2024). Gold film deposition by infrared laser photothermal treatment on 3D-printed electrodes: electrochemical performance enhancement and application. Analyst, 149(15), 3900–3909.

  • Veloso, W., Paixão, T., & Meloni, G. (2024). The current shortcomings and future possibilities of 3D printed electrodes. Analytical Chemistry, 96(36), 14315–14319.

  • Valavanis, D., Ciocci, P., McPherson, I., Meloni, G., Lemineur, J.F., Kanoufi, F., & Unwin, P. (2024). Operando Electrochemical and Optical Characterization of the Meniscus of Scanning Electrochemical Cell Microscopy (SECCM) Probes. ACS Electrochemistry, 1(2), 153–163.

  • Silva, F., Santos, C., Meloni, G., Lima, A., & Bertotti, M. (2023). Increased sensitivity of ascorbate detection by mediated oxidation in confined electrochemical cells. Electroanalysis, 35(1), e202100696.

  • Ciocci, P., Valavanis, D., Meloni, G., Lemineur, J.F., Unwin, P., & Kanoufi, F. (2023). Optical Super-Localisation of Single Nanoparticle Nucleation and Growth in Nanodroplets. ChemElectroChem, 10(9), e202201162.

  • Veloso, W., Paixão, T., & Meloni, G. (2023). 3D printed electrodes design and voltammetric response. Electrochimica Acta, 449, 142166.

  • Cremin, K., Meloni, G., Valavanis, D., Soyer, O., & Unwin, P. (2023). Can single cell respiration be measured by scanning electrochemical microscopy (SECM)?. ACS Measurement Science Au, 3(5), 361–370.

  • Varhade, S., Meloni, G., Tetteh, E., Kim, M., Schumacher, S., Quast, T., Andronescu, C., Unwin, P., & Schuhmann, W. (2023). Elucidation of alkaline electrolyte-surface interaction in SECCM using a pH-independent redox probe. Electrochimica Acta, 460, 142548.

  • Negahdary, M., Veloso, W., Bacil, R., Buoro, R., Gutz, I., Paixão, T., Lago, C., Sakata, S., Meloni, G., França, M., & others (2023). Aptasensing of beta-amyloid (Aβ (1-42)) by a 3D-printed platform integrated with leaf-shaped gold nanodendrites. Sensors and Actuators B: Chemical, 393, 134130.

  • Farias, D., Pradela-Filho, L., Arantes, I., Gongoni, J., Veloso, W., Meloni, G., & Paixão, T. (2023). Sulfanilamide electrochemical sensor using phenolic substrates and CO2 laser pyrolysis. ACS Applied Materials & Interfaces, 15(48), 56424–56432.

  • Silva-Neto, H., Arantes, I., Ferreira, A., Nascimento, G., Meloni, G., Araujo, W., Paixão, T., & Coltro, W. (2023). Recent advances on paper-based microfluidic devices for bioanalysis. TrAC Trends in Analytical Chemistry, 158, 116893.

  • Valavanis, D., Ciocci, P., Meloni, G., Morris, P., Lemineur, J.F., McPherson, I., Kanoufi, F., & Unwin, P. (2022). Hybrid scanning electrochemical cell microscopy-interference reflection microscopy (SECCM-IRM): tracking phase formation on surfaces in small volumes. Faraday Discussions, 233, 122–148.

  • Wahab, O., Kang, M., Meloni, G., Daviddi, E., & Unwin, P. (2022). Nanoscale visualization of electrochemical activity at indium tin oxide electrodes. Analytical Chemistry, 94(11), 4729–4736.

  • Caniglia, G., Tezcan, G., Meloni, G., Unwin, P., & Kranz, C. (2022). Probing and visualizing interfacial charge at surfaces in aqueous solution. Annual Review of Analytical Chemistry, 15(1), 247–267.

  • Silva, F., Meloni, G., Lima, A., & Bertotti, M. (2022). Enhancing the sensitivity towards iodide detection by coupling SECM and an EC catalytic mechanism. Journal of Electroanalytical Chemistry, 919, 116543.

  • Lima, A., Lima, A., Meloni, G., Santos, C., & Bertotti, M. (2021). Perovskite-Type Oxides La0.6M0.4Ni0.6Cu0.4O3 (M= Ag, Ba, Ce) towards the Oxygen Reduction Reaction (ORR) in Alkaline Medium: Structural Aspects and Electrocatalytic Activity. Journal of the Brazilian Chemical Society, 32, 665–674.

  • Santos, C., Macedo, F., Kowaltowski, A., Bertotti, M., Unwin, P., Cunha, F., & Meloni, G. (2021). Unveiling the contribution of the reproductive system of individual Caenorhabditis elegans on oxygen consumption by single-point scanning electrochemical microscopy measurements. Analytica Chimica Acta, 1146, 88–97.

  • Teahan, J., Perry, D., Chen, B., McPherson, I., Meloni, G., & Unwin, P. (2021). Scanning ion conductance microscopy: surface charge effects on electroosmotic flow delivery from a nanopipette. Analytical Chemistry, 93(36), 12281–12288.

  • McPherson, I., Brown, P., Meloni, G., & Unwin, P. (2021). Visualization of ion fluxes in nanopipettes: detection and analysis of electro-osmosis of the second kind. Analytical Chemistry, 93(49), 16302–16307.

  • Liu, D.Q., Kang, M., Perry, D., Chen, C.H., West, G., Xia, X., Chaudhuri, S., Laker, Z., Wilson, N., Meloni, G., & others (2021). Adiabatic versus non-adiabatic electron transfer at 2D electrode materials. Nature Communications, 12(1), 7110.

  • Edmondson, J., Meloni, G., Costantini, G., & Unwin, P. (2020). Synchronous Electrical Conductance- and Electron Tunnelling-Scanning Electrochemical Microscopy Measurements. ChemElectroChem, 7(3), 697–706.

  • Schofield, Z., Meloni, G., Tran, P., Zerfass, C., Sena, G., Hayashi, Y., Grant, M., Contera, S., Minteer, S., Kim, M., & others (2020). Bioelectrical understanding and engineering of cell biology. Journal of the Royal Society Interface, 17(166), 20200013.

  • Cremin, K., Jones, B., Teahan, J., Meloni, G., Perry, D., Zerfass, C., Asally, M., Soyer, O., & Unwin, P. (2020). Scanning ion conductance microscopy reveals differences in the ionic environments of gram-positive and negative bacteria. Analytical Chemistry, 92(24), 16024–16032.

  • Morris, P., McPherson, I., Meloni, G., & Unwin, P. (2020). Nanoscale kinetics of amorphous calcium carbonate precipitation in H2O and D2O. Physical Chemistry Chemical Physics, 22(38), 22107–22115.

  • Bentley, C., Edmondson, J., Meloni, G., Perry, D., Shkirskiy, V., & Unwin, P. (2018). Nanoscale electrochemical mapping. Analytical Chemistry, 91(1), 84–108.

  • Meloni, G., & Bertotti, M. (2017). Ring-disc Microelectrodes towards Glutathione Electrochemical Detection. Electroanalysis, 29(3), 787–793.

  • Carneiro, J., Trevelin, L., Lima, A., Meloni, G., Bertotti, M., Hammer, P., Bertazzoli, R., & Lanza, M. (2017). Synthesis and characterization of ZrO2/C as electrocatalyst for oxygen reduction to H2O2. Electrocatalysis, 8, 189–195.

  • Meloni, G. (2017). 3D printed and microcontrolled: the one hundred dollars scanning electrochemical microscope. Analytical Chemistry, 89(17), 8643–8649.

  • Meloni, G., & Bertotti, M. (2017). 3D printing scanning electron microscopy sample holders: A quick and cost effective alternative for custom holder fabrication. PLoS One, 12(7), e0182000.

  • Momotenko, D., McKelvey, K., Kang, M., Meloni, G., & Unwin, P. (2016). Simultaneous interfacial reactivity and topography mapping with scanning ion conductance microscopy. Analytical Chemistry, 88(5), 2838–2846.

  • Bueno, L., Meloni, G., Reddy, S., & Paixão, T. (2015). Use of plastic-based analytical device, smartphone and chemometric tools to discriminate amines. RSC Advances, 5(26), 20148–20154.

  • Salles, M., Meloni, G., De Araujo, W., & Paixão, T. (2014). Explosive colorimetric discrimination using a smartphone, paper device and chemometrical approach. Analytical Methods, 6(7), 2047–2052.

  • Lima, A., Meloni, G., & Bertotti, M. (2013). Determination of paracetamol in presence of ascorbic acid in pharmaceutical products by scanning electrochemical microscopy. Electroanalysis, 25(6), 1395–1399.