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Wireless electrical–molecular quantum signalling for cancer cell apoptosis (2023)
Journal Article
Jain, A., Gosling, J., Liu, S., Wang, H., Stone, E. M., Chakraborty, S., …Rawson, F. J. (2024). Wireless electrical–molecular quantum signalling for cancer cell apoptosis. Nature Nanotechnology, 19, 106-114. https://doi.org/10.1038/s41565-023-01496-y

Quantum biological tunnelling for electron transfer is involved in controlling essential functions for life such as cellular respiration and homoeostasis. Understanding and controlling the quantum effects in biology has the potential to modulate biol... Read More about Wireless electrical–molecular quantum signalling for cancer cell apoptosis.

Electrochemical Immunosensor for Ultra-Low Detection of Human Papillomavirus Biomarker for Cervical Cancer (2023)
Journal Article
Peteni, S., Ozoemena, O. C., Khawula, T., Haruna, A. B., Rawson, F. J., Shai, L. J., …Ozoemena, K. I. (2023). Electrochemical Immunosensor for Ultra-Low Detection of Human Papillomavirus Biomarker for Cervical Cancer. ACS Sensors, 8(7), 2761-2770. https://doi.org/10.1021/acssensors.3c00677

Human papillomavirus (HPV) is the causative agent for cervical cancer. Of the various types of HPV, the high-risk HPV-16 type is the most important antigenic high-risk HPV. In this work, the antigenic HPV-16 L1 peptide was immobilized on a glassy car... Read More about Electrochemical Immunosensor for Ultra-Low Detection of Human Papillomavirus Biomarker for Cervical Cancer.

Engineering nanowires in bacteria to elucidate electron transport structural–functional relationships (2023)
Journal Article
Myers, B., Catrambone, F., Allen, S., Hill, P. J., Kovacs, K., & Rawson, F. J. (2023). Engineering nanowires in bacteria to elucidate electron transport structural–functional relationships. Scientific Reports, 13(1), Article 8843. https://doi.org/10.1038/s41598-023-35553-2

Bacterial pilin nanowires are protein complexes, suggested to possess electroactive capabilities forming part of the cells’ bioenergetic programming. Their role is thought to be linked to facilitating electron transfer between cells and the external... Read More about Engineering nanowires in bacteria to elucidate electron transport structural–functional relationships.

Synthetic Biology Toolbox, Including a Single-Plasmid CRISPR-Cas9 System to Biologically Engineer the Electrogenic, Metal-Resistant Bacterium Cupriavidus metallidurans CH34 (2022)
Journal Article
Turco, F., Garavaglia, M., Van Houdt, R., Hill, P., Rawson, F. J., & Kovacs, K. (2022). Synthetic Biology Toolbox, Including a Single-Plasmid CRISPR-Cas9 System to Biologically Engineer the Electrogenic, Metal-Resistant Bacterium Cupriavidus metallidurans CH34. ACS Synthetic Biology, https://doi.org/10.1021/acssynbio.2c00130

Cupriavidus metallidurans CH34 exhibits extraordinary metabolic versatility, including chemolithoautotrophic growth; degradation of BTEX (benzene, toluene, ethylbenzene, xylene); high resistance to numerous metals; biomineralization of gold, platinum... Read More about Synthetic Biology Toolbox, Including a Single-Plasmid CRISPR-Cas9 System to Biologically Engineer the Electrogenic, Metal-Resistant Bacterium Cupriavidus metallidurans CH34.

Electric field responsive nanotransducers for glioblastoma (2022)
Journal Article
Jain, A., Jobson, I., Griffin, M., Rahman, R., Smith, S., & Rawson, F. J. (2022). Electric field responsive nanotransducers for glioblastoma. Bioelectronic Medicine, 8, Article 17. https://doi.org/10.1186/s42234-022-00099-7

Background Electric field therapies such as Tumor Treating Fields (TTFields) have emerged as a bioelectronic treatment for isocitrate dehydrogenase wild-type and IDH mutant grade 4 astrocytoma Glioblastoma (GBM). TTFields rely on alternating curre... Read More about Electric field responsive nanotransducers for glioblastoma.

The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study (2022)
Journal Article
Smith, F., Sabri, A. H., Heppel, M., Fonseca, I., Chowdhury, F., Cheung, K., …Marlow, M. (2022). The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study. International Journal of Pharmaceutics, 628, Article 122234. https://doi.org/10.1016/j.ijpharm.2022.122234

Microneedles have the clinical advantage of being able to deliver complex drugs across the skin in a convenient and comfortable manner yet haven't successfully transitioned to medical practice. Diabetes mellitus is a complicated disease, which is com... Read More about The clinical and translational prospects of microneedle devices, with a focus on insulin therapy for diabetes mellitus as a case study.

Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion (2022)
Journal Article
Myers, B., Hill, P., Rawson, F., & Kovacs, K. (2022). Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion. Johnson Matthey Technology Review, 66(4), 443-454. https://doi.org/10.1595/205651322X16548607638938

Traditional microbial synthesis of chemicals and fuels often rely on energy-rich feedstocks such as glucose, raising ethical concerns as they are directly competing with the food supply. Therefore, it is imperative to develop novel processes that rel... Read More about Enhancing Microbial Electron Transfer through Synthetic Biology and Biohybrid Approaches: Part I: Bioelectrochemistry for sustainable energy conversion.

Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria (2022)
Journal Article
Bennett, M. R., Moloney, C., Catrambone, F., Turco, F., Myers, B., Kovacs, K., …Gurnani, P. (2022). Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria. ACS Macro Letters, 11(8), 954-960. https://doi.org/10.1021/acsmacrolett.2c00372

Living organisms can synthesize a wide range of macromolecules from a small set of natural building blocks, yet there is potential for even greater materials diversity by exploiting biochemical processes to convert unnatural feedstocks into new abiot... Read More about Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria.

Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria (2022)
Journal Article
Gurnani, P., Bennett, M. R., Moloney, C., Catrambone, F., Turco, F., Myers, B., …Rawson, F. J. (2022). Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria. ACS Macro Letters, 11(8), 954-960. https://doi.org/10.1021/acsmacrolett.2c00372

Living organisms can synthesize a wide range of macromolecules from a small set of natural building blocks, yet there is potential for even greater materials diversity by exploiting biochemical processes to convert unnatural feedstocks into new abiot... Read More about Oxygen-Tolerant RAFT Polymerization Initiated by Living Bacteria.

Printing biohybrid materials for bioelectronic cardio-3D-cellular constructs (2022)
Journal Article
Sanjuan-Alberte, P., Whitehead, C., Jones, J. N., Silva, J. C., Carter, N., Kellaway, S., …Rawson, F. J. (2022). Printing biohybrid materials for bioelectronic cardio-3D-cellular constructs. iScience, 25(7), Article 104552. https://doi.org/10.1016/j.isci.2022.104552

Conductive hydrogels are emerging as promising materials for bioelectronic applications as they minimize the mismatch between biological and electronic systems. We propose a strategy to bioprint biohybrid conductive bioinks based on decellularized ex... Read More about Printing biohybrid materials for bioelectronic cardio-3D-cellular constructs.

Metallocatanionic vesicle-mediated enhanced singlet oxygen generation and photodynamic therapy of cancer cells (2022)
Journal Article
Sharma, B., Jain, A., Pérez-García, L., Watts, J. A., Rawson, F. J., Chaudhary, G. R., & Kaur, G. (2022). Metallocatanionic vesicle-mediated enhanced singlet oxygen generation and photodynamic therapy of cancer cells. Journal of Materials Chemistry B, 10(13), 2160-2170. https://doi.org/10.1039/d2tb00011c

In clinics, photodynamic therapy (PDT) is established as a non-invasive therapeutic modality for certain types of cancers and skin disease. However, due to poor water solubility, photobleaching, and the dark toxicity of photosensitizers (PSs), furthe... Read More about Metallocatanionic vesicle-mediated enhanced singlet oxygen generation and photodynamic therapy of cancer cells.

Engineering bacteria to control electron transport altering the synthesis of non-native polymer (2021)
Journal Article
Bennett, M. R., Jain, A., Kovacs, K., Hill, P. J., Alexander, C., & Rawson, F. J. (2021). Engineering bacteria to control electron transport altering the synthesis of non-native polymer. RSC Advances, 12, 451-457. https://doi.org/10.1039/d1ra06403g

The use of bacteria as catalysts for radical polymerisations of synthetic monomers has recently been established. However, the role of trans Plasma Membrane Electron Transport (tPMET) in modulating these processes is not well understood. We sort to s... Read More about Engineering bacteria to control electron transport altering the synthesis of non-native polymer.

Impedimetric Characterization of Bipolar Nanoelectrodes with Cancer Cells (2021)
Journal Article
Robinson, A. J., Jain, A., Rahman, R., Abayzeed, S., Hague, R. J., & Rawson, F. J. (2021). Impedimetric Characterization of Bipolar Nanoelectrodes with Cancer Cells. ACS Omega, 6(44), 29495-29505. https://doi.org/10.1021/acsomega.1c03547

Merging of electronics with biology, defined as bioelectronics, at the nanoscale holds considerable promise for sensing and modulating cellular behavior. Advancing our understanding of nanobioelectronics will facilitate development and enable applica... Read More about Impedimetric Characterization of Bipolar Nanoelectrodes with Cancer Cells.

Electric Field Induced Biomimetic Transmembrane Electron Transport Using Carbon Nanotube Porins (2021)
Journal Article
Hicks, J. M., Yao, Y., Barber, S., Neate, N., Watts, J. A., Noy, A., & Rawson, F. J. (2021). Electric Field Induced Biomimetic Transmembrane Electron Transport Using Carbon Nanotube Porins. Small, 17(32), Article 2102517. https://doi.org/10.1002/smll.202102517

Cells modulate their homeostasis through the control of redox reactions via transmembrane electron transport systems. These are largely mediated via oxidoreductase enzymes. Their use in biology has been linked to a host of systems including reprogram... Read More about Electric Field Induced Biomimetic Transmembrane Electron Transport Using Carbon Nanotube Porins.

Modulating the biological function of protein by tailoring the adsorption orientation on nanoparticles (2020)
Journal Article
Jain, A., Trindade, G. F., Hicks, J. M., Potts, J. C., Rahman, R., J. M. Hague, R., …Rawson, F. J. (2021). Modulating the biological function of protein by tailoring the adsorption orientation on nanoparticles. Journal of Colloid and Interface Science, 587, 150-161. https://doi.org/10.1016/j.jcis.2020.12.025

Protein orientation in nanoparticle-protein conjugates plays a crucial role in binding to cell receptors and ultimately, defines their targeting efficiency. Therefore, understanding fundamental aspects of the role of protein orientation upon adsorpti... Read More about Modulating the biological function of protein by tailoring the adsorption orientation on nanoparticles.

Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action (2020)
Journal Article
Wohlgemuth, F., Gomes, R. L., Singleton, I., Rawson, F. J., & Avery, S. V. (2020). Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action. Frontiers in Microbiology, 11, Article 575157. https://doi.org/10.3389/fmicb.2020.575157

© Copyright © 2020 Wohlgemuth, Gomes, Singleton, Rawson and Avery. We developed a top-down strategy to characterize an antimicrobial, oxidizing sanitizer, which has diverse proposed applications including surface-sanitization of fresh foods, and with... Read More about Top-Down Characterization of an Antimicrobial Sanitizer, Leading From Quenchers of Efficacy to Mode of Action.

Modulating the Biological Function of Protein by Tailoring the Adsorption Orientation on Nanoparticles (2020)
Other
Jain, A., Trindade, G., Hicks, J. M., Potts, J. C., Rahman, R., Hague, R., …Rawson, F. Modulating the Biological Function of Protein by Tailoring the Adsorption Orientation on Nanoparticles

Protein orientation in nanoparticle-protein conjugates plays a crucial role in binding to cell receptors and ultimately, defines their targeting efficiency. Therefore, understanding fundamental aspects of the role of protein orientation upon adsorpti... Read More about Modulating the Biological Function of Protein by Tailoring the Adsorption Orientation on Nanoparticles.

Iron Catalysed Radical Polymerisation by Living Bacteria (2020)
Journal Article
Bennett, M., Gurnani, P., Alexander, C., Hill, P., & Rawson, F. J. (2020). Iron Catalysed Radical Polymerisation by Living Bacteria. Angewandte Chemie International Edition, 59(12), 4750-4755. https://doi.org/10.1002/anie.201915084

The ability to harness cellular redox processes for abiotic synthesis might allow the preparation of engineered hybrid living systems. Towards this goal, we describe a new bacteria‐mediated Iron‐catalysed Reversible Deactivation Radical Polymerisatio... Read More about Iron Catalysed Radical Polymerisation by Living Bacteria.

Wireless Nanobioelectronics for Electrical Intracellular Sensing (2019)
Journal Article
Sanjuan-Alberte, P., Jain, A., Shaw, A. J., Abayzeed, S. A., Domínguez, R. F., Alea-Reyes, M. E., …Rawson, F. J. (2019). Wireless Nanobioelectronics for Electrical Intracellular Sensing. ACS Applied Nano Materials, 2(10), 6397-6408. https://doi.org/10.1021/acsanm.9b01374

For the field of bioelectronics to make an impact on healthcare, there is an urgent requirement for the development of “wireless” electronic systems to enable modulation of chemistry inside of cells. Herein we report on an intracellular wireless elec... Read More about Wireless Nanobioelectronics for Electrical Intracellular Sensing.

Multifunctional Bioinstructive 3D Architectures to Modulate Cellular Behavior (2019)
Journal Article
Vaithilingam, J., Sanjuan‐Alberte, P., Campora, S., Rance, G. A., Jiang, L., Thorpe, J., …Rawson, F. J. (2019). Multifunctional Bioinstructive 3D Architectures to Modulate Cellular Behavior. Advanced Functional Materials, 29(38), Article 1902016. https://doi.org/10.1002/adfm.201902016

Biological structures control cell behavior via physical, chemical, electrical, and mechanical cues. Approaches that allow us to build devices that mimic these cues in a combinatorial way are lacking due to there being no suitable instructive materia... Read More about Multifunctional Bioinstructive 3D Architectures to Modulate Cellular Behavior.

Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types (2019)
Journal Article
Sherman, H. G., Jovanovic, C., Abuawad, A., Kim, D., Collins, H., Dixon, J. E., …Rawson, F. J. (2019). Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types. BBA - Bioenergetics, 1860(8), 628-639. https://doi.org/10.1016/j.bbabio.2019.06.012

Trans-plasma membrane electron transfer (tMPET) is a process by which reducing equivalents, either electrons or reductants like ascorbic acid, are exported to the extracellular environment by the cell. TPMET is involved in a number of physiological p... Read More about Mechanistic insight into heterogeneity of trans-plasma membrane electron transport in cancer cell types.

Remotely controlled in situ growth of silver microwires forming bioelectronic interfaces (2019)
Journal Article
Sanjuan-Alberte, P., Saleh, E., Shaw, A. J., Lacalendola, N., Willmott, G., Vaithilingam, J., …Rawson, F. J. (2019). Remotely controlled in situ growth of silver microwires forming bioelectronic interfaces. ACS Applied Materials and Interfaces, 11(9), 8928-8936. https://doi.org/10.1021/acsami.8b22075

There is a pressing need to advance our ability to construct three-dimensional (3D) functional bioelectronic interfaces. Additionally, to ease the transition to building cellular electronic systems, a remote approach to merge electrical components wi... Read More about Remotely controlled in situ growth of silver microwires forming bioelectronic interfaces.

Reversible, High-Affinity Surface Capturing of Proteins Directed by Supramolecular Assembly (2019)
Journal Article
Di Palma, G., Kotowska, A. M., Hart, L. R., Scurr, D. J., Rawson, F. J., Tommasone, S., & Mendes, P. M. (2019). Reversible, High-Affinity Surface Capturing of Proteins Directed by Supramolecular Assembly. ACS Applied Materials and Interfaces, 11(9), 8937-8944. https://doi.org/10.1021/acsami.9b00927

The ability to design surfaces with reversible, high-affinity protein binding sites represents a significant step forward in the advancement of analytical methods for diverse biochemical and biomedical applications. Herein, we report a dynamic supram... Read More about Reversible, High-Affinity Surface Capturing of Proteins Directed by Supramolecular Assembly.

Mammalian cell-driven polymerisation of pyrrole (2018)
Journal Article
Sherman, H. G., Jain, A., Stolnik, S., Alexander, C., Rawson, F. J., & Hicks, J. (2018). Mammalian cell-driven polymerisation of pyrrole. ChemBioChem, 20(8), 1008-1013. https://doi.org/10.1002/cbic.201800630

A model cancer cell line was used to initiate polymerisation of pyrrole to form the conducting material polypyrrole. The polymerisation was shown to occur via cytosolic exudates rather than via membrane redox sites which normally control the oxidatio... Read More about Mammalian cell-driven polymerisation of pyrrole.

New perspectives on iron uptake in eukaryotes (2018)
Journal Article
Sherman, H. G., Jovanovic, C., Stolnik, S., Baronian, K., Downard, A. J., & Rawson, F. J. (2018). New perspectives on iron uptake in eukaryotes. Frontiers in Molecular Biosciences, 5(NOV), Article 97. https://doi.org/10.3389/fmolb.2018.00097

All eukaryotic organisms require iron to function. Malfunctions within iron homeostasis have a range of physiological consequences, and can lead to the development of pathological conditions that can result in an excess of non-transferrin bound iron... Read More about New perspectives on iron uptake in eukaryotes.

Wireless bioelectronic nanosystems for intracellular communication (2018)
Other
Sanjuán-Alberte, P., Abayzeed, S. A., Fuentes-Domínguez, R., Alea-Reyesd, M. E., Clark, M., Hague, R., …Rawson, F. (2018). Wireless bioelectronic nanosystems for intracellular communication

In order for the field of bioelectronics to make an impact on healthcare, there is an urgent requirement for the development of “wireless” electronic systems to both sense and actuate cell behaviour. Herein we report the first example of an innovativ... Read More about Wireless bioelectronic nanosystems for intracellular communication.

Electrochemically stimulating developments in bioelectronic medicine (2018)
Journal Article
Sanjuan-Alberte, P., Alexander, M. R., Hague, R. J., & Rawson, F. J. (2018). Electrochemically stimulating developments in bioelectronic medicine. Bioelectronic Medicine, 4(1), https://doi.org/10.1186/s42234-018-0001-z

Cellular homeostasis is in part controlled by biological generated electrical activity. By interfacing biology with electronic devices this electrical activity can be modulated to actuate cellular behaviour. There are current limitations in merging e... Read More about Electrochemically stimulating developments in bioelectronic medicine.

An electrochemical system for the study of trans-plasma membrane electron transport in whole eukaryotic cells (2018)
Journal Article
Sherman, H. G., Jovanovic, C., Stolnik, S., & Rawson, F. J. (in press). An electrochemical system for the study of trans-plasma membrane electron transport in whole eukaryotic cells. Analytical Chemistry, 90(4), https://doi.org/10.1021/acs.analchem.7b04853

The development of new assays to study trans-plasma membrane electron transport (tPMET) in eukaryotic systems is paramount for a number reasons, which include the further understanding of the underlying biology which can then potentially be applied t... Read More about An electrochemical system for the study of trans-plasma membrane electron transport in whole eukaryotic cells.

Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium (2017)
Journal Article
Wong, Z. Y., Scurr, D. J., Silman, N., Jackson, S. K., Mendes, P. M., Aylott, J. W., …Hicks, J. (2017). Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium. Langmuir, 33(20), 4924-4933. https://doi.org/10.1021/acs.langmuir.7b00494

Our ability to tailor the electronic properties of surfaces by nanomodification is paramount for various applications, including development of sensing, fuel cell, and solar technologies. Moreover, in order to improve the rational design of conductin... Read More about Tailoring the electrochemical properties of carbon nanotube modified indium tin oxide via in situ grafting of aryl diazonium.

Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes (2016)
Journal Article
Rawson, F. J., Cole, M., Aylott, J. W., Milne, W., Collins, C., Jackson, S. K., …Hicks, J. (in press). Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes. Scientific Reports, 6(37672), https://doi.org/10.1038/srep37672

With the rapidly increasing demands for ultrasensitive biodetection, the design and applications of new nano-scale materials for development of sensors based on optical and electrochemical transducers have attracted substantial interest. In particula... Read More about Electrochemical communication with the inside of cells using micro-patterned vertical carbon nanofibre electrodes.

Fast, ultrasensitive detection of reactive oxygen species using a carbon nanotube based-electrocatalytic intracellular sensor (2015)
Journal Article
Rawson, F. J., Dodd, N., Abate, W., Garrett, D. J., Yip, N., Fejer, G., …Hicks, J. (2015). Fast, ultrasensitive detection of reactive oxygen species using a carbon nanotube based-electrocatalytic intracellular sensor. ACS Applied Materials and Interfaces, 7(42), https://doi.org/10.1021/acsami.5b06493

Herein, we report a highly sensitive electrocatalytic sensor-cell construct that can electrochemically communicate with the internal environment of immune cells (e.g., macrophages) via the selective monitoring of a particular reactive oxygen species... Read More about Fast, ultrasensitive detection of reactive oxygen species using a carbon nanotube based-electrocatalytic intracellular sensor.

Electronic communication of cells with a surface mediated by boronic acid saccharide interactions (2015)
Journal Article
Stephenson-Brown, A., Yong, S., Mansor, M. H., Hussein, Z., Yip, N., Mendes, P. M., …Rawson, F. J. (2015). Electronic communication of cells with a surface mediated by boronic acid saccharide interactions. Chemical Communications, 51(97), https://doi.org/10.1039/C5CC04311E

The fabrication of a molecularly tailored surface functionalised with a saccharide binding motif, a phenyl boronic acid derivative is reported.The functionalised surface facilitated the transfer of electrons, via unique electronic interactions mediat... Read More about Electronic communication of cells with a surface mediated by boronic acid saccharide interactions.

New insights into electrocatalysis based on plasmon resonance for the real-time monitoring of catalytic events on single gold nanorods (2014)
Journal Article
Jing, C., Rawson, F. J., Zhou, H., Shi, X., Li, W., Li, D., & Long, Y. (2014). New insights into electrocatalysis based on plasmon resonance for the real-time monitoring of catalytic events on single gold nanorods. Analytical Chemistry, 86(11), 5513-5518. doi:10.1021/ac500785u

Gold nanoparticles (GNPs) have been widely applied in industrial catalysis and electrocatalysis. Owing to their wide variety of shapes, sizes, and compositions, a range of different catalytic properties is possible. Thus, it is important to monitor c... Read More about New insights into electrocatalysis based on plasmon resonance for the real-time monitoring of catalytic events on single gold nanorods.