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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(1), 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
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.

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.

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.-C., 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.

Mass transport of lipopolysaccharide induced H<inf>2</inf>O<inf>2</inf> detected by an intracellular carbon nanoelectrode sensor (2020)
Journal Article
Hicks, J., Silman, N. J., Jackson, S., Aylott, J., & Rawson, F. (2020). Mass transport of lipopolysaccharide induced H2O2 detected by an intracellular carbon nanoelectrode sensor. Bioelectrochemistry, 135, Article 107547. https://doi.org/10.1016/j.bioelechem.2020.107547

Hydrogen peroxide is a key component of the innate immune response, regulating how a cell responds to a bacterial threat; however, being transient in nature makes it extremely difficult to detect. We show the development of an improved biosensor capa... Read More about Mass transport of lipopolysaccharide induced H<inf>2</inf>O<inf>2</inf> detected by an intracellular carbon nanoelectrode sensor.

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.