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Interdisciplinary Nanoscience Center

Biofilm group (Prof. Rikke Louise Meyer)

The group

My research combines microbiology and nanotechnology in pursuit of understanding how biofilms establish, and how they can be controlled.

Investigation of fundamental mechanisms in bacterial adhesion and biofilm formation, particularly the role of extracellular DNA.
Development of new approaches to control biofilms and treat biofilm infections through targeted drug delivery, novel antibiotics and nanobiotics, and non-biocidal biofilm control with e.g. enzymes or salinity oscillation.

2025 highligts

Ajunwa, O. M., Minero, G. A. S., Jensen, S. D. & Meyer, R. L. (2025). Hemin-binding DNA structures on the surface of bacteria promote extracellular electron transfer. Nucleic Acids Research, 53(15), Article gkaf790. https://doi.org/10.1093/nar/gkaf790

Dybtved, M. S., Petersen, M. E., Firdausy, A. F., Johansen, M. I., Faddy, E., Gadeberg, C., Østergaard, L., Jørgensen, N. P., Glud, L. N., Søgaard, A. B., Meyer, R. L. & Zelikin, A. N. (2025). Broad-Spectrum Antimicrobial Treatment Targeted Through Drug Conjugation to Vancomycin. Advanced Healthcare Materials, Article e03932. Advance online publication. https://doi.org/10.1002/adhm.202503932

Evans, D. C. S., Kristensen, M. F., Minero, G. A. S., Palmén, L. G., Knap, I., Tiwari, M. K., Schlafer, S. & Meyer, R. L. (2025). Dental biofilms contain DNase I-resistant Z-DNA and G-quadruplexes but alternative DNase overcomes this resistance. npj Biofilms and Microbiomes, 11(1), Article 80. https://doi.org/10.1038/s41522-025-00694-x

Petersen, M. E., Khamas, A. B., Østergaard, L. J., Jørgensen, N. P. & Meyer, R. L. (2025). Combination therapy delays antimicrobial resistance after adaptive laboratory evolution of Staphylococcus aureus. Antimicrobial Agents and Chemotherapy, 69(4), Article e01483-24. https://doi.org/10.1128/aac.01483-24

Del Rey, Y. C., Rikvold, P. D., Lund, M. B., Raittio, E. J., Schramm, A., Meyer, R. L. & Schlafer, S. (2025). Arginine modulates the pH, microbial composition, and matrix architecture of biofilms from caries-active patients. International Journal of Oral Science, 17(1), Article 70. https://doi.org/10.1038/s41368-025-00404-5

Recent publications

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Meyer, R. L., Risgaard-Petersen, N. & Allen, D. E. (2005). Correlation between anaerobic ammonium oxidation and the microscale distribution of nitrite in a subtropical mangrove sediment. Applied and Environmental Microbiology, 71, 6142-6149.

Meyer, R. L., Saunders, A. M. & Blackall, L. L. (2005). Novel glycogen-accumulating organism relevant to EBPR. Paper presented at Activated Sludge Population Dynamics, Goldcoast, Australia.

Risgaard-Petersen, N., Meyer, R. L., Schmid, M., Jetten, M. S. M., Enrich-Prast, A., Rysgaard, S. & Revsbech, N. P. (2004). Anaerobic ammonium oxidation in an estuarine sediment. Aquatic Microbial Ecology, 36, 293-304.

McMurray, S. H., Meyer, R. L., Zeng, R. J., Yuan, Z. & Keller, J. (2004). Integration of titrimetric measurement, off-gas analysis and NOx- biosensors to investigate the complexity of denitrification processes. Water Science and Technology, 50, 135-141.

Meyer, R. L., Zeng, R., Giugliano, V., Keller, J. & Blackall, L. L. (2004). Production of N₂O from denitrifying bacteria using stored carbon as electron donor. Paper presented at International Symposium for Microbial Ecology, Cancun, Mexico.

Meyer, R. L. & Allen, D. (2004). Production of N₂O from nitrification and denitrification in mangrove sediment – a microsensor study. Paper presented at ESCA 37 - Estuaries and Change, Ballina, Australia.

Risgaard-Petersen, N., Nielsen, L. P., Rysgaard, S., Dalsgaard, T. & Meyer, R. L. (2003). Application of the isotope pairing technique in sediments where anammox and denitrification coexist. Limnology and Oceanography: Methods, 1, 63-73.

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Collaborations with industry

Revised 04.02.2026

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Lise Refstrup Linnebjerg Pedersen