Detection of bioavailable heavy metals in EILATox-Oregon samples using whole-cell luminescent bacterial sensors in suspension or immobilized onto fibre-optic tipsHakkila, K.; Green, T.; Leskinen, P.; Ivask, Angela; Marks, R.; Virta, MarkoJournal of applied toxicology2004 / 5, p. 333-342 https://pubmed.ncbi.nlm.nih.gov/15478176/

Optical fiber biosensor for the detection of mercuryGreen, T.; Ivask, Angela; Polyak, B.; Virta, Marko; Marks, R.Toxicology letters2002 / p. S58-S59