Finzi-Hart J., J. Pett-Ridge, P. Weber, R. Popa, S. Fallon,
T. Gunderson, I. Hutcheon, K. Nealson and D. Capone, 2009, Fixation and fate of carbon and nitrogen in the cyanobacterium
Trichodesmium using nanometer Secondary Ion Mass Spectrometry (NanoSIMS), PNAS, 106:6345-6350.
R. Popa, R. Popa, M.J. Mashall, H. Nguyen and S. Brauer, 2009,
Requirements, Benefits and Limitations and of ARISA Intra-Genomic Diversity Fingerprinting, Journal of Microbiological Methods,
(DOI: 10.1016/j.mimet.2009.06.005; http://dx.doi.org/10.1016/j.mimet.2009.06.005).
Scorei R.I., V.M. Cimpoiaşu and R. Popa, 2007,
TD-1H NMR measurements show enantioselective dissociation of ribose and glucose in the presence of H217O,
Astrobiology, 7: 733-744.
R. Popa, P. Weber, J. Pett-Ridge, J. Finzi, S. Fallon, I.D. Hutcheon, K.H. Nealson and D.G. Capone,
2007, Carbon and nitrogen fixation and metabolite exchange in and between individual cells of Anabaena oscillarioides,
The ISME Journal, 1:354-360.
Capone D., R. Popa, B. Flood and K.H. Nealson, 2006, Follow the nitrogen, Science, 312:708-709.
Fisk
M.R., R. Popa, O.U. Mason, M.C. Storrie-Lombardi, and E.P. Vincenzi, 2006, Iron-magnesium silicate bioweathering on Earth
(and Mars?), Astrobiology, 5:48-68.
Nealson K.H. and R. Popa, 2005, Metabolic diversity in the microbial
world: relevance to exobiology, In: Gadd G.M., K.T. Temple and H.M. Lapin-Scott (eds.), Micro-organisms and Earth Systems,
Advances in Geomicrobiology, 151-171, Cambridge University Press.
Nealson K.H. and R. Popa, 2005, Introduction and Overview: What do we know for sure? Chapter 1. in
Lüttge A. and R. Rye (eds.), Quantitative Approaches Towards Biogeochemistry: Processes, Scaling,
and Interfaces, American Journal of Science, Yale University, New Haven, pp.1-21.
Abboud R., R. Popa, V. Souza-Egipsy, C.S. Giometti,
S. Tollaksen, J.J. Mosher, R.H. Findlay and K.H. Nealson, 2005, Low temperature growth of Shewanella oneidensis MR-1.
Appl. Environ. Microbiol. 71:811-816.
Popa R., 2004, Between Necessity and Probability: Searching for the Definition and Origin of Life, Springer-Verlag, Heidelberg,
Germany.
Kus E., R. Abboud, R. Popa, K. Nealson and F. Mansfeld, 2004, The concept of bacterial battery, Corrosion
Science, 47:1063-1069.
Popa R. and B.K. Kinkle, 2004, Controlled Mineralization of Pyrite by Thiomonas thermosulfatus
str.51, Geomicrobiol. J., 21:193-206.
Popa R., A. Badescu and B.K. Kinkle, Pyrite framboids as biomarkers for iron-sulfur systems, Geomicrobiol.
J. 21:1-14.
Fisk
M.R., M.C. Storrie-Lombardi, S. Douglas, G.D. McDonald, R. Popa and A.I. Tsapin, 2004, Evidence of Biological
Activity in Hawaiian Subsurface Basalts, Geochem. Geophys. Geosys, 4:1525-2027.
Cox L, R. Popa, K.H. Nealson and D. Bazylinsky, Organization of P-,
S- and Fe-inclusions in a freshwater Magnetococcus, Geomicrobiol. J., 19:387-406.