Biological materials Biogeochemistry 16 Soils 10 article 10 Argentina 8 Biomaterials 8 Isotopes 8 Organic carbon 8 Organic compounds 8 organic matter 8 Adsorption 6 Trace elements 6 adsorption 6 nonhuman 6 priority journal 6 Adsorption capacities 4 Animals 4 Biosorption 4 Carbon 4 Carbon dioxide 4 Crosslinking 4 Deposition 4 Depositional sequences 4 Drug products 4 Groundwater 4 Hydrogen-Ion Concentration 4 Mechanical properties 4 Metals 4 Monomers 4 Neuquen Basin 4