EDITORIAL NOTE A special year for the AABC

Alexander W. A. Kellner, Rogerio Meneghini.

The hypersurfaces with conformal normal Gauss map in Hn+1 and S1n+1

Shuguo Shi.

Characterisation of solvent extractable organic constituents in atmospheric particulate matter: an overview

Célia A. Alves.

Erratum to "Production of transgenic goat (Capra hircus) with human Granulocyte Colony Stimulating Factor (hG-CSF) gene in Brazil" [An Acad Bras Cienc 79(2007): 585-592]

The role of MHC haplotypes H2d/H2b in mouse resistance/susceptibility to cyst formation is influenced by the lineage of infective Toxoplasma gondii strain

Marianne G. Resende, Blima Fux, Bráulia C. Caetano, Erica A. Mendes, Neide M. Silva, Adriana M. Ferreira, Maria Norma Melo, Ricardo W. A. Vitor, Ricardo T. Gazzinelli.

Amazon Forest Maintenance as a Source of Environmental Services

Philip Martin Fearnside.

The evidence for hippocampal long-term potentiation as a basis of memory for simple tasks

Jorge H. Medina, Iván Izquierdo, Martín Cammarota, Weber C. da Silva, Lia R.M. Bevilaqua, Janine I. Rossato, Juliana S. Bonini, Pamela Mello, Fernando Benetti, Jaderson C. Costa.

Inhibition of caspase-8 activity reduces IFN-y expression by T cells from Leishmania major infection

Wânia F. Pereira, Landi V.C. Guillermo, Flávia L. Ribeiro-Gomes, Marcela de Freitas Lopes.

High susceptibility of activated lymphocytes to oxidative stress-induced cell death

Giovanna R. Degasperi, Roger F. Castilho, Aníbal E. Vercesi.

Correlation between voxel based morphometry and manual volumetry in magnetic resonance images of the human brain

Ricardo R. Uchida, Cristina M. del-Ben, David Araújo, Geraldo Busatto, Fábio L. S. Duran, José A. S. Crippa, Frederico G. Graeff.

Active transcription and ultrastructural changes during Trypanosoma cruzi metacyclogenesis

Ludmilar R. P. Ferreira, Fernando de M. Dossin, Thiago C. Ramos, Edna Freymüller, Sergio Schenkman.

COL18A1 is highly expressed during human adipocyte differentiation and the SNP c.1136C>T in its "frizzled" motif is associated with obesity in diabetes type 2 patients

Maria Rita Passos-Bueno, Flavia I. V. Errera, Luís H. Canani, Erika Yeh, Érika Kague, Lucia M. Armelin-Corrêa, Oscar T. Suzuki, Balduíno Tschiedel, Maria Elizabeth R. Silva, Andréa L. Sertié.

Cyclic nitroxides inhibit the toxicity of nitric oxide-derived oxidants: mechanisms and implications

Ohara Augusto, Daniel F. Trindade, Edlaine Linares, Sandra M. Vaz.

Vegetation and hydrology changes in Eastern Amazonia inferred from a pollen record

Mauro B. de Toledo, Mark B. Bush.

Deficit of sand in a sediment transport model favors coral reef development in Brazil

Abílio C.S.P. Bittencourt, Zelinda M.A.N. Leão, Ruy K.P. Kikuchi, José M.L. Dominguez.