Oxygenated and nitrogenated polycyclic aromatic hydrocarbons in atmospheric particulate matter collected in the Amazon regin - Vasconcellos, Pérola de Castro; Alves, Nilmara de Oliveira; Caumo, Sofia Ellen da Silva; Brito, Joel; Artaxo Netto, Paulo Eduardo; Arana, Andrea; Batistuzzo, Silvia; Hacon, Sandra de Souza (EuCheMS International Conference on Chemistry and the Environmental (ICCE), 2015)