**Acknowledgements**

We thank the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (800,304/2012-8, 800,470/2013-3, 800,708/2014-8), the Foundation for Research and Innovation Support of Espírito Santo (FAPES) (54,623,804/11, 0945/2015, 0388/2016) and the Federal Institute of Espírito Santo for financial support of the scientific initiation grants. We also thank the access to equipment and assistance provided by the National Institute of Science and Technology on Photonics Applied to Cell Biology (INFABIC) at the State University of Campinas for the confocal microscopy analysis. INFABIC is co-funded by Fundação de Amparo a Pesquisa do Estado de São Paulo (FAPESP) (2014/50938-8) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (465,699/2014-6).

We also thank the Prof. Tebello Nyokong from Rhodes University (South Africa), the Prof. Mahmut Durmus from Gebze Technical University (Turkey) and Prof. Mathias O. Senge from Trinity College Dublin (Ireland) for providing samples of the new synthesized photosensitizers so that our group could carry out some of the works cited in the text.

*Synergic Influence of Parameters Involved in the Polymeric Nanoparticle Preparation… DOI: http://dx.doi.org/10.5772/intechopen.94176*
