@article{cornélio_1997,  title={Electron transfer by singlet excited state of porphyn and electron acceptor affinity in rigid medium: photoacoustic phase angle analysis},  volume={22},  ISSN={0100-4670},  url={https://doi.org/10.1590/S0100-46701997000100008},  DOI={10.1590/S0100-46701997000100008},  journal={Eclética Química},  publisher={Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP},  author={CORNÉLIO, Marinônio Lopes},  year={1997},  pages={83–92} }