Development of a portable holographic lens-free microscope for cells and microorganisms observation - D'Almeida, Camila de Paula; Oliveira, Natalia Portes de; Carvalho, Felipe Aguiar de; Feitosa, Patrick Oliveira; Kuramoto, Cesar Yudi; Pratavieira, Sebastião (Saratov Fall Meeting - SFM, 2021)