A vaginal pH exceeding a value of 4.5; The presence of so-called clue cells – vaginal epithelial ... As an alternative, Gram-stain-based microbiological diagnosis of BV has been proposed.

Gram-positive bacteria have thick cell walls. A Gram stain test, which involves a chemical dye, stains the bacterium’s cell wall purple. On the other hand, gram-negative bacteria stain pink instead.

rapidly processing the 3D optical scattering information of bacterial cells to digitally stain label-free bacteria, matching the traditional Gram staining results. "Traditional Gram staining ...

The aim of this prospective study was to assess the validity of the Gram stain–acridine orange leukocyte cytospin (AOLC) test for the diagnosis of CRBI in hematopoietic stem cell transplant ...