Fig 5. Cards of samples tested for specificity determination.

A) testing of a metronidazole sample; B) testing of moxifloxacin sample; C) testing of levofloxacin sample; D) testing of norfloxacin sample; E) testing of ofloxacin sample. Lanes D and L were positive with blue and orange colors respectively for cards C (Levofloxacin sample), D (Norfloxacin samples), and E (Ofloxacin samples). The coloration of lane D for card B (Moxifloxacin) tends to green color.