Abstract
Staphylococcus coagulase negative (SCoN) are one of the most isolated bacteria in microbiology laboratories around the world. Such microorganisms are responsible to colonize skin, mucous and membranes. Among SCoN, the specie most clinically relevant is Staphylococcus epidermidis due to the adaptative ability to adhere and formation of biofilm in medical devices. Biofilms are defined as c…