staphylococcus aureus

staphylococcus peptidoglycan biotechnology contamination biochemistry microbiology healthcare background microscope bacterium infection doctorate microbial scientist selective undefined bacteria positive staining clusters lavender analysis isolated compound microbes research quadrant appears pattern drawing disease hygiene biology blurred defocus illness science aureus purple flower circle violet design sketch parker colony safety health motion streak single stain thick round cells petal plant baird cocci human plate focus yeast gram flooring textile number lilac organ blue font line pink text art