PAP PEN is designed to provide a water repellant barrier when a circle is drawn around a specimen. The barrier of the PAP PEN retains antisera within the defined area and ensures, that only the amount of antibody needed for sufficient reaction is used.

• PAP PEN stops spreading, reduces waste and divides slides into discret areas for immunostaining, histology, cytology, cell culture, virology, microbiology
• PAP PEN is effective for immunostaining, PAP method, ABC method, ASD method, enzyme and frozen section methods
• The staining is unsoluble in acetone and alcohol and can be removed if desired by xylene after the staining procedure