Cosmo Bio Usa Inc PAP Pen Super-Liquid Blocker
Ready-to-use hydrophobic barrier pen designed for immunohistochemistry applications This ready-to-use hydrophobic barrier pen is designed for immunohistochemistry applications. The surface tension provided by the circle, square, or any other shapes drawn to t tissue sections with the pen, ensures that only the amountof antibody solution needed for the su cient reaction will be applied. The pen is stable up to 129 °C in microwave heat. The PAP Pen is an effective tool for immunostaining procedures by the Peroxidase-Antiperoxidase (PAP) method, ABC method, LSAB method, polymeric method, immuno uorescence method, ASD method, Enzyme method and Frozen Section method. For paraffin sections, the PAP Pen should be applied after deparanization. For frozen sections, the PAP Pen can be applied after fixation.