Photosensitizes For Photodynamic Therapy Of Tumor (PDT)
Introduction The idea of photodynamic therapy (PDT) started in 1900. The discovery was made accidentally by a medical student in Munich who found that microorganisms like paramecia can be killed if they are exposed to light but not when kept in the dark. The moment it was discovered that the presence of oxygen in the air was essential for the light-mediated death effect to occur, it led to the coining

