Graphene is an allotrope (form) of carbon consisting of a single layer of carbon atoms arranged in an hexagonal lattice. It is the basic structural element of many other allotropes of carbon, such as graphite, charcoal, carbon nanotubes and fullerenes.
In cases where surgery and radiation are combined, proton therapy is an ideal part of brain cancer treatment. Different brain tumors require different doses of radiation for control and eradication. Like any other organ in the body, the brain can only tolerate a limited amount of radiation.
Historically, proton therapy has been used to treat patients across a spectrum of malignancies and benign diseases for which radiation therapy is indicated. Proton radiotherapy may be seen as an alternative technology for the delivery of radiation treatment.. Treatment Localization and Motion Management. Proton therapy is a form of image-guided radiation therapy (IGRT) and should be administered in concordance. with the ACRâASTRO Practice Parameter for Image Guided Radiation Therapy (IGRT) [. ].