A schematic illustration of size-tunable PEG-grafted copolymers (gPEGs) for optimizing the passive glioblastoma multiforme (GBM)concentrating on. MW, molecular weight; BBTB, blood−mind tumor barrier; i.v., intravenous; RES, reticuloendothelial system. Credit score: Kanjiro Miyata’s Lab At the moment, there isn’t any efficient remedy for glioblastoma multiforme (GBM), essentially the most frequent and malignant sort of mind tumor.