Article 2 Dryobalanops chemistry 2 3T3 cell line 1 Ampelopsin E 1 Apoptosis 1 Camphor 1 Cell Cycle Checkpoints 1 Cell Line, Tumor 1 Cell cycle arrest 1 Cytotoxicity 1 Dipterocarpaceae 1 Dryobalanops extract 1 Dryobalanops sp 1 Energy-Generating Resources 1 Flavonoids 1 G2 phase cell cycle checkpoint 1 HT 29 cell line 1 HeLa cell line 1 Humans 1 Hydrogen 1 IC50 1 M phase cell cycle checkpoint 1 MCF 7 cell line 1 MDA MB 231 cell 1 MTT assay 1 Nanotechnology 1 Nanotubes, Carbon 1 Plant Extracts 1 Plant Oils 1