Preparation of various metal nanoparticles using plant extracts has been well studied in recent years. In this study, we found that synthesized the inflorescence Cocos nucifera exhibited differential inhibitory activity against Escherichia coli depending on nature bacterial culture source. Incorporation silver (Ag-NPs) into nutrient broth E. resulted poor activity. However, when are added to ag...

The aim of this study is to present the anthracological results from three archaeological sites located in North, North West and South East Sri Lanka. based on observation analysis 1689 charcoal fragments using for support reference collection Indian wood at Institute Archaeology ( UCL), Inside Wood (2004-onwards) several anatomy atlases. Mantai (200 BCE-850 CE), an urban site, has yielded 25 t...