Figure 3From: Potential of silver against human colon cancer: (synthesis, characterization and crystal structures of xylyl (Ortho, meta, & Para) linked bis-benzimidazolium salts and Ag(I)-NHC complexes: In vitroanticancer studies)FT-IR overly spectra of Ag(I)-NHC complexes (11-13. 2PF 6 ). The strong intense bands labeled as 1 in solid red box provided the preliminary confirmation of the formation of Ag(I)-NHC complexes.Back to article page