tokens: Since PDTC has both antioxidant and metal-ion chelating activities , we tested the effects of N-acetyl-L-cysteine ( NAC ) ( antioxidant ) or o-phenanthroline ( OP ) ( metal-ion chelator ) on the induction of apoptosis .
folded_tokens: since pdtc has both antioxidant and metal-ion chelating activities , we tested the effects of n-acetyl-l-cysteine ( nac ) ( antioxidant ) or o-phenanthroline ( op ) ( metal-ion chelator ) on the induction of apoptosis .
labels: O B-other_organic_compound O O B-other_organic_compound O B-other_name I-other_name I-other_name O O O O O O B-amino_acid_monomer O B-amino_acid_monomer O O B-other_name O O B-other_organic_compound O B-other_organic_compound O O B-other_name I-other_name O O O O O B-other_name O