Figure 7From: Protective effects of in vitro treatment with zinc, d-aspartate and coenzyme q10 on human sperm motility, lipid peroxidation and DNA fragmentationEffects of zinc, D-Asp and CoQ10 on sperm DNA fragmentation. A) Sperm suspensions of normospermic (n = 4) and oligospermic (n = 4) samples labeled through the TUNEL assay (pooled data). B) Representative micrograph of spermatozoa labeled with Hoechst (blue) and TUNEL (green). Bar, 20 μm # # Significant differences versus control at 0 h (P < 0.01); ** Significant differences versus control at 6 h (P < 0.01).Back to article page