Density gradients Percoll was withdrawn from clinical use by its manufacturer in 1996 PVP-coated silica that can have deleterious effects on sperm mem
{"Image DocumentName": "Density gradientsPercoll was withdrawn from clinical use by its manufacturer in 1996.", "Image ImageDescription": "PVP-coated silica that can have deleterious effects on sperm membranes, and may affect subsequent fertilization events (De vos et al, 1997) because of high endotoxin levels. Products contain silane-coated silica particles, adjusted for the osmolarity with polysucrose , have very low toxicity. All these replacement products are non-irritating and are approved for human in vivo use. Products contain silane-coated silica particles, adjusted for the osmolarity with polysucrose , have very low toxicity. All these replacement products are non-irritating and are approved for human in vivo use.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}