They used a specialist technique called differential extraction to separate the sperm from piglet skin cells. The samples were then analyzed under a microscope to detect the presence of intact sperm.

Maggots may help solve rape cases, suggests a new study. Blowfly eggs and larvae can carry crucial evidence - such as sperm - ...

This is because they provide precise extraction of biological targets such as cells ... several differential lysis and clearing steps. This procedure requires a favorable ratio of sperm cells ...