Recent observations of flagellar counterbend in sea urchin sperm show that the mechanical induction of curvature in one part of a passive flagellum induces a compensatory countercurvature elsewhere.

In this study, we have used two different EOCs with trade name ENGAGE, supplied by The Dow Chemical Company (Midland, MI, USA). The octene contents of these copolymers were 20 and 35 wt% for ENGAGE ...