Delivery of a viable merozoite via optical tweezers (video) Cell Press Share Print E-Mail Loading video... Caption This video shows the delivery of a viable merozoite via optical tweezers to a healthy erythrocyte and subsequent invasion. Credit Biophysical Journal, Crick et al. Usage Restrictions Credit Required Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.