Laser Trapping a Phagosome inside a Cell (image) Tata Institute of Fundamental Research Caption A phagosome transported inside a living cell by molecular motors is held by a laser trap. This allows measurement of the picoNewton forces exerted by motors as they haul the phagosome inside the cell. Credit Sukant Saran, TIFR Usage Restrictions None 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.