Figure 2
From: Thermal gradient induced tweezers for the manipulation of particles and cells
(a) Setup of thermal tweezers based on METH. Successive trapping image frames of 1.5 μm PSs on: (b) point-like METH at 30 mA; (c) 50 μm long METH at 20 mA; (d) 100 μm long METH at 16.8 mA. The power source was switched off immediately after capturing the second last image.
