Superelastic microsprings & electrical fingerprinting to detect circulating tumor cells in Issue 13

Superelastic metal microsprings as fluidic sensors and actuatorsWork from Yongfeng Mei, Fudan University, and colleagues on developing superelastic microsprings features on the front cover of Issue 13.  The rolled Ti nanomembranes stretch predictably and proportionally due to the drag force in flowing water, and so are potentially useful as sensors in micro-/nano-electromechanical systems.

Superelastic metal microsprings as fluidic sensors and actuators
Weiming Li, Gaoshan Huang, Jiao Wang, Ying Yu, Xiaojing Wu, Xugao Cui and Yongfeng Mei
Lab Chip, 2012, 12, 2322-2328
DOI: 10.1039/C2LC40151G

The back cover is courtesy of Samir M. Iqbal and coworkers, who have developed a solid micropore device to detect tumour cells.  By pushing cells through the single micropore one at a time cells can be differentiated based on size, elasticity, viscosity and stiffness.

Electrical fingerprinting, 3D profiling and detection of tumor cells with solid-state micropores
Waseem Asghar, Yuan Wan, Azhar Ilyas, Robert Bachoo, Young-tae Kim and Samir M. Iqbal
Lab Chip, 2012, 12, 2345-2352
DOI: 10.1039/C2LC21012F

Also in this issue we have another of our acoustofluidics series which looks at perturbation methods for analysing acoustic streaming and the latest Research highlights article from Ali Khademhosseini.

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