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Optical traps let scientists see immune system destroy cells

One of the difficulties in observing how the immune system goes about its business is that it isn't easy providing an environment where exactly one immune cell type is in proximity to one specific pathogen. This is compounded by the lack of imaging systems that provide an adequate combination of spatial and temporal resolution.

To overcome this problem, researchers from Harvard Medical School and Massachusetts Institute of Technology have combined forces to produce a solution in the form of a combined optical trapping and imaging system that is optimized for just this sort of problem.

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arstechnica.com
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