The laser which typically acts as an optical trap, is used to heat the nanoscopic plasmonic particle to very high and extremely locally elevated temperatures. Optical trapping of such a nanoheater at the interface between two membrane vesicles, or two cells, leads to immediate fusion of the two verified by both content and lipid mixing

Advantages include full flexibility of which cells to fuse and fusion can be performed in any buffer condition unlike electroformation which is affected by salt.

In human therapy

Alternative

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