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. 2012 Jun 29;109(29):11599-11604. doi: 10.1073/pnas.1200013109

Fig. 1.

Fig. 1.

(A) Qualitative partition of the surroundings of a growing bubble at the start of sonication. CNTs in Region 1 align tangent to the bubble and could be entrained during growth; CNTs in Region 2 align tangent to the bubble wall; CNTs in the bulk (Region 3) are minimally affected by the bubble’s growth. (B) Representative CNT-bubble separation at the end of growth vs. CNT initial distance from the bubble center (PA0 = 1500 kPa, L = 1.5 μm, Lp = 20 μm, N = 33). (C) During growth, CNTs approach the bubble surface because of the thinning of the incompressible fluid layer around the bubble.