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. 2020 Feb 14;412(14):3285–3297. doi: 10.1007/s00216-020-02411-3

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© The Author(s) 2020

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Fig. 7 — a Top view of a lattice of SU-8 pillars with a pith of 10 μm, and a diameter in the order of 5 μm, with the laser source of RPL focused on the centre of a pillar. b SEM caption of a single pillar with 1.15 μm in height and 5.28 μm in width