Applied tutorial for the design and fabrication of biomicrofluidic devices by resin 3D printing

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  1. The X,Y-resolution (effective pixel resolution) was similar between the two printers, at 30 and 40 μm for the 405- and 385-nm printers, respectively. In this resin, the crosslinking reaction was more efficient with the 385 nm light source, enabling reduced light dosage (shorter times and lower intensities; Table S1), which assisted in diminishing bleed-through light allowing uncured resin to drain more easily from channels. Consistent with this, channels were printable at sizes ~0.2 mm smaller with the 385 nm printer (Fig. 2C) versus the 405 nm source (Fig. 2B).

    Thank you for including this information, I have tried similar to make similar microfluidic channels of different dimensions, but did not consider the differences that light source wavelength would have on different resin types.