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Fig. 2 | BMC Biotechnology

Fig. 2

From: Standardized mounting method of (zebrafish) embryos using a 3D-printed stamp for high-content, semi-automated confocal imaging

Fig. 2

Representative Results. A Maximum intensity projection (MIP) of a 50 hpf embryo mounted on its side (XY) and corresponding MIP of the orthogonal view (XZ) of the same embryo showing how flat the embryos are mounted in the plate (A’). B MIP of a 40 hpf embryo mounted dorsally (XY) and corresponding MIP of the orthogonal view (XZ) of the same embryo (B′). Depth colour encoding is indicated by colour scales on the right. c Multi-position (36), multi-channel (2) time-lapse recording (13 h duration; 15 min. Interval, see also Additional file 1: Movie S1). D Multichannel (2) Extended Depth of Focus (EDF) projections from widefield Z-stacks (recorded with 20x Objective). Scale Bar = 1 mm (E) Multi-point coordinates in X, Y and Z (recorded with 40x Objective). The offset describes the distance of each point from the mean of all points in X, Y and Z (See methods). Panel 1–3 (top to bottom) show dimensions X, Y and Z in comparison for the pLLP, the eye and the otic vesicle. The red line indicates the median, the blue line indicates zero offset, error bars indicate mean ± standard deviation. Numeric values indicate the variance. F-F″’ Systematic retrieval for genotyping. F Mounted embryos in a 2-D coordinate system of rows (A-M) and columns (1–3). F′ Imaging Sequence in a snake by column fashion. In a time-lapse setting, it starts at point 1 (P01) again to initiate the next timepoint. F″ After imaging, the embryos are retrieved in the same sequence as they were imaged (snake by column, left panel). F”’ Each genotyping result on the electrophoresis gel is easily correlated to one imaging dataset with defined X-Y coordinates

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