Correction to “3D-Printed Sugar-Based Stents Facilitating Vascular Anastomosis”

Abstract

A. Farzin, A. K. Miri, F. Sharifi, et al., “3D-Printed Sugar-Based Stents Facilitating Vascular Anastomosis,” Advanced Healthcare Materials 7, no. 24 (2018): 1800702, https://doi.org/10.1002/adhm.201800702.

Concerns were raised by a third party regarding duplicated and inverted image sections within the subpanels of Figures S1a and S1b. The authors acknowledged these image compilation errors and the inconsistencies in the image processing and, upon further review, identified additional sub-panel duplications in Figure 2c. They further clarified that the same control images were intentionally reused across Figures 2c and S1a,b, as they were part of the same experiment conducted using a single blood sample. However, due to the time elapsed since publication, the comprehensive raw data were no longer available.

In light of this, the authors repeated the experiments. The new data confirm that the corresponding experimental results and the overall conclusions of the paper remain valid and unaffected.

The corrected versions of Figures S1 and 2b,c are provided below. The authors would like to further note that, since the clotting test was conducted at 1 min intervals, there was no difference in the clotting time between most of the replicates. Therefore, error bars are not shown for samples where no difference was observed in the clotting time between the replicates.

FIGURE S1 Effect of (a) sucrose and (b) glucose on clotting time of activated blood. Glucose enhanced the thrombogenicity while sucrose showed a reverse effect (n = 3). (**p < 0.01, ***p < 0.001). The experiments were performed within 48-well plates, where the inside diameter of the wells is ∼10.6 mm.

FIGURE 2 Evaluation of mechanical properties, adhesion strength, blood clotting time, and rheological properties of sugar-based composition. (b,c) The clotting time assay of the sugar-based composition (11% (w/w) glucose, 69% (w/w) sucrose, 17% (w/w) dextran, and 3% (w/w) sodium citrate) shows that the optimized composition had low thrombogenicity (n = 3). The experiments were performed within 48-well plates, where the inside diameter of the wells is ∼10.6 mm.

We apologize for these errors.