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Correction: Virtual microwells for digital microfluidic reagent dispensing and cell culture

Irwin A. Eydelnant ab, Uvaraj Uddayasankar bc, Bingyu ‘Betty’ Li ab, Meng Wen Liao ab and Aaron R. Wheeler *abc
aInstitute for Biomaterials and Biomedical Engineering, University of Toronto, 164 College St., Toronto, ON M5S 3G9, Canada. E-mail: aaron.wheeler@utoronto.ca; Fax: +1 (416) 946 3865; Tel: +1 (416) 946 386
bDonnelly Centre for Cellular and Biomolecular Research, 160 College St, Toronto, ON M5S 3E1, Canada
cDepartment of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada

Received 9th March 2023 , Accepted 9th March 2023

First published on 20th March 2023


Abstract

Correction for ‘Virtual microwells for digital microfluidic reagent dispensing and cell culture’ by Irwin A. Eydelnant et al., Lab Chip, 2012, 12, 750–757, https://doi.org/10.1039/C2LC21004E.


The authors regret that there was an error in Fig. 2C of the article. The units indicated for the virtual microwell number Nvm should be mm−1 rather the m−1 that is indicated in Fig. 2C. A corrected version of Fig. 2C is given below. In addition, the threshold at which the dispensing behaviour changes is Nvm = 20, rather than the Nvm = 2 that is indicated in the text. To the authors' knowledge, all of the raw data in the paper, as well as all other observations and interpretations in the paper, are correct.


image file: d3lc90031b-u1.tif
Fig. 2 (C) Plot of Nvm as a function of hydrophilic site diameter for “dry passive dispensing” experiments on digital microfluidic devices with inter-plate spacer heights of 80 μm (yellow circles), 160 μm (orange triangles), or 240 μm (red diamonds). In all cases tested, dry passive dispensing was successful for a single-unit source-droplet (i.e., a droplet covering a single driving electrode) with Nvm > 20. For Nvm < 20, a double-unit source-droplet (covering two driving electrodes) was required for successful dry passive dispensing.

The authors thank James Wu from the Chinese University of Hong Kong for bringing this error to our attention.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.


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