Maria Feoktistova, Peter Geserick and Martin Leverkus. Cold Spring Harbor Protocols 2016(4), pdb.prot087379 (1 April 2016), DOI 10.1101/pdb.prot087379. Publisher primary abstract cshprotocols.cshlp.org/content/2016/4/pdb.prot087379 describes retained adherent cells stained by crystal violet, which binds proteins and DNA, and explicitly states that the cause of reduced staining requires additional methods. No uninspected full-protocol details are asserted.
Verified Martin Leverkus portrait and professional context: named primary memorial www.nature.com/articles/cddiscovery201693 (Cell Death Discovery3, article16093, 23January2017) describes his physician/dermatology training and links the portrait used in his profile. Exact external image: media.springernature.com/w300/springer-static/image/art%3A10.1038%2Fcddiscovery.2016.93/MediaObjects/41420_2017_Article_BFcddiscovery201693_Figa_HTML.jpg . The protocol original byline and source title remain unchanged.