Mülhopt, Sonja
Schlager, Christoph
Berger, Markus
Murugadoss, Sivakumar
Hoet, Peter H.
Krebs, Tobias
Paur, Hanns-Rudolf
Stapf, Dieter
Article History
Received: 24 February 2020
Accepted: 4 May 2020
First Online: 21 May 2020
Competing interests
: The authors declare the following competing interests: S.M., C.S., M.B. and H.R.P. hold the utility patent of the TEM grid sampler. C.S., M.B. and T.K. are affiliated to Vitrocell Systems GmbH commercializing the TEM grid sampler. SiMu, PHH, and DS have no competing interests.