A paper on graphene surface stress biosensors has been published online.
This paper is open access.

Title: A suspended graphene-based optical interferometric surface stress sensor for selective biomolecular detection

Autho: Shin Kidane, Hayato Ishida, Kazuaki Sawada and Kazuhiro Takahashi

Journal: Nanoscale Advances, Issue4, DOI: 10.1039/C9NA00788A

https://pubs.rsc.org/en/content/articlelanding/2020/na/c9na00788a