Ambal, K.
Rahe, P.
Payne, A.
Slinkman, J.
Williams, C. C.
Boehme, C.
Article History
Received: 24 July 2015
Accepted: 19 November 2015
First Online: 13 January 2016
Competing interests
: One of the authors (CCW) owns the company that provided (at no cost to the project) the Pt probes used in the experiments reported here. All other authors declare no competing financial interests.