Hi Thomas,
Confirmed -- this was reported already once. I don't have a fix for
tsd@tsdye.com (Thomas S. Dye) writes:
> With a recent git pull and #+OPTIONS: ^:{}, `C^{14}' is interpreted
> correctly but ` ^{14}C' is not, both in the Org buffer and in LaTeX
> export. The space before the caret appears to be the problem.
this at the moment, hopefully Nicolas can have a look sometime.
--
Bastien