Royal Society Publishing has recently published a special issue of Interface Focus entitled:
Carbon dioxide detection in biological systems
organised by Victoria L Linthwaite, Eoin Cummins, and Martin J Cann
The articles can be accessed at:
https://royalsocietypublishing.org/toc/rsfs/2021/11/2
There is a blog post about the endeavour which can be accessed at:
https://royalsociety.org/blog/2021/02/carbon-dioxide-detection-in-biological-systems/