Hi Alf

This stuff sounds interesting.
I could not open the link to the Imperial document you referred to.

Can you send a link direct that will open, or provide more information on the product and its application.

Thanks
Richard

richard.aldridge1@nhs.net

Richard Aldridge
Lead Technologist
Adult Critical care unit
Royal London Hospital
Whitechapel Road
London E1 1BB
Tel 0203 59 40302