Many thanks to all the people who responded to my enquiry both on the list
and privately,
I will now attempt to make use of these suggestions and will post any successes.
Graham Johnson
[log in to unmask]
Biomaterials Group
CSIRO, Div. of Biomolecular Engineering,
North Ryde, NSW 2113, Australia
ph: 61-2-886 4928
fax: 61-2-886 4805