The analysis of the electrostatically-collected samples proved as good as, or even better than, taking and destroying a direct sample of parchment, the scientists say.
By the 1870s one of the few remaining defenders of Liebig's thesis was an American physiologist, Dr Austin Flint Jr, who made many studies of Weston and claimed his urine samples proved that protein was the crucial energy source for exercise.
The two samples proved to have a very different structure.
"Well he wasn't and that sample proved that," said Det Supt Simon Barraclough, from Greater Manchester Police.
The closed uracil samples proved to be vacuum-tight for 7 days.
Importantly, the electrochemical characteristics of the original samples proved the potentiality for further research.
All fecal samples proved positive by Chrom agar KPC were tested by convential PCR.
One of the ten samples proved to be genotoxic in the umuC test after 141 times pre-concentration.
Based on quantitation cycle values, automated high-throughput extraction of samples proved to be as suitable as manual extraction.
Moreover, the graphene/titanium dioxide nanocomposite coated cotton samples proved low toxicity and possessed excellent antibacterial and antifungal activities.
