Alenka Možir

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Historic parchment is an extremely complex material, not only due to the various methods of production used and various past environmental histories of objects, but also due to its inhomogeneous structure. Many traditional methods of characterisation are empirical, but useful since they have gained recognition by the end-users. In this paper, we(More)
Carboxyl functional groups of poly(L-glutamic acid) (PGlu) were modified with a D-(+)-glucosamine (GlcN) by amidation using 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMTMM) as a coupling reagent. The coupling reaction was performed in aqueous medium without protection of hydroxyl functional groups of D-(+)-glucosamine.(More)
The test is performed in closed vials at 100 oC for 5 days with the tested material and a reference paper in the vial. Volatiles off-gassed from the tested material may cause degradation of the reference paper and lead to a decrease in its degree of polymerization. This is determined using viscometry. The optimal vial type is proposed, leading to(More)
1. Morana RTD d.o.o., Oslica 1b, 1295, Ivančna Gorica, Slovenia 2. University of Ljubljana, Faculty of Chemistry and Chemical Technology, Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia 3. University College London, Centre for Sustainable Heritage, The Bartlett School of Graduate Studies, Gower Street (Torrington Place site), London WC1E 6BT, UK 4.(More)
Alenka Možir, University of Ljubljana, Faculty of Chemistry and Chemical Technology, Aškerčeva 5, SI-1000 Ljubljana, Slovenia Matija Strlič, Centre for Sustainable Heritage, The Bartlett School of Graduate Studies, University College of London, Gower Street (Torrington Place site), London WCIE 6BT, United Kingdom Gerrit De Bruin, Nationaal Archief, The(More)
BACKGROUND At first glance, there appears to be a high degree of similarity between the metabolism of yeast (the Crabtree effect) and human cancer cells (the Warburg effect). At the root of both effects is accelerated metabolic flow through glycolysis which leads to overflows of ethanol and lactic acid, respectively. It has been proposed that enhanced(More)
Parchment has been in use for thousands of years and has been used as the writing or drawing support for many important historic works. A variety of analytical techniques is currently used for routine assessment of the degree of denaturation of historic parchment; however, because parchment has a heterogeneous nature, analytical methods with high spatial(More)
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