Fig. 10From: Development of a methodology for the characterisation and assessment of biodeteriogens on archaeological surfaces by use of a portable LED-induced fluorescence instrumentFluorescence emission spectra of object A (a) and C (b) collected with the LED-IF instrument, λexc = 375 nm. Dry sample (red), wet sample (blue), leaf (green), dry substrate (pink) and wet substrate (cyan)Back to article page