(a) Schematic illustration of the design of the fluorosensor and (b) photograph of the system.
Curves illustrating the time resolution of the system. The integrated signal from Photofrin and rhodamine as a function of the gate width (left panel), and the corresponding differentiated and normalized curves (right panel).
Time-integrated fluorescence spectra from measurements of normal tissue, metaplasia, and high grade dysplasia in the colon following excitation at (left panel) and (right panel). The patient investigated in the panel to the right had received ALA at a dose of body weight.
Time-resolved fluorescence spectra recorded in a basal cell carcinoma (left panel) and the adjacent normal skin (right panel) following topical application of ALA.
Reflectance spectra of three types of human skin.
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