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Depth profiles of Ag concentration (ng mg−1) after seven days of treatment. In this pilot study, the biopsies were obtained from the same patient. One biopsy for silver analysis was taken from the healed part of the wound (top) and one from the unhealed (bottom) tissue. Panoramic images of the other duplicate sample were obtained by optical microscopy, and zoomed in areas of representative portions are also shown for comparison.
