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key to their technique was the use of trypsin, a member of a family of enzymes called serine proteases, which activates genes involved in wound healing

incorporating specific, regulated series proteases and antimicrobial peptides at the sites of diabetic ulcers or skin grafts for more efficient wound healing

susceptibilities of the multiple-drug resistant strain of S. aureus to deuteroporphyrin and to hemin were tested. The effect of the addition of porphyrins, separately and together, to a logarithmic culture was determined from the viable count of S. aureus over an 8 h period.

This work confirmed that a deuteroporphyrin-hemin complex is a potent killer of a multiple-antibiotic resistant S. aureus in culture

This complex was able to reduce the number of bacteria by six orders of magnitude within 8 h. By using this complex, which is light independent, we have overcome the problem of light penetration to the subeschar space.

The growing resistance of pathogenic microorganisms against antimicrobial agents has generated a search for alternative treatments for localized infections.

In this study we have demonstrated that it is possible to rapidly photoinactivate S. aureus when present in a burn wound with PTMPP as PS