Steven L. Jacques
Wellman Laboratories, Massachusetts General Hospital, Boston, MA, USA
Joseph T. Walsh
Wellman Laboratories, Massachusetts General Hospital, Boston, MA, USA
Harvard Medical School-M.I.T., Cambridge, MA, USA
The molar entropy (ΔS) and molar enthalpy (ΔH) for the denaturation event that triggers cutaneous erythema was determined to be ΔS = 190 J/(mole K) and ΔH = 146.9 × 103 J/mole. The experiment involved placing heated water against the skin of the forearm, for a range of temperatures and exposure times. Exposing the skin to 45°C for 22 s was at the threshold for producing erythema, which was similar to the threshold for a slight degree of pain.
Keywords: Skin; erythema; thermal; entropy; enthalpy
Read More: http://www.worldscientific.com/doi/abs/10.1142/S1793545815500261
