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==Bioelectric Wound Dressings==
There are some studies that have shown that a Bioelectric wound dressing improves healing<ref name="JAAD-2009"/>, with one study showing a 36% improvement in healing time compared with a semi-occlusive dressing<ref name="BlountFoster2010"/>. These Bioelectric wound dressings are not externally powered, but use embedded 'microcell batteries'. One provider is http://www.procellera.com/, but the dressings are not readily available and are expensive. (The use of electrical stimulation for healing wounds that do not respond to other treatments has been shown effective and is medically approved<ref name="Kloth-2005"/>, but that is outside of the scope of this article.)
=Blister Color=
The contents of the blister is normally a yellowish clear liquid, blood or pus<ref name="Fitzpatrick"/>. The clear, yellowish fluid is called serous and is similar to blood plasma. The difference between serous and blood is that the latter means that some capillaries are damaged under the blister. The presence or absence of blood does not appear to be medically significant. If the blister is filled with pus, this may indicate an infection, but this is not always the case.
=References=
<references>
<ref name="ELEK-1956"> {{Cite journal | last1 = ELEK | first1 = SD. | title = Experimental staphylococcal infections in the skin of man. | journal = Ann N Y Acad Sci | volume = 65 | issue = 3 | pages = 85-90 | month = Aug | year = 1956 | doi = | PMID = 13363202 }}</ref>
<ref name="PersonalEmail"> Personal email communication with Army medic.</ref>
<ref name="Fitzpatrick">Fitzpatrick's Dermatology in General Medicine, ISBN 0071669043</ref>
</references>