U.S. Army Major
Jean Muderhwa of the Brooke Army Medical Center/San Antonio Military Medical
Center has developed a ‘microemulsion’ that he hopes will prove useful in
stockpiling vaccines. He presented
his findings at the Experimental Biology 2012 meeting.
An emulsion is a
mixture of liquids that don’t ordinarily mix. The application of energy causes
one liquid to form stable droplets that are dispersed throughout the other
liquid. For example, many cosmetics contain a mixture of oil and water, plus
other ingredients. Milk is an emulsion of butterfat globules and water.
Microemulsions simply contain very tiny droplets that are less than 100 nm across.
Muderhwa’s micoremulsion
is composed of five ingredients: water, oil, glycerol, surfactants (chemicals
that lower the surface tension of liquids making them more ‘mixable’) and a protein
adjuvant, a molecule that makes a body’s response to vaccines more potent. In
other words, the emulsion is specifically designed to carry vaccines.
US Army Major Jean M. Muderhwa's microemulsion vaccine carrier.
Courtesy of US Army Major Jean M. Muderhwa
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