| http://www.w3.org/ns/prov#value | - In highly scattering samples, such as samples where there is a high level of non-specific light scattering background, metal-like particles and the method of refractive index enhancement are used as follows. [0322] One skilled in the art increases the refractive index of the sample medium as for example, placing a film of water or other liquid on top of a dry or wet sample.
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