| http://www.w3.org/ns/prov#value | - In a second aspect, the invention relates to an article including an at least partially reacted species, a multi-photon photoinitiator system, and a plurality of substantially inorganic particles, wherein the particles have an average particle size of less than about 10 microns in diameter, and the particles are present in the composition at up to about 75% by volume.
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