| 摘要 |
Methods for imaging colloidal rod particles as nanobar codes is described in which imaging or reading free-standing particles comprising a plurality of segments of length from 10 nm to 50 .mu.m and width from 5 nm to 50 .mu.m is performed. The segments of particles may be comprised of any material including metal, allow, a metal allow, a metal nitride, a metal chalcogenide , a metal oxide, a metal sulfide, a metal selenide, a metal telluride, polymer ic materials, crystalline or non-crystalline materials.
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