GLOBAL IMAGING BRIEF
Why it matters
Analysis: Mixable emission signatures may offer a route to customizable optical authentication, subject to printing compatibility and field-reader validation.
Lanthanide Liquids Show Tunable Optical Signatures for Security Marking
Nottingham Trent University reported on October 16 that researchers formulated room-temperature ionic liquids containing different lanthanides and demonstrated distinct ultraviolet-excited emission patterns, including mixed signatures on paper. The RSC Advances study is an early materials demonstration; durability and real-world anti-counterfeiting performance have not been established.
Original source
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