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   _____    _____    __   __   __   __   _    _   
  / ___//  |  ___||  \ \\/ //  \ \\/ // | \  / || 
  \___ \\  | ||__     \   //    \ ` //  |  \/  || 
  /    //  | ||__     / . \\     | ||   | .  . || 
 /____//   |_____||  /_//\_\\    |_||   |_|\/|_|| 
`-----`    `-----`   `-`  --`    `-`'   `-`  `-`

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Text this: Flexible three-dimensional anticounterfeiting plasmonic security labels : utilizing z-axis-dependent SERS readouts to encode multilayered molecular information