CPC G01J 3/0272 (2013.01) [G01J 3/0256 (2013.01); G01J 3/4412 (2013.01); G01N 21/658 (2013.01); G01N 33/523 (2013.01); G01N 33/6812 (2013.01)] | 17 Claims |
1. A gold nanoporous anodic aluminum oxide (NAAO) substrate used in coordination with a handheld Surface-Enhanced Raman Spectroscopy (SERS) device for detecting phenylalanine (Phe) in a sample collected from a subject, the gold NAAO substrate comprising:
a multilayered nanoporous aluminum layer; and
a gold layer disposed on top of the multilayered nanoporous aluminum layer,
wherein the gold layer comprises gold nanoparticles;
wherein the gold NAAO substrate is configured to receive the sample; and
wherein the gold NAAO substrate and the device detect the Phe in the sample.
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