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University at Buffalo researchers have developed a chemical sensing chip that boasts a range of potential applications, from the detection of illicit substances and dangerous materials, to counterfeit prevention. The chip, which relies on surface-enhanced Raman spectroscopy (SERS), supports incorporation into hand-held sensor devices and approached quantum-limit sensing capabilities — a challenge for many conventional SERS chips — in testing.
Qiaocqiang Gan, a professor of electrical engineering, led the team that introduced the chip. The team’s work builds on a previous advance, in which scientists in Gan’s laboratory created a chip that demonstrated the ability to trap light at the edges of gold and silver…READ MORE