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Pubmed for Handhelds

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  • Title: Cocaine detection by a mid-infrared waveguide integrated with a microfluidic chip.
    Author: Chang YC, Wägli P, Paeder V, Homsy A, Hvozdara L, van der Wal P, Di Francesco J, de Rooij NF, Peter Herzig H.
    Journal: Lab Chip; 2012 Sep 07; 12(17):3020-3. PubMed ID: 22806146.
    Abstract:
    A germanium (Ge) strip waveguide on a silicon (Si) substrate is integrated with a microfluidic chip to detect cocaine in tetrachloroethylene (PCE) solutions. In the evanescent field of the waveguide, cocaine absorbs the light near 5.8 μm, which is emitted from a quantum cascade laser. This device is ideal for (bio-)chemical sensing applications.
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