Chemistry of Materials is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Article Ultrathin Layer-by-Layer Hydrogels with Incorporated Gold Nanorods as pH-Sensitive Optical Materials Veronika Kozlovskaya, Eugenia Kharlampieva, Bishnu P. Khanal, Pramit Manna, Eugene R. Zubarev, and Vladimir V. Tsukruk Chem. Mater., 2008, 20 (24), 7474-7485 • DOI: 10.1...