?url_ver=Z39.88-2004&rft_id=10.1021%2Fja077979%2B&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Xu%2C+X&rft.aulast=Xu&rft.aufirst=X&rft.issue=10&rft.volume=130&rft.date=12+March+2008&rft.issn=0002-7863&rft.atitle=Polymerized+polyHEMA+photonic+crystals%3A+pH+and+ethanol+sensor+materials&rft.title=Journal+of+the+American+Chemical+Society&rft.pages=3113+-+3119&rft.genre=article