RESEARCH TRIANGLE INSTITUTE; CARROLL, F. Ivy; BLOUGH, Bruce E.; NAVARRO, Hernan A.; MASCARELLA, S. Wayne; MURESAN, Ana Zamfira; DAMAJ, M. Imad; LUKAS, Ronald J. Patent: WO2011/146821 A2, 2011 ; Location in patent: Page/Page column 54 ; WO 2011/146821 A2