Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
598037 | Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2007 | 7 Pages |
Abstract
Surface plasmon resonance (SPR) can be used to selectively detect Cu2+ in the range of 0.1 μM to 1.0 mM with a reusable sensor surface, through appropriate pH control, using a relatively simple amino-terminated self-assembled monolayer (SAM) as a molecular recognition element. To detect Cu2+ ions in an aqueous solution using SPR, two types of SAMs, comprised of 2-aminoethane thiolhydrochloride (AET) and 6-aminohexane thiolhydrochloride (AHT), were used. Moreover the selectivity of two amino-terminated SAMs for Cu2+ ions, compared to Ni2+ and Zn2+, which are divalent and have similar ionic radii, was compared with SPR angle changes for each case.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Colloid and Surface Chemistry
Authors
Surin Hong, Taewook Kang, Jungwoo Moon, Seogil Oh, Jongheop Yi,