Research

Analytical environmental chemistry.

Selected Publications

Simpson A.J., Tseng L., Spraul M., Brauman U, Kingery W.L., Kelleher B., Simpson M.J. The application of LC-NMR and LC-SPE-NMR for the separation of Natural Organic Matter, 2004, The Analyst 129:1216-1222.

Kelleher B.P., A.J., Simpson, Willeford K.O., Simpson, M.J., Stout, R., Kingery W.L. Acid phosphatase interactions with organo-mineral complexes: Influence on catalytic activity. Biogeochemistry, 2004, 71, (3) : 285-297.

Simpson A.J, Kingery W.L, Williams A, Golotvin S, Kvasha M, Kelleher B.K, Moser A, Lefebvre B., Identifying Residues in Natural Organic Matter through Spectral Prediction and Pattern Matching of 2-D NMR datasets, Magnetic Resonance in Chemistry, 2004; 42: p. 14-22.

Deshmukh, A.P, Simpson A.J, and Hatcher P.G, Evidence for Cross-Linking in Tomato Cutin Using HR-MAS NMR Spectroscopy, Phytochemistry, 2003; 64: p. 1163-1170.

Diallo M.S, Simpson A.J, Faulon J.L, Gassman P, Goddard W. A, Johnnson J, Hatcher P.G, Unraveling the 3-D Structures of Natural Organic Matter through Experimental Characterization, Computer Assisted Structure Elucidation and Atomistic simulations. Environmental Science and Technology, 2003, 37 (9), p. 1783-1793.

Simpson, A.J, Kingery W.L, and Hatcher P.G, The identification of plant derived structures in humic materials using three-dimensional NMR spectroscopy. Environmental Science and Technology, 2003, 37(2): p. 337-342.

Kelleher B.P, Oppenheimer S.F, Kingery W.L, Han F.X, Willeford K.O, Simpson M.J, Simpson A.J, Dynamical System Analysis of Protease-Clay Interactions. Langmuir, 2003, 19: p. 9411-9417.

Simpson A.J, Zang X, Kramer R, Hatcher P.G, New insights on the structure of algaenan from Botryoccocus braunii race A and its hexane insoluble botryals based on multidimensional NMR spectroscopy and electrospray-mass spectrometry techniques. Phytochemistry, 2003, 62(5): p. 783-796.

Simpson, A.J., Determining the molecular weight, aggregation, structures and interactions of natural organic matter using diffusion ordered spectroscopy. Magnetic Resonance in Chemistry, 2002, 40, p. S72-S82.