Crocker Nuclear Laboratory
University of California, Davis
Davis, CA 95616
Email: rmhigashi@ucdavis.edu
Education:
| B.S. | Chemistry, University of Hawaii | 1977 |
| Ph.D. | Agricultural & Environmental Chemistry, University of California, Davis | 1987 |
Positions:
| 1996-present | Assistant/Associate Faculty Research Chemist, Crocker Nuclear Laboratory, University of California, Davis |
| 1989-1996 | Assistant Research Chemist, Bodega Marine Laboratory, University of California, Davis |
| 1987-89 | Postdoctoral Research Chemist, Bodega Marine Laboratory, University of California, Davis |
Selected Publications:
Fan, T.W-M., S.J. Teh, D.E. Hinton, and R.M. Higashi. 2002. Selenium biotransformations into proteinaceous forms by foodweb organisms of selenium-laden drainage waters in California. Aquat Toxicol 57 (1-2): 65-84.
Fan, T.W-M., A.N. Lane, M. Shenker, J.P. Bartley, D. Crowley, and R.M. Higashi. 2001. Comprehensive chemical profiling of gramineous plant root exudates using high-resolution NMR and MS. Phytochemistry 57 (2): 209-221.
Fan, T.W-M. and R.M. Higashi. 2000. Se biogeochemistry, ecotoxicology, and bioremediation. Abstr Pap Am Chem S 219: 174-IEC Part 1.
Fan, T.W-M., F. Baraud, and R.M. Higashi. 2000. Heavy metal bioavailability and sequestration by plants via interaction of plant root exudate and soil humic ligands. Abstr Pap Am Chem S 220: 314-ENVR Part 1.
Fan, T.W-M., R.M. Higashi, and A.N. Lane. 2000. Characterization of peptidic structures in a chelator-treated soil humate by solution-state multinuclear two-dimensional NMR with FTIR and pyrolysis-GCMS. Abstr Pap Am Chem S 220: 326-ENVR Part 1.
Fan, T.W-M., R.M. Higashi, and A.N. Lane. 2000. Chemical characterization of a chelator-treated soil humate by solution-state multinuclear two-dimensional NMR with FTIR and pyrolysis-GCMS. Environ Sci Technol 34 (9): 1636-1646.
James, T.A., R.M. Higashi, and T.W-M. Fan. 2000. Interaction between contaminant metal mobility and soil fertility manipulated by organic amendments. Abstr Pap Am Chem S 220: 10-FERT Part 1.
Baraud, F., T.W-M. Fan, and R.M. Higashi. 1999. Transition metals' bioavalability to wheat: Interactions with cadmium and soil humates. Abstr Pap Am Chem S 218: 41-NUCL Part 1.
Fan, T.W-M., A.N. Lane, and R.M. Higashi. 1999. Structure analysis of soil humates by liquid-state, multinuclear, and multidimensional NMR. Abstr Pap Am Chem S 218: 14-GEOC Part 1.
Fan, T.W-M., M. Shenker, R.M. Higashi, D.E. Crowley, and A.N. Lane. 1999. Rhizosphere mobilization of heavy metals via plant root exudation. Abstr Pap Am Chem S 217: 043-BIOT Part 1.
Fan, T.W-M., R.M. Higashi, and A.N. Lane. 1999. Heavy metal uptake and sequestration via plant chelator production. Abstr Pap Am Chem S 218: 42-NUCL Part 1.
Higashi, R.M., T.W-M. Fan, and A.N. Lane. 1999. Ternary interactions of biogenic ligands and Cd(II) with humic substances, with implications for metal ion bioavailability. Abstr Pap Am Chem S 217: 018-GEOC Part 1.
Schultz, L.F., R.M. Higashi, T.W-M. Fan, and T.M. Young. 1999. Soil organic matter structural considerations in the sorption and bioavailability of phenanthrene. Abstr Pap Am Chem S 217: 030-GEOC Part 1.
Schultz, L.F., T.M. Young, and R.M. Higashi. 1999. Sorption-desorption behavior of phenanthrene elucidated by pyrolysis-gas chromatography-mass spectrometry studies of soil organic matter. Environ Toxicol Chem 18 (8): 1710-1719.
Fan, T.W-M., A.N. Lane, D. Martens, and R.M. Higashi. 1998. Synthesis and structure characterization of selenium metabolites. Analyst 123:875-884.
Fan, T.W-M., R.M. Higashi, and A.N. Lane. 1998. Biotransformations of selenium oxyanion by filamentous cyanophyte-dominated mat cultured from agricultural drainage waters. Environmental Science & Technology 32:3185-3193.
Higashi, R.M., T.W-M. Fan, and A.N. Lane. 1998. Association of desferrioxamine with humic substances and their interaction with cadmium(II) as studied by pyrolysis gas chromatography mass spectrometry and nuclear magnetic resonance spectroscopy. Analyst 123:911-918.
Cherr, G.N., T.W-M. Fan, M.C. Pillai, T. Shields, and R.M. Higashi. 1997. Electrophoretic separation, characterization, and quantification of biologically active lignin-derived macromolecules. Analytical Biochemistry 214:521-527.
Fan, T.W-M., A.N. Lane, and R.M. Higashi. 1997. Selenium biotransformations by a euryhaline microalga isolated from a saline evaporation pond. Environmental Science & Technology 31:569-576.
Fan, T.W-M., A.N. Lane, J. Pedler, D. Crowley, and R.M. Higashi. 1997. Comprehensive analysis of organic ligands in whole root exudate using nuclear magnetic resonance and gas chromatography-mass spectrometry. Analytical Biochemistry 251:57-68
Fan, T.W-M., R.M. Higashi, T.A. Frenkiel, and A.N. Lane. 1997. Anaerobic nitrate and ammonium metabolism in flood-tolerant rice coleoptiles. Journal of Experimental Botany 48:1655-1666.
Marschner, P. D.E. Crowley, and R.M. Higashi. 1997. Root exudation and physiological status of a root-colonizing fluorescent pseudomonad in mycorrhizal and non-mycorrhizal pepper (Capsicum annuum L). Plant and Soil 189:11-20.
Pillai, M.C., H. Blethrow, R.M. Higashi, C.A. Vines, CA, and G.N. Cherr. 1997. Inhibition of the sea urchin sperm acrosome reaction by a lignin-derived macromolecule. Aquatic Toxicology 37:139-156.
Colmer, T.D., T.W-M. Fan, A. Läuchli, and R.M. Higashi. 1996. Interactive effects of salinity, nitrogen and sulphur on the organic solutes in Spartina alterniflora leaf blades. Journal of Experimental Botany 47:369-375.
Colmer, T.D., T.W-M. Fan, R.M. Higashi, and A. Läuchli. 1996. Interactive effects of Ca2+ and NaCl salinity on the ionic relations and proline accumulation in the primary root tip of sorghum bicolor. Physiologia Plantarum 97:421-424.
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