个人简介

Center for Sustainable Materials Chemistry B.S., University of Texas, Austin, 1996. Ph.D., University of California, Berkeley, 2000 (Kenneth N. Raymond). Postdoctoral: The Scripps Research Institute, 2001-03 (Julius Rebek, Jr.). Honors and Awards: Phi Beta Kappa; NIH Postdoctoral Fellow, 2002-03; NSF CAREER Award, 2006; Research Corporation Cottrell Scholar Award, 2006; University of Oregon Fund for Faculty Members Excellence Award, 2012. At Oregon since 2003.

研究领域

Bioorganic/Medicinal Chemistry/Environmental Chemistry/Inorganic/Organometallic Chemistry/Materials Chemistry/Organic Synthesis

Research in the group explores problems in coordination chemistry and organic synthesis using the relatively new field of supramolecular chemistry as a tool. Research projects include developing specific metal chelators for a variety of toxic and environmentally hazardous metals; investigating the synthesis and applications of inorganic cluster compounds; and using multiple weak interactions within small molecule receptors to target environmentally and biologically relevant substrates. The research in the group spans a diverse range of disciplines: organic synthesis of ligands and receptors; inorganic chemistry of supramolecular coordination complexes and inorganic clusters; computer modeling and ligand design; analytical chemistry of metal ion extraction; solution thermodynamics and physical organic chemistry of host-guest and metal-ligand complexes; and materials science of supramolecular assemblies and thin film semiconductors. The characterization of these nanoscale molecules requires investigation by X-ray crystallography, calorimetry, multidimensional NMR techniques, and other spectroscopic methods.

近期论文

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Gavette, J. V.; Lara, J.; Reling, L. L.; Haley, M. M.; Johnson, D. W. "Lithium-Selective Phosphine Oxide-Based Ditopic Receptors Show Enhanced Halide Binding upon Alkali Metal Ion Coordination" Chem. Sci. 2012, in press (DOI:10.1039/C2SC21501B). Watt, M. M.; Collins, M. S.; Johnson, D. W. "Ion-π Interactions in Ligand Design for Anions and Main Group Cations" Acc. Chem. Res. 2012, Articles ASAP (invited article for special issue on "Aromatic Interactions" DOI: 10.1021/ar300100g). Oliveri, A. F.; Carnes, M. E.; Baseman, M. M.; Richman, E. K.; Hutchison, J. E.; Johnson, D. W. "Nanoscale Cluster Speciation Confirmed by DOSY and SAXS" Angew. Chem. Int. Ed. 2012, 51, 10992-10996. Engle, J. M.; Carroll, C. N.; Johnson, D. W.; Haley, M. M. "Synthesis of 2,6-Bis(2-anilinoethynyl)pyridine Scaffolds as a New Class of Potential Anion Sensors" Chem. Sci. 2012, 3, 1105-1110. Carnes, M. E.; Lindquist, N. R.; Zakharov, L. N.; Johnson, D. W. "Counter-ion and Steric Effects in Self-Assembled HgX2–Thioether Coordination Polymers" Cryst. Growth Des. 2012, 12, 1579-1585. Engle, J. M.; Lakshminarayanan, P. S.; Carroll, C. N.; Zakharov, L. N.; Haley, M. M.; Johnson, D. W. "Molecular Self Assembly: Solvent Guests Tune the Conformation of a Series of Versatile 2,6-Bis(2-anilinoethynyl)pyridine-Based Ureas" Cryst. Growth Des. 2011, 11, 5144-5152. Carnes, M. E.; Lindquist, N. R.; Johnson, D. W. "Main Group Supramolecular Coordination Chemistry" in Encyclopedia of Supramolecular Chemistry; Atwood, J. L.; Steed, J. W.; Wallace, K. J., Eds.; Taylor and Francis: New York, NY, 2012, in press. Mensinger, Z. L; Wang, W.; Keszler, D. A.; Johnson, D. W. "Oligomeric Group 13 Hydroxides – A Rare but Varied Class of Molecules" Chem. Soc. Rev. 2012, 41, 1019-1030. Fontenot, S. A.; Cangelosi, V. M.; Pitt, M. A. W.; Sather, A. C.;† Zakharov, L. N.; Berryman, O. B.; Johnson, D. W. "Design, Synthesis and Characterization of Self-Assembled As2L3 and Sb2L3 Cryptands" Dalton Trans. 2011, 40, 12125-12131 (invited article for Theme Issue on Self Assembly in Inorganic Chemistry). Gavette, J. V.; Lara, J.; Berryman, O. B.; Zakharov, L. N.; Haley, M. M.; Johnson, D. W. "Lithium Cation Enhances Anion Binding in a Phosphine Oxide-Based Tripodal, Ditopic Receptor" Chem. Commun. 2011, 47, 7653-7655. Haack, J. A.; Berglund, J. A.; Hutchison, J. E.; Johnson, D. W.; Lonergan, M. C.; Tyler, D. R. "Chemistry of sustainability: A general education science course enhancing students, faculty and institutional programming" J. Chem. Ed. 2011, manuscript submitted. Wang, W.; Wentz, K.M.; Hayes, S.E.; Johnson, D. W.; Keszler, D. A. "Synthesis of Hydroxide Cluster [Al13(μ3-OH)6(μ-OH)18(H2O)24]15+ from Aqueous Solution," Inorg. Chem. 2011, 50, 4683–4685. Carroll, C. N.; Coombs III, B. A.; McClintock, S. P.; Johnson II, C. A.; Berryman, O. B.; Johnson, D. W.; Haley, M. M. "Anion-Dependent Fluorescence in Bis(anilinoethynyl)pyridine Derivatives: Switchable ON-OFF and OFF-ON Response" Chem. Commun. 2011, 47, 5539-5541. Cangelosi, V. M.; Carter, T. G.; Crossland, J. L.; Zakharov, L. N.; Johnson, D. W. "Self-Assembled E2L3 Cryptands (E = P, As, Sb, Bi): Transmetalation, Homo- and Heterometallic Assemblies, and Conformational Isomerism" Inorg. Chem. 2010, 49, 9985-9992. Carroll, C. N.; Naleway, J. J.; Haley, M. M.; Johnson, D. W. "Arylethynyl Receptors for Anions and Emerging Applications in Cellular Imaging" Chem. Soc. Rev. 2010, 39, 3875-3888 (invited tutorial review for theme issue on "Anions in Supramolecular Chemistry"). Cangelosi, V. M.; Pitt, M. A.; Vickaryous, W. J.; Allen, C. A.; Zakharov, L. N.; Johnson, D. W. "Design Considerations for the Group 15 Elements: The Pnictogen···π Interaction as a Complementary Component in Supramolecular Assembly Design" Cryst. Growth Des. 2010, 10, 3531-3536. Haack, J. A.; Berglund, J. A.; Hutchison, J. E.; Johnson, D. W.; Lonergan, M. C.; Tyler, D. R. "‘Chemistry of Sustainability:’ A General Education Science Course Enhancing Students, Faculty and Institutional Programming" CONFCHEM, 2010, April-June 2010, Paper 3 (May 21-27: http://www.ched-ccce.org/confchem/2010/Spring2010 /Index.html). Lindquist, N. R.; Carter, T. G.; Cangelosi, V. M.; Zakharov, L. N.; Johnson, D. W. "Three’s Company: Co-crystallization of a Self-Assembled S4 Metallacyclophane with Two Diastereomeric Metallacycle Intermediates" Chem. Commun. 2010, 46, 3505-3507. Cangelosi, V. M.; Zakharov, L. N.; Crossland, J. L.; Franklin, B. C.; Johnson, D. W. "A Surprising ‘Folded-in’ Conformation of a Self-Assembled Arsenic-Thiolate Macrocycle" Cryst. Growth Des. 2010, 10, 1471-1473. Cangelosi, V. M.; Zakharov, L. N.; Johnson, D. W. "Supramolecular Transmetallation Leads to an Unusual Self-Assembled P2L3 Cryptand" Angew. Chem. Int. Ed. 2010, 49, 1248-1251.