关于 Jingdong Mao博士学术讲座的通知

发布者:系统管理员发布时间:2008-06-04浏览次数:0

 

报告题目:Advanced solid-state Nuclear Magnetic Resonance spectroscopy for identifying structures and heterogeneities in natural organic matter 

报 告 人:Dr. Jingdong Mao

报告时间:20086月6日  下午3:00-430

报告地点:浙江大学华家池校区环保楼204

报告人简介:

Dr. Jingdong Mao, Assistant Professor

Department of Chemistry and Biochemistry

Old Dominion University
4541
Hampton Boulevard
Norfolk, Virginia 23529-0126

Education:

Ph.D., Soil Chemistry (focused on Solid-state NMR Spectroscopy), The University of Massachusetts, Amherst, 2000
M.S., Environmental Chemistry, Nanjing Agricultural University, China, 1992
B.S., Soil Science and Agricultural Chemistry, Nanjing Agricultural University, China, 1989

Research Interests:

Biogeochemistry, Environmental Chemistry, and Solid-state NMR Spectroscopy

Biogeochemistry: Characterization of natural organic matter in soils, water, sediments, and meteorites; and characterization of coals and kerogen by new/ advanced solid-state NMR spectroscopy

Environmental Chemistry: Mechanisms of non-covalent interactions of organic contaminants with natural organic matter; reduction of Cr(VI) to Cr(III)

Solid-state NMR Spectroscopy: Development and applications of advanced soil-state NMR techniques for research in Biogeochemistry and Environmental Chemistry

Selected Publications (Total: 42):

1.      Mao, J.-D., A. Ajakaiye, Y. Lan, D.C. Olk, M. Ceballos, T. Zhang, M. Z. Fan, and C. W. Forsberg. 2008. Chemical structures of manure from conventional and phytase transgenic pigs investigated by advanced solid-state NMR spectroscopy. Journal of Agricultural and Food Chemistry. 56: 2131-2138.

2.      Mao J.-D., L. Tremblay, J.-P. Gagné, S. Kohl, J. Rice and K. Schmidt-Rohr. 2007. Humic acids from particulate organic matter in the Saguenay Fjord and the St. Lawrence Estuary investigated by advanced solid-state NMR. Geochimica et Cosmochimica Acta. 71: 5483-5499

3.      Mao J.-D., R. M. Cory, D. M. McKnight, and K. Schmidt-Rohr. 2007. Characterization of a nitrogen-rich fulvic acid and its precursor algae by solid-state NMR. Organic Geochemistry 38: 1277-1292.

4.      Mao J.-D., X. Fang, K. Schmidt-Rohr, A. M. Carmo, L. S. Hundal, and M. L. Thompson. 2007. Molecular-scale heterogeneity of humic acid in particle-size fractions of two Iowa soils. Geoderma 140: 17-29.

5.      Levin E. M., S. L. Bud’ko, J. D. Mao, Y. Huang, and K. Schmidt-Rohr. 2007. Effect of magnetic particles on NMR spectra of Murchison meteorite organic matter and a polymer-based model system. Solid State NMR. 31: 63-71. 

6.      Mao J.-D., K.M. Holtman, J.T. Scott, J.F. Kadla, and K. Schmidt-Rohr. 2006. Differences between lignin in unprocessed wood, milled wood, mutant wood, and extracted lignin detected by 13C Solid-State NMR. Journal of Agricultural and Food Chemistry. 54: 9677-9686.

  1. Olk, D.C., K.G. Cassman, K. Schmidt-Rohr, M.M. Andres, J.-D. Mao, and J.L. Deenik. 2006. Chemical stabilization of soil organic matter by phenolic lignin residues in anaerobic agrosystems. Soil Biology and Biochemistry 38: 3303-3312.
  2. Mao J.-D. and K. Schmidt-Rohr. 2006. Absence of mobile carbohydrate domains in dry humic substances proven by NMR, and implications for organic-contaminant sorption. Environmental Science and Technology 40: 1751-1756.
  3. Mao J.-D. and K. Schmidt-Rohr. 2005. Methylene spectral editing in solid-state NMR by three-spin coherence selection. Journal of Magnetic Resonance 176: 1-6.
  4. Schmidt-Rohr, K., J.-D. Mao, and D.C. Olk. 2004. Nitrogen-bonded aromatics in soil organic matter and their implications for a yield decline in intensive rice cropping. Proceedings of National Academy of Sciences, USA 101: 6351-6354.
  5. Mao J.-D. and K. Schmidt-Rohr. 2004. Accurate quantification of aromaticity and unprotonated aromatic carbon fraction in natural organic matter by 13C solid-state NMR. Environmental Science and Technology 38: 2680-2684.
  6. Mao J.-D. and K. Schmidt-Rohr. 2004. Separation of acetal or ketal O-C-O 13C NMR signals from aromatic-carbon bands by a chemical-shift-anisotropy filter. Solid State NMR. 26: 36-45.
  7. Mao J.-D. and K. Schmidt-Rohr. 2003. Long-range C-H dipolar dephasing in solid-state NMR, and its use for spectral selection of fused aromatic rings. Journal of Magnetic Resonance 162: 217-227.
  8. Mao, J.-D., L.S. Hundal, K. Schmidt-Rohr, and M.L. Thompson. 2003. Nuclear magnetic resonance and diffuse-reflectance infrared Fourier-transform spectroscopy of sludge-derived biocolloidal organic matter. Environmental Science and Technology 37:1751-1757.
  9. Mao, J.-D., L.S. Hundal, M.L. Thompson, and K. Schmidt-Rohr. 2002. Correlation of poly(methylene)-rich aliphatic domains in humic substances with sorption of a nonpolar organic contaminant, phenanthrene. Environmental Science and Technology 36: 929-936.
  10. Schmidt-Rohr, K. and J.-D. Mao. 2002. Efficient CH-group selection and identification in 13C Solid-state NMR by dipolar DEPT and 1H chemical-shift filtering. Journal of the American Chemical Society 124: 13938-13948.
  11. Schmidt-Rohr, K. and J.-D. Mao. 2002. Selective dephasing of NH and OH proton magnetization based on 1H anisotropy recoupling. Journal of Magnetic Resonance 157: 210-217.
  12. Schmidt-Rohr, K. and J.-D. Mao. 2002. Selective observation of nitrogen-bonded carbons in solid state NMR by saturation-pulse induced dipolar exchange with recoupling. Chemical Physics Letters 359: 403-411.
  13. Liu, S.-L., J.-D. Mao, K. Schmidt-Rohr. 2002. A robust technique for two-dimensional separation of undistorted chemical-shift power patterns in magic-angle spinning NMR. Journal of Magnetic Resonance 155: 15-28.
  14. Mao, J.-D., B. Xing, and K. Schmidt-Rohr. 2001. New structural information on a humic acid from 1H-13C heteronuclear correlation solid-state NMR. Environmental Science and Technology.  35: 1928-1934.
  15. Mao, J.-D., W. Hu, K. Schmidt-Rohr, G. Davies, E. A. Ghabbour, and B. Xing. 2000. Quantitative characterization of humic substances with solid state NMR. Soil Science Society of American Journal. 64: 873-884.
  16. Hu, W.-G., J.-D. Mao, B. Xing, and K. Schmidt-Rohr. 2000. Poly(methylene) crystallites in humic substances detected by nuclear magnetic resonance. Environmental Science and Technology. 34: 530-534.