Schmidt-Rohr Group Publications

Monograph

Journal Articles

  1. C. Covelli , Shichen Yuan , David Grewell and Klaus Schmidt-Rohr # "Structural changes from vibration welding of maple and pine woods analyzed by solid-state NMR" Weld. World 66: 961-971 (2022).
  2. Shichen Yuan , M. Tyufekchiev , M. T. Timko and Klaus Schmidt-Rohr # "Direct quantification of the degree of polymerization of hydrolyzed cellulose by solid-state NMR spectroscopy" Cellulose 29: 2131-2144 (2022).
  3. N. B. Ekwe , M. Tyufekchiev , A. A. Salifu , G. A. Tompsett , H. O. LeClerc , E. R. Belden , E. O. Onche , A. Ates , Klaus Schmidt-Rohr , Shichen Yuan , Zhaoxi Zheng , Winston O. Soboyejo and M. T. Timko # "Mechanochemical Pretreatment for Waste‐Free Conversion of Bamboo to Simple Sugars: Utilization of Available Resources for Developing Economies" Adv. Sustainable Syst. 6: 2100286 (2022).
  4. M. Tyufekchiev , J. Finzel , Z. Zhang , W. Yao , S. Sontgerath , C. Skangos , Pu Duan , Klaus Schmidt-Rohr and M. T. Timko # "A New Method for Solid Acid Catalyst Evaluation for Cellulose Hydrolysis" Sustain. Chem. 2: 645-669 (2021).
  5. M. Schaefer # , Shichen Yuan , A. Petzold , R. A. Perez-Camargo , A. J. Muller , Thomas Thurn-Albrecht , Kay Saalwaechter and Klaus Schmidt-Rohr # "Asymmetric co-unit inclusion in statistical copolyesters" Macromolecules 54: 835–845 (2021).
  6. B. S. Matsuura , S. Huss , Zhaoxi Zheng , Shichen Yuan , T. Wang , B. Chen , J. V. Badding , D. Trauner , Elizabeth Elacqua , A. C. T. van Duin , Vincent H. Crespi and Klaus Schmidt-Rohr # "Perfect and Defective 13C-Furan-Derived Nanothreads from Modest-Pressure Synthesis Analyzed by 13C NMR" J. Am. Chem. Soc. 143: 9529–9542 (2021).
  7. Klaus Schmidt-Rohr "O2 and Other High-Energy Molecules in Photosynthesis: Why Plants Need Two Photosystems" Life 11: 1191 (2021).
  8. Y. Yang , Pu Duan , Klaus Schmidt-Rohr , Jingdong Mao and J. -J. Pignatello # "Physico-chemical changes produced in biomass chars by oxidation during pyrolysis or ambient weathering impacting sorption of a hydrophobic and a cationic compound" Environ. Sci. Technol. 55: 13072-13081 (2021).
  9. X. Chen , M. Jin , Pu Duan , J. Mejia , W. Chu , X. Ye , Xiaoyan Cao , Klaus Schmidt-Rohr , M. L. Thompson , Jingdong Mao # and H. Gao # "Structural composition of immobilized fertilizer N associated with decomposed wheat straw residues using advanced NMR spectroscopy combined with 13C and 15N labeling" Geoderma 398: 115110 (2021).
  10. Z. He , M. Guo , C. Fortier , Xiaoyan Cao and Klaus Schmidt-Rohr "Fourier transform infrared and solid state 13C nuclear magnetic resonance spectroscopic characterization of defatted cottonseed meal-based biochars" Modern Appl. Sci. 15: 108-121 (2021).
  11. X. Chen , W. Chu , M. L. Thompson , D. C. Olk , Xiaoyan Cao , Klaus Schmidt-Rohr , L. Zhang , Jingdong Mao # and H. Gao # "Formation of Char-like, Fused-ring Aromatic Structures from a Non-pyrogenic Pathway During Decomposition of Wheat Straw" J. Agric. Food Chem. 68: 2607-2614 (2020).
  12. R. M. B. O. Duarte # , Pu Duan , Jingdong Mao , A. C. Duarte and Klaus Schmidt-Rohr "Exploring the structural features of urban water-soluble organic aerosols by advanced solid-state NMR analysis" Atmospher. Environm. 230: 117503 (1-8) (2020).
  13. Pu Duan , M. S. Lamm , F. Yang , W. Xu , D. Skomski , Y. Su # and Klaus Schmidt-Rohr # "Quantifying Molecular Mixing and Heterogeneity in Pharmaceutical Dispersions at Sub-100-nm Resolution by Spin Diffusion NMR" Mol. Pharm. 17: 3567-3580 (2020).
  14. P. Guerra , A. Zaker , Pu Duan , A. R. Maag , G. A. Tompsett , A. B. Brown , Klaus Schmidt-Rohr and M. T. Timko # "Analysis of Coke Formed during Zeolite-Catalyzed Supercritical Dodecane Cracking: Effect of Supercritical Water" Applied Catal. A 590: 117330 (2020).
  15. D. C. Podgorski # , P. Zito , A. M. Kellerman , B. A. Bekins # , I. M. Cozzarelli , D. F. Smith , Xiaoyan Cao , Klaus Schmidt-Rohr , S. Wagmer , A. Stubbins and R. G. M. Spencer "Hydrocarbons to Carboxyl-Rich Alicyclic Molecules: A Continuum Model to Describe Biodegradation of Petroleum-Derived Dissolved Organic Matter in Contaminated Groundwater Plumes" J. Hazard. Mater. 402: 123998 (2020).
  16. Shichen Yuan and Klaus Schmidt-Rohr # "Immobilized 13C-labeled polyether chain ends confined to the crystallite surface detected by advanced NMR" Sci. Adv. 6: eabc0059 (2020).
  17. Shichen Yuan , Pu Duan , D. L. Berthier , G. Leon , H. Sommer , J.-Y. de Saint-Laumer and Klaus Schmidt-Rohr # "Multinuclear solid-state NMR of complex nitrogen-rich polymeric microcapsules: Weight fractions, spectral editing, component mixing, and persistent radicals" Solid State Nucl. Magn. Reson. 106: 101650 (2020).
  18. Klaus Schmidt-Rohr "Analysis of Two Definitions of the Mole That Are in Simultaneous Use, and Their Surprising Consequences" J. Chem. Educ. 97: 597-602 (2020).
  19. P. G. M. Mileo , Shichen Yuan , S. Ayala Jr. , Pu Duan , R. Semino , Seth M. Cohen # , Klaus Schmidt-Rohr # and Guillaume Maurin # "Structure of the Polymer Backbones in polyMOF Materials" J. Am. Chem. Soc. 142: 10863–10868 (2020).
  20. M. Tyufekchiev # , K. Ralph , Pu Duan , Shichen Yuan , Klaus Schmidt-Rohr and M. T. Timko "Rapid Depolymerization of Decrystallized Cellulose to Soluble Products via Ethanolysis under Mild Conditions" ChemSusChem 13: 2634 (2020).
  21. Klaus Schmidt-Rohr "Oxygen Is the High-Energy Molecule Powering Complex Multicellular Life: Fundamental Corrections to Traditional Bioenergetics" ACS Omega 5: 2221-2233 (2020).
  22. Abebu Kassie , Pu Duan , Eric T. McClure , Klaus Schmidt-Rohr , Patrick M. Woodward and Casey R. Wade "Synthesis and Reactivity of Zr MOFs Assembled from PNNNP-Ru Pincer Complexes" Organometallics 38: 3419-3428 (2019).
  23. M. Tyufekchiev , Alex Kolodziejczak , Pu Duan , Marcus Foston , Klaus Schmidt-Rohr and M. T. Timko "Reaction Engineering Implications of Cellulose Crystallinity and Water-Promoted Recrystallization" RCS Green Chemistry : 5541-5555 (2019).
  24. Keith J. Fritzsching , Pu Duan , Erik M. Alberts , Andrés M Tibabuzo Perdomo , Jonathan J. Wilker and Klaus Schmidt-Rohr "A Silk-like Protein with Organic Radicals Identified in Oyster Adhesive by Solid-State NMR" ACS Applied Bio Materials 2: 2840-2852 (2019).
  25. Pu Duan , Bo Zhi , Luke Coburn , Christy L. Haynes and Klaus Schmidt-Rohr "A molecular fluorophore in carbon dots synthesized from citric acid and ethylenediamine identified and quantified by multinuclear solid-state NMR" Magn. Reson. Chem. 58: 1130-1138 (2019).
  26. Keith J. Fritzsching , Pu Duan , Erik M. Alberts , Andrés M Tibabuzo Perdomo , Paul Kenny , Jonathan J. Wilker and Klaus Schmidt-Rohr "Isomerization behaviors of spiropyran derivatives in neat condensed phase were studied to understand their unusual phase transitions including cold-crystallization after extreme supercooling down to −50 °C. Compounds with different functional groups were compared, and the equilibrium between isomers" ACS Applied Bio Materials : 2840-2852 (2019).
  27. Pu Duan , Jessica C. Moreton , Sergio R. Tavares , R. Semino , Guillaume Maurin , Seth M. Cohen and Klaus Schmidt-Rohr "Polymer Infiltration into Metal-organic Frameworks in Mixed-matrix Membranes Detected In Situ by NMR" J. Am. Chem. Soc. 141: 7589-7595 (2019).
  28. Abebu Kassie , Pu Duan , Eric T. McClure , Klaus Schmidt-Rohr , Patrick M. Woodward and Casey R. Wade "Postsynthetic Metal Exchange in a Metal-Organic Framework Assembled from Co(III) Diphosphine Pincer Complexes" Inorganic Chemistry 58: 3227-3236 (2019).
  29. W. Chu , Xiaoyan Cao , Klaus Schmidt-Rohr , Justin E. Birdwell and Jingdong Mao "Investigation into the Effect of Heteroatom Content on Kerogen Structure Using Advanced 13C Solid-State Nuclear Magnetic Resonance Spectroscopy" Energy & Fuels 33: 645-653 (2019).
  30. M. A. Gerkman , Shichen Yuan , Pu Duan , Klaus Schmidt-Rohr and Grace G. D. Han # "Phase transition of spiropyrans: impact of isomerization dynamics at high temperatures" Chem. Commun. 55: 5813-5816 (2019).
  31. Pu Duan and Klaus Schmidt-Rohr # "Quick, Selective NMR Spectra of C-OH Moieties in 13C-enriched Solids" J. Magn. Reson. 301: 80-84 (2019).
  32. B. Reiner , N. T. Mucha , A. Rothstein , J. S. Temme , Pu Duan , Klaus Schmidt-Rohr , B. M. Foxman and Casey R. Wade # "Zirconium Metal–Organic Frameworks Assembled from Pd and Pt PNNNP Pincer Complexes: Synthesis, Postsynthetic Modification, and Lewis Acid Catalysis" Inorg. Chem. 57: 2663-2672 (2018).
  33. Xiaoyan Cao and Klaus Schmidt-Rohr # "Abundant Nonprotonated Aromatic and Oxygen-Bonded Carbons Make Humic Substances Distinct from Biopolymers" Environ. Sci. Technol. Lett. 5: 476-480 (2018).
  34. Y.-L. Zhang , L.-J. Li , S.-H Yao , Jingdong Mao , Klaus Schmidt-Rohr , D. C. Olk , Xiaoyan Cao , J-F. Cui and B. Zhang # "Distinct changes in composition of soil organic matter with length of cropping time in subsoils of a Phaeozem and Chernozem" Eur. J. Soil Sci. 68: 868-878 (2018).
  35. Pu Duan , X. Li , S. J. Juhl , B. Chen , D. Koeplinger , Vincent H. Crespi , J. V. Badding # and Klaus Schmidt-Rohr # "The Chemical Structure of Carbon Nanothreads Analyzed by Advanced Solid-State NMR" J. Am. Chem. Soc. 140: 7658-7666 (2018).
  36. Pu Duan , Xiaoyan Cao , H. N. Pham , A. K. Datye and Klaus Schmidt-Rohr # "Carbon overlayers from 2,3-naphthalenediol pyrolysis on mesoporous SiO2 and Al2O3 studied by solid-state NMR" Materials 11: 980 (2018).
  37. J. Huo , Pu Duan , H. N. Pham , Y. J. Chan , A. K. Datye , Klaus Schmidt-Rohr and B. H. Shanks # "Improved hydrothermal stability of Pd nanoparticles on nitrogen-doped carbon supports" Catal. Sci. Technol. 8: 3548-3561 (2018).
  38. X. Li , T. Wang , Pu Duan , M. Baldini , H.-T. Huang , B. Chen , D. Koeplinger , Vincent H. Crespi , Klaus Schmidt-Rohr , R. Hoffmann , M. Guthrie and J. V. Badding # "Carbon Nitride Nanothread Crystals Derived from Pyridine" J. Am. Chem. Soc. 140: 4969-4972 (2018).
  39. T. Wang , Pu Duan , E. Xu , B. Vermilyea , B. Chen , X. Li , J. V. Badding , Klaus Schmidt-Rohr and Vincent H. Crespi # "Constraining Carbon Nanothread Structures with Experimental and Calculated Nuclear Magnetic Resonance Spectra" Nano Lett. 18: 4934-4942 (2018).
  40. Xiaoyan Cao , George Aiken , Kenna Butler , Jingdong Mao # and Klaus Schmidt-Rohr "Comparison of the Chemical Composition of Dissolved Organic Matter in Three Lakes in Minnesota" Environ. Sci. Technol. 52: 1747-1755 (2018).
  41. Y.-L. Zhang , S.-H Yao , Xiaoyan Cao , Klaus Schmidt-Rohr , D. C. Olk , Jingdong Mao # and B. Zhang # "Structural evidence for soil organic matter turnover following glucose addition and microbial controls over soil carbon change at different horizons of a Mollisol" Soil Biol. Biochem. 119: 63-73 (2018).
  42. M. Tyufekchiev , Pu Duan , Klaus Schmidt-Rohr , S. G. Focil , M. T. Timko # and M. H. Emmert # "Cellulase-Inspired Solid Acids for Cellulose Hydrolysis: Structural Explanations for High Catalytic Activity" ACS Catal. 8: 1464-1468 (2018).
  43. J. Huo , Robert L. Johnson , Pu Duan , H. N. Pham , D. Mendivelso-Perez , E. A. Smith , A. K. Datye , Klaus Schmidt-Rohr and B. H. Shanks # "Stability of Pd Nanoparticles on Carbon-Coated Supports under Hydrothermal Conditions" Sci. Technol. 8: 1151-1160 (2018).
  44. Klaus Schmidt-Rohr "How Batteries Store and Release Energy: Explaining Basic Electrochemistry" J. Chem. Educ. 95: 1801-1810 (2018).
  45. J. Xie , Pu Duan , N. Kaylor , K. Yin , B. Huang , Klaus Schmidt-Rohr and Robert Davis # "Deactivation of Supported Pt Catalysts during Alcohol Oxidation Elucidated by Spectroscopic and Kinetic Analysis" ACS Catal. 7: 6745-6756 (2017).
  46. C. E. Brewer , E. T. Hall , Klaus Schmidt-Rohr , D. A. Laird , R. C. Brown # and K. Zygourakis "Temperature and reaction atmosphere effects on the properties of corn stover biochar" Environ. Progress Sustain. Energy 36: 696-707 (2017).
  47. Xiaoyan Cao , M. R. Mulholland , J. R. Helms , P. W. Bernhardt , Pu Duan , Jingdong Mao and Klaus Schmidt-Rohr # "A Major Step in Opening the Black Box of High-Molecular-Weight Dissolved Organic Nitrogen by Isotopic Labeling of Synechococcus and Multibond Two-Dimensional NMR" Analyt. Chem. 89: 11990-11998 (2017).
  48. N. Zhou , Xiaoyan Cao , X. Du , Huaimin Wang , M. Wang , S. Liu , K. Nguyen , Klaus Schmidt-Rohr , Q. Xu , G. Liang and Bing Xu # "Hyper-Crosslinkers Lead to Temperature- and pH-Responsive Polymeric Nanogels with Unusual Volume Change" Angew. Chem. Int. Ed. 56: 1-6 (2017).
  49. Xiaoyan Cao , George Aiken , Kenna Butler , T. G. Huntington , W. M. Balch , Jingdong Mao and Klaus Schmidt-Rohr # "Evidence of Major Input of Riverine Organic Matter into the Ocean" Org. Geochem. 116: 62-76 (2017).
  50. Keith J. Fritzsching , K. Mao and Klaus Schmidt-Rohr # "Avoidance of Density Anomalies as a Structural Principle for Semicrystalline Polymers: The Importance of Chain Ends and Chain Tilt" Macromolecules 50: 1521-1540 (2017).
  51. Jingdong Mao , Xiaoyan Cao , D. C. Olk and Klaus Schmidt-Rohr # "Advanced solid-state NMR spectroscopy of natural organic matter" Prog. Nucl. Magn. Reson. Spectros. 100: 17-100 (2017).
  52. Pu Duan and Klaus Schmidt-Rohr # "Composite-pulse and partially dipolar dephased multiCP for improved quantitative solid-state 13C solid-state NMR" J. Magn. Reson. 285: 68 - 78 (2017).
  53. Huaimin Wang , Z. Feng , D. Wu , Keith J. Fritzsching , M. Rigney , J. Zhou , Y. Jiang , Klaus Schmidt-Rohr and Bing Xu # "Enzyme-regulated supramolecular assemblies of cholesterol conjugates against drug-resistant ovarian cancer cells" J. Am. Chem. Soc. 138: 10758 (2016).
  54. E. M. Levin # , J-F. Cui and Klaus Schmidt-Rohr # "Sub-millisecond 125Te NMR spin-lattice relaxation times and large Knight shifts in complex tellurides: validation of a quadratic relation across the spectrum" Solid State NMR 78: 40-44 (2016).
  55. Robert J. Comito , Keith J. Fritzsching , Benjamin J. Sundell , Klaus Schmidt-Rohr and Mircea Dinca # "Single-Site Heterogeneous Catalysts for Olefin Polymerization Enabled by Cation Exchange in a Metal-Organic Framework" J. Am. Chem. Soc. 138: 10232-10237 (2016).
  56. Xiaoyan Cao , George Aiken # , R. G. M. Spencer , Kenna Butler , Jingdong Mao # and Klaus Schmidt-Rohr "Novel insights from NMR spectroscopy into seasonal changes in the composition of dissolved organic matter exported to the Bering Sea by the Yukon River" Geochim. Cosmochim. Acta 181: 72–88 (2016).
  57. Xiaoyan Cao , C. Lattao , Klaus Schmidt-Rohr , Jingdong Mao # and J. -J. Pignatello # "Investigation of sorbate-induced plasticization of Pahokee peat by solid-state NMR spectroscopy" J. Soil Sediments 16: 1841-1848 (2016).
  58. Samantha A. Burgess , Abebu Kassie , Sarah A. Baranowski , Keith J. Fritzsching , Klaus Schmidt-Rohr , Craig M. Brown and Casey R. Wade # "Improved Catalytic Activity and Stability of a Palladium Pincer 2 Complex by Incorporation into a Metal−Organic Framework" J. Am. Chem. Soc. 138: 1780-1783 (2016).
  59. Keith J. Fritzsching # , Mei Hong and Klaus Schmidt-Rohr # "Conformationally selective multidimensional chemical shift ranges in proteins from a PACSY database purged using intrinsic quality criteria" J. Biomol. NMR 64: 115-130 (2016).
  60. Jonathan K. Williams , Klaus Schmidt-Rohr and Mei Hong "Aromatic spectral editing techniques for magic-angle-spinning solid-state NMR spectroscopy of uniformly 13C-labeled proteins" Solid State NMR 72: 118-126 (2015).
  61. Tuo Wang * , Jonathan K. Williams * , Klaus Schmidt-Rohr and Mei Hong # " Relaxation-compensated difference spin diffusion NMR for detecting 13C-13C long-range correlations in proteins and polysaccharides" J. Biomol. NMR 61: 97-107 (2015).
  62. Klaus Schmidt-Rohr "Why Combustions Are Always Exothermic, Yielding About 418 kJ per Mole of O2" J. Chem. Educ., 92: 2094-2099 (2015).
  63. Klaus Schmidt-Rohr # and J-F. Cui "Reply to “Comment on ‘Quantification of C═C and C═O Surface Carbons in Detonation Nanodiamond by NMR’”" J. Phys. Chem. C. 119: 21288–21291 (2015).
  64. H. N. Pham , A. E. Anderson , Robert L. Johnson , T. J. Schwartz , Brandon J. O'Neill , Pu Duan , Klaus Schmidt-Rohr , J. A. Dumesic and A. K. Datye # "Carbon Overcoating of Supported Metal Catalysts for Improved Hydrothermal Stability" ACS Catal. 5: 4546–4555 (2015).
  65. Xiaoyan Cao , C. Lattao , J. -J. Pignatello , Jingdong Mao and Klaus Schmidt-Rohr "Sorption Selectivity in Natural Organic Matter Probed with Carbonyl-13C-Labeled Benzophenone and 1H-13C NMR Spectroscopy" Environ. Sci. Technol. 8: 8645-8652 (2014).
  66. J. M. Anderson , Robert L. Johnson , Klaus Schmidt-Rohr and B. H. Shanks "Hydrothermal Degradation of Model Sulfonic Acid Compounds: Probing the Relative Sulfur-Carbon Bond Strength" Catalysis Comm. 51: 33-36 (2014).
  67. C. Lattao , Xiaoyan Cao , Jingdong Mao , Klaus Schmidt-Rohr and J. Pignatello "Influence of Molecular Structure and Adsorbent Properties on Sorption of Organic Compounds to a Temperature Series of Wood Chars" Environ. Sci. Techn. 48: 4790-4798 (2014).
  68. Klaus Schmidt-Rohr "Expansion Work without the External Pressure, and Thermodynamics in Terms of Quasistatic Irreversible Processes" J. Chem. Educ. 91: 402-409 (2014).
  69. T. J. Schwartz , Robert L. Johnson , J. Cardenas , A. Okerlund , N. A. Da Silva , Klaus Schmidt-Rohr and J. A. Dumesic "Engineering Catalyst Microenvironments for Metal-Catalyzed Hydrogenation of Biologically Derived Platform Chemicals" Angew. Chemie Int. Ed. 53: 12718 (2014).
  70. J. R. Helms , A. Stubbins , R. Spencer , Klaus Schmidt-Rohr , P. Hernes , Jingdong Mao and K. Mopper "Loss of optical and molecular indicators of terrigenous dissolved organic matter during long-term photobleaching" Aquatic Sciences 76: 353-373 (2014).
  71. J. M. Anderson , Robert L. Johnson , Klaus Schmidt-Rohr and B. H. Shanks "Solid State NMR of Chemical Structure and Hydrothermal Deactivation of Moderate-Temperature Carbon Materials with Acidic SO3H Sites" Carbon 74: 333-345 (2014).
  72. Robert L. Johnson , J. M. Anderson , B. H. Shanks and Klaus Schmidt-Rohr "Simple One-Step Synthesis of Aromatic-Rich Materials with High Concentrations of Hydrothermally Stable Catalytic Sites, Validated by NMR" Chem. Mater. 26: 5523 (2014).
  73. Robert L. Johnson and Klaus Schmidt-Rohr "Quantitative Solid-State 13C NMR Spectra with Signal Enhancement by Multiple Cross-Polarization" J. Magn. Reson. 239: 44-49 (2014).
  74. J-F. Cui , Xiaowen Fang and Klaus Schmidt-Rohr "Quantification of C=C and C=O Surface Carbons in Nanodiamond by NMR" J. Chem. Phys. C 118: 9612-9627 (2014).
  75. Z. Zhou , Xiaoyan Cao , Klaus Schmidt-Rohr , D. C. Olk , S. Zhuang , J. Zhou , Xiaoyan Cao and Jingdong Mao "Similarities in chemical composition of soil organic matter across a millennia-old paddy soil chronosequence as revealed by advanced solid-state NMR spectroscopy" Biol. Fertil. Soils 50: 571-581 (2014).
  76. X. Liu , Q. Ge , A. Rawal , G. Parada , Klaus Schmidt-Rohr , A. Akinc and S. K. Mallapragada "Templated and bioinspired aqueous phase synthesis and characterization of mesoporous zirconia" Sci. Adv. Mater. 5: 354-365 (2013).
  77. J. R. Helms , Klaus Schmidt-Rohr , Jingdong Mao , H. Abdulla and K. Mopper "Photochemical Flocculation of Terrestrial Dissolved Organic Matter and Iron" Geochim. Cosmochim. Acta 121: 398-413 (2013).
  78. E. M. Levin , J. P. Heremans , M. G. Kanatzidis and Klaus Schmidt-Rohr "Electronic inhomogeneity in n- and p-types PbTe detected by 125Te NMR" Phys. Rev. B 88: 115211 (2013).
  79. Jonathan K. Williams , Klaus Schmidt-Rohr and Mei Hong "Solid-state NMR investigation of the pH-dependent structure and dynamics of the gating residue of the influenza M2 proton channel" Biophysical J. 104: 1698-1708 (2013).
  80. E. M. Barros Soares , I. R. Silva # , Roberto Ferreira de Novais , Yanyan Hu and Klaus Schmidt-Rohr "Alterations in molecular composition of humic and fulvic acids by eucalypt cultivation in soils from distinct biomes in Brazil assessed by advanced 13C NMR spectroscopy" Soil Sci. Soc. Am. J. 23: 747-757 (2013).
  81. Keith J. Fritzsching , Y. Yang , Klaus Schmidt-Rohr and Mei Hong # "Practical Use of Chemical Shift Databases for Protein Solid-State NMR: 2D Chemical Shift Maps and Amino-Acid Assignment with Secondary-Structure Information" J. Biomol. NMR 56: 155-167 (2013).
  82. Robert L. Johnson , J. M. Anderson , B. H. Shanks , Xiaowen Fang , Mei Hong and Klaus Schmidt-Rohr "Spectrally Edited 2D 13C-13C NMR Spectra without Diagonal Ridge for Characterizing 13C-Enriched Low-Temperature Carbon Materials" J. Magn. Reson. 234: 112-124 (2013).
  83. Mei Hong and Klaus Schmidt-Rohr "Magic-Angle-Spinning NMR Techniques for Measuring Long-Range Distances in Biological Macromolecules" Acc. Chem. Res., 46: 2154-2163 (2013).
  84. S. N. Girard , Klaus Schmidt-Rohr , T. C. Casapis , Euripides Hatzikraniotis , B. Njegic , E. M. Levin , A. Rawal , K. M. Paraskevopoulos and M. G. Kanatzidis "Analysis of Phase Separation in High Performance PbTe–PbS Thermoelectric Materials" Adv. Funct. Mater. 23: 747-757 (2013).
  85. B. Njegic , E. M. Levin and Klaus Schmidt-Rohr "125Te NMR Chemical Shift Trends in Pb-Ge-Te and Pb-Sn-Te Materials" Solid State NMR 5556: 79-83 (2013).
  86. X. Ma , L. Klosterman , Yanyan Hu , X. Liu , Klaus Schmidt-Rohr , S. K. Mallapragada and M. Akinc "Aqueous Route Synthesis of Mesoporous ZrO2 by Agarose Templation" J. Am. Ceram. Soc. 95: 3455-3462 (2012).
  87. Jingdong Mao , Robert L. Johnson , J. Lehmann , D. C. Olk , E. G. Neves , M. L. Thompson and Klaus Schmidt-Rohr "Abundant and Stable Char in Soil: Implications for Soil Fertility and Carbon Sequestration" Environ. Sci. Technol. 46: 9571-6 (2012).
  88. J. R. Helms , X-Q. Kong , Klaus Schmidt-Rohr and Jingdong Mao "Structural characterization of gilsonite bitumen by advanced nuclear magnetic resonance spectroscopy and ultrahigh resolution mass spectrometry revealing pyrrolic and aromatic rings substituted with aliphatic chains" Org. Geochem. 44: 21-36 (2012).
  89. Jingdong Mao , Xueqian Kong , Klaus Schmidt-Rohr , J. -J. Pignatello and E. M. Perdue "Advanced Solid-State NMR Characterization of Marine Dissolved Organic Matter Isolated Using the Coupled Reverse Osmosis/Electrodialysis Method" Environ. Sci. Technol. 46: 5806-5814 (2012).
  90. E. M. Levin , S. L. Budko and Klaus Schmidt-Rohr "Enhancement of thermopower of TAGS-85 high-performance thermoelectric material via doping with Dy" Adv. Funct. Mater. 22: 2766-2774 (2012).
  91. F. Hu , Klaus Schmidt-Rohr and Mei Hong "NMR Detection of pH-Dependent Histidine-Water Proton Exchange Reveals the Conduction Mechanism of a Transmembrane Proton Channel" J. Am. Chem. Soc. 134: 3703-3713 (2012).
  92. C. E. Brewer , Yanyan Hu , Klaus Schmidt-Rohr , S. D. Joseph , T. E. Loynachan , D. A. Laird and R. C. Brown "Extent of Pyrolysis Impacts on Fast Pyrolysis Biochar Properties" J. Environm. Quality 41: 1115-1122 (2012).
  93. M. D. Nielsen , E. M. Levin , C. M. Jaworski , Klaus Schmidt-Rohr and J. P. Heremans "Chromium as resonant donor impurity in PbTe" Phys. Rev. B 85: 045210 (2012).
  94. C. Lattao , Xiaoyan Cao , Y. Li , Jingdong Mao , Klaus Schmidt-Rohr , M. A. Chappell , L. F. Miller , A. L. dela Cruz and J. Pignatello "Sorption Selectivity in Natural Organic Matter Studied with Nitroxyl Paramagnetic Relaxation Probes" Environ. Sci. Technol. 46: 12814-12822 (2012).
  95. H. N. Pham , A. E. Anderson , Robert L. Johnson , Klaus Schmidt-Rohr and A. K. Datye "Improved Hydrothermal Stability of Mesoporous Oxides for Aqueous Phase Reactions" Angew. Chemie Int. Ed. 51: 13163-13167 (2012).
  96. Klaus Schmidt-Rohr , Keith J. Fritzsching , Tuo Wang , S. Y. Liao and Mei Hong # "Spectral Editing of Two-Dimensional Magic-Angle-Spinning Solid-State NMR Spectra for Protein Resonance Assignment and Structure Determination" J. Biomol. NMR 54: 343 (2012).
  97. Yanyan Hu and Klaus Schmidt-Rohr "Technical Aspects of Fast Magic-Angle Turning NMR for Dilute Spin-1/2 Nuclei with Broad Spectra" Solid State NMR 40: 51-59 (2011).
  98. Jingdong Mao , Xiaowen Fang , R. M. Cory , D. M. McKnight and Klaus Schmidt-Rohr "15N and 13C{14N} NMR Investigation of the Major Nitrogen-Containing Segment in an Aquatic Fulvic Acid: Evidence for a Hydantoin Derivative" Magn. Reson. Chem. 49: 775-780 (2011).
  99. A. Rawal , X-Q. Kong , Y. Meng , J. Otaigbe and Klaus Schmidt-Rohr "Reduced crystallinity and mobility of nylon-6 confined near the organic-inorganic interface in a phosphate-glass-rich composite detected by 1H-13C NMR" Macromolecules 44: 8100-8105 (2011).
  100. C. E. Brewer , R. Unger , Klaus Schmidt-Rohr and R. C. Brown "Selection of biochars for a field study based on biochar properties and selected short-term soil effects" BioEnergy Research 4: 312-323 (2011).
  101. Yanyan Hu , X. Liu , X. Ma , J. Yang , A. Rawal , M. Akinc , T. Prozorov , S. K. Mallapragada and Klaus Schmidt-Rohr "Biomimetic Self-assembling Copolymer-Hydroxyapatite Nanocomposites with the Nanocrystal Size Controlled by Citrate" Chem. Mater. 23: 2481-90 (2011).
  102. Xiaowen Fang and Klaus Schmidt-Rohr "Alkyl and Other Major Structures Formed in Model Maillard Reactions Studied by Solid-State NMR" J. Agric. Food Chem. 59: 481-490 (2011).
  103. E. M. Levin , B. A. Cook , J. L. Harringa , S. L. Budko , R. Venkatasubramanian and Klaus Schmidt-Rohr "Magnetic, electronic, thermal, and 125Te NMR analysis of TAGS-85 thermoelectric material doped with Ce and Yb" Adv. Funct. Mater. 21: 441-447 (2011).
  104. X-Q. Kong and Klaus Schmidt-Rohr "Water–Polymer Interfacial Area in Nafion: Comparison with Structural Models" Polymer 52: 1971-1974 (2011).
  105. Xiaowen Fang , T. Chua , Klaus Schmidt-Rohr and M. L. Thompson "Quantitative 13C NMR of Whole and Fractionated Iowa Mollisols for Assessment of Organic Matter Composition" Geochim. Cosmochim. Acta 74: 584-598 (2010).
  106. S. D. Cady , Klaus Schmidt-Rohr , J. Wang , C. Soto , W. F. DeGrado and Mei Hong "Structure of the Amantadine Binding Site of Influenza M2 Proton Channel in Lipid Bilayers" Nature 463: 689 (2010).
  107. Yanyan Hu , A. Rawal and Klaus Schmidt-Rohr "Strongly bound citrate stabilizes the apatite nanocrystals in bone" Proc. Natl. Acad. Sci. USA 107: 22425-22429 (2010).
  108. Jingdong Mao , Xiaowen Fang , Y. Lan , A. Schimmelmann , M. Mastalerz , L. Xu and Klaus Schmidt-Rohr "Chemical and nanometer structure of kerogen and its change during thermal maturation investigated by advanced solid-state 13C NMR spectroscopy" Geochim. Cosmochim. Acta 74: 2110-2127 (2010).
  109. E. M. Levin , B. A. Cook , K. Ahn , M. G. Kanatzidis and Klaus Schmidt-Rohr "Electronic Inhomogeneity and Ag:Sb Ratio in Ag1-xPb18Sb1+yTe20 High-Performance Thermoelectrics Elucidated by 125Te and 207Pb NMR" Phys. Rev. B 80: 115211-1 to -6 (2009).
  110. C. E. Brewer , Klaus Schmidt-Rohr , J. A. Satrio and R. C. Brown "Characterization of Biochar from Fast Pyrolysis and Gasification Systems" Environ. Progr. Sust. Energy 28: 386-396 (2009).
  111. C. M. Jaworski , J. Tobola , E. M. Levin , Klaus Schmidt-Rohr and J. P. Heremans "Antimony as an Amphoteric Dopant in Lead Telluride" Phys. Rev. B 80: 125208-1 to –10 (2009).
  112. Yanyan Hu , Y. Yusufoglu , M. Kanapathipillai , J. Yang , P. Thiyagarajan , T. Deming , M. Akinc , Klaus Schmidt-Rohr and S. K. Mallapragada "Self-assembled calcium phosphate nanocomposites using block copolypeptide templates" Soft Matter 5: 4311-4320 (2009).
  113. E. M. Rockafellow , Xiaowen Fang , Klaus Schmidt-Rohr and W. S. Jenks "Solid-State 13C NMR Characterization of Carbon-Modified TiO2" Chem. Mater. 21: 1187-1197 (2009).
  114. Yanyan Hu and Klaus Schmidt-Rohr "Effects of L-spin Longitudinal Quadrupolar Relaxation in S{L} Heteronuclear Recoupling and S-spin Magic-Angle Spinning NMR" J. Magn. Reson. 197: 193-207 (2009).
  115. X-Q. Kong , K. Wadhwa , J. G. Verkade and Klaus Schmidt-Rohr "Determination of the Structure of a Novel Anion Exchange Fuel Cell Membrane by Solid-State Nuclear Magnetic Resonance Spectroscopy" Macromolecules 42: 1659-1664 (2009).
  116. Xiaowen Fang , Jingdong Mao , E. M. Levin and Klaus Schmidt-Rohr "Nonaromatic Core-Shell Structure of Nanodiamond from Solid–State NMR" J. Am. Chem. Soc. 131: 1426-1435 (2009).
  117. Xiaowen Fang and Klaus Schmidt-Rohr "The Fate of the Amino Acid in Glucose-Glycine Melanoidins Investigated by Solid-State NMR" J. Agric. Food Chem. 57: 10701-10711 (2009).
  118. Yanyan Hu , E. M. Levin and Klaus Schmidt-Rohr "Broadband 'Infinite-Speed' Magic-Angle Spinning NMR Spectroscopy" J. Am. Chem. Soc. 131: 8390-8391 (2009).
  119. Y. Yusufoglu , Yanyan Hu , M. Kanapathipillai , M. Kramer , E. Kalay , P. Thiyagarajan , M. Akinc , Klaus Schmidt-Rohr and S. K. Mallapragada "Bioinspired synthesis of self-assembled calcium phosphate nanocomposites using block copolymer-peptide conjugates" J. Mater. Res. 23: 3196-3212 (2008).
  120. Jingdong Mao , D. C. Olk , Xiaowen Fang , Z. He , J. Gleason and Klaus Schmidt-Rohr "Influence of animal manure application on the chemical structures of soil organic matter as investigated by advanced solid-state NMR and FT-IR spectroscopy" Geoderma 146: 353-362 (2008).
  121. Klaus Schmidt-Rohr and Qiang Chen "Parallel Cylindrical Water Nanochannels in Nafion Fuel Cell Membranes" Nature Mater. 7: 75-83 (2008).
  122. E. M. Levin , Xiaowen Fang , S. L. Budko , W. E. Straszheim , R. W. McCallum and Klaus Schmidt-Rohr "The magnetization and 13C NMR spin-lattice relaxation of nanodiamonds" Phys. Rev. B 77: 054418 (2008).
  123. A. Rawal , X. Wei , M. Akinc and Klaus Schmidt-Rohr "The Dispersion of Silicate in Tricalcium Phosphate Elucidated by Solid-State NMR" Chem. Mater. 20: 2583-2591 (2008).
  124. A. Rawal , Xiaowen Fang , K. Urman , J. Otaigbe and Klaus Schmidt-Rohr "Promotion of the γ-Phase of Polyamide 6 in Its Nanocomposite with Phosphate Glass" J. Polym. Sci. Polym. Phys. Ed. 46: 857-860 (2008).
  125. M. Kanapathipillai , Y. Yusufoglu , A. Rawal , Yanyan Hu , C. -T. Lo , P. Thiyagarajan , Y. E. Kalay , M. Akinc , S. K. Mallapragada and Klaus Schmidt-Rohr "Synthesis and characterization of ionic block copolymer templated calcium phosphate nanocomposites" Chem. Mater. 20: 5922-5932 (2008).
  126. Jingdong Mao , R. M. Cory , D. M. McKnight and Klaus Schmidt-Rohr "Characterization of a Nitrogen-rich Fulvic Acid and its Precursor Algae by Solid-state NMR" Org. Geochem. 38: 1277-1292 (2007).
  127. Qiang Chen and Klaus Schmidt-Rohr "Backbone Dynamics of the Nafion Ionomer Studied by 19F-13C Solid-State NMR" Macromol. Chem. Phys. 208: 2189-2203 (2007).
  128. Jingdong Mao , L. Tremblay , J. -P. Gagne , S. Kohl , J. Rice and Klaus Schmidt-Rohr "Natural organic matter in the Saguenay Fjord and the St. Lawrence Estuary investigated by advanced solid-state NMR" Geochim. Cosmochim. Acta 71: 5483-5499 (2007).
  129. Jingdong Mao , Klaus Schmidt-Rohr , X. Fang , A. M. Carmo , L. S. Hundal and M. L. Thompson "Molecular-Scale Heterogeneity of Humic Acid in Particle-Size Fractions of Two Iowa Soils" Geoderma 140: 17-29 (2007).
  130. E. M. Levin , S. L. Budko , Jingdong Mao , Y. Huang and Klaus Schmidt-Rohr "Effect of Magnetic Particles on NMR Spectra of Murchison Meteorite Organic Matter and Polymer-based Model Systems" Solid State NMR 31: 63-71 (2007).
  131. D. Enlow , A. Rawal , M. Kanapathipillai , Klaus Schmidt-Rohr , S. K. Mallapragada , C. -T. Lo , P. Thiyagarajan and M. Akinc "Synthesis and Characterization of Self-assembled Block Copolymer Templated Calcium Phosphate Nanocomposite Gels" J. Mater. Chem. 17: 1570 – 1578 (2007).
  132. Klaus Schmidt-Rohr "Simulation of Small-Angle Scattering (SAXS or SANS) Curves by Numerical Fourier Transformation" J. Appl. Cryst. 40: 16-25 (2007).
  133. Klaus Schmidt-Rohr , A. Rawal and Xiaowen Fang "A new NMR method for determining the particle thickness in nanocomposites, using T2,H-selective X{1H} recoupling" J. Chem. Phys. 126: 054701 (2007).
  134. Gabriele Menges-Flanagan , J. Penelle , Klaus Schmidt-Rohr , C. Le Fevere de Ten Hove and A. M. Jonas "Characterization of Long-Chain Aliphatic Polyesters: Crystalline and Supramolecular Structure of PE22,4 Elucidated by X-Ray Scattering and Nuclear Magnetic Resonance" Macromolecules 40: 8714-8725 (2007).
  135. Jingdong Mao , K. M. Holtman , J. T. Scott , J. F. Kadla and Klaus Schmidt-Rohr "Differences between Lignin in Unprocessed Wood, Milled Wood, Mutant Wood, and Extracted Lignin Detected by 13C Solid-State NMR" J. Agri. Food Chem. 54: 9677-9686 (2006).
  136. Daniel M. Mowery , Douglass J. Harris and Klaus Schmidt-Rohr "Characterization of a Major Fraction of Disordered All-trans Chains in Cold-Drawn High-Density Polyethylene by Solid-State NMR" Macromolecules 39: 2856-2865 (2006).
  137. Jingdong Mao and Klaus Schmidt-Rohr "Absence of Mobile Carbohydrate Domains in Dry Humic Substances Proven by NMR, and Implications for Organic-Contaminant Sorption" Environ. Sci. Technol. 40: 1751-1756 (2006).
  138. Qiang Chen and Klaus Schmidt-Rohr "Measurement of the Local 1H Spin Diffusion Coefficient in Homogeneous Polymers" Solid State NMR 29: 142-152 (2006).
  139. A. Rawal , K. Urman , J. Otaigbe and Klaus Schmidt-Rohr "Detection of Nanometer-scale Mixing in Phosphate-Glass / Polyamide-6 Hybrids by 1H-31P NMR" Chem. Mater. 18: 6333-6338 (2006).
  140. D. C. Olk , K. G. Cassman , Klaus Schmidt-Rohr , M. M. Anders , Jingdong Mao and J. L. Deenik "Chemical stabilization of soil organic nitrogen by phenolic lignin residues in anaerobic agrosystems" Soil Biology and Biochemistry 38: 3303-3312 (2006).
  141. E. M. Levin , A. Rawal , S. L. Budko , A. Kracher and Klaus Schmidt-Rohr "Bulk magnetization and nuclear magnetic resonance of magnetically purified layered silicates and their polymer-based nanocomposites" J. Appl. Phys. 98: 114315 (2005).
  142. Jingdong Mao and Klaus Schmidt-Rohr # "Methylene Spectral Editing in Solid-State 13C NMR by Three-Spin Coherence Selection" J. Magn. Reson. 176: 1-6 (2005).
  143. Douglass J. Harris , T. J. Bonagamba , Mei Hong and Klaus Schmidt-Rohr "Two-Dimensional Solid-State NMR Studies of Crystalline Poly(ethylene oxide): Conformations and Chemical Shifts" Polymer 46: 11737-11743 (2005).
  144. P. A B. Marasinghe , J. J. Buffy , Klaus Schmidt-Rohr and Mei Hong "Protegrin-Induced Membrane Disruption Detected by 31P Exchange NMR" J. Phys. Chem. B 109: 22036-22044 (2005).
  145. M. J. Kipper , S-S. Hou , S. Seifert , P. Thiyagarajan , Klaus Schmidt-Rohr and B. Narasimhan "Nanoscale Morphology of Polyanhydride Copolymers" Macromolecules 38: 8468-8472 (2005).
  146. E. R. deAzevedo , J. R. Tozoni , Klaus Schmidt-Rohr and T. J. Bonagamba "Analysis of 1D Pure-Exchange NMR Experiments for Studying Dynamics with Broad Distributions of Correlation Times" J. Chem. Phys. 122: 154506 (2005).
  147. N. Sinha , Klaus Schmidt-Rohr and Mei Hong "Compensation for Pulse Imperfections in Rotational-Echo Double-Resonance NMR by Composite Pulses and EXORCYCLE" J. Magn. Reson. 168: 358-365 (2004).
  148. Jingdong Mao and Klaus Schmidt-Rohr "Accurate Quantification of Aromaticity and Nonprotonated Aromatic Carbon Fraction in Natural Organic Matter by 13C Solid State Nuclear Magnetic Resonance" Environ. Sci. Technol. 38: 2680-2684 (2004).
  149. Qiang Chen and Klaus Schmidt-Rohr "19F and 13C NMR Signal Assignment and Analysis in a Perfluorinated Ionomer (Nafion) by Two-dimensional Solid-State NMR" Macromolecules 37: 5995-6003 (2004).
  150. F. Becker-Guedes , E. R. deAzevedo , T. J. Bonagamba and Klaus Schmidt-Rohr "Solid-State Exchange NMR Characterization of Segmental Dynamics in Glassy Poly(alkyl methacrylate)s" Appl. Magn. Reson. 27: 383-400 (2004).
  151. E. M. Levin , S-S. Hou , S. L. Budko and Klaus Schmidt-Rohr "Magnetism and nuclear magnetic resonance of hectorite and montmorillonite layered silicates" J. Appl. Phys. 96: 5085-5092 (2004).
  152. Klaus Schmidt-Rohr , Jingdong Mao and D. C. Olk "Nitrogen-Bonded Aromatics in Soil Organic Matter and Their Implications for a Yield Decline in Intensive Rice Cropping" Proc. Natl. Acad. Sci. USA 101: 6351-6354 (2004).
  153. Jingdong Mao and Klaus Schmidt-Rohr "Separation of Aromatic-Carbon 13C NMR Signals from Di-Oxygenated Alkyl Bands by a Chemical-Shift-Anisotropy Filter" Solid State NMR 26: 36-45 (2004).
  154. S-S. Hou , Qiang Chen and Klaus Schmidt-Rohr "Two-Dimensional 13C NMR with 1H Spin Diffusion for Characterizing Domain Sizes in Unlabeled Polymers" Macromolecules 37: 1999-2001 (2004).
  155. Qiang Chen , S-S. Hou and Klaus Schmidt-Rohr "A Simple Scheme for Probehead Background Suppression in One-Pulse 1H NMR" Solid State NMR 26: 11-15 (2004).
  156. Klaus Schmidt-Rohr and Mei Hong "Measurements of Carbon to Amide-Proton Distances by C-H Dipolar Recoupling with 15N NMR Detection" J. Am. Chem. Soc. 125: 5648-5649 (2003).
  157. H. Kaji , N. Miura and Klaus Schmidt-Rohr "Rotational Motions in Atactic Poly(acrylonitrile) Studied by One- and Two-Dimensional 15N Solid-State NMR and Dielectric Measurements" Macromolecules 36: 6100-6113 (2003).
  158. S-S. Hou , F. L. Beyer , T. J. Bonagamba and Klaus Schmidt-Rohr "Clay Intercalation of Poly(styrene–ethylene oxide) Block Copolymers Studied by Multinuclear Solid-State NMR" Macromolecules 36: 2769-2776 (2003).
  159. Jingdong Mao , L. S. Hundal , M. L. Thompson and Klaus Schmidt-Rohr "Nuclear Magnetic Resonance and Diffuse-Reflectance Infrared Fourier-Transform Spectroscopy of Sludge-Derived Biocolloidal Organic Matter" Environ. Sci. Technol. 37: 1751-1757 (2003).
  160. Jingdong Mao and Klaus Schmidt-Rohr "Recoupled Long-Range C-H Dipolar Dephasing in Solid-State NMR, and Its Use for Spectral Selection of Fused Aromatic Rings" J. Magn. Reson. 162: 217-227 (2003).
  161. S-S. Hou and Klaus Schmidt-Rohr "Polymer-Clay Nanocomposites from Directly Micellized Polymer/Toluene in Water and Their Characterization by WAXD and Solid-State NMR" Chem. Mater. 15: 1938-1940 (2003).
  162. S-S. Hou , F. L. Beyer and Klaus Schmidt-Rohr "High-Sensitivity Multinuclear NMR Spectroscopy of a Smectite Clay and of Clay-Intercalated Polymer" Solid State NMR 22: 110-127 (2002).
  163. S. -F. Liu , Jingdong Mao and Klaus Schmidt-Rohr "A Robust Technique for Two-Dimensional Separation of Undistorted Chemical-Shift Powder Patterns in Magic-Angle Spinning NMR" J. Magn. Reson. 155: 15-28 (2002).
  164. Klaus Schmidt-Rohr and Jingdong Mao "Selective Dephasing of OH and NH Proton Magnetization Based on 1H Chemical-Shift Anisotropy Recoupling" J. Magn. Reson. 157: 210-217 (2002).
  165. Klaus Schmidt-Rohr and Jingdong Mao "Selective Observation of Nitrogen-Bonded Carbons in Solid State NMR by Saturation-Pulse Induced Dipolar Exchange with Recoupling" Chem. Phys. Lett. 359: 403-411 (2002).
  166. Jingdong Mao , L. S. Hundal , M. L. Thompson and Klaus Schmidt-Rohr "Correlation of Poly(methylene)-Rich Amorphous Aliphatic Domains in Humic Substances with Sorption of a Nonpolar Organic Contaminant, Phenanthrene" Environ. Sci. Tech. 36: 929-936 (2002).
  167. M. V. Giotto , C. L. Sangiorge , Douglass J. Harris , A. L. de Oliveira , Klaus Schmidt-Rohr and T. J. Bonagamba "Phase Behavior and Dynamics of the ABA Triblock Copolymer Poly(Ethylene Glycol) Distearate Doped with Alkali Metal Salts" Macromolecules 35: 3576-3583 (2002).
  168. Jingdong Mao , Wei-Guo Hu , Klaus Schmidt-Rohr , G. Davies , E. A. Ghabbour and B. Xing "Suitability of Different 13C Solid-state NMR Techniques in the Characterization of Humic Acids" Internat. J. Environ.l Analyt. Chem. 82: 183-196 (2002).
  169. Klaus Schmidt-Rohr and Jingdong Mao "Efficient CH-Group Selection and Identification in 13C Solid-State NMR by Dipolar DEPT and 1H Chemical-Shift Filtering" J. Am. Chem. Soc. 124: 13938-13948 (2002).
  170. Douglass J. Harris , T. J. Bonagamba and Klaus Schmidt-Rohr "NMR Characterization of Sodium Poly(α,L-Glutamate) / Poly(Ethylene Oxide) Blends" Macromolecules 35: 5724-5726 (2002).
  171. H. Kaji and Klaus Schmidt-Rohr "Selective Observation and Quantification of Trans Conformers in Doubly 13C-Labeled Poly(ethylene terephthalate), PET, by Zero-Quantum Magic-Angle-Spinning Solid-State NMR" Macromolecules 35: 7993-8004 (2002).
  172. H. Kaji and Klaus Schmidt-Rohr "Conformation and Dynamics of Atactic Poly(acrylonitrile). 2. Torsion Angle Distributions in Meso Dyads from Two-Dimensional Solid-State Double-Quantum 13C NMR" Macromolecules 34: 7368-7381 (2001).
  173. H. Kaji and Klaus Schmidt-Rohr "Conformation and Dynamics of Atactic Poly(acrylonitrile). 3. Characterization of Local Structure by Two-Dimensional 2H-13C Solid-State NMR" Macromolecules 34: 7382-7391 (2001).
  174. Mikhail Y. Gelfer , A. Waddon , Klaus Schmidt-Rohr , R. Gale , L. Kleiner and R. Berggren "Annealing-Induced Increase of Permeability and Amorphous-Phase Mobility in an Ethylene-Vinylacetate Copolymer" J. Polym. Sci. B: Polym. Phys. 39: 2774-2780 (2001).
  175. X. L. Yao , Klaus Schmidt-Rohr and Mei Hong "Medium- and Long-Distance 1H-13C Heteronuclear Correlation NMR in Solids" J. Magn. Reson. 149: 139-143 (2001).
  176. D. Reichert , T. J. Bonagamba and Klaus Schmidt-Rohr "Slow-Down of 13C Spin Diffusion in Organic Solids by Fast MAS: A CODEX NMR Study" J. Magn. Reson. 151: 129-135 (2001).
  177. Jingdong Mao , B. Xing and Klaus Schmidt-Rohr "New Structural Information on a Humic Acid from Two-Dimensional 1H-13C Correlation Solid-State Nuclear Magnetic Resonance" Environ. Sci. Tech. 35: 1928-1934 (2001).
  178. Klaus Schmidt-Rohr , K. Saalw&uuml , chter. chter , S. -F. Liu and Mei Hong "High-Sensitivity 2H-NMR in Solids by 1H Detection" J. Am. Chem. Soc. 123: 7168-7169 (2001).
  179. T. J. Bonagamba , F. Becker-Guedes , E. R. deAzevedo and Klaus Schmidt-Rohr "Slow Ester Sidegroup Flips in Glassy Poly(alkyl methacrylate)s Characterized by Centerband-Only Detection of Exchange (CODEX) NMR" J. Polym. Sci. B: Polym. Phys. 39: 2774-2780 (2001).
  180. S. -F. Liu and Klaus Schmidt-Rohr "High-Resolution Solid-State 13C NMR of Fluoropolymers" Macromolecules 34: 8416-8418 (2001).
  181. Kay Saalwaechter and Klaus Schmidt-Rohr "Relaxation-Induced Dipolar Exchange with Recoupling: A MAS NMR Method for Determining Heteronuclear Distances without Irradiating the Second Spin" J. Magn. Reson. 145: 161-172 (2000).
  182. Douglass J. Harris , T. J. Bonagamba , Mei Hong and Klaus Schmidt-Rohr "Conformation of Poly(Ethylene Oxide)-Hydroxybenzene Molecular Complexes Studied by Solid-State NMR" Macromolecules 33: 3375-3381 (2000).
  183. Wei-Guo Hu and Klaus Schmidt-Rohr "Characterization of Ultradrawn Polyethylene Fibers by NMR: Crystallinity, Domain Sizes, and a Highly Mobile Second Amorphous Phase" Polymer 41: 2979-2987 (2000).
  184. Wei-Guo Hu , Jingdong Mao , B. Xing and Klaus Schmidt-Rohr "Poly(methylene) Crystallites in Humic Substances Detected by Nuclear Magnetic Resonance" Environ. Sci. Tech. 34: 530-534 (2000).
  185. Jingdong Mao , Wei-Guo Hu , Klaus Schmidt-Rohr , G. Davies , E. A. Ghabbour and B. Xing "Quantitative Characterization of Humic Acids by Solid-State 13C NMR" Soil Sci. Soc. of Am. J. 64: 873-884 (2000).
  186. Matthew G. Dunbar , D. Sandstr&ouml , m. m and Klaus Schmidt-Rohr "Characterization of Polystyrene Conformation by Solid-State NMR Correlation of C-2H and 13C-13C Bond Orientations" Macromolecules 33: 6017-6022 (2000).
  187. H. Kaji and Klaus Schmidt-Rohr "Conformation and Dynamics of Atactic Poly(acrylonitrile). 1. Trans / Gauche Ratio from Double-Quantum Solid-State 13C NMR of the Methylene Groups" Macromolecules 33: 5169-5180 (2000).
  188. E. R. deAzevedo , T. J. Bonagamba and Klaus Schmidt-Rohr "Pure-Exchange Solid-State NMR" J. Magn. Reson. 142: 86-96 (2000).
  189. E. R. deAzevedo , Wei-Guo Hu , T. J. Bonagamba and Klaus Schmidt-Rohr "Principles of Centerband-Only Detection of Exchange, and Extension to Four-Time CODEX" J. Chem. Phys. 112: 8988-9001 (2000).
  190. Douglass J. Harris , T. J. Bonagamba and Klaus Schmidt-Rohr "Conformation of Poly(Ethylene Oxide) Intercalated in Clay and MoS2 Studied by Two-Dimensional Double-Quantum NMR" Macromolecules 32: 6718-6724 (1999).
  191. P. J. Willcox , D. W. Howie , Klaus Schmidt-Rohr , D. A. Hoagland , S. P. Gido , S. Pudjijanto , S. Venkatraman and L. Kleiner "Microstructure of Poly(vinyl alcohol) Hydrogels Produced by Freeze/Thaw Cycling" J. Polym. Sci., Polym. Phys. Ed. 37: 3438-3454 (1999).
  192. Wei-Guo Hu , H. Zimmermann and Klaus Schmidt-Rohr "Efficient Spin Diffusion of Transverse 13C Magnetization, without Spin Lock" Applied Magn. Reson. 17: 197-209 (1999).
  193. Wei-Guo Hu , C. Boeffel and Klaus Schmidt-Rohr "Chain Flips in Polyethylene Crystallites and Fibers Characterized by Dipolar 13C NMR" Macromolecules 32: 1611-1619 (1999).
  194. E. R. deAzevedo , Wei-Guo Hu , T. J. Bonagamba and Klaus Schmidt-Rohr "Centerband-Only Detection of Exchange: Efficient Analysis of Dynamics in Solids by NMR" J. Am. Chem. Soc. 121: 8411-8412 (1999).
  195. D. Sandstr&ouml , m. m , Mei Hong and Klaus Schmidt-Rohr "Identification and mobility of deuterated residues in peptides & proteins by 2H-13C solid-state NMR" Chem. Phys. Lett. 300: 213-220 (1999).
  196. U. Lauter , S. W. Kantor , Klaus Schmidt-Rohr and W. J. MacKnight "Vinyl-substituted silphenylene siloxane copolymers: Novel high-temperature elastomers" Macromolecules 32: 3426-3431 (1999).
  197. Wei-Guo Hu and Klaus Schmidt-Rohr "Polymer Ultradrawability: The Crucial Role of α-Relaxation Chain Mobility in the Crystallites" Acta Polymerica 50: 271-285 (1999).
  198. Matthew G. Dunbar , B. M. Novak and Klaus Schmidt-Rohr "Trans Content in Atactic Polystyrene Determined by Double-Quantum Solid-State NMR" Solid State NMR 12: 119-137 (1998).
  199. Klaus Schmidt-Rohr , W. Hu and N. Zumbulyadis "Elucidation of the Chain Conformation in a Glassy Polyester, PET, by Two-Dimensional NMR" Science 280: 714-717 (1998).
  200. Klaus Schmidt-Rohr "Complete Dipolar Decoupling of 13C, and its Use in Double-Quantum Solid-State NMR for Determining Polymer Conformations" J. Magn. Reson. 131: 209-217 (1998).
  201. K. K. Kumashiro , Klaus Schmidt-Rohr , O. J. Murphy , K. L Ouellette , W. A. Cramer and L. K. Thompson "A Novel Tool for Probing Membrane Protein Structure: Solid-State NMR with Proton Spin Diffusion and X-Nucleus Detection " J. Am. Chem. Soc. 120: 5043-5051 (1998).
  202. U. Tracht , M. Wilhelm , A. Heuer , H. Feng , Klaus Schmidt-Rohr and H. W. Spiess "Length Scale of Dynamic Heterogeneities at the Glass Transition as Determined by Multidimensional NMR" Phys. Rev. Lett. 81: 2727-2731 (1998).
  203. Ioannis S. Polios , M. Soliman , C. Lee , S. P. Gido , Klaus Schmidt-Rohr and H. H. Winter "Late Stages of Phase Separation in a Binary Polymer Blend Studied by Rheology, Optical and Electron Microscopy, and Solid-State NMR" Macromolecules 30: 4470-4480 (1997).
  204. Mei Hong , J. D. Gross , C. M. Rienstra , R. G. Griffin , K. K. Kumashiro and Klaus Schmidt-Rohr "Coupling Amplification in 2D MAS NMR and Its Application to Torsion Angle Determination in Peptides" J. Magn. Reson. 129: 85-92 (1997).
  205. Mei Hong , Klaus Schmidt-Rohr and H. Zimmermann "Conformational Constraints on the Headgroup and sn-2 Chain of Bilayer DMPC from NMR Dipolar Couplings" Biochemistry 35: 8335-8341 (1996).
  206. Klaus Schmidt-Rohr "Torsion Angle Determination in Solid 13C-Labeled Amino Acids and Peptides by Separated-Local-Field Double-Quantum NMR" J. Am. Chem. Soc. 118: 7601-7603 (1996).
  207. G. A. Barrall , Klaus Schmidt-Rohr , Y. K. Lee , K. Landfester , H. Zimmermann , G. C. Chingas and A. Pines "Rotational Diffusion Measurements of Suspended Colloidal Particles Using Two-Dimensional Exchange NMR" J. Chem. Phys. 104: 509 (1996).
  208. Klaus Schmidt-Rohr "A Double-Quantum Solid-State NMR Technique for Determining Torsion Angles in Polymers" Macromolecules 29: 3975-3981 (1996).
  209. Mei Hong , Klaus Schmidt-Rohr and D. Nanz "Study of Phospholipid Structure by 1H, 13C, & 31P Dipolar Couplings from 2D NMR" Biophys. J. 69: 1939-1950 (1995).
  210. D. Nanz , M. Ernst , Mei Hong , M. Ziegeweid , Klaus Schmidt-Rohr and A. Pines "Low-Power Decoupling with Windowless Multiple-Pulse Sequences for High-Resolution NMR Spectra of Liquid Crystals" J. Magn. Reson. A 113: 169-176 (1995).
  211. Mei Hong , Klaus Schmidt-Rohr and A. Pines "NMR Measurement of Signs and Magnitudes of C-H Dipolar Couplings in Lecithin" </a> J. Am. Chem. Soc. 117: 3310-3311 (1995).
  212. A. Schmidt , S. Lehmann , M. Georgelin , G. Katana , K. Mathauer , F. Kremer , Klaus Schmidt-Rohr , C. Boeffel , G. Wegner and W. Knoll "Molecular Dynamics of 'Hairy Rod' Molecules in the Solid State: Poly(γ-methyl L-glutamate)-co-(γ -n-octadecyl L-glutamate) in Solution-Cast Films" Macromolecules 28: 5487-5497 (1995).
  213. R. H. Lewis , H. Long , Klaus Schmidt-Rohr and H. W. Spiess "Determining Order in Polymers via Slow Magic-Angle Spinning DECODER NMR" </a> J. Magn. Reson. A 115: 26-34 (1995).
  214. Mei Hong and Klaus Schmidt-Rohr "DISTINCT NMR for Sign Determination of C-H Dipolar Couplings in Liquid-Crystalline Lipids" J. Magn. Reson. B 109: 284-290 (1995).
  215. K. Zemke , Klaus Schmidt-Rohr and H. W. Spiess "Polymer conformational structure and dynamics at the glass transition studied by multidimensional NMR" Acta Polymerica 45: 148-159 (1994).
  216. Y. K. Lee , L. Emsley , R. G. Larsen , Klaus Schmidt-Rohr , Mei Hong , L. Frydman , G. C. Chingas and A. Pines "Three-dimensional variable-angle nuclear magnetic resonance exchange spectroscopy without rotor axis hopping" J. Chem. Phys. 101: 1852-1864 (1994).
  217. Klaus Schmidt-Rohr , D. Nanz , L. Emsley and A. Pines "NMR Measurement of Resolved Heteronuclear Dipole Couplings in Liquid Crystals and Lipids" J. Phys. Chem. 98: 6668-6670 (1994).
  218. R. -R. Rietz , Klaus Schmidt-Rohr , W. H. Meyer , H. W. Spiess and G. Wegner "Anion Dynamics and Conductivity in Glassy Polyelectrolytes - a Two-Dimensional Solid-State NMR Study" Solid State Ionics 68: 151-158 (1994).
  219. Klaus Schmidt-Rohr , A. S. Kulik , H. W. Beckham , A. Ohlemacher , U. Pawelzik , C. Boeffel and H. W. Spiess "Molecular Nature of the β Relaxation in PMMA Investigated by Multidimensional NMR" Macromolecules 27: 4733-4745 (1994).
  220. A. S. Kulik , H. W. Beckham , Klaus Schmidt-Rohr , D. Radloff , U. Pawelzik , C. Boeffel and H. W. Spiess "Coupling of the α and β Processes in Poly(ethyl methacrylate) Investigated by Multidimensional NMR" Macromolecules 27: 4746-4754 (1994).
  221. D. L. Tzou , Klaus Schmidt-Rohr and H. W. Spiess "Solid-state n.m.r. studies of crystalline phases in gel-spun ultrahigh molecular weight polyethylene" Polymer 35: 4728-4733 (1994).
  222. J. Leisen , Klaus Schmidt-Rohr and H. W. Spiess "Multidimensional 2H NMR studies of the nonexponential chain relaxation of polystyrene above the glass transition" J. Non-Crystalline Solids 172174: 737-750 (1994).
  223. B. F. Chmelka , Klaus Schmidt-Rohr and H. W. Spiess "Molecular Orientation Distribution in Poly(ethylene terephthalate) Thin Films and Fibers from Multidimensional DECODER NMR Spectroscopy" Macromolecules 26: 2282-2296 (1993).
  224. W. Z. Cai , Klaus Schmidt-Rohr , N. Egger , B. Gerharz and H. W. Spiess "A solid-state n.m.r. study of microphase structure and segmental dynamics of poly(styrene-b-methylphenylsiloxane) diblock copolymers" Polymer 34: 267-276 (1993).
  225. J. Clauss , Klaus Schmidt-Rohr and H. W. Spiess "Determination of domain sizes in heterogeneous polymers by solid-state NMR" Acta Polymerica 44: 1-17 (1993).
  226. Klaus Schmidt-Rohr , M. Wilhelm , A. Johansson and H. W. Spiess "Determination of Chemical-Shift Tensor Orientations in Methylene Groups by Separated-Local-Field NMR" Magn. Reson. in Chem. 31: 352-356 (1993).
  227. K. Zemke , Klaus Schmidt-Rohr , J. H. Magill , H. Sillescu and H. W. Spiess "Molecular Dynamics near the Glass Transition: A Two-Dimensional 13C NMR Study of 1,3,5-Tri-α-Naphthylbenzene" Mol. Phys. 80: 1317-1330 (1993).
  228. S. Spiegel , Klaus Schmidt-Rohr , C. Boeffel and H. W. Spiess "1H spin diffusion coefficient of highly mobile polymers" Polymer 34: 4566-4569 (1993).
  229. M. Wilhelm , S. F&eacute , aux de Lacroix. aux de Lacroix , J. J. Titman , Klaus Schmidt-Rohr and H. W. Spiess "The orientation distribution in an industrial sample of poly(p-phenylene terephthalamide) determined by two- and three-dimensional NMR techniques" Acta Polymerica 44: 279-284 (1993).
  230. R. G. Larsen , J. Shore , Klaus Schmidt-Rohr , L. Emsley , H. Long , A. Pines , M. Janicke and B. F. Chmelka "NMR Study of Xenon Dynamics and Energetics in Na-A Zeolite" Chem. Phys. Lett. 214: 220-226 (1993).
  231. J. Leisen , Klaus Schmidt-Rohr and H. W. Spiess "Nonexponential relaxation functions above Tg analysed by multidimensional NMR and novel spin-echo decay techniques" Physica A 201: 79-87 (1993).
  232. J. Clauss , Klaus Schmidt-Rohr , A. Adam , C. Boeffel and H. W. Spiess "Stiff Macromolecules with Aliphatic Side Chains: Side Chain Mobility, Conformation, and Organization from 2D Solid-State NMR Spectroscopy" Macromolecules 25: 5208-5214 (1992).
  233. Klaus Schmidt-Rohr , J. Clauss and H. W. Spiess "Correlation of Structure, Mobility, and Morphological Information in Heterogeneous Polymeric Materials by Two-Dimensional Wideline-Separation NMR" Macromolecules 25: 3273-3277 (1992).
  234. H. W. Spiess and Klaus Schmidt-Rohr "Multidimensional Solid State NMR Studies of Chain Motion in Polymers" Polymer Preprints (ACS) 331: 68-71 (1992).
  235. N. Egger , Klaus Schmidt-Rohr , B. Bl&uumlmich , W. -D. Domke and B. Stapp "Solid State NMR Investigation of Cationic-Polymerized Epoxy Resins" J. Appl. Polym. Sci. 44: 289-295 (1992).
  236. Klaus Schmidt-Rohr , D. Schaefer , M. Hehn and H. W. Spiess "Two-dimensional NMR with sample flip for characterizing orientation distributions, and its analogy to x-ray scattering" J. Chem. Phys. 97: 2247-2262 (1992).
  237. Klaus Schmidt-Rohr and H. W. Spiess "Nature of Nonexponential Loss of Correlation above the Glass Transition Investigated by Multidimensional NMR" Phys. Rev. Lett. 66: 3020-3023 (1991).
  238. K. Zemke , B. F. Chmelka , Klaus Schmidt-Rohr and H. W. Spiess "Conformational Exchange near the Glass Transition: Two-Dimensional 13C NMR Study of Atactic Polypropylene" Macromolecules 24: 6874-6876 (1991).
  239. Klaus Schmidt-Rohr and H. W. Spiess "Chain Diffusion between Crystalline and Amorphous Regions in Polyethylene Detected by 2D Exchange 13C NMR" Macromolecules 24: 5288-5293 (1991).
  240. Klaus Schmidt-Rohr , J. Clauss , B. Bl&uumlmich and H. W. Spiess "Miscibility of Polymer Blends Investigated by 1H Spin Diffusion and 13C NMR Detection" Magn. Reson. in Chem. 28: 3-9 (1990).
  241. A. Hagemeyer , D. Schaefer , Klaus Schmidt-Rohr , B. Bl&uumlmich and H. W. Spiess "Two-Dimensional Solid State NMR Studies of Ultraslow Molecular Reorientation in Solid Polymers" Mol. Cryst. Liq. Cryst. 187: 223-230 (1990).
  242. U. Wiesner , Klaus Schmidt-Rohr , C. Boeffel , U. Pawelzik and H. W. Spiess "Solid-State NMR on Oriented Films of Liquid-Crystalline Polymers" Adv. Mater. 2: 484-487 (1990).
  243. B. Bl&uumlmich , A. Hagemeyer , D. Schaefer , Klaus Schmidt-Rohr and H. W. Spiess "Solid State NMR Spectroscopy in Polymer Science" Adv. Mater. 2: 72-81 (1990).
  244. A. Hagemeyer , L. Brombacher , Klaus Schmidt-Rohr and H. W. Spiess "Reconstruction of Angular Distributions from Two-Dimensional NMR Spectra of Powders" Chem. Phys. Lett. 167: 583-587 (1990).
  245. A. Hagemeyer , Klaus Schmidt-Rohr and H. W. Spiess "Two-Dimensional Nuclear Magnetic Resonance Experiments for Studying Molecular Order and Dynamics in Static and Rotating Solids" Advan. Magn. Reson. 13: 85-130 (1989).
  246. B. Bl&uumlmich , A. Hagemeyer , Klaus Schmidt-Rohr and H. W. Spiess "Ultra-Slow Molecular Motion in Polymers: 1D and 2D NMR Spectroscopy" Ber. Bunsenges. Phys. Chem. 93: 1189-1193 (1989).

Book Chapters

  1. Klaus Schmidt-Rohr , E. R. deAzevedo and T. J. Bonagamba "Centerband-Only Detection of Exchange (CODEX): Efficient NMR Analysis of Slow Motions in Solids in: 'Encyclopedia of NMR, Vol. 9: Advances in NMR'" R. G. Harris and D. M. Grant, Eds.; Wiley, London : 633-642 (2002).
  2. Klaus Schmidt-Rohr and H. W. Spiess "Dynamics of Polymers from One- and Two-dimensional Solid State NMR Spectroscopy in: 'Ann. Rep. NMR Spectroscopy'" : (2002).
  3. Jingdong Mao , W. Hu , Klaus Schmidt-Rohr , G. Davies , E. A. Ghabbour and B. Xing "Structure and Elemental Composition of Humic Acids: Comparison of Solid-State 13C NMR Calculations and Chemical Analyses in 'Humic Substances: Structures, Properties and Uses'" G. Davies and E. A. Ghabbour, Eds.; Royal Society of Chemistry, Cambridge : (1998).
  4. Klaus Schmidt-Rohr "Dynamics and Structure of Amorphous Polymers Studied by Multidimensional Solid-State NMR in 'Multidimensional Spectroscopy of Polymers'" : 191-214 (1995).
  5. Klaus Schmidt-Rohr "Multidimensional NMR of Polymers in 'Multidimensional Spectroscopy of Polymers'" M. W. Urban and T. Provder, Eds.; ACS Symposium Series 598 : 184-214 (1995).
  6. H. W. Beckham , Klaus Schmidt-Rohr and H. W. Spiess "Conformational Disorder and its Dynamics within the Crystalline Phase of the Form II Polymorph of Isotactic Poly(1-butene) in 'Multidimensional Spectroscopy of Polymers'" M. W. Urban and T. Provder, Eds.; ACS Symposium Series 598 : 243-253 (1995).
  7. H. W. Spiess and Klaus Schmidt-Rohr "Molecular Dynamics in Polymers from Multidimensional NMR in: 'Disorder Effects on Relaxational Processes'" R. Richert and A. Blumen, Eds.; Springer, Heidelberg : 385-403 (1994).
  8. L. Emsley , Klaus Schmidt-Rohr and A. Pines "Group theory and NMR dynamics in: 'NMR and More, in Honour of Anatole Abragam'" M. Goldman and M. Porneuf, Eds.; Les Editions de Physique, : 175-199 (1994).
  9. B. F. Chmelka , Klaus Schmidt-Rohr and H. W. Spiess "Molecular Dynamics in Polymers Studied by Multidimensional Solid-State NMR in: 'Nuclear Magnetic Resonance Probes of Molecular Dynamics'" R. Tycko, Ed.; Kluwer, Minneapolis, : 113-153 (1994).