Roy Hoffman: Publications

(Hebrew language publications are in green all other publications are in English)

2013 and unpublished

95."The Hebrew Calendar" R. E. Hoffman, in preparation

94. "High-performance NMR chromatography emulsions using Tweens as a surfactant" R. E. Hoffman, E. Darmon, A. Aserin and N. Garti, in preparation.

93. "Characterization and design of NMR chromatography microemulsions" R. E. Hoffman, E. Darmon, A. Aserin and N. Garti, in preparation.

92. "High accuracy NMR chemical shift corrected for bulk magnetization as a tool for structural elucidation of dilutable microemulsions- part 2- dilutable anionic and nonionic microemulsions" R. E. Hoffman, E. Darmon, A. Aserin and N. Garti, in preparation.

91. "High accuracy NMR chemical shift corrected for bulk magnetization as a tool for structural elucidation of dilutable microemulsions- part 1- proof of concept" R. E. Hoffman, E. Darmon, A. Aserin and N. Garti, in preparation.

90. "A tachyon interaction model that explains many of the mysteries in physics" R. E. Hoffman, J. Phy. Ast., 2, 120-123 (2013).

89. "Guide to Observing the New Moon from Israel in the year 5774", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2013).

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2012

88. "The identity of tekhelet: new findings" R. E. Hoffman, BDD, 27, 7-29 (2012).

87. "New insights into the microemulsion-based chromatographic NMR resolution mechanism and its application to fragrance/flavor molecules" R. E. Hoffman, A. Aserin and N. Garti, J. Magn. Reson., 220, 18-25 (2012).

86. "Guide to Observing the New Moon from Israel in the year 5773", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2012).

85. "Further conventions for NMR shielding and chemical shifts" R. K. Harris, E. D. Becker, S. Cabral de Menezes, R. Goodfellow, P. Granger and R. E. Hoffman, Encylcopedia NMR, 10 (2012).

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2011

84. "NMR chromatography using microemulsion systems" C. Permberton, R. E. Hoffman, N. Garti and A. Aserin, Langmuir, 27, 4497-4506 (2011).

83. "Guide to Observing the New Moon from Israel in the year 5772", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2011).

82. "New insights into silica based NMR "Chromatography"", C. Pemberton, R. E. Hoffman, A. Aserin and N. Garti, J. Magn. Reson., 208, 262-269 (2011)

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2010

81. "Guide to Observing the New Moon from Israel in the year 5771", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2010).

80. "Determination of leap years in the time of the Sanhedrin", R. E. Hoffman. Yodei Binah, 5, 136-156 (2010).

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2009

79. "Guide to Observing the New Moon from Israel in the year 5770", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2009).

78. "Back-to-back crescent Moons" R. E. Hoffman, Observatory, 129, 1-5 (2009).

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2008

77. "Further conventions for NMR shielding and chemical shifts" R. K. Harris, E. D. Becker, S. Cabral de Menezes, R. Goodfellow, P. Granger and R. E. Hoffman, Ann. Magn. Reson., 7, 1-31 (2008).

76. "NMR Chromatography using nano-structured liquids" R. E. Hoffman, N. Garti, A. Aserin and C. Permberton, patent pending, 1st September 2008.

75. "Record Moons" R. Hoffman, Sky Telesc., 116(4), 12, (October 2008).

74. "Non-stoichiometric gelation of cyclodextrins and included planar guests" D. Rizkov, S. Mizrahi, J. Gun, R. E. Hoffman, A. Melman and O. Lev, Langmuir, 24, 11902–11910 (2008).

73. "Effect of Sodium Diclofenac Loads on Mesophase Components and Structure" R. Efrat, D. E. Shalev, R. E. Hoffman, A. Aserin and N. Garti, Langmuir, 24, 7590–7595 (2008).

72. "Guide to Observing the New Moon from Israel in the year 5769", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2008).

71. "High-resolution NMR "chromatography" using a liquids spectrometer" R. E. Hoffman, H. Arzuan, C. Pemberton, A. Aserin and N. Garti, J. Magn. Reson., 194, 295-299 (2008).

70. "Further conventions for NMR shielding and chemical shifts: IUPAC recommendations 2008" R. K. Harris, E. D. Becker, S. Cabral de Menezes, R. Goodfellow, P. Granger and R. E. Hoffman, J. Magn. Reson., 191, 340-341 (2008).

68. "Further conventions for NMR shielding and chemical shifts" R. K. Harris, E. D. Becker, S. Cabral de Menezes, R. Goodfellow, P. Granger and R. E. Hoffman, Solid State Nucl. Magn. Reson., 33, 41-56 (2008).

67. "Further conventions for NMR shielding and chemical shifts" R. K. Harris, E. D. Becker, S. Cabral de Menezes, R. Goodfellow, P. Granger and R. E. Hoffman, Pure Appl. Chem., 80, 59-84 (2008).

66. "New compositions for improved diffusion ordered spectroscopy and NMR chromatography" R. E. Hoffman, A. Aserin, N. Garti, PCT Int. Appl., WO 2008050347 A2 (2008).

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2007

65. "Guide to Observing the New Moon from Israel in the year 5768", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2007).

64. "Rational Design of Lunar Visibility Criteria" R. E. Hoffman, Yodei Binah, 4, 54-71 (2007). (Hebrew translation of ref. 57).

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2006

63. "Solubilization and Bioavailability of Nutraceuticals by New Self-Assembled Nanosized Liquid Structures in Food Systems", N. Garti, I. Amar-Yuli, A. Spernath and R.E. Hoffman, Food Colloids: Interactions, Microstructure and Processing, ed. E. Dickinson (2006).

62. "Guide to Observing the New Moon from Israel in the year 5767", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2006).

61. "Standardization of chemical shifts of TMS and solvent signals in NMR solvents" R. E. Hoffman, Magn. Reson. Chem., 44, 606-616 (2006).

60. "Have we improved on Maimonides' criterion for seeing the Moon", Yodei Binah, 3, 77-88, (2006).

59. "Measurement of magnetic susceptibility and calculation of shape factor of NMR samples" R. E. Hoffman, J. Magn. Reson., 178, 237-247 (2006).

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2005

58. "Guide to Observing the New Moon from Israel in the year 5766", R. E. Hoffman, in Luach D'var B'ito, Ed., M. Ganot (2005).

57. "Rational Design of Lunar Visibility Criteria", R. E. Hoffman, Obseratory, 125, 156-168 (2005).

56. "Ball-and-Socket Stacking of Supercharged Geodesic Polyarenes: Bonding by Interstitial Lithium Ions" I. Aprahamian, D. Eisenberg, R. E. Hoffman, T. Sternfeld, Y. Matsuo, E. A. Jackson, E. Nakamura, L. T. Scott, T. Sheradsky, and M. Rabinovitz, J. Am. Chem. Soc., 127, 9581-9587 (2005).

55. "Temperature dependence of the 1H chemical shift of tetramethylsilane in chloroform, methanol and dimethylsulfoxide" R. E. Hoffman and E. D. Becker, J. Magn. Reson., 176, 87-98 (2005).

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2004

54. "Is Mars a bright daylight object?" Y. Ozery and R. E. Hoffman, Yodei Binah, 2, 169-177 (2004).

53. "Observing the New Moon" R. E. Hoffman, Yodei Binah, 2, 105-125 (2004) (Hebrew translation of ref. 50).

52. "Solubilization of Water-Insoluble Nutraceuticals in Nonionic Microemulsions for Water-Based Use" N. Garti, I. Zakharia, A. Spernath, A. Yaghmur, A. Aserin, R. E. Hoffman and L. Jacobs, Prog. Colloid Polymer Sci., 126, 184-189 (2004).

51. "Transitions and loci of solubilization of nutraceuticals in U-type nonionic microemulsions studied by self-diffusion NMR" N. Garti, I. Amar-Yuli, A. Spernath and R. E. Hoffman, PCCP, 6, 2968-2976 (2004).

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2003

50. "Observing the new Moon" R. E. Hoffman, Monthly Notes Roy. Astron. Soc., 340, 1039-1051 (2003).

49. "Variations on the chemical shift of TMS" R. E. Hoffman, J. Magn. Reson., 163, 325-331 (2003).

48. "Self-Diffusion NMR Studies of Phytosterols Solubilization Capacity and Microstructure Transitions in Winsor IV Food-Grade Microemulsions" A. Spernath, A. Yaghmur, A. Aserin, R. E. Hoffman and N. Garti, J. Agric. Food Chem., 51, 2359-2364 (2003).

47. "Stereodynamics and Characterization of the Hexa(4-n-dodecylbiphenyl)benzene Hexaanion with a Twisted Benzene Core" L. Eshdat, R. E. Hoffman, A. Fechtenkötter, K. Müllen and M. Rabinovitz, Chem. Eur. J., 9, 1844-1851 (2003).

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2002

46. "Two Helium Atoms Inside Fullerene: Probing the Internal Magnetic Field in C606- and C706-" T. Sternfeld, R. E. Hoffman, M. Saunders, R. J. Cross, M. S. Syamal and M. Rabinovitz, J. Am. Chem. Soc., 124, 8786 (2002).

45. "An Insight into the Aromaticity of Fullerene Anions: Experimental Evidence for Diamagnetic Ring Currents in the Five Membered Rings of C606- and C706-" T. Sternfeld, C. Thilgen, R. E. Hoffman, M. del Rosario Colorado Heras, F. Diedrich, F. Wudl, L. T. Scott, J. Mack and M. Rabinovitz, J. Am. Chem. Soc., 124, 5734-5738 (2002).

44. "Self-Assembled, Helically Stacked Anionic Aggregates of 2,5,8,11-Tetra-tert-butylcycloocta[1,2,3,4-def;5,6,7,8-def’]bisbiphenylene Stabilized by Electrostatic Interactions" R. Shenhar, H. Wang, R. E. Hoffman, L. Frish, L. Avram, I. Willner, A. Racja and M. Rabinovitz, J. Am. Chem. Soc., 124, 4685-4692 (2002).

42. "A Four-Step Alternating Reductive Dimerization/Bond Cleavage of Indenocorannulene" I. Aprahamian, R. E. Hoffman, T. Sheradsky, D. V. Preda, M. Bancu, L. T. Scott and M. Rabinovitz, Angew. Chem. Int. Ed. Engl., 41, 1712-1715 (2002).

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2001

41. "Prediction of the time of the new Moon’s appearance" R. E. Hoffman and T. Kaatz, Yodei Binah, 1, 115-143, (2001).

40. "1H NMR Isotope Shifts Arising from the Substitution of 12C with 13C: Application to Polycyclic Aromatic Hydrocarbon Anions" R. E. Hoffman, N. Treitel and M. Rabinovitz, Magn. Reson. Chem., 39, 489-494 (2001).

39. "Lithium Reduction of the Bowl-Shaped C60 Fragment Diindeno[1,2,3,4-defg;1’,2’,3’,4’-mnop]chrysene: An Interplay between Experiment and Calculation" R. Shenhar, R. Beust, R. E. Hoffman, I. Willner, H. E. Bronstein, L. T. Scott and M. Rabinovitz, J. Org. Chem., 66, 6004-6013 (2001).

38. "Fullerene Anions: Unusual Electronic Structure in C706-" T. Sternfeld, R. E. Hoffman and M. Rabinovitz, Angew. Chem. Int. Ed. Engl., 40, 455 (2001).

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2000

37. "Practical Instructions for Observing the New Moon from the Land of Israel", scientific appendix to Yad Peshutah commentary on Rambam’s Hilchot Kiddush Hachodesh, Ed. N. A. Rabinovitch, Maaliot Press, Jerusalem, 2000.

36. "Reduced corannulenes: 1,8-Dicorannulenyloctane Anions, a Supramolcular Octaanion" E. Shabtai, R. E. Hoffman, P.-C. Cheng, E. Bayrd, D. V. Preda, L. T. Scott, and M. Rabinovitz, J. Chem. Soc., Perkin Trans 2, 2000, 129-133.

35. "Isotope Shifts in Polycyclic Aromatic Hydrocarbon Anions" R. E. Hoffman, N. Treitel, E. Shabtai, R. Benshafrut and M. Rabinovitz, J. Chem. Soc. Perkin Trans 2, 2000, 1007-1012.

34. "Heteronuclear editing method for detecting NOE between chemically equivalent protons: application to polycyclic aromatic hydrocarbons" R. E. Hoffman, R. Shenhar, I. Willner, H. E. Bronstein, L. T. Scott, A. Rajca and M. Rabinovitz, Magn. Reson. Chem., 38, 311-314 (2000).

33. "Reduction of Fulleroids C71H2: Probing the Magnetic Properties of C706-" T. Sternfeld, R. E. Hoffman, C. Thilgen, T. Diedrich and M. Rabinovitz, J. Am. Chem. Soc., 122, 9038-9039 (2000).

32. "Guide to Observing the New Moon from the Land of Israel" R. E. Hoffman and T. Kaatz, BDD, 11, 23-42 (2000).

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1995-9

31. "An Unusual Charge Umpolung: Synthesis of the Bay Region Diketone 2,3:10,11-Dibenzoperylene-1,12-dione" R. Benshafrut, R. E. Hoffman, M. Rabinovitz and K. Müllen, J. Org. Chem., 64, 644-647 (1999).

30. "π-Conjugated Benzoperylenes: Sequential C-S Bond Cleavage and Charge Distribution Patterns of the Anions" R. Benshafrut, M. Rabinovitz, R. E. Hoffman, N. Ben-Mergui, K. Müllen and V. S. Iyer, Eur. J. Org. Chem., 1999, 37-48.

29. "Self-Diffusion Measurements of Polycyclic Aromatic Hydrocarbon Alkali Metal Salts" R. E. Hoffman, E. Shabtai, M. Rabinovitz, V. S. Iyer, K. Mullen, A. K. Rai, E. Bayrd, and L. T. Scott, J. Chem. Soc. Perkin 2, 1998, 1659-1664.

28. "3He NMR of He@C606- and He@C706-. New Records for the Most Shielded and the Most Deshielded 3He Inside a Fullerene" A. Weitz, E. Shabtai, R. Haddon, R. E. Hoffman, M. Rabinovitz, M. Saunders, P.-C. Cheng, and L. T. Scott, J. Am. Chem. Soc., 120, 6389-6393 (1998).

27. "Acidity of Dibasic Carbon Acids. Part 4. Structure and Ion Solvation State in THF of Dimetallic Salts of 9,10-Dihydroanthracene and its Derivatives in Tetrahydrofuran" M. Nir, I. O. Shapiro, R. E. Hoffman, and M. Rabinovitz, J. Chem. Soc. Perkin Trans. 2, 1996, 1607-1615.

26. "Acidity of Dibasic carbon Acids. Part 3. Ion Solvation State of Monometallic Salts of 9,10-Dihydroanthracene and its Derivatives in THF" R. E. Hoffman, M. Nir, I. O. Shapiro, and M. Rabinovitz, J. Chem. Soc. Perkin Trans. 2, 1996, 1225-1232.

25. "Stereochemistry and Conformational Anomolies of 1,2,3 and 1,2,3,4-Polycyclocyclohexanes" I. Columbus, R. E. Hoffman, and S. E. Biali, J. Am. Chem. Soc., 118, 6890-6896 (1996).

24. "Acidity of Dibasic Carbon Acids. Part 2. Geometry and Electronic Structure of mono- and dianions of 9,10-Diydroanthracene and its Derivatives in THF" M. Nir, R. E. Hoffman, I. O. Shapiro and M. Rabinovitz, J. Chem. Soc. Perkin Trans. 2, 1995, 1433-1442.

23. "Tellurium-Mediated Halogen Transfer from Polyhaloalkanes to Diyne Acceptors" J. Blum, W. Baidossi, Y. Badrieh, R. E. Hoffman, and H. Schumann, J. Org. Chem., 60, 4738-4742 (1995).

22. "Molecular Aggregates Between Octaethyltetrathiaporphyrin Dication (OTP2+) and Octaethylporphyrin (H2OEP) and its Metal Complexes" A. Mahammed, M. Rabinovitz, R. E. Hoffman, I. Willner, E. Vogel and M. Pohl, J. Phys. Org. Chem., 8, 659-670 (1995).

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1990-4

21. "Acidity of Dibasic Carbon Acids. Part 1. The Second Acidity Constant of 9,10-Dihydroanthracene and its 9,10-Substituted Derivatives: Effect of Substituent and Counter Ion" I. O. Shapiro, M. Nir, R. E. Hoffman, and M. Rabinovitz, J. Chem. Soc. Perkin Trans. 2, 1994, 1519-1524.

20. "Detection of NOE Interaction Between Components of Organic π-Complexes" R. E. Hoffman and M. Rabinovitz, Magn Reson. Chem., 31, 1031-1033 (1993).

19. "Improved Pulse Program for Long-Range Heteronuclear Correlation" R. E. Hoffman, A. Weitz, and M. Rabinovitz, J. Magn. Reson. A, 101, 1-7 (1993).

18. "Partitioning of Charge in Dibenzo[b,g]chrysene: The Role of the system's Topology" L. Zelikovich, R. E. Hoffman, A. Ayalon, and M. Rabinovitz, J. Chem. Soc. Perkin Trans. 2, 1992, 1785-1792.

17. "Structure and Thermodynamic and Kinetic Properties of Eosin-Bipyridinium Complexes" I. Willner, Y. Eichen, M. Rabinovitz, R. E. Hoffman, and S. Cohen, J. Am. Chem. Soc., 114, 637-644 (1992).

16. "Phase Correction of Two-Dimensional NMR Spectra Using DISPA" R. E. Hoffman, F. Delaglio, and G. C. Levy, J. Magn. Reson., 98, 231-237 (1992).

15. "Modern Methods of NMR Data Processing and Data Evaluation" R. E. Hoffman and G. C. Levy, Prog. NMR Spectrosc., 23, 211-258 (1991).

14. "1H-NMR Assignment and Conformational Analysis of Glucitol. Comparison with Maltitol" R. E. Hoffman, T. J. Rutherford, B. Mulloy, and D. B. Davies, Magn. Reson. Chem., 28, 458-464 (1990).

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1986-9

13. "Phase Correction for NMR Spectra: Past and Future" R. E. Hoffman, Nmrink, New Methods Research, Inc., 2(1), 3-4 (1989).

12. "Application of the Maximum Likelihood Method to a Large 2D-NMR Spectrum using a Parallel Computer" R. E. Hoffman, A. Kumar, K. D. Bishop, P. N. Borer and G. C. Levy, J. Magn. Reson., 83, 586-594 (1989).

11. "Spectral deconvolution by simulated annealing" R. E. Hoffman and G. C. Levy, J. Magn. Reson., 83, 411-417 (1989).

10. "Optimization of NMR Data Processing with Course-grain Parallel Computers" R. E. Hoffman and G. C. Levy, Computers and Chemistry, 13, 179-184 (1989).

9. "Optimization of Magnetic Resonance Imaging and NMR Data Processing with the Alliant FX/80" R. E. Hoffman and G. C. Levy, Parallel Computing News, 1(5), 3 (1988).

8. "The Impact of Parallel Computers on Magnetic Resonance Spectroscopy and Imaging" R. E. Hoffman, Nmrink, New Methods Research, Inc., 1(2), 3-4 (1988).

7. "Temperature Dependence of NMR Secondary References for D2O and (CD3)2SO Solutions" R. E. Hoffman and D. B. Davies, Magn. Reson. Chem., 26, 523-525 (1988).

6. "1H- and 13C-NMR Assignment of Maltitol by a Combination of 2D NMR and H/D Isotope Effects on Nuclear Shielding" R. E. Hoffman and D. B. Davies, Magn. Reson. Chem., 26, 425-429 (1988).

5. "Three-Dimensional J-Resolved and Correlated NMR Spectroscopy" R. E. Hoffman and D. B. Davies, J. Magn. Reson., 80, 337-339 (1988).

4. "Evaluation of the inversion recovery and DESPOT methods for measurement of T1 of the polysaccharide pullulan" R. E. Hoffman and D. B. Davies, J. Magn. Reson., 80, 318-323 (1988).

3. "Demonstration of 1D-Imaging on a JEOL FX/200 Spectrometer" R. E. Hoffman, JEOL News Anal. Instrum., 24A, 13-14 (1988).

2. "Isotope Shifts in NMR Spectroscopy - Measurements and Applications" D. B. Davies, J. C. Christofides, and R. E. Hoffman, Isotopes: Essential Chemistry and Applications, Ed. J. R. Jones, Royal Society of Chemistry, 1988.

1. "Scope and Limitations of the SIMPLE 13C-N.M.R. Method of Structural Analysis of Carbohydrates: Glucodisaccharides" R. E. Hoffman, J. C. Christofides, D. B. Davies, and C. J. Lawson, Carbohydr. Res., 153, 1-16 (1986).

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