American Journal of Chemistry

American Journal of Chemistry is a peer-reviewed chemistry journal. It is aimed to publish all the latest and outstanding research articles, reviews and letters in all areas of Chemistry.

Ronald Dong

Editorial Board Member of American Journal of Chemistry

Professor, University of British Columbia, Canada

Research Areas

iquid crystals physics, Nuclear magnetic resonance, Soft Matter

Education

1966-1969Ph.D.Physics, University of British Columbia, Vancouver, British Columbia, Canada
1962-1966B.A.Sc.Engineering Science, University of Toronto, Toronto, Ontario, Canada

Experience

2007-2011Honorary Professor University of British Columbia, Canada
1989-2007Adjunct Professor University of Manitoba, Canada
1984-2007Professor Brandon University, Canada
1982-1982Adjunct Associate Professor, Kent State University, U.S.A.
1980-1984Associate Professor, Brandon University, Canada
1978-1980Assistant Professor, Brandon University
1975-1978Assistant Professor, University of Winnipeg
1973-1975Research Associate/ University of Winnipeg , Instructor Canada
1971-1973NRC Postdoctoral Fellow, National Research Council, Ottawa, Canada

Academic Achievement

2006, Research Board of AdvisorsHonorary appointment by American Biographical Institute
2006, Man of the YearConferred by American Biographical Institute
1988, Senate Award of Excellence in Research
1971-1973, National Research Council Postdoctoral Fellowship
1966-1970, National Research Council Scholarships

Membership

Member of American Physical Society
Member of Canadian Association of Physicists

Publications: Journals

[1]  A. Marini, M. Geppe, V. Prasad, and R. Y. Dong, \NMR Study of a Phasmid-like Liquid Crystal", Chem. Phys. Lett., 507, 96 (2011).
[2]  E. E. Burnell, R. Y. Dong, A. C. J. Weber, X. Yang, and A. Yethiraj, \Separation of nematic and smectic-A potential e®ects on solute ordering in a series of binary 6OCB/8OCB mixtures", Can. J. Chem., 89, 900 (2011).
[3]  A. Marini and R. Y. Dong, \A combined DFT and 13C NMR investigation of conforma- tions and magnetic ¯eld interactions in a V-shaped PBBC homologous series", Phys. Rev. E, 83, 041712 (2011).
[4]  R. Y. Dong, \Developments in Biaxial Liquid Crystals: an NMR perspective", Int. J. of Mod. Phys. 24, 4641 (2010).
[5]  J. Figueirinhas, G. Feio, C. Cruz, M. Lehmann, C. Kohn, and R. Y. Dong, \NMR Spectroscopic Investigation of Phase Biaxiality on a Shape-persistent V-shaped Nematic Liquid Crystal", J. Chem. Phys. 133, 174509 (2010).
[6]  M. Lehmann, C. Kohn, J. Figueirinhas, G. Feio, C. Cruz, and R. Y. Dong, \Biaxial Nematic Mesophases from shape-persistent Mesogens with Fluorenone Bending Unit", Chem. Eur. J. 16, 8275 (2010).
[7]  H. G. Yoon, S.-W. Kang, R. Y. Dong, A. Marini, K. A. Suresh, M. Srinivasarao, and S. Kumar, "Nematic Biaxiality in a Bent-core Material", Phys. Rev. E, 81, 051706 (2010).
[8]  A. marini and R. Y. Dong, \Infrared Spectra and Magnetic Properties of a Biaxial Nematic Bent-core Liquid Crystal: Study of Conformations and Local Ordering in A131", Mol. Cryst. Liq. Cryst. 525, 74 (2010).
[9]  A.C.J. Weber, X. Yang, R.Y. Dong, and E.E. Burnell, \The Smectic E®ect on Solute Order Parameters Rationalized by Double Maier-Saupe Kobayahi-McMillan Theory", J. Chem. Phys., 132, 034503 (2010).
[10]  R.Y. Dong, and A. Marini, \Conformational Study of a Bent-core Liquid Crystal: 13C NMR and DFT Computation Approach", J. Phys. Chem. B, 113, 14062-14072 (2009).
[11]  A.C.J.Weber, X. Yang, R.Y. Dong, L. Meerts, and E.E. Burnell, \Solute Order Paramters in Liquid Crystals from NMR Spectra Solved with Evolutionary Strategies: Applica- tion of Double Maier-Saupe Kobayashi-McMillan Theory", Chem. Phys. Lett. 476, 116 (2009).
[12]  R. Y. Dong, "`A Comparative 13C NMR study of Local Ordering in a Homologous Series of Bent-core Liquid Crystals", J. Phys. Chem. B 113, 1933-1939 (2009).
[13]  R.Y. Dong, \NMR Study of Di®usive Processes in Novel Liquid Crystalline Phases", Thin Solid Films 517, 1367-1397 (2008).
[14]  P. Lesot, O. Lafon, C. Aroulanda, and R.Y. Dong, "2H NMR Studies of Two-homopolypeptide Lyotropic Enantiodiscriminating Mesophases: An Experimental Quanti¯cation of Solute- Fiber A±nities", Chem. Eur. J. 14, 4082 (2008).
[15]  V. Domenici, C.A. Veracini, V. Novotna, and R.Y. Dong, "Twist grain boundary liquid crystalline phases under the e®ect of the magnetic ¯eld: a complete 2H and 13C NMR study", ChemPhysChem 9, 556-566 (2008).
[16]  V. Domenici, A. Marini, C.A. Veracini, J. Zhang, and R.Y. Dong, "E®ect of the Mag- netic ¯eld on the Supermolecular Structure of Chiral Smectic C Phases: 2H-NMR Stud- ies", ChemPhysChem 8, 2575-2587 (2007).
[17]  R.Y. Dong, S. Kumar, V. Prasad, and J. Zhang, "High nematic ordering in a bent-core smectogen showing a biaxial nematic phase: A 13C NMR Study", Chem. Phys. Lett. 448, 54-60 (2007).
[18]  R.Y. Dong, M. Geppi, A. Marini, V. Hamplova, C.A. Veracini, and J. Zhang, "Orienta- tional Order of a liquid crystal with three chiral centers by a combined 13C NMR and DFT approach", J. Phys. Chem. B, 111, 9787-9794 (2007).
[19]  J. Zhang, V. Domenici, and R.Y. Dong, "13C NMR study of orientational ordering in smectic A phase of chiral liquid crystals", Chem. Phys. Lett., 441, 237-244 (2007).
[20]  A. Yethiraj, E.E. Burnell, and R.Y. Dong, "The smectic potential in a liquid crystal with a reentrant nematic phase: NMR of solutes", Chem. Phys. Lett., 441, 245-249 (2007).
[21]  A.Yethiraj, A.C.J.Weber, R.Y. Dong, and E.E. Burnell, "NMR determination of smectic ordering of probe molecules", J. Phys. Chem. B, 111, 1632 (2007).
[22]  J. Zhang, A. Ferraz, A.C. Ribeiro, P.J. Sebastiao, and R.Y. Dong, "Deuterium NMR study of a Chiral Smectic C* Phase", Phys. Rev. E 74, 061704 (2006).
[23]  K. Fodor-Csorba, A. Jakli, A. Vajda, E. Gacs-Baitz, S. K. Prasad, D. S. Shankar Rao, R. Y. Dong, J. Xu, and G. Galli, "Giant Electric ¯eld-induced Bire¯ngence in Banana- shaped Liquid Crystals with Carbonate End Group", ChemPhysChem 7, 2184-2188 (2006).
[24]  J. Xu, R.Y. Dong, V. Domenici, K. Fodor-Csorba and C.A. Veracini, "13C and 2H NMR Study of Structure and Dynamics in Banana B2 Phase of a Bent-core Mesogen", J. Phys. Chem. B 110, 9434-9441 (2006).
[25]  J. Zhang, V. Domenici, C. A. Veracini and R.Y. Dong, "Deuterium NMR of TGBA* Phase in Chiral Liquid Crystals", J. Phys. Chem. B 110, 15193-15197 (2006).
[26]  J. Zhang and R.Y. Dong, "A Comparative Study of Planar Motion of Monomeric and Dimeric Discotics", J. Phys. Chem. B, 110, 15075-15079 (2006).
[27]  J. Zhang and R. Y. Dong, "2H NMR Angle-dependent Spectral Study of Core Dynamics in a Discotic Columnar Phase", Phys. Rev. E, 73, 061704 (2006).
[28]  V. Domenici, M. Geppi, C.A. Veracini and R.Y. Dong, "Molecular dynamics of a fer- roelectric smectogen in its smectic phases by means of 2H NMR Spectroscopy", Liq. Cryst. 33, 479-484 (2006).
[29]  A.V. Zakharov, V. Domenici, C.A. Veracini, and R.Y. Dong, "Nematiclike Viscosity Coe±cients of Ferroelectric Liquid Crystals in Their SmC* Phase", Phys. Rev. E 73, 011711 (2006).
[30]  J. Xu and R.Y. Dong, "Interlayer Self-di®usion and Structure of Chiral Smectic Phases by 2H NMR Exchange Experiment", J. Phys. Chem. B 110, 1221-1228 (2006).
[31]  J. Xu, C.A. Veracini, and R.Y. Dong, "Structure and Dynamics of chiral ferrielectric Phases by Deuteron NMR", Phys. Rev. E 73, 011705 (2006).
[32]  R.Y. Dong, J. Zhang, and K. Fodor-Csorba, \On the Carbon-13 Chemical Shift Tensors of Bent-core Mesogens", Chem. Phys. Lett. 417, 475-479 (2006).
[33]  R.Y. Dong, J. Zhang, C.A. Veracini, \Chain Dynamics in a Chiral C Phase by Deuteron Spin Relaxation Study ", Solid State NMR 28, 173-179 (2005).
[34]  R.Y. Dong, J. Xu, J. Zhang, and C.A. Veracini, \C13 NMR Study of Orientational Ordering in the Chiral-C Phase of Partially Deuterated Smectic Liquid Crystals", Phys. Rev. E 72, 061701 (2005).
[35]  O. Mensio, R.C. Zamar, E. Anoardo, R.H. Acosta, and R.Y. Dong, "On the Role of Collective and Local Molecular Fluctuations in the Relaxation of Proton Intrapair Dipolar Order in Nematic 5CB", J. Chem. Phys. 123, 204911 (2005).
[36]  J. Xu, C.A. Veracini, and R.Y. Dong, \Soliton-like Deformation of Chiral C Phase by Deuterium NMR Spectral Analysis", Chem. Phys. Lett. 416, 47-50 (2005).
[37]  J. Xu, C.A. Veracini, and R.Y. Dong, "Interlayer Jump Di®usion in the Smectic-C¤ A Phase by Angular Dependent 2H NMR Study", Phys. Rev. E 72, 051703 (2005).
[38]  R.Y. Dong, and Y.B. Chen, "Head Group Motion in a Lyotropic Lamellar Phase by Deuterium and Nitrogen-14 Relaxation Studies", J. Phys. Chem. B 109, 20220-20226 (2005).
[39]  R.Y.Dong, Y.B. Chen, and C.A. Veracini, "Molecular Dynamics in Smectic A and Chiral Smectic C Phases by Deuteron Spin Relaxation Study", Chem. Phys. Lett. 405, 177-181 (2005).
[40]  J. Xu, K. Fodor-Csorba, and R.Y. Dong, "Orientational Ordering of a Bent-core Meso- gen by Two Dimensional NMR Spectroscopy", J. Phys. Chem. A 109, 1998-2005 (2005).
[41]  A. Yethiraj, Z. Sun, R.Y. Dong, and E.E. Burnell, "NMR measurement of Smectic Ordering and nematic-smectic-A Coupling in a Liquid Crystal", Chem. Phys. Lett. 398, 517-521 (2004).
[42]  R.Y. Dong, J. Xu, G. Benyei, and K. Fodor-Csorba, \Structure and Order of a Ho- mologous Series of Bent-core Molecules: a Carbon-13 NMR Study", Phys. Rev. E 70, 011708 (2004).
[43]  R.Y. Dong, K. Fodor-Csorba, J. Xu, V. Domenici, G. Prampolini, and C.A. Veracini, \Deuterium and Carbon-13 NMR Study of a Banana Mesogen: Molecular Structure and Order', J. Phys. Chem. B 108, 7694-7701 (2004).
[44]  R.Y. Dong, \Deuterium NMR Study of Chain Con¯gurational Transitions in Decylam- monium Chloride", Chem. Phys. Lett. 375, 517-521 (2003).
[45]  R.Y. Dong and R. Shearer, \Mobility of Side Chains in a Discotic Liquid Crystal by Deuteron Spin Relaxation", Chem. Phys. Lett. 375, 463-469 (2003).
[46]  R.Y. Dong, \Relaxation and the Dynamics of Molecules in the Liquid Crystalline Phases", Prog. NMR Spectro. 41, 115-151 (2002).
[47]  D. Catalano, L. Chiezzi, V. Domenici, M. Geppi, C.A. Veracini, R.Y. Dong and K. Fodor Csorba, \2H NMR Spectroscopy of Liquid Crystals: Structure and Orientational Order of a Chiral Smectogen as a Model Compound of side-group LC Polymers", Macromol. Phys. Chem. 203, 1594-1601 (2002).
[48]  O. Mensio, C.E. Gonzalez, D.J. Pusiol, R.C. Zamar, and R.Y. Dong, \Relaxation Prop- erties of Proton Magnetic Spin Quasi-invariants in Liquid Crystals", Physica B 320, 416 (2002).
[49]  L. Chiezzi, V. Domenici, M. Geppi, C.A. Veracini, and R.Y. Dong, \Internal and Overall Molecular dynamics in a Chiral Smectogen through 2H NMR Relaxation", Chem. Phys. Lett. 358, 257 (2002).
[50]  A.V. Zakharov and R.Y. Dong, \Flow Alignment in Shearing Nematic Liquid Crystal Near a Charged Surface", Phys. Rev. E 65, 052701 (2002).
[51]  O. Mensio, R.C. Zamar, F. Casanova, D.J. Pusiol and R.Y. Dong, \Intramolecular Character of the Dipolar Order Relaxation in the Methyl Deuterated nematic para- azoxyanisole", Chem. Phys. Lett. 356, 457 (2002).
[52]  A.V. Zakharov and R.Y. Dong, \Rotational Viscosity Enhancement in Nematic Liquid Crystal near a Charged Surface", EPJE 7, 267 (2002).
[53]  A.V. Zakharov and R.Y. Dong, \Two Shear Flow Regimes in Nematic Liquid Crystals: Near a Charged Surface and in the Bulk", J. Chem. Phys. 116, 6348 (2002).
[54]  R.Y. Dong, L. Chiezzi, and C.A. Veracini, \Deuterium Spin-lattice Relaxation in the Smectic A Phase of a Chiral Smectogen", Phys. Rev. E 65, 041716 (2002).
[55]  A.V. Zakharov and R.Y. Dong, \The Flexoelectric E®ect in the Nematic Liquid Crys- tals: a Statical-mechanical Approach", Euro. Phys. J. E 6, 3 (2001).
[56]  A.V. Zakharov and R.Y. Dong, \Surface Polarization and E®ective Anchoring Energy in Liquid Crystals", Phys. Rev. E 64, 042701 (2001)
[57]  A.V. Zakharov and R.Y. Dong, \Dielectric and Elastic Properties of Liquid Crystals', Phys. Rev. E 64, 031701 (2001).
[58]  R.Y. Dong, \An Improved Decoupled Model for Spin Relaxation in 4-n-alkyloxy-4'- cyanobiphenyls", J. Chem. Phys. 114, 5897 (2001).
[59]  R.Y. Dong, \14N Spin Relaxation Study in the Hexagonal Phase of a Lyotropic Liquid Crystal", Mol. Phys. 99, 637 (2001).
[60]  A.V. Zakharov and R.Y. Dong, \Rotational Viscosity, dynamic phenomena and Dielec- tric Properties in a Long-chain Liquid Crystal: NMR Study and Theoretical Treat- ment", Phys. Rev. E 63, 011704 (2001).
[61]  R.Y. Dong, \On a Motional Model for Spin Relaxation in Liquid Crystals", Chem. Phys. Lett. 329, 92 (2000).
[62]  R.Y. Dong, A. Carvalho, P.J. Sebasti~ao, and H. T. Nguyen, \Deuteron NMR Study of Molecular Dynamics in a Compound Exhibiting a Reentrant Nematic Phase", Phys. Rev. E 62, 3679 (2000).
[63]  R.Y. Dong and M. Cheng, \Molecular Dynamics in a Mixture of 8OCB-d17 and 6OCB Showing Nematic and Reentrant Nematic Phases: A Deuterium NMR Study", J. Chem. Phys. 113, 3466(2000).
[64]  R.Y. Dong, M. Cheng, K. Fodor-Csorba, and C.A. Veracini, \Anomalous Rotational Dynamics of a Chiral Mesogen by 2H NMR Study", Liq. Cryst. 27, 1039 (2000).
[65]  R.Y. Dong and C.R. Morcombe, \Rotational Dynamics of a Discotic Liquid Crystal Studied by Deuteron Spin Relaxation", Liq. Cryst. 27, 897 (2000).
[66]  R.Y. Dong, C.R. Morcombe, L. Calucci, M. Geppi, and C.A. Veracini, \Conformational Dynamics of a Metallomesogen Studied by 2H NMR Spectroscopy", Phys. Rev. E 61, 1559 (2000).

Publications: Books/Book Chapters

[1]  R.Y. Dong, Nuclear Magnetic Resonance of Liquid Crystals, Springer-Verlag, New York, 1994 (270 pages); second edition, 1997 (320 pages).
[2]  R.Y. Dong, Editor, Nuclear Magnetic Resonance Spectroscopy of Liquid Crystals, World Scienti¯c, Singapore, 2009 (460 pages).
[3]  R.Y. Dong, \Spin Relaxation in Oriented Molecules" in NMR of Orientationally Ordered Liquids, Burnell and deLange (Eds.), Kluwer Academic, Dordrecht (2003).
[4]  R.Y. Dong, \Advances in NMR Studies of Liquid Crystals", G. Webb (Ed.), Annu. Rep. NMR Spectro. Vol. 53, chap. 2, Elsevier Science (2004).
[5]  A. Marini, V. Prasad, R.Y. Dong, \A Combined DFT and Carbon-13 NMR Study of a Biaxial Bent-core Mesogen", in NMR Spectroscopy of Liquid Crystals, R.Y. Dong Ed., Chap. 13 (2009).
[6]  R.Y. Dong, \Carbon-13 NMR Studies of Calamitic Liquid Crystals", in NMR Spec-troscopy of Liquid Crystals, R.Y. Dong Ed., Chap. 12 (2009).
[7]  R.Y. Dong, \Deuterium NMR Study of Magnetic Field Distortions in Ferroelectric Mesogens", in NMR Spectroscopy of Liquid Crystals, R.Y. Dong Ed., Chap. 5 (2009).
[8]  E.E. Burnell, R.Y. Dong, and A.C.J. Weber, \NMR of solutes in nematic and smectic A liquid crystals: the anisotropic intermolecular potential", in Future Directions of Mag-netic Resonance, C.L. Khetrapal, A. Kumar, and K. V. Ramanathan Eds., Springer Verlag (2011). Chap. 14, 167-178