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Srividhya, J. ; Gopinathan, M. S. ; Schnell, Santiago (2007) The effects of time delays in a phosphorylation-dephosphorylation pathway Biophysical Chemistry, 125 (2-3). pp. 286-297. ISSN 0301-4622

Srividhya, J. ; Gopinathan, M. S. (2006) A simple time delay model for eukaryotic cell cycle Journal of Theoretical Biology, 241 (3). pp. 617-627. ISSN 0022-5193

Sriram, K. ; Gopinathan, M. S. (2004) A two variable delay model for the circadian rhythm of Neurospora crassa Journal of Theoretical Biology, 231 (1). pp. 23-38. ISSN 0022-5193

Usharani, S. ; Srividhya, J. ; Gopinathan, M. S. ; Pradeep, T. (2004) Concentration of CO₂ over melting ice oscillates Physical Review Letters, 93 (4). 048304_1-048304_4. ISSN 0031-9007

Sriram, K. ; Gopinathan, M. S. (2003) Effects of delayed linear electrical perturbation of the Belousov-Zhabotinsky reaction: a case of complex mixed mode oscillations in a batch reactor Reaction Kinetics and Catalysis Letters, 79 (2). pp. 341-349. ISSN 0133-1736

Srividhya, J. ; Gopinathan, M. S. (2003) Modeling experimental oscillations in liquid membranes with delay equations Journal of Physical Chemistry B, 107 (6). pp. 1438-1443. ISSN 1089-5647

Fell, J. ; Mann, K. ; Roschke, J. ; Gopinathan, M. S. (2000) Nonlinear analysis of continuous ECG during sleep I. Reconstruction Biological Cybernetics, 82 (6). pp. 477-483. ISSN 0340-1200

Fell, J. ; Mann, K. ; Roschke, J. ; Gopinathan, M. S. (2000) Nonlinear analysis of continuous ECG during sleep II. Dynamical measures Biological Cybernetics, 82 (6). pp. 485-491. ISSN 0340-1200

Narayanan, K. ; Govindan, R. B. ; Gopinathan, M. S. (1998) Unstable periodic orbits in human cardiac rhythms Physical Review E, 57 (4). pp. 4594-4603. ISSN 1063-651X

Govindan, R. B. ; Narayanan, K. ; Gopinathan, M. S. (1998) On the evidence of deterministic chaos in ECG: surrogate and predictability analysis Chaos, 8 (2). p. 495. ISSN 1054-1500

Gopinathan, M. S. (1997) Detection of determinism and randomness in time series: a method based on phase space overlap of attractors Pramana - Journal of Physics, 49 (6). pp. 581-590. ISSN 0304-4289

Vijayakumar, M. ; Gopinathan, M. S. (1996) Spin-orbit coupling constants of transition metal atoms and ions in density functional theory Journal of Molecular Structure: Theochem, 361 (1-3). pp. 15-19. ISSN 0166-1280

Vijayakumar, M. ; Gopinathan, M. S. (1995) Study of the importance of relativistic, correlation, and relaxation effects on ionization energy of atoms by a relativistic and correlated local density method Journal of Chemical Physics, 103 (15). pp. 6576-6580. ISSN 0021-9606

Gopinathan, M. S. (1994) Dynamics from time series: iteration maps in correlation space Proceedings of the Indian Academy of Sciences - Chemical Sciences, 106 (2). pp. 479-492. ISSN 0253-4134

Vijayakumar, M. ; Gopinathan, M. S. (1993) Multiple-scattered, relativistic and correlated method (MS-RC≡) for molecules Journal of Chemical Physics, 98 (5). pp. 4009-4014. ISSN 0021-9606

Vijayakumar, M. ; Gopinathan, M. S. (1992) Pair-correlation energy and successive ionization potentials of atoms He-Zn Journal of Chemical Physics, 97 (9). pp. 6639-6643. ISSN 0021-9606

Vijayakumar, M. ; Gopinathan, M. S. (1991) Theoretical Auger transition energies for atoms and ions through the relativistic and correlated local-density method Physical Review A, 44 (5). pp. 2850-2859. ISSN 1050-2947

Siddarth, Prabha ; Gopinathan, M. S. (1990) Dependence of valency on geometry for configuration interaction wave functions International Journal of Quantum Chemistry, 37 (5). pp. 685-699. ISSN 0020-7608

Vijayakumar, M. ; Vaidehi, N. ; Gopinathan, M. S. (1989) Fermi and Coulomb correlated relativistic local-density method for atomsoms Physical Review A, 40 (12). pp. 6834-3851. ISSN 1050-2947

Jug, Karl ; Fasold, Eckhard ; Gopinathan, M. S. (1989) A concept of charge and valence for ab initio wave functions Journal of Computational Chemistry, 10 (8). pp. 965-974. ISSN 0192-8651

Siddarth, Prabha ; Gopinathan, M. S. (1989) Strain in heterocycles Journal of Molecular Structure: Theochem, 187 . pp. 169-176. ISSN 0166-1280

Siddarth, Prabha ; Gopinathan, M. S. (1989) Relationship between valency and heat of atomisation of molecules Proceedings of the Indian Academy of Sciences - Chemical Sciences, 101 (1). pp. 37-41. ISSN 0253-4134

Gopinathan, M. S. (1988) Determination of atomic hybridization in molecular orbital theory: a valency method Journal of Molecular Structure: Theochem, 169 . pp. 379-388. ISSN 0166-1280

Siddarth, Prabha ; Gopinathan, M. S. (1988) Valency correlation diagrams Journal of the American Chemical Society, 110 (1). pp. 96-104. ISSN 0002-7863

Siddarth, Prabha ; Gopinathan, M. S. (1987) A valency method for the prediction of geometry of molecular excited states Proceedings of the Indian Academy of Sciences - Chemical Sciences, 99 (1-2). pp. 91-95. ISSN 0253-4134

Siddarth, Prabha ; Gopinathan, M. S. (1986) Molecular strain from valency Journal of Molecular Structure: Theochem, 148 (1-2). pp. 101-108. ISSN 0166-1280

Gopinathan, M. S. (1986) The quantum chemistry of valency Proceedings of the Indian Academy of Sciences - Chemical Sciences, 96 (3-4). pp. 167-176. ISSN 0253-4134

Gopinathan, M. S. ; Siddarth, Prabha ; Ravimohan, C. (1986) Valency and molecular structure Theoretical Chemistry Accounts, 70 (4). pp. 303-322. ISSN 1432-881X

Ramaprabhu, S. ; Rama Rao, K. V. S. ; Gopinathan, M. S. (1985) Evaluation of the electric field gradient at the ⁷⁹Br site due to BrO₂ radicals in Zn(BrO₃)₂ ·6H₂O, Cd(BrO₃)₂ ·2H₂O and Sr(BrO₃)₂ ·H₂O Journal of Molecular Structure, 131 (3-4). pp. 357-361. ISSN 0022-2860

Selvaraj, V. ; Gopinathan, M. S. (1985) The Slater transition-state method for binding energies in the relativistic local density R Xi method Journal of Physics B: Atomic and Molecular Physics, 18 (15). pp. 3043-3060. ISSN 0022-3700

Selvaraj, V. ; Gopinathan, M. S. (1985) Theoretical calculations of shake-up transitions and intensities using the relativistic local-density R Xi method Journal of Physics B: Atomic and Molecular Physics, 18 (16). pp. 3267-3283. ISSN 0022-3700

Ravimohan, C. ; Gopinathan, M. S. (1985) Molecular electronic virial theorem Theoretical Chemistry Accounts, 67 (3). pp. 199-209. ISSN 1432-881X

Jug, Karl ; Gopinathan, M. S. (1985) Valency changes in chemical reactions Theoretical Chemistry Accounts, 68 (5). pp. 343-349. ISSN 1432-881X

Selvaraj, V. ; Gopinathan, M. S. (1984) Relativistic ≡ method for atoms Physical Review A, 29 (6). pp. 3007-3017. ISSN 1050-2947

Vaidehi, N. ; Gopinathan, M. S. (1984) Ab initio local-density potential for atoms: the modified ≡ method Physical Review A, 29 (4). pp. 1679-1690. ISSN 1050-2947

Gopinathan, M. S. ; Jug, Karl (1983) Valency. I. A quantum chemical definition and properties Theoretical Chemistry Accounts, 63 (6). pp. 497-509. ISSN 1432-881X

Gopinathan, M. S. ; Jug, Karl (1983) Valency. II. Applications to molecules with first-row atoms Theoretical Chemistry Accounts, 63 (6). pp. 511-527. ISSN 1432-881X

Gopinathan, M. S. ; Cherayil, B. J. (1982) Some theoretical studies on concurrent events in photoelectron spectroscopy Pramana - Journal of Physics, 19 (5). pp. 421-429. ISSN 0304-4289

Gopinathan, M. S. ; Ravimohan, C. (1982) Analysis of the bonding nature of molecular orbitals through a one-electron partitioning of electronic energy Chemical Physics Letters, 85 (3). pp. 307-312. ISSN 0009-2614

Gopinathan, M. S. ; Rao, Goruganthu R. (1980) Values for the α parameter in Xα theory Physical Review A, 22 (4). pp. 1764-1768. ISSN 1050-2947

Priyamvada Devi, T. ; Gopinathan, M. S. ; Venkatachalam, C. S. (1980) Nature of the radical formed during electrolytic reduction of 4-(2'-thienyl)quinazoline in dimethylformamide Electrochimica Acta, 25 (9). pp. 1173-1176. ISSN 0013-4686

Gopinathan, M. S. (1979) On the relaxation effect in the Slater transition state Journal of Physics B: Atomic and Molecular Physics, 12 (4). pp. 521-529. ISSN 0022-3700

Bogdanovic, R. ; Gopinathan, M. S. (1979) A canonical transformation of the Hamiltonians quadratic in coordinate and momentum operators Journal of Physics A: Mathematical and General, 12 (9). p. 1457. ISSN 0305-4470

Kishner, S. ; Whitehead, M. A. ; Gopinathan, M. S. (1978) Localized molecular orbitals for dinitrogen dioxide, dinitrogen trioxide, and dinitrogen tetroxide Journal of American Chemical Society, 100 (5). pp. 1365-1371. ISSN 0002-7863

Foti, Aniko E. ; Smith Jr., Vedene H. ; Kishner, S. ; Gopinathan, M. S. ; Whitehead, M. A. (1978) Comparison of SCF-Xα-SW and CNDO/BW calculations on S₄N₄H₄ and F₄S₄N₄ Molecular Physics, 35 (1). 111 - 127. ISSN 0026-8976

Gopinathan, M. S. (1977) Improved approximate representation of the Hartree-Fock potential in atoms Physical Review A, 15 (6). pp. 2135-2142. ISSN 1050-2947

Desmier, P. E. ; Whitehead, M. A. ; Bogdanovic, R. ; Gopinathan, M. S. (1977) Fermi contact interaction and spin density distribution in the Mn² ion: an X_α study using theoretical exchange parameters Molecular Physics, 33 (5). pp. 1457-1462. ISSN 0026-8976

Gopinathan, M. S. (1976) On the hypervirial theorem and the scaling problem International Journal of Quantum Chemistry, 10 (6). pp. 975-983. ISSN 0020-7608

Gopinathan, M. S. ; Whitehead, M. A. ; Bogdanovic, R. (1976) The Fermi hole and the exchange parameter in X_α theory Physical Review A, 14 (1). pp. 1-10. ISSN 1050-2947

Gopinathan, M. S. ; Whitehead, M. A. (1976) Hellmann-Feynman and virial theorems and the total energy of molecules Journal of Chemical Physics, 65 (1). pp. 196-200. ISSN 0021-9606

Bogdanovic, R. ; Whitehead, M. A. ; Gopinathan, M. S. (1976) Factorization of the evolution operator for a spin-orbit coupled system in an external magnetic field for an arbitrary L and S = ½ Canadian Journal of Physics, 54 (23). pp. 2295-2305. ISSN 0008-4204

Gopinathan, M. S. ; Whitehead, M. A. (1975) The electronic structure and localized molecular orbitals in S₄N₄ by the CNDO/BW theory Canadian Journal Of Chemistry, 53 (9). pp. 1343-1347. ISSN 0008-4042

Gopinathan, M. S. ; Whitehead, M. A. ; Coulson, C. A. ; Carruthers, J. R. ; Rollett, J. S. (1974) A reinvestigation of the crystal and molecular structure of hexachloroborazine. A correction Acta Crystallographica Section B: Structural Science, 30 (6). p. 1650. ISSN 0108-7681

Gopinathan, M. S. ; Whitehead, M. A. ; Coulson, C. A. ; Carruthers, J. R. ; Rollett, J. S. (1974) Structural crystallography and crystal chemistry Acta Crystallographica Section B: Structural Science, 30 (3). pp. 731-737. ISSN 0108-7681

Gopinathan, M. S. ; Whitehead, M. A. ; Coulson, C. A. ; Carruthers, J. R. ; Rollett, J. S. (1974) A reinvestigation of the crystal and molecular structure of hexachloroborazine Acta Crystallographica Section B: Structural Science, 30 (3). pp. 731-737. ISSN 0108-7681

Subramanian, J. ; Gopinathan, M. S. ; Ivarasimhan, P. T. (1972) Line-width effects in the ESR spectra of electro-generated radical anions of nitrobenzonitriles Journal of Magnetic Resonance (1969), 7 (4). pp. 388-401. ISSN 0022-2364

Gopinathan, M. S. ; Narasimhan, P. T. (1972) Oriented PMR spectra of acetone and DMSO and molecular orbital studies of ⁴J_HH Journal of Magnetic Resonance (1969), 6 (2). pp. 147-158. ISSN 0022-2364

Gopinathan, M. S. ; Narasimhan, P. T. (1971) Calculations of ¹H-¹⁹F nuclear spin couplings by the finite perturbation method Molecular Physics, 22 (3). pp. 543-545. ISSN 0026-8976

Gopinathan, M. S. ; Narasimhan, P. T. (1971) Effect of lone-pair orientation on nuclear spin couplings Molecular Physics, 22 (3). pp. 473-481. ISSN 0026-8976

Gopinathan, M. S. ; Narasimhan, P. T. (1971) Finite perturbation approach to nuclear spin couplings in three-membered ring systems Molecular Physics, 21 (5). pp. 943-947. ISSN 0026-8976

Gopinathan, M. S. ; Narasimhan, P. T. (1971) Finite perturbation molecular orbital approach to the dihedral angle dependence of vicinal H-H and H-F couplings Molecular Physics, 21 (6). pp. 1141-1144. ISSN 0026-8976