Research Publications of Prof. M.N. Ponnuswamy


Research Publications of Prof. M.N. Ponnuswamy

1)         A Study on the influence of space group symmetry on the measurability of Bijvoet differences (1976). Parthasarathy, S. and Ponnuswamy, M.N., Acta Cryst., A32, 302.

2)   Probability distribution of anomalous phase angles in a centrosymmetric crystal (1977). Ponnuswamy, M.N. and Parthasarathy, S., Acta Cryst., A33, 298.

3)    Quantitative statistical criteria for use in the cumulative, semicumulative and distribution function tests for centrosymmetry (1977). Ponnuswamy, M.N. and Parthasarathy, S., Acta Cryst., A33, 838.

4)                  Overall values of conventional discrepancy indices in the presence of random positional errors – crystals with similar atoms (1979). Parthasarathy, S. and Ponnuswamy, M.N., Acta Cryst., A35, 672.

5)    Evaluation of Wilson’s Ratio for monoclinic and orthorhombic crystals with heavy atoms (1979). Ponnuswamy, M.N. and Parthasarathy, S., J. Mad. Univ., B42(3), 862.

6)                  The effect of data truncation on the measurability of Bijvoet differences (1981). Parthasarathy, S. and Ponnuswamy, M.N., Acta Cryst., A37, 153. (3 times cited; Average citation index 0.10)

7)                  The effect of data truncation on the measurability of Bijvoet differences; erratum (1981). Parthasarathy, S and Ponnuswamy, M.N., Acta Cryst., A37, 921.

8)  Overall values of conventional discrepancy indices for crystals with heavy atoms: Part I: Results for triclinic crystals when the heavy atom part constitutes the model (1981). Parthasarathy, S. and Ponnuswamy, M.N., Pramana, 16, 257. (1 time cited; Average citation index 0.03)

9)                  Overall values of conventional discrepancy indices for crystals with heavy atoms: Part II:  Results for monoclinic and orthorhombic crystals when the heavy atom part constitutes the model (1981). Parthasarathy, S. and Ponnuswamy, M.N., Pramana, 16, 295. (1 time cited; Average citation index 0.03)

10) 3-methyl7-methoxy-5-(prop-1-ene-yl)-2-(3,4-methylene-dioxyphenyl)2,3-dihydrobenzo(b) furan (1981). Ponnuswamy, M.N. and Parthasarathy, S., Cryst. Struct. Commun., 10, 1203.

11)              Overall values of conventional discrepancy indices for related model of a non-centrosymmetric crystal with a centrosymmetric group (1981). Ponnuswamy, M.N. and Parthasarathy, S., Pramana., 17, 69.

12)              Structure of tert-butyloxycarbonyl-L-alanyl-L-Proline monohydrate (t-Boc-Ala-Pro) (1982). Kamwaya, M.E., Oster, O., Bradczek, H., Ponnuswamy, M.N., Parthasarathy, S., Nagaraj, R. and Balaram, P., Acta Cryst., B38, 172.

13)              Trans-Azido(diemthylglyoximato-N’,N”)(dimethylglyoxime-N’,N”)(Pyridine) cobalt(III) [Co(C5H5N)(C4H8N2 O2)(C4H8N2O2)N3] (1983). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C39, 726. (11 times cited; Average citation index 0.41)

14)              Acetyltriphenylmethane, C21H18O (1984). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C40, 142. (1 time cited; Average citation index 0.04)

15)              5-Benzylidene-1,2,3,4,4a,5,6,7,8,9a-decahydro-4a-morpholino-9-phenylxanthene, C30H35NO2 (DBM), and 5-benzylidene-1,2,3,4,4a,5,6,7,8,9a-decahydro-9-phenyl-4a-piperidinoxanthene, C31H37NO (DBP) (1984). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C40, 511. (6 times cited; Average citation index 0.23)

16)              Tri-(b,e,h)-(4,5-dimethoxybenzo)cyclonona-2,5,8-trien-1-one, C27H28O7 (1984).   Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C40, 1420. (2 times cited; Average citation index 0.08)

17)              Bis(triphenyltellurium)di-µ-chloro-bis(dichloro-mercurate(III)), [Te(C6H5)3+]2[Hg2Cl62-] (1984). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C40, 1671. (10 times cited; Average citation index 0.38)

18)              trans-Azido(dimethylglyoximato-N,N')(dimethylglyoxime-N,N')(pyridine)cobalt(III): addition (1985). Evans, S.V., Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C41, 806.

19)              Methyl 3,3,7,7-tetramethyl-2-oxocylcoheptanesulphinate, C12H22O3S (1985). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C41, 915. (4 times cited; Average citation index 0.16)

20)              N-Acetyl-DL-methionine, C7H13NO3S (1985). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C41, 917. (4 times cited; Average citation index 0.16)

21)              (3Rs,13SR)- and (3Rs,13Sr)-3-Bromoacetoxy-13-tetrade-canolide, C16H27BrO4 (1985). Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C41, 1109. (4 times cited; Average citation index 0.16)

22)              Structure of 5-methyl 2-thiocytocine hemihydrate (1985). Ravichandran,V, Chacko, K.K., Ponnuswamy, M.N. and Trotter, J.,  Acta Cryst., C41, 1470.

23)              Structure of diaquabisglycine cobalt (II) bromide (1985). Ravikumar, K., Rajan, S.S., Natarajan, S., Ponnuswamy, M.N. and Trotter, J., Zeits. Fur Kristallographie., 171, 201.

24)              Three molecules in a unit cell with P1 symmetry: The crystal structure of 1.6-hexane diyl bis (triphenylphosphonium) dibromide, (1985). Ponnuswamy, M.N., and Czerwinski, E.W. Paper presented at the American Crystallographic Association Meeting held at Sanfransisco, California, USA – Abstract No. Pc18 – P57,



25)              Structure – reactivity correlations of aromatic nitro compounds: Structure of 1-tert-butyl-3,5-dimethyl-2,4,6-trinitrobenzene(I) and 1-tert-3,4,5-trimethyl 2,6-dinitrobenzene (II) (1986). Padmanabhan, K., Ramamurthy, V., Venkatesan, K., Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C42, 610. (6 times cited; Average citation index 0.25)

26)              Structure of Antischistosome compounds. II Benzyltriphenyl-phosphonium Bromide (1986). Ponnuswamy, M.N. and Czerwinski, E.W., Acta Cryst., C42, 1019.

27)              7,8-Benzochroman-4-one (1986). Ravikumar, K., Rajan, S.S., Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C42, 1043. (1 time cited; Average citation index 0.04)

28)              5,6-Benzochroman-4-one (1986). Ravikumar, K., Rajan, S.S., Ponnuswamy, M.N. and Trotter, J., Acta Cryst., C42, 1423.

29)              Crystal structure of tris (glycine) calcium (II) dichloride (1986). Ravikumar, K., Rajan, S.S., Natarajan, S., Ponnuswamy, M.N. and Trotter, J., Zeits. Fur Kristallographie., 175, 217. (10 times cited; Average citation index 0.43)

30)              Structure/Function studies of (5-aminobenzyl)-and (3-butylamino) propyl-triphenyl phosphonium bromide hydrobromide compounds, Czerwinski, E.., and Ponnuswamy, M.N., Papers presented at the American Crystallographic Association Meeting held at Austin, Texas, USA – Abstract No PE17-P59, 1987.

31)              Structure of antischistosome compounds. III. (3-Cyanopropyl)triphenylphosphonium bromide (1988). Czerwinski, E.W. and Ponnuswamy, M.N., Acta Cryst., C44, 862. (6 times cited; Average citation index 0.27)

32)              Structure of antischistosome compounds. IV. (3-Bromopropyl)triphenylphosphonium bromide (1988). Czerwinski, E.W. and Ponnuswamy, M.N., Acta Cryst., C44, 1862. (10 times cited; Average citation index 0.45)

33)              Structure of 28-hydroxyfriedelan-3-one (1989). Subramanian, K., Selladurai, S., Sivakumar, K., Ponnuswamy, M.N. and Sukumar, E., Acta Cryst., C45, 921. (3 times cited; Average citation index 0.14)

34)              Structure of Antischistosome compounds V. 1,6-Hexanediyalbis (triphenyl phosphonium) dibromide (1989). Czerwinski, E.W. and Ponnuswamy, M.N., Acta Cryst., C45, 1034. (6 times cited; Average citation index 0.29)

35)              Structure of 6-tert-butyl-3-cyclohexyl-3,4-dihydro-2-(tolyloxy)-2H-1,3,2-benzoxyphosphorine 2-oxide (1989). Subramanian, K., Selladurai, S. and Ponnuswamy, M.N., Acta Cryst., C45, 1387. (4 times cited; Average citation index 0.19)

36)              STATC: A Fortran program for conduction statistical tests for centrosymmetry (1990). Parthasarathy, S., Ponnuswamy, M.N., Elango, N. and Sekar, K., Acta Cryst., (supplement), C-37.



37)              Crystal structure of 2-(p-dimethylaminophenyl) thiozolidine (1990). Eswaramoorthy, S., Ponnuswamy, M.N. and Raju, K.S., Acta Cryst., (supplement), C-158.

38)              Eight molecules in a unit cell with P21 symmetry: Crystal structure of 2,4-diphenyl-3-Azabicyclo [3.3.1] nonane-9-ones (1990). Ponnuswamy, M.N., Rajalingam, P. and Czerwinski, E.W., Acta Cryst., (supplement), C-183.

39)              Structure of 2-(p-chlorophenyl) thiazolidine (1991). Eswaramoorthy, S., Ponnuswamy, M.N., Raju, K.S. and Czerwinski, E.W., Acta Cryst., C47, 171. (5 times cited; Average citation index 0.26)

40)              3-(2-Hydroxy-5-methylbenzyl)-6-methylcoumarin (1991). Chinnakali, K., Sivakumar, K., Natarajan, S., Ponnuswamy, M.N. and Czerwinski, E.W., Acta Cryst., C47, 330.

41)              Synthesis and structural characterisation of 2-(p-dimethylamino) thazolidine (1991). Eswaramoorty, S., Ponnuswamy, M.N., Raju, K.S., Umarani, R. and Czerwinski, E.W., J. Cryst. Spec. Res., 21, 745.

42)              Structure of 2-[N-(2-Hydroxyethyl)] aminoethyl-3-phenylthioindole (1993). Eswaramoorthy, S., Raju, K.S. and Ponnuswamy, M.N., Acta Cryst., C49, 107.

43)              Synthesis and structural characterization of 2,6-bis (methylenemorpholino)-4-ter-Butylphenol (1993). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugan, G. and Kandaswamy, M., J. Cryst. Spec. Res., 23(7), 607.

44)              Crystal structure and conformation of n-(t-butyloxycarbonyl)-L-valyl succinamide (1993). Sukumar, N., Ponnuswamy, M.N. and Jeyakumar, R., Bull. Chem. Soc. Japan, 66(7), 2101. (10 times cited; Average citation index 0.59)

45)              Crystal structure and conformation of N-(t-butoxy-carbonyl)-L-isoleucyl-L-alanyl-benzylester (1993). Sukumar, N., Ponnuswamy, M.N. and Jeyakumar, R., J. Cryst. Spec. Res., 23, 769.

46)              Crystal and molecular structure of 2,6-Di(O-chloro)phenyl-3,5-dimethyl-N-nitrosopiperidin-4-one (NOCDMPO) (1993). Sukumar, N., Ponnuswamy, M.N., Thenmozhiyal, J.C. and Jeyaraman, R., J. Cryst. Spec. Res., 23, 871. (9 times cited; Average citation index 0.53)

47)              Stretching of τ(N-Cα-C’) angle in aminoacids and peptides, Sukumar, N., Kumaran, D and Ponnuswamy, M.N., Proc. Nat. Sym. on Mol and Cellular Biophysics held on Jan 7-9, 1993 at Anandapur, India.

48)              Crystal structure of 1,1’-dinapthoxymethane-phenyloxyphosphine sulphide (1994). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugan, G., Maninaidu, S. and Krishniah, M., Zeits. Fur Kristallographie, 209, 604.




49)              Structural investigation of 2,6-difuryl 3,5-dimethyl-4-piperidinone (DFMP) and its N-nitroso derivative (DFMPNO) in solution and solid state. Influence of Nitroso moiety on the conformation of piperidine ring and orientation of its substituents (1994). Sukumar, N., Ponnuswamy, M.N., Thenmozhiyal, J.C. and Jeyaraman, R., Bull. Chem. Soc. Japan, 67, 1069. (10 times cited; Average citation index 0.62)

50)              Synthesis and structural characterization of 1-[1-(napthalenyl)-3-4(nitrophenyl)-2-propen-1-one (1994). Eswaramoorthy, S., Ponnuswamy, M.N., Raju, K.S., Nanjundan, S. and Krishnaswamy, V., Zeits. Fur Kristallographie, 209, 669. (3 times cited; Average citation index 0.19)

51)              Crystal and molecular structure of 3,5-dimethyl-N-nitroso-4-oximino-2,6-diphenyl piperidin-4-one (DMNOH) (1994). Sukumar, N., Ponnuswamy, M.N., Vijayalakshmi, R. and Jeyaraman, R., Zeits. Fur Kristallographie, 209, 823. (4 times cited; Average citation index 0.25)

52)              Structural characterization of 2,6-bis(N-methylenepiperidino)-4-nitrophenol (MPN) and 2,6-bis(N-methylenmorpholino)-4-nitrophenol (MMP) (1994). Shanmuga Sundara Raj, S., Velmurugan, D., Ponnuswamy, M.N., Shanmugam, G. and Kandaswamy, M., J. Cryst. Spec. Res., 24(3), 185. (4 times cited; Average citation index 0.25)

53)              Synthesis and structural characterization of 2,6-bis-(N-methylenemorpholino)-4-methylphenol (MMP) and 2,6-bis-(N-methylenemorpholino)-4-bromophenol (MBrP) (1994). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G. and Kandaswamy, M., J. Chem. Cryst., 24, 1.

54)              Crystal structure and conformation of N-(t-butoxycarbonyl)-L-alanyl-(S-benzyl)-L-cysteine methylester (1994). Sukumar, N., Ponnuswamy, M.N. and Jeyakumar, R., Bull. Chem. Soc. Japan, 67, 1976.

55)              STATCW and STATCN: Fortran programs for conducting statistical tests for centrosymmetry (1994). Parthasarathy, S., Sekar, S., Ponnuswamy, M.N., Elango, N. and Karthikeyan, S., J. Appl. Cryst., 27, 653.

56)              Structural characterization of 2,6-di(2-thioenyl-3,5-dimethyl piperidin-4-one (DTMP) in solution and solid state (1995). Sukumar, N., Ponnuswamy, M.N., Thenmozhiyal, J.C. and Jeyaraman, R., J. Chem. Cryst., 25(4), 177. (3 times cited; Average citation index 0.20)

57)              3-2(chlorophenyl)-1-(2-naphthyl)-2-propen-1-one (1996). Kumaran, D., Eswaramoorthy, S., Ponnuswamy, M.N., Raju, K.S. and Nanjundan, S., Acta Cryst., C52, 2543. (4 times cited; Average citation index 0.29)

58)              1-(2-Naphthyl)-3-(4-nitrophenyl)prop-2-en-1-one (1996). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G. and Nanjundan, S., Acta Cryst., C52, 3145. (9 times cited; Average citation index 0.69)

59)              Enzymology and folding of Natural and Engineered bacterial b-glucanes studied by X-ray Crystallography (1996). Heinamann, U., Ay, J., Gaiser, O., Muller, J.J and Ponnuswamy, M.N., Biol. Chem., 377, 477.

60)              3-(4-Chlorophenyl)-1-[2-(naphthyl)]-2-prop-2-enone (1997). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G., and Nanjundan, S., Acta Cryst., C53, 917. (7 times cited; Average citation index 0.54)

61)              1-(2-Naphthalenye)-3-(3-nitrophenyl)-2-propen-1-one (1998). Shanmuga Sundra Raj, S., Ponnuswamy, M.N., Shanmugam, G., and Nanjundan, S., Acta Cryst., C54, 541.

62)              Ethyl-3,5-dimethyl-4-oxo-cis-2,6-diphenylpiperidine-1-carboxylate (1998). Suresh Kumar, M., Ponnuswamy, M.N., Ponnuswamy, S., Jeyaraman, R., Panneerselvam, K. and Soriano, M., Acta Cryst., C54, 870.
63)              Solvent accessibility analysis on the mutants of Hsc 70 ATPase fragment (1998). Kumarevel, T.S., Gromika, M.M. and Ponnuswamy, M.N., Biophys. Chem., 71, 99. (6times cited; Average citation index 0.50)

64)              Analysis of hydrophobic and charged patches and influence of medium and long range interactions in molecular chaperones (1998). Kumarevel, T.S. Gromiha, M.M and Ponnuswamy, M.N., Biophys. Chem., 75,105.

65)              Molecular chaperones (1998). Kumarevel, T.S., Ponnuswamy, M.N., Gromiha, M.M., Curr. Sci., 75(10), 100. (2 times cited; Average citation index 0.17)

66)              Crystal structures of 2,2-(benzenesulphonly)-1-(4-Chlorobenzoyl) cyclopropane (1999). Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G. and Krishnaiah, M., Cryst. Res. Tech., 34(10), 1333.

67)              Molecular structures and conformation of three 3-azabicyclononanes (1999). Kumaran, D., Ponnuswamy, M.N., Shanmugam, G., Ponnuswamy, S., Jeyaraman, R. and Fun, H.K., Acta Cryst., B55, 793.

68)              3-(2-Chlorophenyl)-4-phenyl-1,2,4-triazole-5-thione (1999). Kumaran, D., Ponnuswamy, M.N., Jayanthi, G., Ramakrishnan, V.T., Chinnakali, K  and Fun, H.K.,  Acta Cryst., C55, 581.

69)              1,4-Bis(2-hydroxy-5-methylbenzyl)piperazine (1999). Kuppayee, M., Kumaran, D., Ponnuswamy, M.N., Kandaswamy, M., Jayanthi Violet, M., Chinnakali, K. and Fun, H.K., Acta Cryst., C55, 2147. (8 times cited; Average citation index 0.80)

70)              Crystal structure of 4-(2-Chlorophenyl)-3-(4-methoxyphenyl)-1,2,4-triazole-5-thione (2000). Kumaran, D., Ponnuswamy, M.N., Jayanthi, G., Ramakrishanan, V.T., Panneerselvam, K. and Soriano, M., Cryst. Res. Tech, 35(2), 239.

71)              6,7-Dihydrodibenzo[e,g]azulen-8(5H)-one and 12,13-dihydrobenzo[e]napth[2,1-g]azulen-14(11H)-one (2000). Abdul Ajees, A., Ponnuswamy, M.N., Parthasarathy, S. and Huq C.A.M.A., Acta Cryst., C56, 824.

72)              Structural class prediction: an application of residue distribution along the sequence (2000). Kumarevel, T.S., Gromiha, M.M. and Ponnuswamy, M.N., Biophys. Chem., 88, 81.

73)              Synthesis of mononuclear nickel(II) and copper(II) complexes using compartmental ligands: X-ray and electrochemical studies (2000). Manonmani, J., Thirumurugan, R., Kandaswamy, M., Kuppayee, M., Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G. and Fun, H.K., Polyhedron, 19, 2011. (7 times cited; Average citation index 0.70)

74)              Synthesis of copper(II) and nickel(II) complexes using compartmental ligands: X-ray, electrochemical and magnetic studies (2001). Manonmani, J., Thirumuruhan, RA., Kandaswamy, M., Narayanan, V., Shanmuga Sundara Raj, S., Ponnuswamy, M.N., Shanmugam, G. and Fun, H.K., Polyhedron, 20, 3039.

75)              3-Benzylidene-1’-methyl-4’-phenylcyclohexanespiro-3’-pyrrolidine-2’-spiro-3”-indoline-2,2”-dione (2001). Jeyabharathi, A, Ponnuswamy, M.N., Amalraj, A., Ragunathan, R., Razak, IA.,  Anwar Usman, Chantrapromma, S. and Fun, H.K., Acta Cryst., E57, o901.

76)              Distribution of amino acid residues and residue-residue contacts in molecular chaperones (2001). Kumarevel, T.S., Gromiha, M.M. and Ponnuswamy, M.N., Prep. Biochem. Biotech., 31, 163. (3 times cited; Average citation index 0.33)

77)              4-[3-(3,4-Dimethoxyphenyl)prop-2-enoyl]phenyl methacrylate and 4-[3-(2-bromophenyl)prop-2-enoyl]phenyl methacrylate (2002). Jeyabharathi, A., Ponnuswamy, M.N., Nanjundan, S., Fun, H.K., Chantrapromma, S., Usman, A. and Razak, IA., Acta Cryst., C58, o26. (9 times cited; Average citation index 1.12)

78)              9,10-Bis(3-hydroxy-3,3-diphenylprop-1-ynyl)anthracene N,N'-dimethylformamide solvate (2002). Sugadev, R., Balasundresan, D., Chacko, K.K., Ponnuswamy, M.N., Suresh kumar, M., Acta Cryst., E58, o88.

79)              9,9-Dimethoxy-7,11-diphenyl-2,4-diazaspiro[5.5]undecane-1,3,5-trione monohydrate (2002). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Bhasker Reddy, V., Padmavathi, V., and Fun, H.K., Acta Cryst., C58, o678.

80)              Diisopropyl 2-(2-benzoyl-1-phenylethyl) malonate (2002). Jeyabharathi, A., Ponnuswamy, M.N., Narasimhan, S. and Velmathi, S., Acta Cryst., E58, o334.

81)              5-Benzoyl-1-cyclohexyl-3(m-nitrophenyl)-2-phenylpyrrolidine-spiro-4,2’-(6’-methoxy-1’-tetralone) (2002). Jeyabharathi, A, Ponnuswamy, M.N., Amalraj, A., Ragunathan, R., Fun, H.K., Acta Cryst., E58, o685. (1 time cited; Average citation index 0.12)

82)              Crystal structure of {1-(2-Phenyloxy)N[N-cyclohexylthiouryl)] ethylamine-(1,10-phenanthrolinyl)] copper(II) (2002). Ambalavanan, P., Palani, K., Ponnuswamy, M.N., Cryst. Res. Technol., 37, 1249.

83)              Purification and crystallization of coconut globulin cocosin from Cocous nucifera (2002). Balasundresan, D., Sugadev, R., Ponnuswamy, M.N., Biophys. Biochem. Acta - Protein and proteomics, 1601, 121.

84)              Crystal Structure of m-phenoxo bridged dicopper complex:{N-[(2-hydroxylato-5-methyl) benzyl-(2’-hydroxylato-3’-5’-dimethyl benzyl)] ethyl amine dicopper(II)} (2002). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Manonmani, J., Kandaswamy, M. and Fun, H.K, Cryst. Res. Technol., 37(12), 1360. (1 time cited; Average citation index 0.14)

85)              Fast N-CO rotational equilibria I twist-boat conformations of N-ethoxycarbonyl-r-2, c-6-diphenylpiperidin-4-ones and N-ethoxycarbonyl-r-2, c-6-diphenylpiperidines (2002). Ponnuswamy, S., Venkatraj, M., Jeyaraman, R., Suresh Kumar, M., Kumaran, D. and Ponnuswamy, M.N., Indian J. Chem., 41B, 614. (10 times cited; Average citation index 1.25)

86)              Crystal structures of two trizole derivatives (2003). Ambalavanan, P., Palani, K., Ponnuswamy, M.N., Thirumuruhan, RA., Yathirajan, H.S., Prabhusamy, B., Raju, C.R., Nagaraja and Mohana, K.N., Mol. Cryst. Liq. Cryst., 393, 67.

87)              Crystal structures of two imidazole derivatives (2003). Ambalavanan, P., Palani, K., Ponnuswamy, M.N., Thirumuruhan, RA., Yathirajan, H.S., Prabhusamy, B., Raju, C.R., Nagaraja and Mohana, K.N., Mol. Cryst. Liq. Cryst., 393, 75. (3 times cited; Average citation index 0.43)

88)              Crystal structures of pair of benzothiazepines (2003). Nallini, A., Saraboji, K., Ponnuswamy, M.N., Muthukumar, M. and Jeyaraman, R., Mol. Cryst. Liq. Cryst., 393, 83.

89)              Crystal structures of T-3-Isopropyl-1-methyl-r-2,c-6-diphenylpiperidin-4-one thiosemicarbazone (2003). Sampath, N., Malathy Sony, S.M., Ponnuswamy, M.N., Nethaji, M., Acta Cryst., C59, o346. (2 times cited; Average citation index 0.29)

90)              Spiro[3,4-bis(4-chlorophenyl)-4,5-dihydroisoxazole-5,3'-flavan-4'-one] (2003). Jeyabharathi, A., Ponnuswamy, M.N., Manikandan, S. and Raghunathan, R., Acta Cryst., E59, o237. (3 times cited; Average citation index 0.43)

91)              Spiro[3-(4-chlorophenyl)-4-(4-methylphenyl)-4,5-dihydroisoxazole-5,3'-flavan-4'-one] (2003). Jeyabharathi, A., Ponnuswamy, M.N., Manikandan, S. and Raghunathan, R., Acta Cryst., E59, o240.

92)              Ethyl 3-methyl-1-(2,4-dinitrophenyl)-1H-pyrazole-4-carboxylate (2003). Etti, S., Shanmugam, G., Ponnuswamy, M.N., Sridhar, R., Murugan, R., Perumal, P.T. and Ravikumar, K., Acta Cryst., E59, o1835.

93)              Structure and Conformational analysis of a macrocyclic ligand: [24,26-dioxo-3,6,14,17-tetraazapentacyclo(21.0.11,19.13,6.18,12.114,17)hexacosan-1(23),8(25),9,11,19,21-hexaene] (2003). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Murali, V. and Rajakumar, P., Mol. Cryst. Liq. Cryst., 399, 85.

94)              Role of weak interactions in the structure of 3-(a,a’-dibromomethyl 1-4 benzotriazole (2003). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Murali, V. and Rajakumar, P., Mol. Cryst. Liq. Cryst., 403, 15.

95)              Crystal structure and conformation of two similar piperidones (2003). Nallini, A., Saraboji, K., Ponnuswamy, M.N., Venkatraj, M. and Jeyaraman, R., Mol. Cryst. Liq. Cryst., 403, 49. (2 times cited; Average citation index 0.33)

96)              Crystal structure and conformation of a pair of piperidine derivatives (2003). Nallini, A., Saraboji, K., Ponnuswamy, M.N., Venkatraj, M. and Jeyaraman, R., Mol. Cryst. Liq. Cryst., 403, 57.

97)              A comparative study on structure and conformation of three hydroxybenzylamine ligands (2003). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Manonmani, J., Kandaswamy, M. and Fun, H.K., J. Chem. Cryst., 33, 925.

98)              Purification and crystallization of haemoglobin from donkey (equus asinus) (2004). Balasundaresan, D., Saraboji, K and Ponnuswamy, M.N., Biochem. Biophys. Res. Commun., 313/3, 466. (1 time cited; Average citation index 0.17)

99)              Role of non-covalent interactions for determining the folding rate of two-state proteins (2004). Gromiha, M.M., Saraboji, K., Ahmad, S., Ponnuswamy, M.N. and Suwa, M., Biophys. Chem., 107, 263. (3 times cited; Average citation index 0.50)

100)          Structure and conformation of a nickel complex:{2-Hydroxo-3-piperidine-1-yl-methyl-N,N'(bis-5-bromobenzylpropylenediimine)nickel(II)perchlorate}(2004). Malathy Sony, S.M., Saraboji, K., Ponnuswamy, M.N., Manaonmani, J., Kandasamy, M., Fun, H.K.,   Cryst. Res. Tech., 39,185. (3 times cited; Average citation index 0.50)

101)          Crystallization and structural studies of N-benzyloxycarbonyl-L-Tyrosine-L-Glysine-Ethyl Ester (Z-Tyr-Gly-Ole) (2004). Nallini, A., Saraboji, K., Ponnuswamy, M.N. and Katti, S.B, Cryst. Res. Technol., 39, 279. (1 time cited; Average citation index 0.17)

102)          Structure and conformation of N-(t-butoxycarbonyl)-l-isoleucyl-l-leucine methyl ester (2004). Thirumurughan, RA., Malathy Sony, S.M., Shanmugam, G., Jeyakumar, R and         Ponnuswamy, M.N., Mol. Cryst. Liq. Cryst., 414, 39. (1 time cited; Average citation index 0.17)

103)          2-2’-{(Z)-Ethane-1,2-diylbis[(Z)-o-phenylene-nitrilomethylidyne]}diphenol (EIEP), Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N.,  and Yathirajan, H.S., Acta Cryst.,. E60, o1078, 2004.

104)          Crystal structure of 2,6-diphenyl azabicyclo [3.3.1] nonan-9-one thiosemicarbazone (2004). Sampath, N., Malathy Sony, S.M., Ponnuswamy, M.N., Nethaji, M., Cryst. Res. Technol., 39, 821.

105)          Structure and conformation of N-t-Butoxycarbonyl-L-valine-L-phenylaline methyl ester (Boc-Val-Phe-OMe) (2004). Nallini, A., Saraboji, K., Ponnuswamy, M.N. and Katti, S.B, Cryst. Res. Technol., 39, 179.

106)          Presence of pseudo-peptide bond in the crystal structure of n-(t-butoxycarbonyl)-ε-n'-benzyloxycarbony-l-lysyl-l-isoleucine (boc-lys(obzl)-ile) (2004). Malathy Sony, S.M., Sukumar, N., Ponnuswamy, M.N., and Jayakumar, R., Cryst. Res. Technol., 39, 368.

107)          A study of aromatic hydrogen bonds for peptides with aromatic amino acid side-chains (2004). Nallini, A., Saraboji, K., Ponnuswamy, M.N., Ind. J. Biochem. Biophys, 41, 184.

108)          4’-(2-chlorophenyl)-2,3-dihydro-1’-methyl-3’-nitrospiro[1H-indole-3,2’-pyrrolidin]-2-one (2004). Sampath, N., Ponnuswamy, M.N., Poornachandran, M. and Raghunathan, R., Acta Cryst., E60, o1862.

109)          Methyl-4-oxo-r-2,c-6-diphenyl piperidine-3-carboxylate (2004). Sampath, N., Ponnuswamy, M.N. and Nethaji, M., Acta Cryst., E60, o2105.

110)          Crystal structure of a copper(II) complex: 4-chloro-3-methyl-6(3’-N,N-dimethylamino-1’-iminomethyl) phenolato copper(II)acetate (2004). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Manonmani, J., Kandasamy, M., Sivakumar, K. and Fun, H.K., Anal. Sci., 20, x85.

111)          Crystal Structure of Dimethyl-2,6-diaryl-4-N-methylcyclohexanimine-1,1-dicarboxylate (2004). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Padmavathi, V. and Bhaskar Reddy, D., Anal. Sci., 20, x103.

112)          5-Benzyl-8-(E)-benzylidene-6,7,7a,10a-tetrahydro-5H-cis-cyclopenta[5,6]pyrano[3,3-c]quinolin-6-one (2004). Aravindan, S., Sampath, N., Ponnuswamy, M.N., Kalaivasan, N., Raghunathan, R. and Nethaji, M. Acta Cryst., E60, o1699.

113)          1-(2-Pyridyl)-2,4-bis(2-pyridoyl)-3,5-bis(4-tolyl)-cyclohex-1-ol (2004). Krishnapriya, K.R., Sampath, N., Aravindhan, S., Kandaswamy, M. and Ponnuswamy, M.N., Acta Cryst., E60, o2353.

114)          Crystal structure of 2-chloro-3(b-nitrovinyl)quinoline (2004). Palani, K., Ambalavanam, P., Ponnuswamy, M.N., Yathirajan, H.S., Prabhusamy, B., Raju, C.R. and Nagaraja, P., Anal. Sci., 20,403.

115)          Crystal structure of 4(4’-diethylimothphenyl)-6-(4-methoxypheynyl)-(2-pyrrolidin-1-yl)-pyridine-3-carbonitrile (2004). Palani, K., Ambalavanan, P., Ponnuswamy, M.N., Raghu kumar, V. and Ramakrishnan, V.T., Anal. Sci., 20, 405.

116)          Crystal structure of N1,N5-dibenzoyltetrahydro-4-methyl-1,5-benzodiazepin-2-one (DBTBO) and tetrahydro-4-methyl-one,5-benzodiazepin-2-one (TBO) (2005). Nallini, A., Saraboji, K., Ponnuswamy, M.N., Venkatraj, M. and Jeyaraman, R., Cryst. Res. Technol., 40, 622. (2 times cited; Average citation index 0.40)

117)          4’-{[2-(But-2-enyl)-4-chloro-5-formyl-1H-imidazol-1-yl]methyl}biphenyl-2-carbonitrile (2005). Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N., Yathirajan, H.S. and Nethaji, M.,  Acta Cryst., E61, o25. (1 times cited; Average citation index 0.20)

118)          Valdecoxib, a non-steroidal anti-inflammatory drug (2005). Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N. and Yathirajan, H.S., Acta Cryst., E61, o108. (2 times cited; Average citation index 0.40)

119)          Ethyl 5-amino-3-methylisoxazole-4-carboxylate (2005). Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N., Yathirajan, H.S. and Nethaji, M., Acta Cryst., E61, o198.

120)          3-Benzyl-2-methyl-1-phenylsulfonyl-1H-indole (2005). Malathy Sony, S.M., Palani, K., Charles, P., Ponnuswamy, M.N., Sureshbabu, N., Srinivasan, P.C. and Nethaji, M., Acta Cryst., E61, o521. (2 times cited; Average citation index 0.40)

121)          Purification of lipase from Cunninghamella verticillata by stepwise precipitation and optimized conditions for crystallization, Kumarevel, T.S., Gopinath, S.C.B., Hilda, A., Gautham, N. and Ponnuswamy, M.N., W. J. Microbiol. Biotech., 21, 23.

122)          Relative importance of secondary structure and solvent accessibility to the stability of protein mutants: A case study with amino acid properties and energetics on T4 and human lysozymes (2005). Saraboji, K., Gromiha, M.M. and Ponnuswamy. M.N., Comp. Biol. Chem., 29, 25. (4 times cited; Average citation index 0.80)

123)          N-(2-Benzoyl-4-chlorophenyl)-2-chloroacetamide (2005). Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N., Yathirajan, H.S. and Nethaji, M., Acta Cryst., E61, o632.

124)          2-(1-Benzoyl-1-phenylethyl)-3-phenylsulfanyl-1-phenylsulfonyl-1H-indole (2005). Malathy Sony, S.M., Palani, K., Charles, P., Ponnuswamy, M.N., Sureshbabu, N., Srinivasan, P.C. and Nethaji, M., Acta Cryst., E61, o578.

125)          Crystal structures of two acridinedione derivatives (2005). Palani, K., Amabalavanan, P., Ponnuswamy, M.N., Murugan, P. and Ramakrishnan, V.T., Cryst. Res. Technol., 40, 277.

126)          Importance of main-chain hydrophobic free energy to the stability of thermophilic proteins (2005). Saraboji, K., Gromiha, M.M. and Ponnuswamy, M.N., Int. J. Biol. Macromol., 35, 211. (8 times cited; Average citation index 1.60)

127)          Crystal structure and conformation of N-(t-Butoxycarbonyl)-L-Isoleucyl-L-Valine methyl ester (Boc-Ile-Val-Ome) (2005). Sukumar, N., Malathy Sony, S.M., Ponnuswamy, M.N. and Jayakumar, R., Mol. Cryst. Liq. Cryst., 428, 77.

128)          2-Methoxy-5-methylphenyl phenyl ketone (2005).  Malathy Sony, S.M., Charles, P., Ponnuswamy, M.N. and Nethaji, M., Acta Cryst., E61, o801. (1 time cited; Average citation index 0.20)

129)          5,3’-Dihydroxy-3-7-4’-5’-tetramethoxyflavone (2005). Etti, S., Shanmugam, G., Ponnuswamy, M.N.,  Balakrishna, K. and Saradha Vasanth, Acta Cryst., E61,o846. (3 times cited; Average citation index 0.60)

130)          2,2’-Diaminodibenzyl: a rare case of crystallographically non-complant molecular symmetry (2005). Narasegowda, R.S., MalathySony, S.M., Mondal, S., Nagaraj, B., Yathirajan, H.S., Narasimhamurthy, T., Charles, P., Ponnuswamy, M.N., Nethaji, M., and Rathore, R.S., Acta Cryst., E61,o843. (3 times cited; Average citation index 0.60)

131)          1,2-Bis(2-chlorophenyl)-1,2-bis(3,4-dimethylphenyl)ethane-1,2-diol (2005). Sampath, N., Aravindhan, S., Ponnuswamy, M.N., Yathirajan, H.S. and Nethaji, M., Acta Cryst., E61, o886.

132)          Crystal structure of N-Methyl-3-t-isopropyl-r-2, c-6-diphenyl piperidin-4-one (2005). Sampath, N., Aravindan, S.,  Ponnuswamy, M.N., and Nethaji, M., Anal. Sci., 21, x67.

133)          Crystal structure of 1-phenyl sulfonyl-2-methyl-3-cyano indole (2005). Sampath, N., Ponnuswamy, M.N., Jaisankar, P. and Srinivasan, P.C., Anal. Sci., 21, x69.

134)          Crystal structure of 4-Amno-3-(4’-chlorophenyl)-4-H-[1,2,4]-trazolo-5-thole (2005). Yathirajan, H.S. Ponnuswamy, M.N. Prabhuswamy, B. Palani, K. Nagaraja, P and Nagaraj, B. Analytcal sciences., 21, x1.

135)          Crystal structure of 4’-(4-Bromobenzoyl)-1’-methyldispiro[indole-3(2H),2’-pyrrolidine- 3,3’’(2’’H)-indole]-2,2’’-dione (2005). Palani, K.  Ponnuswamy, M.N. Suresh Babu, A.R. Raghunathan, R. and Ravikumar, K. Acta Cryst., E61, o4254.

136)          Crystal structure of 4’-(4-Chlorobenzoyl)-1’-methyldispiro[indole-3(2H),2’-pyrrolidine- 3,3’’(2’’H)-indole]-2,2’’-dione (2005). Palani, K.  Ponnuswamy, M.N. Suresh Babu, A.R. Raghunathan, R. and Nethaj, M. Acta Cryst., E61, o4257.

137)          Crystal structure of 4’-(4-methoxybenzoyl)-1’-methyldispiro[indole-3(2H),2’-pyrrolidine- 3,3’’(2’’H)-indole]-2,2’’-dione (2005). Palani, K.  Ponnuswamy, M.N. Suresh Babu, A.R. Raghunathan, R. and Nethaj, M. Acta Cryst., E61, o4260.

138)          Crystal structure of bis(2-butyl-4-chloro-imidazole)- 5-iminoethane (2005).  Yathirajan, H.S. Raju, C.R. M. Lokanatha Rai, K.M. Jailakshmi, K. Nagaraja, P. Palani, K. Ponnuswamy, M.N.  and Nethaji, M. Journal of Chemical Crystallography., 35, 211. (2 times cited; Average citation index 0.40)

139)          Synthesis and characterization of 9-(4-nitrophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydro-1,8(2H,5H)acridinedione and its methoxyphenyl derivative (2005). Palani, K. Thirumalai, D. Ambalavanan, P. Ponnuswamy, M.N. and Ramakrishnan, V.T. Journal of Chemical Crystallography., 35, 751.

140)          Crystal structure of 3-(1,2-Diphenylvinyl)-2-methyl-1-phenylsulfonyl-1H-indole (2006). Palani, K.  Jaisankar, P. Srinivasan, P.C. and Ponnuswamy, M.N. Acta Cryst.,. E62, 271.

141)          Crystal structure of 1,3-Bis(4-methoxyphenyl)-2-benzothiophene (2006). Palani, K Amaladass, P. Mohanakrishnan, A.K. and Ponnuswamy, M.N. Acta Cryst.,  E62, o49. (2 times cited; Average citation index 0.50)

142)          Crystal structure of 3-(Anthracen-9-yl)-3H-isobenzofuran-1-one K. Palani, P. Amaladass, A. K. Mohanakrishnan and Ponnuswamy, M.N. (2006).  Acta Cryst., E62, o55. (1 time cited; Average citation index 0.25)

143)          Crystal structure of 1-Benzenesulfonyl-2,3-dimethyl-1H-indole (2006). Palani, K. Ponnuswamy, M.N. Jaisankar, P. Srinivasan, P.C. and Nethaji, M. Acta Cryst., E62, o85. (5 times cited; Average citation index 1.25)

144)          Crystal structure of 4’-(4-Methylbenzoyl)-1’-methyldispiro[indole-3(2H),2’-pyrrolidine- 3,3’’(2’’H)-indole]-2,2’’-dione (2006). Palani, K.  Ponnuswamy, M.N. Suresh Babu, A.R. Raghunathan, R. and Ravikumar, K. Acta Cryst., E62, o52.

145)          Crystal structure of a tetrazole derivative (2006). Yathirajan, H.S. Nethaji, M. Prabhuswamy, B. Raju, C.R. Nagaraja, P. Shashikanth1, S. Ponnuswamy, M.N. and Palani. K. Cryst. Res. Technol., 41, 299 – 303.

146)          Role of amino acid properties to determine backbone t(N-Ca-C¢) stretching angle in peptides and proteins (2006). Malathy Sony, S.M., Saraboji, K., Sukumar, N. and Ponnuswamy, M.N., Biophys. Chem., 120, 24-31. (1 times cited; Average citation index 0.25)

147)          Crystal structure of 3-Chloro-1-phenylsulfonyl-1H-indole-2-carbaldehyde (2006). Palani, K. Ponnuswamy, M.N. Jaisankar, P Srinivasan, P.C and Nethaji, M. Acta Cryst., Acta Cryst., E62, o437. (1 time cited; Average citation index 0.25)

148)          Crystal structure of an azabicyclic thiosemicarbazone derivative (2006). Sampath, N., Ponnuswamy, M.N. and Nethaji, M., Mol. Cryst. Liq. Cryst., 442, 31.

149)          Crystal structure of 3-Bromomethyl-1-phenylsulfonyl-1H-indole-2-carbonitrile (2006). Palani, K., Ponnuswamy, M.N., Jaisankar, P., Srinivasan, P.C. and Nethaji, M., Acta Cryst., E62, o440. (6 times cited; Average citation index 1.50)

150)          Average Assignment Method for Predicting the Stability of Protein Mutants (2006). Saraboji, K., Gromiha, M.M. and Ponnuswamy, M.N., Biopolymers, 82, 80. (9 times cited; Average citation index 2.25)

151)          Conformational aspects and interaction studies of heterocyclic drugs (2006)
Ponnuswamy, M.N., Michael Gromiha, M., Malathy Sony, S.M. and Saraboji, K., Top. Heterocycl. Chem. 3, 81.(Review article)

152)          Structural basis for the substrate specificity of a Bacillus 1,3- 1,4-β-glucanase (2006) Olaf J. Gaiser, Piotukh,K., Ponnuswamy, M.N., Planas, A., Borriss, R. and  Heinemann, U. J. Mol. Biol., 357,1211.

153)          Crystal structure and conformation study of N-Methyl-t-3-methyl-r-2,c-6-    diphenylpiperidin-4-one thiosemicarbazone (2006). Sampath, N., Ponnuswamy, M.N. and Nethaji, M., Cryst. Res. Technol., 41, 192.

154)          Crystal Structure of a Ternary Mononuclear Copper (II) Complex: 4-Chloro-3-methyl-6[(N-2-picolyl)-1’-iminomethyl]phenolato copper(II)perchlorate (2006). Malathy Sony, S.M., Kuppayee, M., Ponnuswamy, M.N., Manonmani, J., Kandasamy, M., Sivakumar, K. and Fun, H.K., Cryst. Res. Technol., 41, 517.

155)          Nature of p-interactions in nitrogen containing heterocyclic systems-a structural database analysis (2006). Malathy Sony, S.M. and Ponnuswamy, M.N., Crystal Growth and Design 6, 736.

156)          Crystal structure of haemoglobin from donkey (Equus asinus) at 3Å resolution (2006). Balasundaresan, D., Saraboji, K and Ponnuswamy, M.N., Biochimie, 88, 719.

157)          1,6-Dioxa[6.5]orthocyclophane-13,16-diene-15-one (2006). Sampath, N., Ponnuswamy, M.N., Amal Raj, A. and Raghunathan, R., Mol. Cryst. Liq. Cryst., 451, 141.

158)          Crystal structure analysis of piperdine containing thiosemicarbazone derivative (2006). Sampath, N., Ponnuswamy, M.N. and Nethaji, M., Mol. Cryst. Liq. Cryst., 452, 93.

159)            Geometrical analysis to understand the ability of halogen atoms to act as hydrogen bond acceptors: a structural data base study (2006). Malathy Sony, S.M. and Ponnuswamy, M.N., Bull. Chem. Soc. Jpn., 79, 1766. (1 times cited; Average citation index 0.33).

160)          Crystal structures of 3-[1-Benzenesulfonyl-3-phenylsulfanyl-1H-indol-2-yl]-1-[4-(methyl (I)/methoxy (II) phenyl)]-2-phenyl-propane-1-one (2006). Palani, K. Sureshbabu, N. Srinivasan, P. C. Nethaji, M and Ponnuswamy, M.N., Journal of Chemical Crystallography.  36 (6),349-355

161)          Prediction of protein mutant stability using classification and regression tool (2007) Huang, L.T. Saraboji, K. Ho, S.Y. Hwang, S.F. Ponnuswamy, M.N, Gromiha, M.M. Biophys Chem. 125, 462.  (7 times cited; Average citation index 2.33).

162)          Molecular basis behind the substrate specificity of Polygalacturonase through computational study (2007). Malathy Sony, S.M. and Ponnuswamy, M.N., Polymer, 48, 910.

163)          Crystal Structure of 2-(4-Methoxybenzyl)-3-methyl-1-phenylsulfonyl-1H-indole (2007).  Balasubramanian, M, Sathya Moorthy, Pon, Dhayalan, V, Mohanakrishnan, A. K. and Ponnuswamy, M. N. Acta Cryst.,. E63, o4134.

164)          Crystal Structure of Ethyl 2-acetamidomethyl-5-methoxy-1-(phenylsulfonyl)indole-3-carboxylate (2007). Sathya Moorthy, Pon. Balasubramanian, M. Dhayalan, V. Mohanakrishnan, A. K. and Ponnuswamy, M. N. Acta Cryst.,. E63, o4223.

165)          Crystallization of sheep (Ovis aries) and goat (Capra hircus) haemoglobins under unbuffered low-salt conditions (2007). Neelagandan, K. Sathya Moorthy, Pon. Balasubramanian, M and Ponnuswamy, M. N. Acta Cryst.,. F63, 887–889.

166)          Crystal structure determination of sheep (Ovis aries) methemoglobin at 2.7Ǻ resolution. (2007). Neelagandan, K. Sathya Moorthy, Pon. Balasubramanian, M and Ponnuswamy, M. N Acta Cryst.,. A64, C349.

167)          Crystal Structure of 1-Acetyl-2,6-bis(4-methoxyphenyl)-3-methyl-4-piperidone (2007). Kavitha, T. Ponnuswamy, S. Kaileshwaran, K. and Ponnuswamy, M. N.  Acta Cryst.,E63, o3648.

168)          Crystal Structure of 3-Ethyl-2,6-bis(4-methoxyphenyl)piperidin-4-one (2007). Kavitha,T.  Ponnuswamy, S. Mohanraj, V. Ilango, S. S. and Ponnuswamy, M. N.  Acta Cryst.,E63, o3985.

169)          Purification, crystallization and preliminary analysis of haemoglobin from rabbit (Oryctolagus cuniculus) (2008). Sundaresan, S. Charles, P.  Neelagandan, K. and              Ponnuswamy, M.N.  Protein and Peptide Letters. 15, 318.

170)          Crystal structure of 5,7-Bis(1-benzothiophen-2-yl)-2,3-dihydrothieno [3,4b][1,4] dioxine (2008). Sugumar, P. Ranjith, S. Arul Clement, J. Mohanakrishnan, A.K. and Ponnuswamy. M.N.  Acta Cryst.,. E64, o1049.

171)          Crystal structure of 4-(2,4-Dichlorophenyl)-2-(1H-indol-3-yl)-6-methoxypyridine -3,5-dicarbonitrile (2008). Ramesh, P.  Subbiahpandi, A. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E64, o1892.

172)          Crystal structure of 4-(4-Chlorophenylsulfanyl)-1-[(E)-2-(4-chlorophenylsulfanyl) -1-phenylethenyl]-3-phenyl-1H-pyrazole (2008). Ramesh, P. Subbiahpandi, A. Manikannan, R. Muthusubramanian, S. and  Ponnuswamy, M. N. Acta Cryst.,E64, o2054. 

173)          Crystal structure of 1-[(E)-2-Formyl-1-(4-methylphenyl)ethenyl]-3-(4-methylphenyl)pyrazole-4-carbaldehyde (2008). Ramesh, P. Subbiahpandi, A. Manikannan, R. Muthusubramanian, S. and  Ponnuswamy, M. N. Acta Cryst.,E64, o1889.

174)          Crystal structure of 1-(2,4-Dinitrophenyl)-3-(4-methylphenyl)-4-phenylsulfanyl-1H-pyrazole (2008).  Ramesh, P. Venkatesan, R. Manikannan, R. Muthusubramanian, S. and  Ponnuswamy, M. N. Acta Cryst.,E64, o2093.

175)          Crystal structure of 3-Cyclohexylsulfanyl-2-(4-methylphenyl)-5,7-dinitro-1H-indole (2008). Ramesh, P. Subbiahpandi, A. Manikannan, R. Muthusubramanian, S. and
Ponnuswamy, M. N. Acta Cryst.,E64, o1890. 

176)          Crystal structure of 4-(Cyclohexylsulfanyl)-1-[(E)-2-(cyclohexylsulfanyl)-1-phenylethenyl]-3-phenyl-1H-pyrazole (2008). Ramesh, P. Subbiahpandi, A. Manikannan, R. Muthusubramanian, S. and  Ponnuswamy, M. N. Acta Cryst.,E64, o2132.

177)          Crystal structure of 4-(2,4-Dichlorophenyl)-2-(1H-indol-3-yl)-6-(2-pyridyl)-1,4-dihydropyridine-4-carbonitrile (2008). Ramesh, P.  Subbiahpandi, A. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E64, o1891. 

178)          Crystal structure of (E)-3-(4-Methylphenyl)-3-[3-(4-methylphenyl)-1H-pyrazol-1-yl]-2-propenal (2008). Ramesh, P. Subbiahpandi, A. Manikannan, R. Muthusubramanian, S. and  Ponnuswamy, M. N. Acta Cryst.,E64, o2243.

179)          Crystal structure of Ethyl 4'-ethenyl-2'-oxo-4-phenyl-2-(3,4,5-trimethoxyphenyl) spiro[pyrrolidine-3,3'-indoline]-5-carboxylate monohydrate (2008). Sathyanarayanan, M.  Ramesh, P. Murugan, R. Narayanan, S. S. and  Ponnuswamy, M. N.Acta Cryst.,E64, o2052.

180)          Crystal structure of Methyl 2-benzyl-5-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-4-nitro-3-phenylpyrrolidine-2-carboxylate (2008). Sundaresan, S. Ramesh, P. Arumugam, N. Raghunathan, R. and Ponnuswamy. M. N.  Acta Crys. E64, o1993.

181)          Crystal structure of Ethyl 1-(4-chlorophenyl)-3-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-2-nitro-2,3,10,10a-tetrahydro-1H,5H-pyrrolo[1,2-b]isoquinoline-10a-carboxylate (2008). Sundaresan, S. Ramesh, P. Arumugam, N. Raghunathan, R. and Ponnuswamy. M. N.   Acta Cryst. E64, o2042.

182)          Crystal structure of N-Butylpyridine-4-thiocarboxamide (2008).  Kavitha, T. Revathi, C.  Hemalatha, M. Dayalan, A.  and  Ponnuswamy, M. N. Acta Cryst.,E64, o114.

183)          Crystal structure of 1-Chloroacetyl-3,3-dimethyl-2,6-diphenylpiperidin-4-one (2008). Kavitha, T.  Ponnuswamy, S. Jamesh, M. Umamaheshwari, J. and Ponnuswamy, M. N.  Acta Cryst.,E64, o2041. 

184)          Purification, crystallization and X-ray structure determination of cocosin from Cocos nucifera. (2008). Ponnuswamy, M.N.  Balasundaresan, D.  and Neelagandan, K. Acta. Cryst. A64, C350.

185)          Systematic study on crystal-contact engineering of diphthine synthase: influence of mutations at crystal-packing regions on X-ray diffraction quality (2008). Hisashi Mizutani, Saraboji, K.  Malathy Sony, S. M. Ponnuswamy, M. N.  Kumarevel, T. Krishna Swamy, B. S. Simanshu, D. K. Murthy, M. R. N.  and Naoki Kunishimaa, Acta Cryst.,. D64, 1020.

186)Crystal structure of Trimethyl 1-(2-methyl-1-phenylsulfonyl-1H-indol-3-yl) propane-1,2,3-tricarboxylate (2009).  Kavitha, T. Thenmozhi, M.  Sureshbabu,  Mohanakrishnan A. K. and Ponnuswamy M. N. Acta Cryst.,E65, o264. 

187)Crystal structure of 3-(4-Methoxybenzyl)-2-methyl-1-phenylsulfonyl-1H-indole (2009).  Kavitha, T. Thenmozhi, M. Dhayalan, V.   Mohanakrishnan, A. K.and Ponnuswamy M. N. Acta Cryst., E65, o847. 

188)          Purification, crystallization and preliminary crystallographic study of low oxygen affinity of haemoglobin from cat (Felis silvestris catus) in two different crystal forms (2009). Balasubramanian, M.  Sathya Moorthy, Pon. Neelagandan, K.  and Ponnuswamy. M.N.  Acta Cryst.,. F65, 313

189)          Purification, crystallization and preliminary X-ray diffraction studies on goat (Capra hircus) hemoglobin - a low oxygen affinity species (2009). Sathya Moorthy, Pon. Neelagandan, K. Balasubramanian, M.  and Ponnuswamy, M.N.  Protein & Peptide Letters, 16 (4), 454
190)          Preliminary Crystallographic study of hemoglobin from buffalo (Bubalus bubalis): A low oxygen affinity species. (2009). Balasubramanian, M. Sathya Moorthy, Pon. Neelagandan, K.  and Ponnuswamy, M.N. Protein & Peptide Letters, 16 (2), 213.

191)          Crystal structure of 1-Dichloroacetyl-3,3-dimethyl-2,6-diphenylpiperidin-4-one (2009).  Kavitha, T.  Ponnuswamy, S. Jamesh, M. Umamaheshwari, J. and Ponnuswamy, M. N.  Acta Cryst.,E65, o10.

192)          Crystal structure of 1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethylpiperidin-4-one (2009).  Thenmozhi, M. Ponnuswamy, S. Mohanraj, V. Vijayalakshmi, R. and  Ponnuswamy, M. N. Acta Cryst.,E65, o11.

193)          Crystal structure of Diethyl 2-[(2-benzyl-1-phenylsulfonyl-1H-indol-3-yl) methylene]malonate (2009).  Kavitha, T. Thenmozhi, M.   Dhayalan, V.  Mohanakrishnan A. K. and Ponnuswamy M. N. Acta Cryst.,E65, o12.

194)          New polyaza macrocyclic binucleating ligands and their binuclear copper (II) complexes: Electrochemical, catalytic and DNA cleavage studies (2009). Anbu, S.  Kandaswamy, M. Sathya Moorthy, Pon.  Balasubramanian, M. Ponnuswamy. M. N.  Polyhedron 28, 49-56.

195)          Purification, crystallization and preliminary X-ray diffraction studies on avian hemoglobin from pigeon (Columba livia) (2009). Sathya Moorthy, Pon. Neelagandan, K. Balasubramanian, M.  and Ponnuswamy, M.N. Acta F, F65, 120.

196)          Crystal structure of 2-(1H-indol-3-ylcarbonyl) acetonitrile (2009). Ramesh, P.  Subbiahpandi, A. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst., E65, o447.

197)          Crystal structure of. 4-(4-Bromophenyl)-6-(1H-indol-3-yl)-2,2'-bipyridine-5-carbonitrile. (2009). Ramesh, P.  Subbiahpandi, A. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E65, o450.

198)          rystal structure of  3'-Benzyloxy-3-hydroxy-3,3'-bi-1H-indole-2,2'(3H,3'H)-dione monohydrate (2009). Ramesh, P.  Sundaresan, S. S. Lakshmi, N. V. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E65, o994.

199)          Crystal structure of 4-(4-Chlorophenyl)-6-methoxy-2,2'-bipyridine-5-carbonitrile (2009). Ramesh, P.  Sundaresan, S. S. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E65, o995.

200)          Crystal structure of 4-(2,4-Dichlorophenyl)-6-(1H-indol-3-yl)-2,2'-bipyridine-5-carbonitrile  (2009). Ramesh, P.  Sundaresan, S. S. Thirumurugan, P. Perumal, P. T. and  Ponnuswamy, M. N. Acta Cryst.,E65, o996.

201)Crystal structure of Tert-Butyl 3-[2, 2-bis (ethoxycarbonyl) vinyl]-2-methyl-1H-indole-1-carboxylate. (2009).   Thenmozhi, M. Kavitha, T. Dhayalan, V.   Mohanakrishnan, A. K.and Ponnuswamy, M. N. Acta Cryst., E65, o825.

202)Crystal structure of 1-Formyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethylpiperidin-4-one. (2009).  Kavitha, T. Ponnuswamy, S. Sakthivel, P. Karthik K. and  Ponnuswamy, M. N.  Acta Cryst., E65, o856.

203)Crystal structure of (E)-Methyl 3-(2-methyl-1-phenylsulfonyl-1H-indol-3-yl) but-2-enoate (2009).  Kavitha, T.  Thenmozhi, M. Gobi Rajeshwaran, G. Mohanakrishnan, A. K.and Ponnuswamy, M. N. Acta Cryst.,E65, o431. 

204)          Ethyl 2-[N-(2-formylphenyl)benzenesulfonamido]acetate. (2009).  Ranjith, S,. Sugumar, P  Sureshbabu, R.  Mohanakrishnan, A. K.  and  Ponnuswamy. M. N. Acta Cryst. E65, o483

205)          5,7-Bis(1-benzothiophen-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine. (2008).  Sugumar, P.  Ranjith, S.  Clement, J. A.  Mohanakrishnan, A. K. and   Ponnuswamy. M. N. Acta Cryst. E64, o1049.

206)          Diethyl 2-[(5-methoxy-2-methyl-1-phenylsulfonyl-1H-indol-3-l)methylene]malonate. (2009). Kavitha, T. Thenmozhi, M. Dhayalan, V. Mohanakrishnan, A. K.  and Ponnuswamy, M. N.  Acta Cryst.   E65, o1418.

207)          r-2,c-6-Bis(4-methoxyphenyl)-c-3,t-3-dimethyl-1-nitrosopiperidin-4-one.(2009) Kavitha,  T. Ponnuswamy, S. Sakthivel, P. Karthik, K. and Ponnuswamy, M. N. Acta Cryst.  E65, o1420.

208)          1-Benzoyl- c-3, t-3-dimethyl- r-2, c-6-diphenylpiperidin-4-one. (2009).  Aravindhan, S. Ponnuswamy, S. Umamaheswari, J. Ramesh P. and Ponnuswamy M. N. Acta Cryst. E65, o1975.

209)          1-Acetyl- c-3, t-3-dimethyl- r-2, c-6-diphenylpiperidin-4-one. (2009). Aravindhan, S. Ponnuswamy, S. Jamesh, M. Ramesh, P. and Ponnuswamy, M. N. Acta Cryst. E65, o1974.

210)          1’-Methyl-2,2’’-dioxoindoline-3-spiro-2’-pyrrolidine-3’-spiro-3’’-indoline-4’,4’-dicarbonitrile. (2009). Ramesh, P. Sundaresan, S. S. Vidhya Lakshmi, N. Perumal, P. T. and Ponnuswamy, M. N. Acta Cryst. E65, o1945

211)          5-Chloroacetyl-4-methyl-2,3,4,5-tetrahydro-1H-1,5- benzodiazepin-2-one (2009). Ravichandran, K. Sakthivel P. Ponnuswamy S. Ramesh P. and Ponnuswamy M. N. Acta Cryst. E65, o2361.

212)          4-Methyl-2-oxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-5-Carbaldehyde. (2009). Ravichandran, K., Sakthivel, P., Ponnuswamy, S., Ramesh P. and Ponnuswamy  M. N. Acta Cryst. E65, o2362.

213)          2,2,4-Trimethyl-5-(4-tolylsulfonyl)-2,3,4,5-tetrahydro-1H-1,5- benzodiazepine. (2009). Ravichandran, K. Sathiyaraj, K. Ilango S. S.       Ponnuswamy S. and Ponnuswamy M. N. Acta Cryst. E65, o2363–o2364.

214)          (Benzylamine)chloridobis(ethane-1,2-diamine)cobalt(III) dichloride hemihydrate (2009). Ravichandran, K. Ramesh, P. Tamilselvan M. Anbalagan K. and            Ponnuswamy M. N. Acta Cryst. E65, m1174–m1175.

215)          5-Dichloroacetyl-4-methyl-2,3,4,5-tetrahydro-1H-1,5- benzodiazepin-2-one Hemihydrate.  (2009). Ravichandran, K. Sakthivel, P.  Ponnuswamy, S. Shalini M. and Ponnuswamy M. N. Acta Cryst. E65, o2551–o2552.

216)          Chloridobis(ethane-1,2-diamine)(4-methylaniline) cobalt(III) dichloride monohydrate. (2009). Ravichandran, K. Ramesh, P. Maharaja Mahalakshmi, C. Anbalagan K. and Ponnuswamy M. N. Acta Cryst. E65, m1458–m1459.

217)          3-(4-Chlorophenyl)-1- [ ( E)- 1-(4-chlorophenyl)-2-(4-methylphenylsulfanyl) ethenyl]-4-(4-methylphenylsulfanyl)-1Hpyrazole. (2009). Ramesh, P. Manikannan, R. Muthusubramanian, S. Sundaresan S. S. and Ponnuswamy M. N. Acta Cryst. E65, o2881–o2882.

218)          1-Chloroacetyl- r-2, c-6-bis(4-methoxyphenyl)- t-3-methylpiperidin-4-one. (2009). Ravichandran, K., Ramesh, P. Sakthivel, P. Ponnuswamy, S. and Ponnuswamy M. N. Acta Cryst., E65, o2883.

219)          c-3, t-3-Dimethyl- r-2, c-7-diphenyl-1,4-diazepan-5-one. (2009). Ravichandran, K. Ramesh, P. Sethuvasan, S. Ponnuswamy S. and Ponnuswamy M. N. Acta Cryst.,, E65, o2884.

220)          t-3-Ethyl- r-2, c-7-bis(4-methoxyphenyl)-1,4-diazepan-5-one. (2009). Ravichandran, K. Ramesh, P. Sethuvasan, S. Ponnuswamy S. and Ponnuswamy M. N. Acta Cryst., E65, o2885–o2886

221)          t-3-Ethyl-r-2,c-6-bis(4-methoxyphenyl)-1-nitrosopiperidin-4-one. (2009). Kavitha, T. Thenmozhi, M. Ponnuswamy, S. Sakthivel, P. and  Ponnuswamy. M. N. Acta Cryst.,, E65, o1765.  

222)          1-Formyl-r-2,c-6-bis(4-methoxyphenyl)-t-3,t-5-dimethylpiperidin-4-one. (2009)  Kavitha, T.  Sakthivel, P.  Ponnuswamy, S.  Ilango, S. S. &  Ponnuswamy, M. N. Acta Cryst.,,  E65, o2818.

223)          Methyl4-(3-ethoxy-4-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro pyrimidine-5-carboxylate monohydrate. (2009). Thenmozhi, M.  Kavitha, T. Satyanarayana, V. S. V. Vijayakumar, V. & Ponnuswamy, M. N. Acta Cryst.,, E65, o1921-o1922. 

224)          1-Chloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-c-3,t-3-dimethyl piperidin-4-one . (2009). Thenmozhi, M. Kavitha, T. Mohanraj, V. Ponnuswamy S. &  Ponnuswamy, M. N.  Acta Cryst.,, E65, o2793. 

225)          c-3, t-3-Dimethyl-r-2, c-6-diphenylpiperidin-4-one (2009). Thenmozhi, M.  Ponnuswamy, S. Umamaheshwari, J. Jamesh, M. & Ponnuswamy, M. N. Acta Cryst.,, E65, o2794. 

226)          1,1'-[4-(4-Methoxyphenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-diyl] diethanone (2009). Thenmozhi, M. Kavitha, T. Reddy, B. P. Vijayakumar, V. &  Ponnuswamy, M. N. Acta Cryst.,, E65, o2795. 

227)          tert-Butyl 3-[2,2-bis (ethoxycarbonyl)vinyl]-2-bromomethyl-1H-indole-1-                             carboxylate (2009). Thenmozhi, M. Kavitha, T. Dhayalan, V. Mohanakrishnan, A. K.  &  Ponnuswamy. M. N. Acta Cryst.,, E65, o2796. 

228)          c-3,t-3-Dimethyl-4-oxo-r-2, c-6-diphenylpiperidine- 1-carboxamide. (2009).  Thenmozhi, M.  Kavitha, T. Ponnuswamy, S.  Jamesh, M. & Ponnuswamy, M. N. Acta Cryst.,, E65, o2808. 

229)          1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-t-3-methylpiperidin-4-one.
K. Ravichandran, P. Ramesh, P. Sakthivel, S. Ponnuswamy & M. N. Ponnuswamy (2010).  Acta Cryst.,, E66, o262.

230)          1-Dichloroacetyl-r-2,c-6-bis(4-methoxyphenyl)-t-3,t-5-dimethylpiperidin-4-one.
K. Ravichandran, P. Ramesh, C. Neeladevi, S. Ponnuswamy & M. N. Ponnuswamy (2010). Acta Cryst.,, E66, o263. 

231)          1-Acetyl-t-3-ethyl-r-2,c-6-bis(4-methoxyphenyl)piperidin-4-one. K. Ravichandran,
S. Ponnuswamy, R. Rajesh, V. Mohanraj & M. N. Ponnuswamy (2010).
Acta Cryst.,, E66, o275.

232)          1-Chloroacetyl-3-isopropyl-r-2,c-6-diphenylpiperidin-4-one. K. Ravichandran,
P. Ramesh, P. Jeganathan, S. Ponnuswamy & M. N. Ponnuswamy (2010).
Acta Cryst.,, E66, o276-o277.

233)          (E)-3-(4-Bromophenyl)-3-[3-(4-bromophenyl)-1H-pyrazol-1-yl]prop-2-enal.
P. Ramesh, R. Manikannan, S. Muthusubramanian, K. Ravichandran &
M. N. Ponnuswamy (2010). Acta Cryst.,, E66, o279.

234)           (E)-N-Benzylidene-4H-1,2,4-triazol-4-amine. M. Thenmozhi, T. Kavitha, B. P. Reddy, V. Vijayakumar & M. N. Ponnuswamy (2010).  Acta Cryst.,, E66, o558.

235)          Ethyl 2-nitro-3-[4-oxo-3-phenyl-1-(4-methoxyphenyl)azetidin-2-yl]-1-phenyl-2,3,10, 10a-tetrahydro-1H,5H-pyrrolo[1,2-b]isoquinoline-10a-carboxylate. S. S. Sundaresan, P. Ramesh, N. Arumugam, R. Raghunathan & M. N. Ponnuswamy (2010). Acta Cryst.,, E66, o646.

236)          Cyclohexane-1-spiro-2'-imidazolidine-5'-spiro-1''-cyclohexan-4'-one (2010). T. Kavitha, S. Ponnuswamy, R. Vijayalakshmi, M. Thenmozhi & M. N. Ponnuswamy. Acta Cryst.,, E66, o1072.

237)          4-tert-Butylpyridinium picrate(2010).P. Ramesh, R. Akalya, A. Chandramohan & M. N. Ponnuswamy. Acta Cryst.,, E66, o999.

238)          1-{[(Cyclohexyloxy)carbonyl]oxy}ethyl 3-{[2'-(2-ethyl-2H-tetrazol-5-yl)biphenyl-4-yl]methyl}-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate(2010).  A. Mohan, P. Ramesh, D. Saravanan & M. N. Ponnuswamy. Acta Cryst.,, E66, o998.

239)          4-Hydroxy-3-(1'-methyl-2-oxo-4'-phenylspiro[indoline-3,2'-pyrrolidine]-3'-ylcarbonyl)quinolin-2(1H)-one(2010).. K. Revathi, M. Sankaran, P. Ramesh, P. S. Mohan & M. N. Ponnuswamy. Acta Cryst.,, E66, o952.

240)          8,9-Dimethoxy-5-phenylsulfonyl-5H-benzo[b]carbazole(2010). T. Kavitha, M. Thenmozhi, V. Dhayalan, A. K. Mohanakrishnan & M. N. Ponnuswamy. Acta Cryst.,, E66, o1071.

241)          4-Aminopyridinium picrate(2010). P. Ramesh, R. Akalya, A. Chandramohan & M. N. Ponnuswamy. Acta Cryst.,, E66, o1000.

242)          8- Methoxy-3,3,5-trimethyl-3,11-dihydropyrano[3,2-a]carbazole (2010).C. Uvarani, P. Ramesh, K. Ravichandran, P. S. Mohan & M. N. Ponnuswamy. Acta Cryst. E66, o1581.

243)          1-Formyl-t-3,t-5-dimethyl-r-2,c-6-diphenylpiperidin-4-one (2010). K. Ravichandran, P. Ramesh, P. Sakthivel, S. Ponnuswamy & M. N. Ponnuswamy. Acta Cryst. E66, o1505.

244) 1-Chloroacetyl-2,6-bis(2-chlorophenyl)-3,5-dimethylpiperidin-4-one oxime (2010).
 K. Ravichandran, P. Ramesh, M. Rani, S. Kabilan & M. N. Ponnuswamy. Acta Cryst. E66, o1506.

245)          Purification, crystallization and preliminary X-ray analysis of haemoglobin from ostrich (Struthio camelus). (2009). S. S. Sundaresan, P. Ramesh, K. Sivakumar & M. N. Ponnuswamy. Acta Cryst. F65, 681-683. 

246)          8-Methoxy-3,3,5-trimethyl-3,11-dihydropyrano[3,2-a]carbazole (2010).  C. Uvarani, P. Ramesh, K. Ravichandran, P. S. Mohan & M. N. Ponnuswamy. Acta Cryst. E66, o1581. 

247)          Benzamide-picric acid (1/1) (2010).   M. S. Sivaramkumar, R. Velmurugan, M. Sekar, P. Ramesh & M. N. Ponnuswamy.  Acta Cryst. E66, o1820.

248)          2-Aminopyridinium picrate  (2010). M. S. Sivaramkumar, R. Velmurugan, M. Sekar, P. Ramesh & M. N. Ponnuswamy. Acta Cryst. E66, o1821. 

249)      One-pot multicomponent synthesis and anti-microbial evaluation of 2’-(indol-3-yl)-2-oxospiro(indoline-3,4’-pyran) derivatives (2010). A. Nandakumar, Prakasam Thirumurugan, Paramasivan T. Perumal, P. Vembu, M. N. Ponnuswamy, P. Ramesh.  Bioorganic & Medicinal Chemistry Letters. 20,  4252–4258.
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