Pushpan, S. K Use and abuse of antibacterial drugs  (2015) Vetri Education, Quarterly Journal (ISSN-0973-8614), Vol. 10 (4), 7 – 13.

Bernhardt, G; Brunner, H; Gruber, N; Lottner, C; Pushpan, S. K.; Tsuno, T and Zabel, M. Carboplatin derivatives with superior antitumor activity compared to the parent compound, Inorganica Chimica Acta (2004), 357 (15), 4452- 4466. https://www.sciencedirect.com/science/article/pii/S0020169304003639

Parameswaran, D.; Pushpan, S.K.; Srinivasan, A.; Kumar, M.R. and Chandrashekar, T.K. and Ganesan, S. In vitro and In vivo investigations on the photodynamic activity of core-modified expanded porphyrin-Ammonium salt of 5, 10, 15, 20- tetrakis (meso-p-sulfonatophenyl)-25, 27, 29-Trithia Sapphyrin, Photochem. Photobiol. (2003), 78, 487-495. https://onlinelibrary.wiley.com/doi/10.1562/0031-8655(2003)0780487I

Anand, V.G.; Pushpan, S.K.; Venkatraman, S.; and Chandrashekar, T.K. Heptaphyrins: Expanded Porphyrins with seven heterocyclic rings, Proc. Indian Acad. Sci. (Chem. Sci). (2003), 115, 4, 711-720. https://www.ias.ac.in/chemsci/Pdf-OctDec2003/Pc3356.pdf

Pushpan, S.K.; Venkatraman, S.; Anand, V.G.; Sankar, J.; Rath H. and Chandrashekar, T.K. Inverted Porphyrins and Expanded Porphyrins: An Overview, Proc. Indian Acad. Sci. (Chem. Sci). (2002), 114, 4, 311-338. https://www.ias.ac.in/chemsci/Pdf-Aug2002/Pc3194.pdf

Pushpan, S.K. and Chandrashekar, T.K. Aromatic core-modified expanded porphyrinoids with meso-aryl substituents, Pure Appl. Chem. (2002), 74, 2045-2055 . (A collection of  invited, peer-reviewed articles by  the winners of 2002 IUPAC  Prize for Young Chemists

https://pac.iupac.org/publications/pac 2002pdf 

Featured in Chemistry International Vol 25, No.6, Nov-Dec 2003

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Featured in Science & Technology Section of Chemistry and Engineering News (C & EN) Sep 15, 2003 , 22-24.

Pushpan, S.K.; Venkatraman, S.; Anand, V.G.; Sankar, J.; Parmeswaran, D.; Ganesan, S. and Chandrashekar, T.K. Porphyrins in Photodynamic Therapy – A search for ideal Photosensitizers, Current Medicinal Chemistry-Anti Cancer Agents. (2002), 2, 187-207. (Invited review) https://www.ingentaconnect.com/content/ben/cmcaca/2002/art00002

Anand, V.G.; Pushpan, S.K.; S. Venkatraman, Narayanan, S.J.; Dey, A.; Chandrashekar T.K; Roy, R.; Joshi, B.S.; Deepa S. and Sastry, G.N. 30p Aromatic meso-substituted Heptaphyrin Isomers: Syntheses, Characterization and Spectroscopic studies, J. Org. Chem. (2002), 67, 6309-6319. https://pubs.acs.org/doi/pdf/10.1021/jo025788d

Venkatraman, S.; Anand, V. G.; Pushpan, S.K.; Sankar J. and. Chandrashekar, T.K. Core modified Oxybenziporphyrins: New aromatic ligands for Metal-Carbon bond generation, Chem. Commun. (2002), 462-463. https://pubs.rsc.org/en/content/2002/cc/b11115h

Joshi, B.S.; Anand, V.G.; Pushpan, S.K.; Srinivasan, A. Chandrashekar, T.K. and Roy, R. Dynamic behaviour and strategy for the complete 1H and 13C assignments for meso-aryl expanded heptaphyrins, J. Porphyrins and Phthalocyanins (2002), 6, 410-422 https://www.worldscientific.com/doi/pdf/10.1142/S1088424602000518

Anand, V.G.; Pushpan, S.K.; Venkatraman, S.; Dey, A.; Chandrashekar, T. K.; Joshi, B.S.; Roy, R.; Teng, W. and Senge, K. R. 34 π Octaphyrin: First structural characterization of a planar, aromatic [1.0.1.0.1.0.1.0] Octaphyrin with inverted heterocyclic rings, J. Am. Chem. Soc. (2001), 123, 8620-8621. https://pubs.acs.org/doi/pdf/10.1021/ja011265w

(Selected Publication as Editors Choice in Science (2001), 293, 1405 in Chemistry Section ‘Aromaticity goes flat’). Science 01/2001; 293(5534). DOI:10.1126/science.293.5534.1405a

Pushpan, S.K.; Srinivasan, A.; Anand, V.G.; Venkatramam, S.; Chandrashekar, T.K.; Joshi, B.S.; Roy, R. and Furuta, H. N-confused Expanded Porphyrin: First Example of a Modified Sapphyrin with an Inverted N-confused Pyrrole ring, J. Am. Chem. Soc. (2001), 123, 5138-5139. https://pubs.acs.org/doi/pdf/10.1021/ja010673x

Pushpan, S.K.; Anand, V.G.; Venkatraman. S.; Srinivasan, A.; Gupta, A.K. and Chandrashekar, T.K. Characterization of a new meso-aryl rubyrin isomer: [26]hexaphyrin(1.1.1.0.1.0) with an inverted heterocyclic ring, Tetrahedron Lett. (2001), 42, 3391-3394. https://www.sciencedirect.com/science/article/pii/S0040403901004518

Pushpan, S.K.; Srinivasan, A.; Anand, V.G.; Chandrashekar, T.K.; Subramanian, A.; Roy, R.; Sugiura, K.-I. and Sakata,Y. Inverted meso-aryl Porphyrins with Heteroatoms; Characterization of Thia, Selena and Oxa N-Confused Porphyrins, J. Org. Chem. (2001), 66, 153-161. https://pubs.acs.org/doi/pdf/10.1021/jo001209y

Anand, V.G.; Pushpan, S.K.; Srinivasan, A.; Jeyaparakash Narayanan, S.; Sridevi, B.; Chandrashekar, T.K; Joshi, B.S. and Roy, R. meso-Aryl Heptaphyrins: The First 30p Aromatic Expanded Porphyrins with an Inverted Structure, Org. Lett. (2000), 2, 3829-3832. https://pubs.acs.org/doi/pdf/10.1021/ol000251c

Srinivasan, A.; Anand, V.G.; Pushpan, S.K.; Chandrashekar, T.K. Core Modified meso-Aryl Sapphyrins and Rubyrins: Structural and Anion Receptor Properties, Sugiura, K.-I. and Sakata, Y. J. Chem. Soc., Perkin Trans. 2, (2000), 1788-1793.  https://pubs.rsc.org/en/content/2000//p2/b004687f

Srinivasan, A.; Anand, V.G.; Jeyaparakash Narayanan, S.; Pushpan, S.K.; Chandrashekar, T.K.; Sugiura, K. –I. and Sakata, Y. Structural Characterization of Meso Aryl Sapphyrins, J. Org. Chem. (1999), 64, 8693-8697. https://pubs.acs.org/doi/pdf/10.1021/jo990729u

Srinivasan, A.; Pushpan, S. K.; Kumar, M. R.; Chandrashekar, T. K.* and Roy, R. Novel Heteroatom containing Rubyrins, Tetrahedron (1999), 55, 6671-6680.  https://www.sciencedirect.com/science/article/pii/S0040402099003130

Srinivasan, A.; Pushpan, S.K.; Kumar, M. R.; Mahajan, S.; Chandrashekar, T. K. Roy, R. and Ramamurthy, P. meso-Aryl Sapphyrins with Heteroatoms, Synthesis, Characterization, Spectral and Electrochemical Properties, J. Chem. Soc., Perkin Trans. 2, (1999), 961-968. https://pubs.rsc.org/en/1999/p2/a900137

Pushpan, S.K.; Jeyaparakash Narayanan, S.; Srinivasan, A.; Mahajan, S.; Chandrashekar, T.K., Roy, R. One pot Synthesis of Core Modified Expanded Porphyrins, Tetrahedron Lett. (1998), 39, 9249- 9252. https://www.sciencedirect.com/science/article/pii/S0040403998020772

Srinivasan, A.; Mahajan, S.; Pushpan, S.K.; Kumar, M.R. and Chandrashekar, T. K. Synthesis of meso-Substituted Core Modified Expanded Porphyrins; Effect of Acid Catalysts on the Cyclization, Tetrahedron Lett. (1998), 39, 1961-1964. https://www.sciencedirect.com/science/article/pii/S00404039980010

Srinivasan, A.; Kumar, M. R. R. P. Pandian, S. Mahajan, Pushpan, S.K. ; Sridevi, B.; Narayanan S.J. and Chandrashekar, T.K. Ground and Excited state Dynamics of Core-Modified Normal and Expanded Porphyrins, J. Porphyrins and Phthalocanines, (1998), 2, 305-314. https://www.worldscientific.com/doi/pdf/10.1002/jpp 

Srinivasan, A.; Reddy, M.V.R.; Narayanan, S.J.; Sridevi, B.; Pushpan, S.K.; Kumar, M.R. and Chandrashekar, T. K. Tetrathia- and Tetraoxarubyrins: Aromatic, Core-Modified, Expanded Porphyrins, Angew. Chem., Int. Ed. in Engl. (1997), 36, 2598-2601. (Also published as Tetrathia und Tetraoxarubyrine: aromatische, Gerüst modifizierte expandierte Porphyrine Angewandte Chemie, (1997), 109, 2710-2713). https://onlinelibrary.wiley.com/doi/10.1002/anie.199725981