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Journal Publications

  1. Self-reducing asymmetric polymer membrane for in situ formation and containment of noble metal nanocatalysts. Sankararao Chappa, Rakesh N. Shinde, Ashok K. Pandey,  Green Chem. 2015, 17(8), 4157–4161.

  2. Egg-shell membrane mimicking synthetic polymer membrane supported palladium nanoparticles for catalyzing reduction of Uranyl (VI) ions. Sankararao Chappa, Amol Mhatre, V. C. Adya and Ashok K. Pandey.  Appl. Catal. B Environ. 2017, 203, 53-64.

  3. Palladium nanoparticles hosted on hydrazine grafted magnetite and silica particles for catalyzing the reduction of oxymetal ions with formic acid.  Komal C. Shrivastava, Sankararao Chappa, ArjitSengupta, Amit P. Srivastava, Ashok K. Pandey, and K.L. Ramakumar. ChemCatChem 2016, 8 (18), 2981-2987.

  4. Change in the affinity of Ethylene Glycol     methacrylate phosphate monomer and its polymer anchored on grapheme oxide platform toward U(VI) and Pu(IV) Ions. Sankararao Chappa, Ashish K. Singha Deb,  A.K. Debnath,  D.K. Aswal, Sk. Musharaf Ali, and Ashok K. Pandey.  J. Phys. Chem. B, 2016, 120, 2942-2950.

  5. Spacing and synergistic effects of co-monomer in polymer chain on affinity of ethylene glycol methacrylate phosphate toward Uo22+ and Pu4+ Ions. Sankararao Chappa, Sadananda Das, Manjulatha Sahu, Manoj K. Saxena and Ashok K. Pandey. Ind. Eng. Chem. Res., 2016, 55, 8992-9002.

  6. Dual-function grafted electrospun polymer nanofibers scaffold hosted palladium nanoparticles for catalyzing the organic and inorganic redox reactions. Sankararao Chappa, Bharath R. Sundar Ram, Charlie Oommen and Ashok K. Pandey. Macromol .Chem. Phys., 2017, 218, 1600555.

  7. Micro-fibre based porous composite propellants with high regression rates. R. A. Chandru, Sankararao. Chappa, R. S. Bharath, C. Oommen, and B. N. Raghunandan. Def. Sci. J., 2017, 67(3), 240-244.

  8. Actinide selective extractants anchored on superparamagnetic magnetite nano particles for analytical applications. Shashikala Ojha, Sankararao Chappa, Amol M. Mhatre, Vivek Chavan, Krishan K. Singh and Ashok K Pandey. J. Radioanal. Nucl. chem., 2017, 312, 675-683.

  9. Thin film of poly( bis[2-(methacryloyloxy)ethyl] phosphate) grafted  on surface of poly(ether sulfone) membrane for plutonium(IV)-selective alpha tracks registration in CR-39 detector. Amol M Mhatre, Sankararao Chappa, Vivek Chavan and Ashok K Pandey. J. Radioanal. Nucl. chem., 2017, 314, 187-196.

  10. Phosphate bearing polymer grafted glass for Plutonium(IV) ions selective alpha spectrometry. Amol M. Mhatre, Sankararao Chappa, Sumana Paul and Ashok K. Pandey. J. Anal. At. Spectrom., 2017, 32, 1566.

  11. Palladium nanoparticles hosted in poly(ethylenimine) and poly(ethylene glycol methacrylate phosphate) anchored membranes for catalyzing uranyl ions reduction and mizoroki-heck coupling reaction. Sankararao Chappa, Prakash B. Rathod.,   Anil K. Debnath,  Debasis Sen   and Ashok K. Pandey. ACS Appl. Nano Mater., 2018, 1, 3259−3268.

  12. Pd2+-loaded Magnetic Nanoassembly Formed by Magnetite Nanoparticles Crosslinked with Poly(acrylic acid) via Amide Bonds for Catalyzing Mizoroki-Heck Coupling Reaction. Prakash B. Rathod, K.S. Ajish Kumar, Sankararao Chappa, Anil K. Debnath, Ashok K. Pandey, Anjali A. Athawale. ChemistrySelect., Accepted in Press. DOI: 10.1002/slct.201801682.

  13. Supported liquid membrane based loading technique for thermal ionization mass spectrometry: an application to plutonium isotopic composition and concentration determination. Raju V. Shah, Sankararao Chappa, S. Jagadish Kumar, Amol M. Mhatre, Srikant Sahoo, Radhika M. Rao, P. G. Jaison, Ashok K. Pandey. J. Radioanal. Nucl. chem., Accepted in Press. https://doi.org/10.1007/s10967-018-5996-9.

  14. Determinion of Thorium and Uranium in Nickel-based Alloys by ICP-MS After Matrix Separation Using a Novel Co-polymer of Ethylene Glycol Methacrylate and Bis[2-methacryloyloxy)ethyl] Phosphate. M.V. Balarama Krishna, Sankararao Chappa, K. Chandrasekaran, D. Karunasagar, and Ashok K. Pandey. Atomic Spectroscopy., 2018, 39(4).

  15. Phosphate functionalized radiation grafted Teflon for capturing and quantifications of U (VI) and Pu (IV) ions at ultra-trace concentration in aqueous samples. Amol M Mhatre, Sankararao Chappa, CV Chaudhari, YK Bhardwaj, Ashok K Pandey.  J. Radioanal. Nucl. chem., 2018, 317(2), 1141–1149

PUBLICATIONS

Conference and Symposia 

  • Selectivity enhancement of phosphate based functional polymeric gels towards Uranium(VI) using ion imprinting. Sankararao Chappa, Chhavi Agarwal and A.K. Pandey. DAE-BRNS  Nuclear and Radiochemistry Symposium (NUCAR 2011) held  at  Mumbai, India during February 22-26, 2015.

  • Influence of proportion of phosphate monomer to spacer unit in polymer chain on its selectivity towards actinides. Sankararao Chappa, Chhavi Agarwal, A.K. Pandey, A. Goswami “The 5thInter disciplinary symposium on material chemistry” conducted by Bhabha Atomic Research Centre 9 -12th   Dec 2014.

  • Phosphate Functionalized Graphene Oxide for Selective Preconcentration of Pu(IV). Sankararao. Chappa and A. K. Pandey. ‘Symposium on Curent trends in Analytical chemistry’ conducted by Bhabha Atomic Research Centre, May-2015.

  • Nano catalyst in synthetic polymer membranes for redox applications. Sankararao Chappa and Ashok K. Pandey. ‘ International conference on Recent Advances in Analytical Science’ organized by Department of Chemistry, Indian Institute of Technology (IIT,BHU), April 7-9, 2016.

  • Covelently attached Ethylene glycol methacrylate phosphate bearing monomer and its polymer on Fe3O4 towards actinides sorption. Sankararao chappa and Ashok K. Pandey. “ Nuclear and Radiochemistry Symposium NUCAR(2017) ” held at Kalinga Institute of Industrial technology KIIT, Bhubaneswar, Odisha, India, during 06-10th February, 2017.

  • Synthesis of high density tertiary Ammonium groups grafted asymmetric polymer membrane for acid recovery from nuclear raffinate. Sankararao chappa, Amol Mhatre and Ashok K. pandey “ Engineering with Membranes : Recent advances in membrane science and technology (EWM-2017)” held at Intercontinental, Singapore during 26-28th April 2017. 

  • Ag Nanoparticles Embedded Glass Fiber Membrane for Capturing Radioiodine. Sankararao Chappa, Shashikala Ojha, Amol M. Mhatre and A K. Pandey. “Recent Trends on Membranes and Separation Technology (RTMST-2017)” held at CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar during 22-23rd November 2017.

  • Poly (ethylene glycol methacrylate phosphate) anchored Fe3O4 nanoparticles as a multipurpose material. Sankararao Chappa, Prakash Rathod and Ashok K Pandey “International Conference on Nanotechnology: Ideas, Innovations and Initiatives (ICN: 3I-2017)” held at IIT Roorkee during 06-08th December 2017.

  • Presented “Functionalized polymeric materials supported noble metal nanoparticls for catalyzing inorganic and organic redox reactions.” S. Chappa and A.K. Pandey, At 30th research scholars meet, by Indian chemical society (Mumbai branch) in association with Department of chemistry,Jai Hid college, Mumbai during 9-10, February 2018, 39.

Homi Bhabha National Institute

Anushaktinagar, Mumbau, India-400094

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