Publications

  1. Rahul Ramamurti, Ram Prasad Gandhiraman, Arlene Lopez, Pranay Doshi, Dennis Nordlund, Beomseok Kim, M Meyyappan. Atmospheric Pressure Plasma Printing of Nanomaterials for IoT Applications. IEEE Open Journal of Nanotechnology. 2020, 1, 47-56.

  2. Dong-Il Moon, Andrew Rukhin, Ram Prasad Gandhiraman, Beomseok Kim, Sunjin Kim, Myeong-Lok Seol, Kyung Jean Yoon, Dongil Lee, Jessica Koehne, Jin-Woo Han, M Meyyappan. Physically unclonable function by an all-printed carbon nanotube network. ACS Applied Electronic Materials. 2019, 1 (17) 1162-1168

  3. Avishek Dey, Arlene Lopez, Gregor Filipič, Aditya Jayan, Dennis Nordlund, Jessica Koehne, Satheesh Krishnamurthy, Ram Prasad Gandhiraman, M Meyyappan.Journal of Vacuum Science & Technology B. 2019, 37 (3) 031203.

  4. A. Dey, S. Krishnamurthy, J. Bowen, D. Nordlund, M. Meyyappan, Ram Prasad Gandhiraman. Plasma Jet Printing and in situ Reduction of Highly Acidic Graphene Oxide. ACS Nano, 2018 DOI: 10.1021/acsnano.8b00903

  5. Jaione Romero-Mangado, Avishek Dey, Diana C Diaz-Cartagena, Nadja E Solis-Marcano, Marjorie López-Nieves, Vilynette Santiago-García, Dennis Nordlund, Satheesh Krishnamurthy, M Meyyappan, Jessica E Koehne, Ram P Gandhiraman*. J. Vac. Sci. Technol 2017, 35, 041101

  6. Jaione Romero-Mangado, Felipe Soberon, Sami Sainio, Dennis Nordlund, Ian T. Saunders, Gurusharan Singh, Graham Deane, Kevin Maughan, Stephen Daniels, David Loftus, M. Meyyappan, Jessica Koehne, Ram P. Gandhiraman*. Morphological and Chemical Changes of Aerosolized E.coli treated with a Dielectric Barrier Discharge. Biointerphases 2016, 11, 011009.

  7. Ram P. Gandhiraman, Eric Singh, Diana C Diaz-Cartagena, Dennis Nordlund, Jessica Koehne, M. Meyyappan. Plasma Jet Printing for Flexible Substrates. Applied Physics Letters 2016, 108, 123103.

  8. Dey, A. Chroneos, N. St. J. Braithwaite, Ram P. Gandhiraman and S. Krishnamurthy. Plasma Engineering of Graphene. Appl. Phys. Rev. 2016, 3, 021301.

  9. S. Sainio, D. Nordlund, M. A. Caro, R. Gandhiraman, J. Koehne, N. Wester, J. Koskinen, M. Meyyappan and T. Laurila. Correlation between sp3-to-sp2 Ratio and Surface Oxygen Functionalities in Tetrahedral Amorphous Carbon (ta-C) Thin Film Electrodes and Implications of Their Electrochemical Properties. J. Phys. Chem. C 2016, 120 (15), 8298.

  10. S. Sainio, D. Nordlund, R. Gandhiraman, H. Jiang, J. Koehne, J. Koskinen, M. Meyyappan, and T. Laurila. What nitric acid really does to carbon nanofibers? J. Phys. Chem. C, 2016, 120 (39), 22655

  11. Ram P. Gandhiraman*, Vivek Jayan, Jin-Woo Han, Bin Chen, Jessica Koehne and M. Meyyappan. Plasma Jet Printing of Electronic Materials on Flexible and Non-Conformal Objects. ACS Appl Mater Interfaces. 2014, 6, 20860.

  12. Ram P. Gandhiraman, Dennis Nordlund, Vivek Jayan, M. Meyyappan, Jessica E. Koehne. Scalable Low Cost Fabrication of Disposable Paper Sensors for DNA Detection. ACS Appl Mater Interfaces. 2014, 6, 22751.

  13. Ram P. Gandhiraman*, Dennis Nordlund, Cristina Javier, Jessica E. Koehne, Bin Chen, M. Meyyappan. X‑ray Absorption Study of Graphene Oxide and Transition Metal Oxide Nanocomposites. J. Phys. Chem. C 2014, 118, 18706−18712

  14. Ram P. Gandhiraman, Gowri Manickam, Laura Kerr, Chandra K Dixit, Colin Doyle, David E Williams, Stephen Daniels. Plasma-Fabricated Surface Plasmon Resonance Chip for Biosensing. Aust. J.Chem. 2015, 68, 447-452 (Cover page article)

  15. Periyakaruppan A, Gandhiraman R.P, Meyyappan M and Koehne J.E. Label-free detection of cardiac troponin-I using carbon nanofiber based nanoelectrode arrays. Anal. Chem. 2013 85(8), 3858.

  16. Shibsekhar Roy, Chandra K. Dixit, Ramprasad Gandhiraman, Una Prendergast, Stephen Daniels, Richard O'Kennedy, Colette McDonagh. Protein Integrated, Functionally Active Silver Nano-Planar Structures for Enhanced SPR. Accepted J. Phys. Chem C 2013 117(6), 3078

  17. Vladimir Gubala, Jonathan Siegrist, Ruairi Monaghan, Brian O' Reilly, Ram P. Gandhiraman, Stephen Daniels, David E. Williams, Jens Ducree. ”Simple approach to study biomolecule adsorption in polymeric microfluidic channels”. Anal. Chim. Acta. 2013, 760, 75

  18. Niall O Connor$, Ram P Gandhiraman$*, Colin Doyle, Bryony James, Brian D MacCraith, David E Williams, Stephen Daniels. High throughput room temperature patterning of plasmonic metal nanostructures. Room temperature deposition of tunable plasmonic nanostructures by atmospheric pressure jet plasma. J. Mater. Chem. 2012, 22, 9485-9489 (*Corresponding author and $Equal contribution)

  19. Asif Riaz, Ram P. Gandhiraman , Ivan K. Dimov, Lourdes Basabe-Desmonts, Antonio J. Ricco, Jens Ducree, Stephen Daniels and Luke P. Lee. Glass like thin film barrier on polymeric microcavities. Lab Chip 2012, 12, 4877

  20. Ram P. Gandhiraman*, N.C.H. Le, C. Doyle, C.Volcke, V.Gubala, S. Uppal, C. K. Dixit, R. Monaghan, B. James, R. O Kennedy, S. Daniels, D. E. Williams. Multi-layered Plasma Polymerized Coatings for SPR Based Biomolecular Detection. ACS Appl Mater Interfaces 2011, 3 (12) 4640-4648 (*Corresponding author)

  21. Ram P. Gandhiraman, V. Gubala, Christy Charlton O Mahony, Th. Cummins, .J. Raj, A. Eltayeb, C. Doyle, B. James, S. Daniels and D. E. Williams. "PECVD coatings for functionalization of Point-Of-Care biosensor surfaces". Vacuum 2012, 86 (5) 547-555.

  22. Gowri Manickam, Ram P. Gandhiraman, Rajani KV, Laura Kerr, Colin Doyle, David E. Williams, Stephen Daniels. Protection and functionalisation of silver as an optical sensing platform for high sensitive SPR based analysis. Analyst 2012,137, 5265

  23. Conor Coyle, Ram P Gandiraman* , Vladimir Gubala, Nam Cao Hoai Le, Christy Charlton, Paul Swift, Stephen Daniels, David E Williams. " Tetraethyl orthosilicate and acrylic acid forming robus carboxylic functionalities on plastic surfaces for Biodiagnostics".Plasma Processes and Polymers 2012, 9(1) 28-36 . (*Corresponding author)

  24. Christy Charlton, Vladimir Gubala, Ram P.Gandhiraman , Stephen Daniels, Jone Seol Yuk, Brian D. MacCraith and David E. Williams. "Improving the sensitivity of immunoassays with PEG-COOH-like film prepared by plasma-based technique". Journal of Biomedical Materials Research 2012, 100(1) 230-235

  25. K.V. Rajani, S. Daniels, E. McGlynn, R. P Gandhiraman, R. Groarke, P. J McNally. Low temperature growth technique for nanocrystalline cuprous oxide thin films using microwave plasma oxidation of copper. Materials Letters 71 (2012) 160-163.

  26. Nam Cao Hoai Le, Vladimir Gubala, Ram P. Gandhiraman , Stephen Daniels and David E. Williams. "Evaluation of different non-specific binding blocking agents deposited inside poly(methyl methacrylate) (PMMA) microfluidic flow-cells". Langmuir 2011, 27 (14), 9043-9051

  27. Ram P. Gandhiraman*, Cedric Volcke, Vladimir Gubala, Colin Doyle, Lourdes Basabe-Desmonts, Christian Dotzler, Michael F. Toney, Marcello Iacono, Robert I. Nooney, Stephen Daniels, Bryony James and David E. Williams. High Efficiency Amine Functionalization of Cyclo Olefin Polymer Surfaces for Biodiagnostics. J. Mat. Chem . 2010,20 ,4116 (*Corresponding author)

  28. Ram.P. Gandhiraman*, V. Gubala, Le Cao Hoai Nam, C. Volcke, C.Doyle, B. James, S. Daniels, D.E.Williams. Deposition of chemically reactive and repellent sites on biosensor chips for reduced non-specific binding. Colloids Surf., B 2010,79 ,270-275 (*Corresponding author)

  29. Ram P. Gandhiraman*, Mohan Kumar Muniyappa, Magdalena Dudek, Conor Coyle, Cedric Volcke, Paul Burham, Stephen Daniels, Niall Barron, Martin Clynes, David C.Cameron. Interaction of plasma deposited HMDSO based coatings with fibrinogen and human blood plasma: the c orrelation between bulk plasma, surface characteristics and biomolecule interaction. Plasma. Process. Polym. 2010, 7 , 411-421. (*Corresponding author)

  30. C. Volcke*, R.P. Gandhiraman**, V. Gubala, Th. Cummins, G. Fonder, R. Nooney, Z. Mekhalif, S. Daniels, A.A. Cafolla and D.E. Williams. Reactive amine surfaces for biosensor applications, prepared by plasma-enhanced chemical vapour modification of polyolefin materials. Biosensors & Bioelectronics. 2010, 25,1875-1880. **Equal contribution

  31. C. Volcke, R.P. Gandhiraman , L. Basabe-Desmonts, M. Iacono, V. Gubala, F. Cecchet, A.A. Cafolla, D.E. Williams. Protein pattern transfer for biosensor applications. Biosensors & Bioelectroncs , 2010, 25 , 1295-1300.

  32. V. Gubala, R. P. Gandhiraman, C. Volcke, C. Doyle, C. Coyle, B. James, S. Daniels and D. E. Williams. Functionalization of cycloolefin polymer surfaces by plasma-enhanced chemical vapour deposition: comprehensive characterization and analysis of the contact surface and the bulk ofaminosiloxane coatings Analyst, 2010, 135 , 1375-1381.

  33. Cedric Volcke, Ram P. Gandhiraman, Vladimir Gubala, Colin Doyle, Paul A. Thiry, Attilio A. Cafolla1, Bryony James and David E. Williams. Plasma functionalization of AFM tips for measurement of chemical interactions. J. Colloid Interface Sci.. 2010, 348 , 322-328.

  34. Nam Cao Hoai Le, Vladimir Gubala, Ram P. Gandhiraman, Conor Coyle, Stephen Daniels, David E. Williams. Total internal reflection ellipsometry (TIRE) as a label-free detection technique for the monitoring of bioassays on a functionalised cyclo olefin polymer surface. Anal. Bioanal. Chem. 2010,398 ,1927-1936.

  35. Christy Charlton, Vladimir Gubala, Ram P. Gandhiraman, Julie Wiechecki, Nam Cao Hoai Le, Conor Coyle, Stephen Daniels, Brian D. MacCraith, David E. Williams. TIRF Microscopy as a Screening Method for Non-Specific Binding on Surfaces. J. Colloid Interface Sci., 2010, 1(354) , 405-409.

  36. Vladimir Gubala, Nam Cao Hoai Le, Ram Prasad Gandhiraman, Conor Coyle, Stephen Daniels, David E. Williams. Functionalization of cyclo olefin polymer substrates by plasma oxidation: Stable film containing carboxylic acid groups for capturing biorecognition elements. Colloids Surf., B, 2010, 81 , 544-548

  37. M.M. Dudek, R.P. Gandhiraman , C. Volcke, A.A. Cafolla, S. Daniels, A.J. Killard. Plasma surface modification of cyclo-olefin polymers and its application to lateral flow bioassays. Langmuir, 2009, 25(18), 11155-11161

  38. M.M. Dudek, R.P. Gandhiraman , C. Volcke, S. Daniels, A.J. Killard. Evaluation of a Range of Surface Modifications for the Enhancement of Lateral Flow Assays on Cyclic PolyolefinMicropillar Devices. Plasma. Process. Polym. 2009, 6(10), 620-630

  39. R.P. Gandhiraman*, S.K. Karkari, S.M. Daniels, B.D. MacCraith. Influence of ion bombardment on the surface functionalization of plasma deposited coatings. Surf. Coat. Tech. 2009, 203, 3521- 3526. (*Corresponding author)

  40. Ram Prasad Gandhiraman*, Stephen Daniels, David C. Cameron. A Comparative Study of Characteristics of SiOxCyHz, TiOx and SiO-TiO Oxide-Based Biocompatible Coatings. Plasma. Process. Polym. 2007, 4, S369-373.

  41. G. Ram Prasad*, Stephen Daniels, D. C. Cameron, B. P. McNamara, Elizabeth Tully and R.O. Kennedy. PECVD of Biocompatible Coatings on 316L Stainless Steel. Surf. Coat. Tech. 2005, 200(1-4), 1031-1035.

  42. G. Ram Prasad*, E. Tully , S. M. Daniels, D. C. Cameron and R. O Kennedy. Adhesion Improvement of Plasma Polymerized HMDSO films on 316L Steel by Plasma Pretreatment and Layering. Plasma Polymers and Related Materials , Eds. M.Mutlu, G Dinescu, R Forch, J M Martin-Martinez and J Vyskocil, Hacettepe University Press 2005 , ISBN 975-491-194-0, 115-124. (*Corresponding author)

  43. M. S. Bhuvaneswari, S. Selvasekarapandian, M. Vijayakumar, G. Hirankumar, G. Ram Prasad, R. Subramanian, P.C. Angelo. Ionic conductivity studies on Mg Stabilized Zirconia by impedance spectroscopy. Ceramics International 2004, 30, 1631-1634.

  44. M. Vijayakumar, S. Selvasekarapandian, M. S. Bhuvaneswari, G. Hirankumar, G. Ram Prasad, R. Subramanian, P.C. Angelo. Synthesis and Ion Dynamics Studies of Nanocrystalline Mg Stabilized Zirconia. Physica B 2003, 334, 390-397.

* Corresponding author