Now showing items 2-21 of 43

  • Banknote authentication using chaotic elements technology. 

    Ambadiyil, Sajan; Krishnendu, P. S.; Pillai, V. P. Mahadevan; Prabhu, Radhakrishna (SPIE https://doi.org/10.1117/12.2278343, 2017-10-05)
    AMBADIYIL, S., KRISHNENDU, P.S., PILLAI, V.P.M. and PRABHU, R. 2017. Banknote authentication using chaotic elements technology. In Proceedings of the SPIE security and defence conference 2017, 10441: counterterrorism, crime fighting, forensics and surveillance, 11-14 September 2017, Warsaw, Poland. Bellingham, WA: SPIE [online], paper 1044104. Available from: https://doi.org/10.1117/12.2278343
    The counterfeit banknote is a growing threat to the society since the advancements in the field of computers, scanners and photocopiers, as they have made the duplication process for banknote much simpler. The fake note ...
  • Computational study of nanostructured composite materials for photonic crystal fibre sensors. 

    Johny, Jincy; Prabhu, Radhakrishna; Fung, Wai-Keung (IOP https://doi.org/10.1088/1757-899X/195/1/012012, 2017-05-11)
    JOHNY, J., PRABHU, R. and FUNG, W.-K. 2016. Computational study of nanostructured composite materials for photonic crystal fibre sensors. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd structural nano composites conference (NANOSTRUC 2016), 12-15 September 2016, Aberdeen, UK, article ID 012012. Available from: https://doi.org/10.1088/1757-899X/195/1/012012
    Photonic Crystal Fibres (PCFs) developed using nanostructured composite materials provides special optical properties which can revolutionise current optical sensing technologies. The modal and propagation characteristics ...
  • Controlled periodic illumination in semiconductor photocatalysis. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.jphotochem.2015.12.002, 2015-12-12)
    TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2015. Controlled periodic illumination in semiconductor photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 319-320, pages 96-106. Available from: http://dx.doi.org/10.1016/j.jphotochem.2015.12.002
    Controlled periodic illumination is a hypothesis postulated in the early 1990s for enhancing the efficiency of semiconductor photocatalytic reactions. This technique has been proposed to improve photocatalytic efficiency ...
  • Design of a smart security registration plate for seagoing motorized non-mechanical crafts. 

    Ambadiyil, Sajan; Jose, Soumya; Pillai, V. P. Mahadevan; Prabhu, Radhakrishna (IEEE https://doi.org/10.1109/OCEANSE.2017.8084868, 2017-06-19)
    AMABDIYIL, S., JOSE, S., PILLAI, V.P.M. and PRABHU, R. 2017. Design of a smart security registration plate for seagoing motorized non-mechanical crafts. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8084868. Available from: https://doi.org/10.1109/OCEANSE.2017.8084868
    Unauthorized and uncertified small seagoing fishing crafts are being widely used for illegal, unreported and unregulated fishing, especially in the Indian sub-continent. Nevertheless, the registration is mandatory; the ...
  • Design of optical fibre based highly sensitive acoustic sensor for underwater applications. 

    Johny, Jincy; Smith, Thomas; Bhavsar, Kaushalkumar; Prabhu, Radhakrishna (IEEE https://doi.org/10.1109/OCEANSE.2017.8084974, 2017-06-19)
    JOHNY, J., SMITH, T., BHAVSAR, K. and PRABHU, R. 2017. Design of optical fibre based highly sensitive acoustic sensor for underwater applications. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8084974. Available from: https://doi.org/10.1109/OCEANSE.2017.8084974
    Fibre optic sensing is a key technology for a variety of underwater sensing and monitoring applications. Fibre optic acoustic sensors are mainly based on interferometric detection approach where the acoustic pressure-induced ...
  • Design optimization of Cassegrain telescope for remote explosive trace detection. 

    Bhavsar, Kaushalkumar; Eseller, K. E.; Prabhu, Radhakrishna (SPIE https://doi.org/10.1117/12.2277932, 2017-10-05)
    BHAVSAR, K., ESELLER, K.E. and PRABHU, R. 2017. Design optimization of Cassegrain telescope for remote explosive trace detection. In Proceedings of the SPIE security and defence conference 2017, 10441: counterterrorism, crime fighting, forensics and surveillance, 11-14 September 2017, Warsaw, Poland. Bellingham, WA: SPIE [online], paper 1044103. Available from: https://doi.org/10.1117/12.2277932
    The past three years have seen a global increase in explosive-based terror attacks. The widespread use of improvised explosives and anti-personnel landmines have caused thousands of civilian casualties across the world. ...
  • Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. 

    Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pollard, Pat (IOP Publishing. http://dx.doi.org/10.1088/1742-6596/450/1/012011, 2013-09)
    BHAVSAR, K., PRABHU, R. and POLLARD, P., 2013. Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. Journal of Physics: Conference Series, 450, 012011.
    Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods in the environment. Optical fibre based sensing facilitates the remote, continuous and in-situ detection ...
  • Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. 

    Krishnan, R. Reshmi; Sanjeev, Ganesh; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (Springer https://doi.org/10.1007/s11837-018-2776-5, 2018-02-28)
    KRISHNAN, R.R., SANJEEV, G., PRABHU, R. and PILLAI, V.P.M. 2018. Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. JOM: journal of the Minerals, Metals and Materials Society [online], 70(5), pages 739-746. Available from: https://doi.org/10.1007/s11837-018-2776-5
    Undoped and Cu-doped In2O3 films were prepared by radiofrequency magnetron sputtering technique. The effects of Cu doping and high-energy electron beam irradiation on the structural and optical properties of as-prepared ...
  • The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.cej.2014.03.002, 2014-03-12)
    TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: http://dx.doi.org/10.1016/j.cej.2014.03.002
    The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous ...
  • Effect of RF power on the structural and optical properties of zinc sulfide films. 

    Chalana, S. R.; Sankararaman, S.; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (Springer https://doi.org/10.1007/s11837-017-2459-7, 2017-07-27)
    CHALANA, S.R., SANKARARAMAN, S., PRABHU, R. and PILLAI, V.P.M. 2017. Effect of RF power on the structural and optical properties of zinc sulfide films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2264-2271. Available from: https://doi.org/10.1007/s11837-017-2459-7
    Zinc sulfide (ZnS) films were prepared via a radio frequency (RF) magnetron sputtering technique using different RF powers (100, 120, 150, and 180 W), and the effects of the RF power on the structural and optical properties ...
  • Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. 

    Kruanetr, Senee; Pollard, Pat; Fernandez, Carlos; Prabhu, Radhakrishna (ESG http://www.electrochemsci.org/papers/vol9/91005699.pdf, 2014-07-16)
    KRUANETR, S., POLLARD, P., FERNANDEZ, C. and PRABHU, R. 2014. Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. International journal of electrochemical science [online], 9(10), pages 5699-5711. Available from: http://www.electrochemsci.org/papers/vol9/91005699.pdf
    We present in this manuscript for the first time the electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolitic graphite electrode (EPPGE) modified ...
  • Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. 

    Prabhu, Radhakrishna; Hewitt, F.; Georgieva, G.; Lawton, Linda A.; Meenakshi, H. N.; Robertson, P. K. J. (IEEE https://doi.org/10.1109/OCEANSE.2017.8085011, 2017-06-19)
    PRABHU, R., HEWITT, F., GEORGIEVA, G., LAWTON, L.A., MEENAKSHI, H.N. and ROBERTSON, P.K.J. 2017. Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8085011. Available from: https://doi.org/10.1109/OCEANSE.2017.8085011
    Photocatalytic technology using TiO2 is one of the emerging approaches for water treatment, especially as a final step to remove complex organics such as pesticides, hormones or humic acids. Titanium dioxide (TiO2) is a ...
  • Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. 

    Waddell, Stuart; Fernandez, Carlos; Inverarity, Catherine C.; Prabhu, Radhakrishna (Elsevier https://doi.org/10.1016/j.sbsr.2016.12.001, 2016-12-21)
    WADDELL, S.A., FERNANDEZ, C., INVERARITY, C.C. and PRABHU, R. 2017. Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. Sensing and bio-sensing research [online], 13, pages 28-39. Available from: https://doi.org/10.1016/j.sbsr.2016.12.001.
    Benzylpiperazine (BZP) is a novel psychoactive substance that is commonly abused in tablet form as an 'ecstasy-type' drug. Electroanalysis offers genuine potential for field testing of bulk drug samples. This research is ...
  • A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. 

    Mathews, C. Bobby; Libish, T. M.; Kaushalkumar, B.; Vivek, V.; Prabhu, Radhakrishna; Radhakrishnan, P. (Springer/Tianjin University of Technology https://doi.org/10.1007/s11801-016-5229-9, 2016-01-10)
    MATHEWS, C.B., LIBISH, T.M., KAUSHALKUMAR, B., VIVEK, V., PRABHU, R. and RADHAKRISHNAN, P. 2016. A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. Optoelectronics letters [online], 12(1), pages 23-26. Available from: https://doi.org/10.1007/s11801-016-5229-9
    A fiber optic sensor for the measurement of total cholesterol is designed and developed. The developed chitosan coated long period grating (LPG) sensor shows a sensitivity of 5.025×106 pm·mL/g in the measurement range of ...
  • Fibre optic sensor to detect heavy metal pollutants in water environments. 

    Bhavsar, Kaushalkumar; Hurston, Emma; Prabhu, Radhakrishna; Joseph, Ginson P. (IEEE https://doi.org/10.1109/OCEANSE.2017.8084982, 2017-06-19)
    BHAVSAR, K., HURSTON, E., PRABHU, R. and JOSEPH, G.P. 2017. Fibre optic sensor to detect heavy metal pollutants in water environments. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8084982. Available from: https://doi.org/10.1109/OCEANSE.2017.8084982
    Heavy metal ion pollution emerges as a potential threat to humankind and the ecosystem due to their increased spreading into the environment. Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and ...
  • Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. 

    Sreedharan, Remadevi Sreeja; Ganesan, Vedachalaiyer; Sudarsanakumar, Chellappan Pillai; Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (Co-Action Publishing. http://dx.doi.org/10.3402/nano.v6.26759, 2015-03)
    SREEDHARAN, R. S., GANESAN, V., SUDARSANAKUMAR, C. P., BHAVSAR, K., PRAHBU, R. and PILLAI, V. P. P. M., 2015. Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. Nano Reviews. [online] Volume 6 Article 26759. (Available from: http://dx.doi.org/10.3402/nano.v6.26759) [Accessed 16 March 2015]
    Background: Zinc oxide (ZnO) is a wide, direct band gap II-VI oxide semiconductor. ZnO has large exciton binding energy at room temperature, and it is a good host material for obtaining visible and infrared emission of ...
  • Highly transparent and luminescent nanostructured Eu203 doped ZnO films. 

    Sreedharan, Remadevi Sreeja; Ganasan, Vedachalaiyer; Sudarsanakumar, Chellappan Pillai; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (IOP Publishing. http://dx.doi.org/10.1088/1757-899X/64/1/012027, 2014-05)
    SREEDHARAN, R. S., GANASAN, V., SUDARSANAKUMAR, C., PRABHU, R. and PILLAI, V. P. M., 2014. Highly transparent and luminescent nanostructured Eu203 doped ZnO films. IOP Conference Series: Materials Science and Engineering, 64, 012027.
    Zinc oxide is a wide, direct band gap II-VI oxide semiconductor. Pure and Eu-doped ZnO films are prepared by RF Magnetron sputtering at different doping concentrations (0.5, 1, 3 and 5 wt %). The films are annealed at 500 ...
  • Holographic interfermetry for security and forensic applications. 

    Ambadiyil, Sajan; Sreelekshmi, R. C.; Pillai, V. P. Mahadevan; Prabhu, Radhakrishna (SPIE https://doi.org/10.1117/12.2242153, 2016-09-26)
    AMBADIYIL, S., SREELEKSHMI, R.C., PILLAI, V.P.M. and PRABHU, R. 2016. Holographic interfermetry for security and forensic applications. In Proceedings of the 12th SPIE optics and counterterrorism, crime fighting and defence conference, 9995, 26-27 September 2016, Edinburgh, UK. Cardiff: SPIE [online], paper 9995-1. Available from: https://doi.org/10.1117/12.2242153
    Security holograms having unique 3D images are one of the tools for enhancing the security for product and personnel authentication and anti-counterfeiting. Apart from the high technology that is required, the uniqueness ...
  • Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. 

    Sreedharan, Remadevi Sreeja; Vinodkumar, R.; Navas, I.; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (Springer http://dx.doi.org/10.1007/s11837-015-1632-0, 2015-09-23)
    SREEDHARAN, R.S., VINODKUMAR, R., NAVAS, I., PRABHU, R. and PILLAI, V.P.M. 2015. Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. JOM: the journal of the minerals, metals and materials society [online], 68(1), pages 341-350. Available from: http://dx.doi.org/10.1007/s11837-015-1632-0
    The effects of Pr doping on the structural, morphological, optical and non-linear optical properties have been investigated. X-ray diffraction and Raman analysis reveals the formation of highly c-axis-oriented films with ...
  • Integrated self-healing of the composite offshore structures. 

    Gupta, Ranjeetkumar; Pancholi, Ketan; Prabhu, Radhakrishna; Pancholi, Mehul; Huo, Dehong; Jha, Vineet; Latto, James (IEEE https://doi.org/10.1109/OCEANSE.2017.8084828, 2017-06-19)
    GUPTA, R., PANCHOLI, K., PRABHU, R., PANCHOLI, M., HUO, D., JHA, V. and LATTO, J. 2017. Integrated self-healing of the composite offshore structures. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8084828. Available from: https://doi.org/10.1109/OCEANSE.2017.8084828
    The self-repairing composite materials integrated with sensing is way forward to reduce maintenance cost and increase consumer safety. In this work, the novel self-healing carbon fibre reinforced unidirectional bulk tape ...