Now showing items 5-24 of 39

  • 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 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 ...
  • 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 ...
  • 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 ...
  • Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. 

    Chandu, Vijith Cholakkal Parambil (Robert Gordon University School of Pharmacy and Life Sciences, 2013-04)
    The widespread distribution of cyanobacteria and their toxic effects on humans has become a major concern for researchers. Cyanobacteria are a group of oxygenic phototrophic bacteria that exhibit an enormous diversity ...
  • Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. 

    Johny, Jincy; Prabhu, Radhakrishna; Fung, Wai-Keung; Watson, John (IEEE https://dx.doi.org/10.1109/OCEANSAP.2016.7485662, 2016-04-10)
    JOHNY, J., PRABHU, R., FUNG, W. and WATSON, J. 2016. Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. In the Proceedings of the MTS/IEEE OCEANS 2016 conference: our future is with oceans, 10-13 April 2016, Shanghai, China. Shanghai: MTS/IEEE [online], paper 151207-036. Available from: https://dx.doi.org/10.1109/OCEANSAP.2016.7485662
    Condition monitoring of offshore structures is an indispensable task in the oil and gas industry. Fibre Bragg Grating (FBG) is the key technology used down-hole in order to sense different physical parameters such as strain, ...
  • Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications. 

    Johny, Jincy; Prabhu, Radhakrishna; Fung, Wai-Keung (Springer https://dx.doi.org/10.1007/s11082-016-0528-8, 2016-03-25)
    JOHNY, J., PRABHU, R. and FUNG, W.-K. 2016. Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications. Optical and quantum electronics [online], 48(4), article 252. Available from: https://dx.doi.org/10.1007/s11082-016-0528-8
    Photonic crystal fibre (PCF)–fibre bragg grating (FBG) integration opens up new possibilities in multi-parameter fibre-optic sensing, owing to their active control over light characteristics and mode confinements. Their ...
  • Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. 

    Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pollard, Pat (IOP Publishing. http://dx.doi.org/10.1088/1757-899X/64/1/012033, 2014-05)
    BHAVSAR, K., PRABHU, R. and POLLARD, P., 2014. Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. IOP Conference Series: Materials Science and Engineering, 64, 012033.
    ZnO is a biocompatible material suitable for biosensors and microfluidic devices. Nanowires of ZnO tend to show hydrophobic nature which decelerates the adhesion/adsorption of biomolecules on the surface. This paper ...
  • LED-controlled tuning of ZnO nanowires’ wettability for biosensing applications. 

    Bhavsar, Kaushalkumar; Ross, Duncan; Prabhu, Radhakrishna; Pollard, Pat (Co-Action Publishing. http://dx.doi.org/10.3402/nano.v6.26711, 2015-04)
    BHAVSAR, K., ROSS, D., PRABHU, R. and POLLARD, P., 2014. LED-controlled tuning of ZnO nanowires’ wettability for biosensing applications. Nano Reviews, 6:26711
    Background: Wettability is an important property of solid materials which can be controlled by surface energy. Dynamic control over the surface wettability is of great importance for biosensing applications. Zinc oxide ...
  • Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.apcatb.2014.03.046, 2014-03-30)
    TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. Applied catalysis B: environmental [online], 156-157, pages 398-403. Available from: http://dx.doi.org/10.1016/j.apcatb.2014.03.046
    Quantum yields of the photocatalytic degradation of methyl orange under controlled periodic illumination (CPI) have been modelled using existing models. A modified Langmuir-Hinshelwood (L-H) rate equation was used to predict ...