Department of Basic Sciences

Faculty of Allied Health Sciences

Department of Basic Sciences

Faculty of Allied Health Sciences

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Dr. Piumnil Gamagedara


Official Address :

Department of Basic Science,
Faculty of Allied Health Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


Email :

tpiumnil@pdn.ac.lk


Telephone :

+94-812065782

           

Education/Professional Qualification

  • Ph.D (Nanomedicine)

  • B.Sc (Hons) Special in Chemistry

Appointments (Selected)

  • Team Leader ISO 14001 (2016 to present)
  • Managing Editor, Sri Lanka Bulletin of Nursing and allied Health Sciences (2015 to present)
  • Time Table Committee member (2015 to present)
  • Building and Infrastructure Committee member (2016 to present)
  • Quality Assurance Committee member (2017)
  • Faculty representative, Waste Management and Energy Management subcommittees
  • iPURSE Technical and Programme Committee (2017)
  • iPURSE Ceremonial Committee (2016)
  • Biomedical Engineering Group of University of Peradeniya (2008 to present)


Professional Qualifications / Teaching Experience

  • Working as a Lecturer in the Department of Basic Sciences, Faculty of Allied Health Sciences, University of Peradeniya (2015 to present)
  • Worked as a Temporary Lecturer in the Department of Medical Laboratory Science, Faculty of Allied Health Sciences, University of Peradeniya (2011-2014)
  • Worked as a Research Assistant at Department of Chemistry, University of Peradeniya (2008-2011)
  • Worked as a Visiting Demonstrator of the PGIS, University of Peradeniya for the duration of the M.Sc. programme in Nanoscience and Nanotechnology (2010/2011)
  • Worked as a Demonstrator in Department of Chemistry, Faculty of Science, University of Peradeniya (2007-2008)

Research Interests

  • Nanoscience and Nanotechnology
  • Orthopedic biomaterials
  • Nanomedicine
  • Enzymes
  • Health Science Education

Research Publication(Recent)

Google Scholar

    Abstract

  • Synthesis and characterization of meso-5-(4-hydroxyphenyl)-10,15,20-tris(4methoxyphenyl)porphyrin and its use as a photosensitizer in nanocrystalline zinc oxide solar cell. T.P.Gamagedara and R.M.G.Rajapakse, 64th Annual Sessions of SLAAS, Chemistry Seminar Room, Faculty of Science, University of Colombo, Colombo 3, 04.12.2008.

  • Hydroxyapatite-polyacrylic acid nanocomposites. R.M.G. Rajapakshe, P.S.D.K. Perera, T.P. Gamagedara, A.P. Mahavithana, Abstracts of papers, 21st Century Medicine–Breakthroughs and Challenges, Nanomedicine International conference, London, UK, 2008.

  • Conversion of Eppawala Apatite into pure hydroxyapatite for applications as an advanced material. T.P. Gamagedara, R.M.G. Rajapakse, H.M.N. Bandara and C.P. Udawatta, National Symposium on "Geology of Sri Lanka", 25th Annual Technical sessions, Plant Genetic Resources Centre, Gannoruwa, Peradeniya, 27.02.2009.

  • Synthesis and Characterization of Hydroxyapatite-Poly(Methyl Methacrylate) Nanocomposites. T.P. Gamagedara, R.M.G. Rajapakse and H.M.N. Bandara, 65th Annual Sessions of SLAAS, Board Room, Faculty of Science, University of Kelaniya, Kelaniya, 10.12.2009. (This was selected for the Media conference at NSF on 23rd November, 2009).

  • A novel nanocomposite approach to mimic the hierarchical structure of bones. T.P. Gamagedara, R.M.G. Rajapakse, H.M.N. Bandara and A.P. Mahavithana, Peradeniya University Research Sessions 2010, Main Lecture Room 02, JB Hall, Department of Education, University of Peradeniya, Peradeniya, 16.12.2010.

  • Application of a hydroxyapatite coating on a stainless steel via a titatanium dioxide coating to make osteoconductive metallic implants. T.P. Gamagedara, S.G. Anuradha, R.M.G. Rajapakse, G.R.A. Kumara, H.M.N. Bandara and C.P. Udawatta, Main Lecture Room 02, JB Hall, Department of Education, University of Peradeniya, Peradeniya, 16.12.2010.

  • Hydroxyapatite-coated implants. T. P. Gamagedara, S.G. Anuradha, R.M.G. Rajapakse, G.R.A. Kumara, H.M.N. Bandara and C.P. Udawatta, Technology for sustainable peace, Annual Symposium 2010, General Sir John KotelawalaDefence University, Rathmalana, Sri Lanka, 20.08.2010.

  • Synthesis and characterization of hydroxyapatite nanoparticles by polymer-assisted synthesis. T. P. Gamagedara, R. M. U. M. Rathnayake, R. M. G. Rajapakse and H. M. N. Banadara, PGIS Research Congress 2014, PGIS, University of Peradeniya, Peradeniya, 11.10.2014.

  • Synthesis of biological-like apatites by using simulated body fluids and urea at physiological pH and temperatures. (Submitted) T. P. Gamagedara and R. M. G. Rajapakse, PGIS Research Congress 2016, PGIS, University of Peradeniya, Peradeniya.

  • Simple chemical method to induce a bioactive hydroxyapatite layer on the surface of 316l stainless steel. (Submitted) T. P. Gamagedara, H. M. N. Bandara and R. M. G. Rajapakse, PGIS Research Congress 2016, PGIS, University of Peradeniya, Peradeniya.

  • Formation mechanism of hydroxyapatite (HA) particles in HA-polymethyl methacrylate nanocomposites synthesized by a facile ex-situ polymerization method. (Manuscript prepared.) T. P. Gamagedara, H. M. N. Bandara and R. M. G. Rajapakse, Peradeniya University International Research Sessions (iPURSE), 2016.

  • Effect of surface topography on binding ability of TiO2 on stainless steel. (Manuscript prepared.) T. P. Gamagedara, A.P. Mahavithana, H. M. N. Bandara and R. M. G. Rajapakse, Peradeniya University International Research Sessions (iPURSE), 2016.

  • Synthesis and characterization of Eppawala Apatite- polymethyl methacrylate composite. (Manuscript prepared.) T. P. Gamagedara, H. M. N. Bandara and R. M. G. Rajapakse, Peradeniya University International Research Sessions (iPURSE), 2016.

  • Comparison of the effect of nanoparticles with microparticles of hydroxyapatite (HA) on the properties of HA-polymethyl methacrylate nanocomposites. (Manuscript prepared.) T. P. Gamagedara, H. M. N. Bandara and R. M. G. Rajapakse.

  • A facile removal method of fluoride from Eppawala appatite. (Manuscript prepared.) T. P. Gamagedara, H. M. N. Bandara and R. M. G. Rajapakse, Peradeniya University International Research Sessions (iPURSE), 2016.

  • Assessment of relationship between sleep quality and academic performance among undergraduates of the Faculty of Allied Health Sciences, university of Peradeniya P. A. Jayasinghe, T. P. Gamagedara, The Scientific Sessions 2017, Building Bridges for Better Health, Faculty of Medical Sciences, University of Sri Jayawardenepura, 2017, 100-101

    • Journal Articles

  • Effects of Hydroxyapatite –Polymethyl Methacrylate Nanocomposites on Human Red Cell Indices and Serum Proteins, MRF Riska, TP Gamagedara, RMG Rajapakse, International Journal of Nano Research, 2019 (accepted)

  • Facile Bottom-up Approach to Synthesize Hydroxyapatite - Polymethyl Methacrylate Nanocomposites for Possible Applications in Bone Grafting. TP Gamagedara, RMG Rajapakse, International Journal of Nanotechnology in Medicine &Engineering. 2019, 4:1, 1-8

  • Effects of hydroxyapatite nanoparticles on liver enzymes and blood components. TP Gamagedara, HF Ziana, Journal of Clinical Investigations and Studies. 2018, 1:3, 1-5, DOI: 10.15761/JCIS.1000113

  • Facile synthesis of hydroxyapatite nanoparticles by a polymer-assisted method: morphology, mechanical properties and formation mechanism, TP Gamagedara, UM Rathnayake, RMG Rajapakse, Journal of Clinical Investigations and Studies. 2018, 1:1, DOI: 10.15761/JCIS.1000101

  • Hydroxyapatite / Poly(acrylic acid) Hybrids from Calcium Sucrate and Ammoniumdihydrogen Orthophosphate. WPSL Wijesinghe, MMMGPG Mantilaka, AMCP Weerasinghe, KM Nalin de Silva, TP Gamagedara, RMG Rajapakse, Journal of Applied Solution Chemistry and Modelling. 2016, 5, 21-29

    • Other

  • Presentation on synthesis and characterization of HA nanoparticles and HA-PMMA nanocomposites for possible applications in artificial bones in the University Road Show: Nanotechnology research and Facilities available at the universities, NSF Auditorium, 29th July, 2009.






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