Conference Proceedings

Home » Faculty of Health Sciences » Research Centres » Laser Research Centre » Conference Proceedings

ACCREDITED CONFERENCE PROCEEDINGS

2024

  1. Nzuza Sinegugu, Ombinda-Lemboumba Saturnin, Abrahamse Heidi, Mthunzi-Kufa Patience (2024) Development and evaluation of surface plasmon resonance phase difference for tuberculosis detection. Proceedings Volume 12840, Optical Interactions with Tissue and Cells XXXV; 1284009 (2024) https://doi.org/10.1117/12.3002334 SPIE BiOS, 2024,

2023

  1. Chota A., George BP. and Abrahamse H. (2022). In vitro antiproliferative effects of berberine in phthalocyanine-mediated photodynamic therapy on MCF-7 Breast Cancer Cells with Overexpressed P-Glycoprotein. SAIP Conference proceedings 2022 pg. 293-298.
  2. Chizenga E. and Abrahamse H. (2022) A Nonlinear Logistic Regression Model for the Measurement of Drug Potency in Photodynamic Therapy. SAIP Conference proceedings 2022 pg. 511-516.
  3. Chota A., George BP. and Abrahamse H. (2023). Cell Death Mechanisms Induced by Green Synthesized Silver Nanoparticles in Combination with Pheophorbide a-Mediated Photodynamic Therapy Against Resistant MCF-7 Cells Overexpressed with P-Glycoprotein. Proc. of SPIE. Vol. 12627, 126270V © 2023 SPIE · 0277-786X · doi: 10.1117/12.2675917
  4. Didamson, OC., Chandran R. and Abrahamse H. (2022). In vitro effects of aluminium (iii) phthalocyanine chloride tetra sulphonic acid-mediated photodynamic therapy on oesophageal cancer. SAIP Conference proceedings 2022 pg. 279-285.
  5. Leyane, T.S., Jere S.W. and Houreld, N.N. (2022). Photobiomodulation at 830 nm modulates proliferation and migration of wounded fibroblast cells. SAIP Conference proceedings 2022 pg. 305-310
  6. Malindi Z., Barth, S. and Abrahamse H (2022). Recombinant Antibody-Conjugated Silver Nanoparticles for Improved Drug Delivery in Photodynamic Therapy for Metastatic Melanoma. SAIP Conference proceedings 2022 pg. 286-292.
  7. Mgwenya T., Abrahamse H. and Houreld N (2022). Photobiomodulation at 830 nm influences diabetic wound healing in vitro through modulation of inflammatory cytokines. SAIP Conference proceedings 2022 pg. 328-333
  8. Nkune N.W. and Abrahamse H  (2023) The Phototoxic Effect of Zinc Phthalocyanine on Melanoma Cells Grown as a Monolayer and Three-Dimensional Multicellular Spheroids Proc. of SPIE Vol. 12627, 126270U (2023) SPIE · 0277-786X · doi.org/10.1117/12.2675718
  9. Simelane N.W.N. and Abrahamse H. (2023) Multicellular Spheroids as In Vitro culture models for Evaluating the Anticancer Activity of Zinc Phthalocyanine Tetrasulfonic Acid for Photodynamic Therapy in Colorectal Cancer Spheroids Proc. of SPIE Vol. 12627, 126270S © 2023 SPIE · 0277-786X · doi: 10.1117/12.2675713

2022

  1. Chota A., George BP and Abrahamse H. (2022) Dicoma anomala enhances the zinc phthalocyanine tetrasulphonic acid (ZnPcS4) mediated photodynamic therapy in breast cancer cells. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 284-289
  2. Crous A and Abrahamse H (2022) Inhibition of Lung Cancer Migration and Invasion Using a Gold Nano Photosensitizer Conjugate. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 296-301
  3. Da Silva D, Crous A and Abrahamse H. (2022) Photobiomodulated Differentiation Of Adipose Derived Stem Cells Into Osteoblasts. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 278-283
  4. Jansen van Rensburg M, Crous A and Abrahamse H. (2022) Facilitating IADMSC Differentiation Into Neuronal Cells By Photobiomodulation Using Visible And Near-Infrared Wavelengths. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp259-264
  5. Kasowanjete P., Houreld NN. and Abrahamse H. (2022) Nuclear Translocation of Map Kinase and Release of Basic Fibroblast Growth Factor Following Photobiomodulation at 660 nm in Diabetic Wounded Cells. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 248-252
  6. Mkhobongo B., Chandran R and Abrahamse H (2022) The effect of PDT on Melanoma cells using an Aluminium phthalocyanine-gold nanoparticle conjugate. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 290-295
  7. Mokoena, DR., George, BP and Abrahamse, H. (2022) Effect of Gold Nanoparticle-Hypericin Mediated Photodynamic Therapy in MCF-7 breast Cancer Cells. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0
  8. Nkune NW., Kruger CA. and Abrahamse H. (2022) Targeted Photodynamic Treatment of Colorectal Cancer. SAIP Conference Potchefstroom University of the North-West June 2021 South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 265-271
  9. Oyebode O. and Houreld NN (2022) A comparison between photobiomodulation at 830 nm and 660 nm on differentiation in diabetic human skin fibroblast cells. SAIP Conference Potchefstroom University of the North-West June 2021. South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp253-258
  10. Simelane N.W.N., Kruger C.A. and Abrahamse H. (2022) Targeted Photodynamic Diagnosis of Colorectal Cancer. SAIP Conference Potchefstroom University of the North-West June 2021 South Africa https://events.saip.org.za/event/206/ ISBN: 978-0-620-97693-0 pp 272-277

2021

  1. Lech J., Boros L.G., Kayode J., Petruccione F., Kruger T.P.J., Monsees T.K., Abrahamse H. van der Merwe P., Bhagwandin N. and Musyoki A.T. (2021) INTERNATIONAL EMF PROJECT: International Advisory Committee (IAC) 25th anniversary of the International EMF Project and the 10th Optical Radiation meeting. Conference Paper. June 2021

2020

  1. Jere S.W., Houreld N.N. and Abrahamse H. (2020) Photobiomodulation promotes cell survival in diabetic wounded fibroblast cells. Proc. SPIE 11221, Mechanisms of Photobiomodulation Therapy XV, 1122103. doi: 10.1117/12.2539096
  2. Loganathan Mohan, Ren-Hattori, Miho Ishii-Teshima, Sathish Sundar Dhilip Kumar, Srabani Kar, Tuhin Subhra Santra, Takayuki Shibata, Moeto Nagai. Fabrication of Gold-nanorings for massively parallel intracellular delivery. 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences. October 4-9, 2020 (Virtual). 978-1-7334190-1-7/µTAS 2020/$20©20CBMS-0001. Page number 414-415.

2019

  1. Chizenga E P and Abrahamse H (2019) Photodynamic therapy using Sulfonated Aluminium Phthalocyanine mix for the eradication of cervical cancer: an in vitro study, in The Proceedings of SAIP2018, the 63rd Annual Conference of the South African Institute of Physics, edited by Prof. Japie Engelbrecht (NMMU), pp. 230 – 234. ISBN: 978-0-620-85406-1. Available online at http://events.saip.org.za. Impact factor: 0.5
  2. Kruger C.A. and Abrahamse H (2019). Investigation of Nano Immunotherapy Drug Delivery in Lung Cancer Cells. SPIE paper number 11070-42. Proc. SPIE 11070, 17th International Photodynamic Association World Congress, 110701V (7 August 2019); doi: 10.1117/12.2514043.
  3. Mokoena, D., Houreld, N.N., Dhillip Kumar, S.S. and Abrahamse H. (2019) The effect of photobiomodulation at 660 nm on the differentiation of diabetic wounded WS1 human fibroblasts into myofibroblasts, in The Proceedings of SAIP 2018, the 63rd Annual Conference of the South African Institute of Physics, edited by Prof. Japie Engelbrecht (NMMU), pp. 135 – 140. ISBN: 978-0-620-85406-1. Available online at http://events.saip.org.za. Impact factor: 0.5
  4. Naidoo, C., Kruger C.A. and Abrahamse, H. (2019). Investigation of a specifically targeted photosynthetic nanoparticle drug delivery system for enhanced photodynamic therapy treatment of metastatic melanoma, in The Proceedings of SAIP2018, the 63rd Annual Conference of the South African Institute of Physics, edited by Prof. Japie Engelbrecht (NMMU), pp. 141 – 146. ISBN: 978-0-620-85406-1. Available online at http://events.saip.org.za. Impact factor: 0.5

2018

  1. Aniogo E., Abrahamse H. and George B.P. (2018) Cell death induced by combination of phthalocyanine photosensitizer and doxorubicin on MCF-7 breast carcinoma cells SAIP 2017 Conference Proceeding. (SAIP Conf Proc 2017- ID52)
  2. Chizenga E P and Abrahamse H (2018) Photodynamic therapy using Sulfonated Aluminium Phthalocyanine mix for the eradication of cervical cancer: an in vitro study. SAIP 2018 Conference Proceeding. (SAIP Conf Proc 2018 – ID50)
  3. George S and Abrahamse H (2018) Laser-induced differentiation of Adipose Stem Cells to neuron-like cells. SAIP 2018 Conference Proceeding. (SAIP Conf Proc 2018 – ID82)
    4. Jere S.W., Abrahamse H. and Houreld N.N. (2018) Photobiomodulation activates the JAK/STAT signalling pathway in diabetic wounded cells in vitro. SAIP 2017 Conference Proceeding. (SAIP Conf Proc 2017 – ID66)
  4. Kabeya, F.B., Abrahamse, H., Karsten, A.E. (2017). Measurement of the main and critical parameters for optimal laser treatment of heart disease. Proceedings of the 28th IUPAP Conference on Computational Physics IOP Conf. Series: Journal of Physics: Conf. Series 905 (2017) 012009 doi :10.1088/1742-6596/905/1/012009
  5. Mokoena, D., Houreld, N.N., Dhillip Kumar, S.S. and Abrahamse H. (2018) The effect of photobiomodulation at 660 nm on the differentiation of diabetic wounded WS1 human fibroblasts into myofibroblasts. SAIP 2018 Conference Proceeding. (SAIP Conf Proc 2018 – ID70)
  6. Naidoo, C., Kruger C.A. and Abrahamse, H. (2018). Investigation of a specifically targeted photosynthetic nanoparticle drug delivery system for enhanced photodynamic therapy treatment of metastatic melanoma. SAIP 2018 Conference Proceeding. (SAIP Conf Proc 2018 – ID49)

2017

  1. Hodgkinson, N and Abrahamse, H. (2017). Differentiation Potential of Adipose-Derived Stem Cells When Cocultured with Smooth Muscle Cells, and the Role of Low-Intensity Laser Irradiation. Proceedings of the PCS 2nd Cell Science and Stem Cell Conference.
  2. Crous A. and Abrahamse H. (2017) Photobiomodulation of isolated lung cancer stem cells. Proceedings of the 61st Annual Conference of the South African Institute of Physics (SAIP). In Press

2016

  1. Ayuk S.M., Abrahamse H. and Houreld N.N. (2016) Gene Expression Changes in Diabetic Wound Healing as Induced by Photobiostimulation in vitro. In: (eds) Chithambo M., and Venter A. Proceedings of the 60th annual conference of the South African Institute of Physics (SAIP2015). SAIP, South Africa, pp 244-248. ISBN: 978-0-620-70714-5
  2. Abrahamse H. and Crous A. (2016) Biochemical Responses of Isolated Lung CSCs After Application of Low Intensity Laser Irradiation. SPIE proceeding. Vol. 9695 96950J-1-J12 doi: 10.1117/12.2228902
  3. Houreld N.N. (2016) Influence of 660 and 830 nm Laser Irradiation on Genetic Profile of Extracellular Matrix Proteins in Diabetic Wounded Human Skin Fibroblast Cells. Advances in Biological Sciences Research, pp 202-210 ISBN: 978-94-6252-216-910

2015

  1. Tynga I, Houreld N.N. and Abrahamse H. (2015). Photodynamic Effects of Gold Nanoparticles in a Breast Cancer Cell Line (MCF-7) in Vitro. In: Lilge L.D. and Sroka R. (eds) Progress in Biomedical Optics and Imaging – Proceedings of SPIE, Volume 9542, 954204. doi: 10.1117/12.2184043 SPIE 9542, Medical Laser Applications and Laser-Tissue Interactions VII, 954204 (July 15, 2015); doi:10.1117/12.2184043.

2014

  1. Houreld N.N. (2014) Irradiation at 660 nm modulates different genes central to wound healing in wounded and diabetic wounded cell models. Proceedings of SPIE. Mechanisms of Low Light Therapy IX 8932-9: 89320A 1-9 vol 15(7) ISSN 1605-7422

2013

  1. Houreld N.N. (2013) Laser Irradiation in the Visible Wavelength Stimulates Wound Healing In Vitro. Proceedings of the 9th International Conference of the World Association of Laser Therapy Congress, Eds Liisa Laakso and Cath Young, Medimond International, Bologna, Italy, pp 41-44. ISBN 978-88-7557-677-7
  2. Abrahamse H., Vorster L. and Houreld N. (2013) Global DNA Methylation Status of Colorectal Cancer Cells Exposed to Photodynamic Therapy. Proceedings of the 9th International Conference of the World Association of Laser Therapy Congress, Eds Liisa Laakso and Cath Young Medimond International, Bologna Italy, pp 1-4. ISBN 978-88- 7557-677-7
  3. Crous A. and Abrahamse H. (2013) The Impact of Low Intensity Laser Irradiation on Lung Cancer Stem Cell Viability and Proliferation. Proceedings of SAIP 2013, the 58th annual conference of the South African Institute of Physics Ed J. Janse van Rensburg Department of Physics, University of Pretoria, South Africa, pp 321-324 ISBN: 978-1-77592-070-0
  4. Mvula B. and Abrahamse H. (2013) Low Intensity Laser Irradiation (LILI) in combination with Growth Factors in a Co-culture System Supports the Differentiation of Mesenchymal Stem Cells. Proceedings of SAIP 2013, the 58th annual conference of the South African Institute of Physics Ed J. Janse van Rensburg Department of Physics, University of Pretoria, South Africa, pp 332–336 ISBN: 978-1-77592-070-0

2012

  1. Houreld N., Masha R. and Abrahamse H. (2012) Profiling of Genes Central to Human Mitochondrial Energy Metabolism Following Low Intensity Laser Irradiation. Advances in Laserology – Selected papers of Laser Florence 2011. AIP Conference Proceedings. American Institute of Physics, Melville, New York Vol 1468 pp 53-62.
  2. Vorster L., Houreld N. and Abrahamse H. (2012) DNA Methylation in Cancer Cells Exposed to Photodynamic Therapy. Proceedings of SAIP 2012, the 57th annual conference of the South African Institute of Physics, Ed J. Janse van Rensburg. University of Pretoria, South Africa, pp 311-314 ISBN: 978-1-77592-070-0
  3. Tynga I.M., Houreld N. and Abrahamse H. (2012) Ability of ZnPcSmix Phthalocyanine in Inducing Cellular Death in Human Breast Cancer Cells (MCF-7) Using Laser Irradiation. Proceedings of SAIP 2012, the 57th annual conference of the South African Institute of Physics, Ed J. Janse van Rensburg University of Pretoria, South Africa, pp 305-310 ISBN: 978-1-77592-070-0
  4. Ayuk S.M., Houreld N. and Abrahamse H. (2012) The Role of Low Intensity Laser Irradiation on Collagen Production in Diabetic Wounded Fibroblast Cells In Vitro. Proceedings of SAIP 2012, the 57th annual conference of the South African Institute of Physics Ed J. Janse van Rensburg, University of Pretoria, South Africa, pp 383-287 ISBN: 978-1-77592-070-0

2011

  1. Houreld N. and Abrahamse H. (2011) Laser Irradiation: A Complementary Treatment for Wounds. Proceedings of SAIP 2011, the 56th annual conference of the South African Institute of Physics. Eds I. Basson, A.E. Botha, SA Institute of Physics, Pretoria, South Africa, pp 677-682
  2. Sekhejane P., Houreld N. and Abrahamse H. (2011) Inflammatory Response of Injured Diabetic Fibroblasts after Low Intensity Laser Irradiation at a Wavelength of 830 nm. Proceedings of SAIP 2011, the 56th annual conference of the South African Institute of Physics. Eds I. Basson, A.E. Botha, SA Institute of Physics, Pretoria, South Africa, pp 721-727
  3. Mvula B. and Abrahamse H. (2011) Adipose Derived Stem Cells and Low Intensity Laser Irradiation: Potential Use in Regenerative Medicine. I. Basson and A.E. Botha (Eds) Proceedings of the 56th Annual South African Institute of Physics Conference, UNISA, South Africa pp 707-710
  4. Abrahamse H. (2011) Photodynamic Cancer Therapy – Recent Advances. M.A. Harith (Ed) Proceedings of ICLA. American Institute of Physics (AIP). 1380: 5-11

2010

  1. Houreld N., Sekhejane P.R. and Abrahamse H. (2010) Low Intensity Laser Irradiation Stimulates Healing in Stressed Models. Proceedings of the 8th International Congress of the World Association of Laser Therapy. Ed JM Bjordal, Medimond, Bologna, Italy, pp.23-26. ISBN: 978-88-7587-597-8
  2. Abrahamse H. (2010) Low intensity laser irradiation ameliorates stem cell-based therapy for use in autologous grafts. Proceedings of the 8th International Congress of the World Association of Laser Therapy. Ed JM Bjordal, Medimond, Bologna, Italy, pp.1-5. ISBN: 978-88-7587-597-8

2009

  1. Heidi Abrahamse, de Villiers J and Mvula B. (2009) The Effect of Laser Irradiation on Adipose Derived Stem Cell Proliferation and Differentiation. Proceedings of the 11th International Academy Laser Medicine and Surgery IALMS conference published by the American Institute of Physics – Medical Physics. New York, USA, pp 53-63
  2. Hawkins Evans D. and Abrahamse, H. (2009) The effect of 648nm diode laser irradiation on second messengers in senescent human keratinocytes. In Mechanisms for Low-Light Therapy VI, Edited by Micheal R. Hamblin, Ronald W. Waynant and Juanita Anders, Proceedings of BioS (BO109) SPIE-Photonics West (SPIE, Bellingham, WA) 7165-8
  3. Hawkins Evans D., Mbene A., Zungu I., Houreld N. and Abrahamse H. (2009) DNA damage in wounded, hypoxic and acidotic human skin fibroblast cell cultures after low level laser irradiation. In Mechanisms for Low-Light Therapy VI, Edited by Micheal R. Hamblin, Ronald W. Waynant and Juanita Anders, Proceedings of BioS (BO109) SPIE-Photonics West (SPIE, Bellingham, WA) Paper 7165-13.

2008

  1. Heidi Abrahamse and Yiannakis N. (2008) Cancer cell death induction mechanisms by second generation photosensitizers. Proceedings of the 7th International Conference of the World Association of Laser Therapy. Medimond International, Bologna Italy, pp 1- 8
  2. Denise Hawkins Evans and Abrahamse H. (2008) Effect of Laser Irradiation on mitochondrial responses of stressed keratinocytes. Proceedings of the 7th International Conference of the World Association of Laser Therapy. Medimond International, Bologna Italy, pp 21-28
  3. Nicolette Houreld and Abrahamse H. (2008) Effect of Laser Irradiation on Diabetic Wounded Fibroblast Cells in Vitro. Proceedings of the 7th International Conference of the World Association of Laser Therapy. Medimond International, Bologna Italy, pp 29-37

2007

  1. Hawkins D. and Abrahamse H. (2007) Efficacy of a single high dose versus multiple low doses of LLLT on wounded skin fibroblasts. Therapeutic laser applications and laser-tissue interactions. SPIE and OSA European Conference on Biomedical Optics, SPIE International Society for Optical Engineering. Proc SPIE 6632-46

2006

  1. Abrahamse H., Hawkins D. and Houreld N. (2006) Effect of Wavelength and Fluence on Morphology, Cellular And Genetic Integrity of Diabetic Wounded Human Skin Fibroblasts. SPIE International Optics and Photonics – Low Light Therapy Vol. 6140 pp 41-54 ISBN 0-8194-6183-0
  2. Abrahamse H., Kresfelder T, Horne T., Cronje M. and Nyokong T. (2006) Apoptotic Inducing Ability Of A Novel Photosensitizing Agent, Ge Sulfophthalocyanine, on Oesophageal and Breast Cancer Cell Lines. SPIE International Optics and Photonics- Mechanisms of Photodynamic therapy Vol.6139 p17-29 ISBN0-8194-6182-2

2005

  1. Abrahamse H., Houreld Nicolette and Hawkins Denise. (2005) Changes in cell morphology, viability, proliferation and cytotoxicity associated with helium-neon laser irradiation of diabetic wounded human skin fibroblasts” (F2-007P) FEBS Journal 272 (1): 339. ISSN 1474-3833
  2. Mthunzi P., Forbes A., Hawkins D., Karsten A. And Abrahamse H. (2005) Influence of beam shape on in vitro cellular transformations in human skin fibroblasts. SPIE International Optics and Photonics – Laser Beam Shaping VI (OE1410) Proc. SPIE 5876, pp V.1 – V.10

2004

  1. Denise Hawkins, Nicolette Houreld and Heidi Abrahamse. (2004) Cellular and Molecular Effects of Low Level Laser Therapy in Wound healing: a Review. Proceedings of International Workshop on Optics and Promotion of Laser Applications Windhoek Namibia. In South African Journal of Science
  2. Nicolette Houreld, Denise Hawkins and Heidi Abrahamse. (2004) Low Level Laser Therapy (LLLT) induced DNA damage and increased protein expression in a cancer cell line. Proceedings of International Workshop on Optics and Promotion of Laser Applications Windhoek Namibia. In South African Journal of Science.