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Manufacturing Process and Thermal Stability of Nanophotonic Soft Contact Lenses

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Computational and Experimental Approaches in Materials Science and Engineering (CNNTech 2018)

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 90))

Abstract

Hydrogels have peculiar physical and chemical properties and therefore, are used in a variety of biomedical applications including drug delivery agents, prosthetic devices, the repair and replacement of soft tissues, contact lenses, etc. Consequently, investigation of mechanical, physical and chemical properties is crucial in biomedical application of hydrogels. Poly (2-hydroxyethyl methacrylate) (pHEMA), as a biocompatible hydrogel, was first hydrogel used for making soft contact lenses. Many researches have been modified pHEMA with the aim of improving its properties. Application of nanotechnology is one of the possible solutions for improving the characteristics of this biocompatible hydrogel. In this paper, polyhydroxyethyl methacrylate was used as standard material for soft contact lenses (SL 38). This material was incorporated with fullerene C60 (SL38-A), fullerol C60(OH)24 (SL 38-B) and fullerene metformin hydroxylate C60(OH)12(OC4N5H10)12 (SL 38-C), respectively. Three new nanophotonic soft contact lenses were made. The main goal of this research was to develop appropriate process parameters for soft contact lens micro-turning. Also, studying the thermal decomposition of standard soft contact lens, pHEMA, as well as three new nanophotonic soft contact lenses was one of the main objectives. Results have shown that manufacturing process of nanofotonic soft contact lens is considered to be a micro-turning process regarding the cutting depth and tool nose ratio. Thermal stability of all three nanofotonic soft contact lenses was significantly improved comparing to the standard soft contact lens. Still, further research needs to be done so these nonophotonic soft contact lenses could find practical application in the field of biomedical engineering.

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Acknowledgment

The authors are grateful to Optix (Belgrade, Serbia) for providing the material used in this study. This research was supported by Ministry of Education, Science and Technological Development of Republic of Serbia under Projects III45009 and TR35031.

Author information

Authors and Affiliations

  1. University Union “Nikola Tesla”, Faculty of Information Technology and Engineering, 11000, Belgrade, Serbia

    Aleksandra Mitrovic

  2. University of Belgrade, Faculty for Special Education and Rehabilitation, Belgrade, Serbia

    Dragomir Stamenkovic

  3. University of Belgrade, Vinča Institute of Nuclear Sciences, Belgrade, Serbia

    Dejana Popovic

  4. University of Belgrade, Faculty of Mechanical Engineering, Belgrade, Serbia

    Aleksandra Dragicevic

Authors
  1. Aleksandra Mitrovic
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  2. Dragomir Stamenkovic
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  3. Dejana Popovic
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  4. Aleksandra Dragicevic
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Corresponding author

Correspondence to Aleksandra Mitrovic .

Editor information

Editors and Affiliations

  1. Faculty of Mechanical Engineering, Department for Process Engineering and Environmental Protection, University of Belgrade, Belgrade, Serbia

    Nenad Mitrovic

  2. Innovation Center of Faculty of Mechanical Engineering, Belgrade, Serbia

    Milos Milosevic

  3. Faculty of Mechanical Engineering, Department for Production Engineering, University of Belgrade, Belgrade, Serbia

    Goran Mladenovic

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Mitrovic, A., Stamenkovic, D., Popovic, D., Dragicevic, A. (2020). Manufacturing Process and Thermal Stability of Nanophotonic Soft Contact Lenses. In: Mitrovic, N., Milosevic, M., Mladenovic, G. (eds) Computational and Experimental Approaches in Materials Science and Engineering. CNNTech 2018. Lecture Notes in Networks and Systems, vol 90. Springer, Cham. https://doi.org/10.1007/978-3-030-30853-7_11

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