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Biomolecular papain thin films growth by laser techniques

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Abstract

Papain thin films were synthesised by matrix assisted and conventional pulsed laser deposition (PLD) techniques. The targets submitted to laser radiation consisted on a frozen composite obtained by dissolving the biomaterials in distilled water. For the deposition of the thin films by conventional PLD pressed biomaterial powder targets were submitted to laser irradiation. An UV KrF* excimer laser source was used in the experiments at 0.5 J/cm2 incident fluence value, diminished one order of magnitude as compared to irradiation of inorganic materials. The surface morphology of the obtained thin films was studied by atomic force profilometry and atomic force microscopy. The investigations showed that the growth mode and surface quality of the deposited biomaterial thin films is strongly influenced by the target preparation procedure.

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Acknowledgements

Financial support from NATO under the contract EAP.RIG 981200 and Romanian Ministry for Education and Research under the contract 150/2006 CEEX is acknowledged with thanks.

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Authors and Affiliations

  1. National Institute for Lasers, Plasma and Radiations Physics, P.O. Box MG 36, Bucharest V, 76900, Romania

    Enikö György, Gabriel Socol & Ion N. Mihailescu

  2. Consejo Superior de Investigaciones Cientificas, Instituto de Ciencia de Materiales de Barcelona, Campus UAB, Bellaterra, 08193, Spain

    Enikö György, Jose Santiso & Albert Figueras

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  1. Enikö György
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  2. Jose Santiso
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  3. Albert Figueras
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  4. Gabriel Socol
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  5. Ion N. Mihailescu
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Correspondence to Enikö György.

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György, E., Santiso, J., Figueras, A. et al. Biomolecular papain thin films growth by laser techniques. J Mater Sci: Mater Med 18, 1643–1647 (2007). https://doi.org/10.1007/s10856-007-3055-0

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  • DOI: https://doi.org/10.1007/s10856-007-3055-0

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