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Creatinine biomaterial thin films grown by laser techniques
E György1, E Axente, I N Mihailescu
1National Institute for Lasers, Plasma and Radiations Physics, P.O. Box MG 36, Bucharest 77125, Romania. eniko@ifin.nipne.ro
Journal of Materials Science. Materials in Medicine
|October 5, 2007
Summary
Matrix-assisted pulsed laser deposition (PLD) created creatinine thin films for biosensors. The study optimized film properties by varying laser fluence and target preparation for improved enzyme-based applications.
Area of Science:
- Materials Science
- Biotechnology
- Analytical Chemistry
Background:
- Enzyme-based biosensors require stable and well-characterized active layers.
- Pulsed laser deposition (PLD) is a versatile technique for thin film fabrication.
- Matrix-assisted PLD (MAPL) offers a method for depositing sensitive biomaterials.
Purpose of the Study:
- To synthesize creatinine thin films using matrix-assisted PLD (MAPL).
- To investigate the influence of laser fluence and target preparation on film characteristics.
- To evaluate the suitability of these films for enzyme-based biosensor applications.
Main Methods:
- Thin films were synthesized using UV KrF* excimer laser (248 nm) on frozen composite targets.
- Incident laser fluences ranged from 0.3 to 0.5 J/cm².
- Surface morphology, chemical composition, and structure were analyzed using SEM, FTIR, and EDX.
Main Results:
- MAPL successfully produced creatinine thin films.
- Film properties varied with target preparation and laser fluence.
- Characterization confirmed the deposition of biomaterial thin films.
Conclusions:
- Matrix-assisted pulsed laser deposition is a viable method for creating creatinine thin films.
- Optimizing laser fluence and target composition is crucial for desired film properties.
- These creatinine films show potential for enzyme-based biosensor development.
