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Capacidad de biodegradación de Pseudomonas aeruginosa frente al polietileno de baja densidad

Authors: Butron Pinazo, Sandra Beatriz;

Capacidad de biodegradación de Pseudomonas aeruginosa frente al polietileno de baja densidad

Abstract

La biodegradación del polietileno de baja densidad por microorganismos, es una solución para reducir la contaminación por plásticos constituyéndose una alternativa importante desde el punto de vista del medio ambiente y de la salud humana; la investigación tuvo como objetivo evaluar la capacidad de biodegradación de Pseudomonas aeruginosa frente al polietileno de baja densidad; la bacteria fue aislada de residuos plásticos obtenidos del botadero de Cancharani de la ciudad de Puno, el aislamiento e identificación taxonómica se realizó en base a características macroscópicas de crecimiento en placa y el estudio microscópico empleando la tinción de Gram; la adaptación de la cepa bacteriana se realizó en un medio mineral con partículas de polietileno de baja densidad; la capacidad biodegradativa se determinó a temperaturas de 25 y 35°C con un pH de 5.0 y 7.0, durante 30 días, obteniendo como resultados un porcentaje de 21.7% y 27.3% de pérdida de peso a una temperatura de 25°C y 35°C respectivamente a un pH de 7.0. Además, se evidenció la viabilidad de la biopelícula con microscopio de fluorescencia. Pseudomonas aeruginosa demostró tener capacidad de biodegradación en un rango de temperatura de 25-35°C.

Tesis

Country
Cuba
Keywords

Ciencia, Ciencia, Tecnología y Medio Ambiente, Evaluación tecnológica y del medio ambiente, Tecnología y Medio Ambiente, Biodegradación

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green