Differentiation 2023 Jan 01;130:1-6. doi: 10.1016/j.diff.2022.11.001.

Facile methods for reusing laboratory plastic in developmental biology experiments.

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Plastic pollution negatively affects ecosystems and human health globally, with single-use plastic representing the majority of marine litter in some areas. Life science laboratories prefer pristine conditions for experimental reliability and therefore make use of factory standardized single-use plastic products. This contributes to overall plastic waste in the United States and globally. Here, we investigate the potential of reusing plastic culture dishes and subsequently propose methods to mitigate single-use plastic waste in developmental biology research laboratories. We tested the efficacy of bleach and ethyl alcohol in sterilizing used dishes. We then tested the feasibility of washing and reusing plastic to culture Xenopus laevis embryos subjected to various manipulations. Cleaning and reusing laboratory plastic did not affect the development or survival of X. laevis, indicating that these cleaning methods do not adversely affect experimental outcome and can be used to sterilize plastic before reuse or recycling. Lastly, we performed a survey of various life science laboratories to estimate both waste reduction and savings associated with recycling single-use plastics. Standardization of these procedures would allow research laboratories to benefit economically while practicing environmentally conscious consumption.

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Species referenced: Xenopus laevis