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Reuse of consumable pipette tips for large-scale trace analysis of contaminants of emerging concern in wastewater
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Researchers demonstrated that pipette tips used in trace chemical analysis can be safely cleaned and reused by washing with a 50:50 ethanol-water solution, reducing plastic laboratory waste without compromising analytical performance for emerging contaminants in wastewater.
This study shows that solvent-based washing enables safe pipette tip reuse for trace chemical analysis, with EtOH : H 2 O (50 : 50, v/v) providing the best balance of cleaning, and sustainability, reducing plastic waste without performance loss.
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Reducing laboratory plastic waste: reuse of consumable pipette tips for trace chemical analysis.
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Scientists have developed a cleaning method that lets labs safely reuse plastic pipette tips (small plastic nozzles used to measure liquids) instead of tossing them after one use, cutting down on plastic waste and carbon emissions. This matters because labs generate huge amounts of single-use plastic waste, and less plastic waste means fewer plastics ending up in landfills, waterways, and eventually breaking down into microplastics that can enter our food and water supply. The catch: reuse only works well for certain chemical tests, so labs need to check it's right for their specific work before adopting it.
Greening automation: Wash and Re-use of disposable 384-well liquid handling tips to enable sustainable high-throughput vaccine development
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Researchers developed a protocol for washing and reusing disposable plastic tips in automated laboratory workflows for vaccine development, significantly reducing single-use plastic waste. The approach demonstrates that laboratory plastic consumption can be substantially cut without compromising analytical accuracy.
Common laboratory reagents: Are they a double-edged sword in microplastics research?
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This study tested whether common laboratory reagents themselves are contaminated with microplastics and found measurable plastic particles in several widely used chemicals, raising the concern that lab reagents could be an overlooked source of contamination in microplastic research.
Analysis of microplastics and nanoplastics: How green are the methodologies used?
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This review evaluated the environmental footprint of the analytical methods used to study microplastics and nanoplastics, finding that many standard protocols rely on hazardous chemicals and high energy use, and recommending greener methodological alternatives.
Validation of Sample Preparation Methods for Microplastic Analysis in Wastewater Matrices—Reproducibility and Standardization
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Sample preparation methods for microplastic analysis in wastewater were validated against reference standards to assess recovery rates and reproducibility. The validation study identified methods that reliably extract microplastics from complex wastewater matrices, supporting more consistent environmental monitoring of microplastic discharge from treatment plants.
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