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Scientists may be overestimating the amount of microplastics in the environment – and the culprit is lab gloves
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Researchers found that particles shed from certain laboratory gloves closely resemble microplastics under analysis and can contaminate environmental samples, suggesting that published estimates of microplastic concentrations in nature may be inflated by this widespread lab artifact.
Tiny particles from certain lab gloves look like microplastics, and they can contaminate samples, new study finds.
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When Good Intentions Go Bad—False Positive Microplastic Detection Caused by Disposable Gloves
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Researchers tested whether disposable laboratory gloves and common reagents could contaminate microplastic samples, finding that gloves are a significant source of false positives that can be misidentified as microplastics during analysis.
How do you study microplastics when they’re everywhere?
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Researchers investigating microplastic contamination face a fundamental methodological challenge: the very gloves, water, and lab reagents used to prepare samples can themselves introduce microplastics, while the field still lacks standardized analytical protocols—making it difficult to generate the robust, reproducible exposure data needed to assess human and ecosystem risk.
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.
Microplastics are overestimated due to poor quality control of reagents
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This study demonstrated that inadequate quality control of chemical reagents used in microplastic analysis can introduce contamination that leads to systematic overestimation of microplastic concentrations in environmental samples, highlighting a critical methodological flaw in the field.
Microplastic pollution is everywhere, but scientists are still learning how it harms wildlife
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A broad review of wildlife studies finds that microplastics frequently cause negative biological effects including reduced reproduction, altered feeding behavior, and physical damage, though results vary considerably across species and plastic types. The inconsistency highlights the need for standardized research methods to better understand which organisms and exposure levels pose the greatest ecological risk.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.