51福利社

Pollution released from our textiles is smaller and more irregular in shape than previously thought, according to new research led by 51福利社. 

In a study published in , 51福利社 researchers - in collaboration with researchers from the University of East Anglia and 51福利社 Metropolitan University - have developed a new fluorescence based method that dramatically improves the detection of microfibres released from textiles during washing and wear. The findings suggest that conventional testing methods may have been missing a large proportion of the smallest fibre fragments, the particles most likely to persist in the environment and enter living organisms. 

Every time clothes are worn or washed, microscopic fibres shed from fabrics and enter water, air and soil. Until now, accurately measuring the smallest of these fibres has been extremely difficult, limiting our understanding of their true environmental impact. 

The developed approach involves dyeing polyester textiles with a fluorescent disperse dye before washing. When combined with semiautomated microscopy and fibre counting software, the method makes even tiny, irregularly shaped fibres and fragment of the fabric clearly visible. Using this technique, the researchers detected up to almost three times more microfibres (up to ~280% more fibres detected) than previously used standard analysis methods. 

Crucially, the study also reveals that textile pollution is not made up of uniform, thread鈥憀ike fibres alone. Instead, it includes a wide range of fragment shapes and sizes that have previously gone undetected 鈥� a finding that could have important implications for how pollution behaves in ecosystems and interacts with living organisms.

Routine monitoring of fibre release is considered essential for designing more sustainable textiles and informing policies aimed at reducing pollution at source. However, existing methods are time consuming, prone to bias and vulnerable to contamination. 

By adapting industrial dyeing techniques used in textile manufacturing and combining them with established microplastic analysis methods, the research bridges fashion technology and environmental science to overcome these barriers. The result is a faster, more reliable way to measure microfibre emissions under real world conditions such as washing and mechanical stress. 

The researchers say the method could support better eco-design of textiles, improve testing standards and inform future regulation 鈥� including policies such as extended producer responsibility. It may also help guide the development of technologies designed to capture fibres, such as washing machine filters. 

鈥淚f we want to reduce microfibre pollution, we need reliable ways to measure it,鈥� Dr Allen added. 鈥淭his approach opens the door to routine testing that reflects what鈥檚 really being released into the environment 鈥� not just what鈥檚 easiest to see.鈥�