Humic Substance Mediator

Cut lake N2O emissions

Mediates extracellular electron transfer to drive denitrification in lake sediments, enriching nosZII-type reducers and simultaneously mitigating N2O emissions.

Song, Kang · Wang, Yuren · Deng, Min · Yongxia, Huang · Li, Lu · Wu, Fengchang

Nature Communications 2025

Advantages

Significantly enhances denitrification

Mitigates emissions of the greenhouse gas nitrous oxide

Enriches nosZII-type reducers

Efficacy attenuates in sediment with high native HS concentration