Biochar Reduces Nanoplastics Uptake by Lettuce and Alleviates Its Toxicity to the Plant
Journal of Agricultural and Food Chemistry2026
Score: 50
?
0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Mahmoud Y. El Zanaty,
Arturo A. Keller,
Mahmoud Y. El Zanaty,
Arturo A. Keller,
Junjie Tang,
Anwar A. Aly,
Junjie Tang,
Chuanxin Ma,
Chuanxin Ma,
Junjie Tang,
Junjie Tang,
Arjun S. Kulathuvayal,
Junjie Tang,
Junjie Tang,
Chuanxin Ma,
Baoshan Xing,
Baoshan Xing,
Baoshan Xing,
Mahmoud Y. El Zanaty,
Baoshan Xing
Mahmoud Y. El Zanaty,
Chuanxin Ma,
C. Y. Liu,
Baoshan Xing
Zeyu Cai,
Chuanxin Ma,
Zeyu Cai,
Zeyu Cai,
Chuanxin Ma,
Chuanxin Ma,
C. Y. Liu,
Baoshan Xing
Baoshan Xing
Chuanxin Ma,
Baoshan Xing,
Chuanxin Ma,
Arjun S. Kulathuvayal,
Chuanxin Ma,
Baoshan Xing,
Zeyu Cai,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Yanqing Su,
Yanqing Su,
Joan E. McLean,
Yanqing Su,
Yanqing Su,
Chuanxin Ma,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Chuanxin Ma,
Chuanxin Ma,
Yanqing Su,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing
Chuanxin Ma,
Baoshan Xing,
Joan E. McLean,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Ibukunoluwa Salako,
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Chuanxin Ma,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Chuanxin Ma,
Arturo A. Keller,
Zeyu Cai,
Baoshan Xing,
Baoshan Xing,
Jennifer Weidhaas,
Baoshan Xing,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing
Chuanxin Ma,
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Zeyu Cai,
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing,
Joan E. McLean,
Chuanxin Ma,
Baoshan Xing,
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing,
Chuanxin Ma,
Arturo A. Keller,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing,
Arturo Keller,
Baoshan Xing
Baoshan Xing
Baoshan Xing
Baoshan Xing,
Baoshan Xing
Baoshan Xing,
Yiming Su,
Baoshan Xing
Baoshan Xing
Y. T. Su,
Y. T. Su,
Baoshan Xing
Baoshan Xing
Summary
Researchers tested whether biochar could reduce nanoplastic uptake by lettuce and found that iron-doped biochar was particularly effective, lowering nanoplastic concentrations in leaves by approximately 60%. Both regular and iron-doped biochar also helped alleviate nanoplastic-induced metabolic disturbances in the plants and partially restored soil enzyme activity.
The accumulation of micro- and nanoplastics (MPs/NPs) in croplands threatens food quality and human health. This study investigates the effectiveness of pristine biochar (BC) and iron-doped biochar (Fe-BC), produced from pine sawdust via one-step pyrolysis, in reducing NPs uptake by lettuce (<i>Lactuca sativa L. var. adela</i>). Fe-BC exhibited greater porosity, higher surface area, and a slightly positive surface charge compared to BC. Using Pd-doped NPs, we confirmed that NPs can penetrate roots and translocate to leaves, accumulating more in older tissues. Soil application of 3 wt % BC or Fe-BC significantly lowered leaf NPs concentrations, with Fe-BC showing a greater reduction, by approximately 60% (from 0.90 to 0.36 mg/kg). While both BC and Fe-BC demonstrated a capacity for alleviating NPs-induced metabolic disturbances and partially restoring soil enzyme activities, Fe-BC presents a more promising amendment for mitigating NPs contamination and protecting crop quality.