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One-step hydrothermal synthesis of chiral carbon dots and their effects on mung bean plant growth

Abstract

Chiral compounds/materials have important effects on the growth of plants. Chiral carbon dots (CDs), as an emerging chiral carbon nanomaterial, have great potential in bio-application and bio-nanotechnology. Herein, we reported a hydrothermal method to synthesize chiral CDs from cysteine (cys) and citric acid. These chiral CDs were further demonstrated to have systemic effects on the growth of mung bean plant, in which case both of L- and D-CDs can promote the growth of mung bean plants in root and stem length of mung bean sprouts and water absorption of bean seeds. The elongation of mung bean sprouts presented an increasing trend up to the treatment of chiral CDs below 500 µg/mL. Furthermore, In the optimal concentration (100 µg/mL), the L-CDs can improve root vigor and the activity of Rubisco enzyme of bean sprouts by 8.4% and 20.5%, while the D-CDs increased by 28.9% and 67.5%. Due to more superior properties in improving root vigor and the activity of Rubisco enzyme of mung bean sprouts, D-CDs are able to enhance photosynthesis better and accumulate more carbohydrate of mung bean plants.

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Publication details

The article was received on 26 Feb 2018, accepted on 01 Jun 2018 and first published on 04 Jun 2018


Article type: Paper
DOI: 10.1039/C8NR01644E
Citation: Nanoscale, 2018, Accepted Manuscript
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    One-step hydrothermal synthesis of chiral carbon dots and their effects on mung bean plant growth

    M. Zhang, L. hu, H. Wang, Y. Song, Y. Liu, H. Li, M. Shao, H. Huang and Z. Kang, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR01644E

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