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氨基酸辅助合成碳点：植物组织培养基中增强细胞效应和生物技术进步的新范例。

Amino acid assisted synthesis of CDs: a novel paradigm in plant tissue culture media for enhanced cellular effects and biotechnological advancements.

作者信息

Annmary C, Joseph Bitty, Simi N J, Ison V V

机构信息

Centre for Nano Bio Polymer Science and Technology, Department of Physics, St. Thomas College Palai Kerala 686574 India

Department of Physics, St. George's College Aruvithura Kerala 686122 India.

出版信息

RSC Adv. 2025 Jan 28;15(4):2759-2765. doi: 10.1039/d4ra08776c. eCollection 2025 Jan 23.

DOI:10.1039/d4ra08776c
PMID:39877700
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11774188/
Abstract

We report a green approach to prepare carbon dots (CDs) with fresh tomatoes as carbon sources and amino acids as dopants (ACDs) by a microwave assisted method. The synthesised CDs were analysed by UV-visible absorption spectroscopy, photoluminescence spectroscopy, high resolution transmission electron spectroscopy, X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photo electron spectroscopy. An MTT assay was used to evaluate the cytotoxicity of CDs toward L929 cells and found that CDs exhibit low cytotoxicity. The effects of ACDs on seed germination were evaluated by treating pea seeds with various concentrations of CDs. The results demonstrated a significant increase in germination and seedling vigour compared to untreated controls. Subsequently, the application of ACDs was extended to plant tissue culture. Explants treated with ACDs exhibited enhanced growth and development, indicating improved morphogenesis and proliferation rates. This study highlights the potential of ACDs as an efficient, non-toxic growth promoter in both seed germination and plant tissue culture, paving the way for their application in sustainable agriculture and plant biotechnology.

摘要

我们报道了一种绿色方法，通过微波辅助法，以新鲜番茄为碳源、氨基酸为掺杂剂制备碳点（ACDs）。通过紫外可见吸收光谱、光致发光光谱、高分辨率透射电子光谱、X射线衍射、傅里叶变换红外光谱、X射线光电子能谱对合成的碳点进行了分析。采用MTT法评估碳点对L929细胞的细胞毒性，发现碳点具有低细胞毒性。通过用不同浓度的碳点处理豌豆种子，评估了ACDs对种子萌发的影响。结果表明，与未处理的对照相比，发芽率和幼苗活力显著提高。随后，ACDs的应用扩展到植物组织培养。用ACDs处理的外植体表现出增强的生长和发育，表明形态发生和增殖率得到改善。这项研究突出了ACDs作为种子萌发和植物组织培养中一种高效、无毒生长促进剂的潜力，为其在可持续农业和植物生物技术中的应用铺平了道路。

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