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用于植物刺激剂应用的由硅砂大规模合成纳米二氧化硅

Large-Scale Synthesis of Nanosilica from Silica Sand for Plant Stimulant Applications.

作者信息

Hoang Cao Van, Thoai Dang Nguyen, Cam Nguyen Thi Dieu, Phuong Tran Thi Thu, Lieu Nguyen Thi, Hien Tran Thi Thu, Nhiem Dao Ngoc, Pham Thanh-Dong, Tung Mai Huynh Thanh, Tran Nguyen Thi To, Mechler Adam, Vo Quan V

机构信息

Quy Nhon University, Quy Nhon, Binh Dinh 590000, Vietnam.

Institute Materials Sciences, Vietnam Academy of Science and Technology, Ha Noi 100000, Vietnam.

出版信息

ACS Omega. 2022 Nov 2;7(45):41687-41695. doi: 10.1021/acsomega.2c05760. eCollection 2022 Nov 15.

DOI:10.1021/acsomega.2c05760
PMID:36406494
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9670276/
Abstract

Nanosilica is a versatile nanomaterial suitable as, e.g., drug carriers in medicine, fillers in polymers, and fertilizer/pesticide carriers and potentially a bioavailable source of silicon in agriculture. The enhanced biological activity of nanosilica over quartz sand has been noted before; it is directly related to the altered physicochemical properties of the nanoparticles compared to those of the bulk material. Therefore, it is feasible to use nanosilica as a form of plant stimulant. Nanosilica synthesis is a relatively cheap routine process on the laboratory scale; however, it is not easily scalable. Largely for this reason, studies of nanosilica fertilizers are scarce. This study will focus on industrial-scale silica nanoparticle production and the application of nanosilica as a plant stimulant in maize. A variant of the sol-gel method is used to successfully synthesize nanosilica particles starting from silica sand. The resulting particles are in the size range of 16-37 nm with great purity. The potential of nanosilica as a plant stimulant is demonstrated with the increased quantity and quality of maize crops.

摘要

纳米二氧化硅是一种用途广泛的纳米材料，例如，可作为医学中的药物载体、聚合物中的填料、肥料/农药载体，在农业中还可能是一种可生物利用的硅源。之前已经注意到纳米二氧化硅比石英砂具有更强的生物活性；这与纳米颗粒相比块状材料改变的物理化学性质直接相关。因此，将纳米二氧化硅用作植物刺激剂的一种形式是可行的。纳米二氧化硅的合成在实验室规模上是一个相对廉价的常规过程；然而，它不容易扩大规模。很大程度上由于这个原因，关于纳米二氧化硅肥料的研究很少。本研究将专注于工业规模的二氧化硅纳米颗粒生产以及纳米二氧化硅作为植物刺激剂在玉米中的应用。采用溶胶 - 凝胶法的一种变体，成功地从硅砂开始合成了纳米二氧化硅颗粒。所得颗粒尺寸在16 - 37纳米范围内，纯度很高。玉米作物的数量和质量增加证明了纳米二氧化硅作为植物刺激剂的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/4e375f3e01ff/ao2c05760_0012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/0be4790af6bd/ao2c05760_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/bf3bbcc3b0f9/ao2c05760_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/6e7bd5522158/ao2c05760_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/7c0d0d48d5cc/ao2c05760_0009.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/d44b6c6bdb3c/ao2c05760_0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b82/9670276/4e375f3e01ff/ao2c05760_0012.jpg

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