Carbon nanoparticles in ‘biochar’ boost wheat (Triticum aestivum) plant growth

Saxena, Manav; Maity, Sheli; Sarkar, Sabyasachi

doi:10.1039/c4ra06535b

Cited by 128 publications

(69 citation statements)

References 33 publications

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“…The understanding that biochar is a heterogeneous aggregation of particles with different sizes that have gradually replaced the previous recognition (Zhang et al 2019). Beside bulk biochar, small-sized biochar (dissolved and nanometer-scale biochar) has also been found to be an important component of biochar (Kang et al 2015;Lian and Xing 2017;Oleszczuk et al 2016;Saxena et al 2014;Sigmund et al 2017;Spokas et al 2014;Wang et al 2012Wang et al , 2013Yue et al 2019;Zhang et al 2019).…”

Section: Macroscopic: Bulk Biochar Dissolved and Nano-biocharmentioning

confidence: 99%

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Wang

et al. 2020

Biochar

137

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The development of biochar has triggered a hot-spot in various research fields including agriculture, energy, environment, and materials. Biochar-based materials provide a novel approach against environmental challenging issues. Considering the rapid development of biochar materials, this review serves as a valuable platform to summarize the recent progress on the theoretical investigation and engineering applications of biochar materials in environmental remediation. For a better understanding of the structure-application relationships, the structural properties of biochar from macroscopic and microscopic aspects are summarized. The multilevel structures including elements, phases, surface chemistry, and molecular are highlighted to elucidate the multi-functional properties of biochars. Sorption, catalysis, redox reaction, and biological activity of biochar are briefly illustrated, which influence the transport, transformation, and removal of organic and inorganic pollutants in the environments. According to the multi-level structures and structure-application relationships of biochar, specific biocharbased materials and devices have been designed for practical environmental application. The important progress on the functionalization and device of biochar-based materials, including magnetic biochars, 2D and 3D biochar-based macrostructures, immobilized microorganism on biochar, and biochar-amended biofilters are highlighted. The environmental friendliness and sustainability of biochar-based materials, considering the whole cycle from synthesis to application, are evaluated.

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Section: Macroscopic: Bulk Biochar Dissolved and Nano-biocharmentioning

confidence: 99%

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Wang

et al. 2020

Biochar

137

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“…In the fruit tissue, fullerol exposure significantly increased the content of cucurbitacin-B (74%) and lycopene (82%), both of which are anticancer compounds, and the antidiabetic molecules Charantin and insulin were increased by 20 and 91%, respectively ( Kole et al, 2013 ). Saxena et al (2014) examined the concentration dependent effects of water-soluble CNPs (ws-CNPs) on wheat. The ws-CNPs were isolated from naturally occurring raw CNPs present in biochar.…”

Section: Effects Of Cnms In Plantsmentioning

confidence: 99%

Carbon Nanomaterials in Agriculture: A Critical Review

et al. 2016

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There has been great interest in the use of carbon nano-materials (CNMs) in agriculture. However, the existing literature reveals mixed effects from CNM exposure on plants, ranging from enhanced crop yield to acute cytotoxicity and genetic alteration. These seemingly inconsistent research-outcomes, taken with the current technological limitations for in situ CNM detection, present significant hurdles to the wide scale use of CNMs in agriculture. The objective of this review is to evaluate the current literature, including studies with both positive and negative effects of different CNMs (e.g., carbon nano-tubes, fullerenes, carbon nanoparticles, and carbon nano-horns, among others) on terrestrial plants and associated soil-dwelling microbes. The effects of CNMs on the uptake of various co-contaminants will also be discussed. Last, we highlight critical knowledge gaps, including the need for more soil-based investigations under environmentally relevant conditions. In addition, efforts need to be focused on better understanding of the underlying mechanism of CNM-plant interactions.

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“…Finally, at the end these regular structures may be driven to more stable network structure with the creation of extended dead-end network structure losing normal characteristics of DNA. As wsCNO is shown to be dose-dependent non-toxic (Ghosh et al 2011;Saxena et al 2013Saxena et al , 2014 it will be challenging to explore the interaction of wsCNO with rouged DNA to control their unwanted proliferation in certain cell growth and preventing such viral DNA replication in well-known diseases.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, the dose-dependent non-toxic and toxic use of wsCNO has also been reported in imaging the life cycle and controlling the population of mosquito, respectively (Saxena et al 2013). In the plant system there has been a report for an optimum concentration threshold for the beneficial use of wsCNO (Saxena et al 2014). These reports clearly suggest that there is a concentration window in the use of nano carbon and exceeding the limit it has deleterious effect to biological systems.…”

Section: Introductionmentioning

confidence: 95%

DNA–carbon nano onion aggregate: triangle, hexagon, six-petal flower to dead-end network

Babar

Pakhira²,

Sarkar

2017

Appl Nanosci

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The interaction between calf-thymus (CT) dsDNA and water soluble carbon nano onion (wsCNO) in water follows denaturation of dsDNA (double stranded) to ssDNA (single stranded) as monitored by optical spectroscopy. The ssDNA concomitantly wraps the spiky surface of wsCNO to create triangular aggregate as the building block as observed by time-dependent SEM images. These triangles further aggregate leading to six-petal flower arrangement via hexagon and finally reach a dead end network as imaged by SEM and optical fluorescence microscopy. The dead-end network aggregate lost the intrinsic optical property of DNA suggesting complete loss of its activity.

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Carbon nanoparticles in ‘biochar’ boost wheat (Triticum aestivum) plant growth

Cited by 128 publications

References 33 publications

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Application of biochar-based materials in environmental remediation: from multi-level structures to specific devices

Carbon Nanomaterials in Agriculture: A Critical Review

DNA–carbon nano onion aggregate: triangle, hexagon, six-petal flower to dead-end network

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