Green and Sustainable Copper‐Based Nanomaterials – An Environmental Perspective

Singh, Santosh Bahadur

doi:10.1002/9781119528463.ch7

Cited by 3 publications

(4 citation statements)

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“…Nanomaterials (NMs) can be introduced in plant growth systems as nanofertilizers, nanopesticides, and nanobiosensors . Copper oxide nanoparticles (nCuO) may serve as nanofertilizers by providing important micronutrients for plants, as well as nanopesticides because of antimicrobial properties . Moreover, nCuO has been studied to remove As from water systems. , All of these functions allow nCuO to improve rice plant growth, reduce As uptake into rice plants, and diminish As accumulation in the grains.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, nCuO has been studied to remove As from water systems. , All of these functions allow nCuO to improve rice plant growth, reduce As uptake into rice plants, and diminish As accumulation in the grains. In addition to the intentional applications, the unintentional discharge of nCuO is likely to increase because of emerging applications of its unique properties and high sustainability (wide-range industrial suitability, 100% recyclability, abundant availability, and effective antimicrobial properties) . Although some studies have evaluated effects of NMs or As on the life cycle of rice plants, no studies have described the interaction of nCuO and As during the life cycle growth of rice plants. − The uptake, transport, and speciation of NMs in plants are also dependent on species and growth medium conditions.…”

Section: Introductionmentioning

confidence: 99%

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Distribution and Speciation of Copper and Arsenic in Rice Plants (Oryza sativa japonica ‘Koshihikari’) Treated with Copper Oxide Nanoparticles and Arsenic during a Life Cycle

Liu

Wolfe

Potter

et al. 2019

Environ. Sci. Technol.

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A 6 × 2 factorial study was conducted to investigate the effects of copper oxide nanoparticles (nCuO, 0–100 mg/L), arsenic (As, 0–10 mg/kg), and their interaction on uptake, distribution, and speciation of Cu and As in rice plants (Oryza sativa japonica ‘Koshihikari’). Arsenic (in As-addition treatments) and Cu in seedling roots (SRs) were 1.45 and 1.58 times those in soil, respectively. Arsenic and Cu concentrations further increased in mature plant roots (MRs), which were 2.06 and 2.35 times those in soil, respectively. Arsenic and Cu concentrations in seedling shoots (SSs) were 79% and 54% lower than those in SRs, respectively. The mature stems, however, contained only 3% and 44% of As and Cu in SSs. Copper in flag leaves did not vary much compared to that in stems, whereas As was 14.5 times that in stems. Species transformations of Cu and As were observed in rice including reductions of Cu(II) to Cu(I) and As(V) to As(III). Arsenic in dehusked grains was negatively correlated with Cu and was lowered by nCuO below the WHO (World Health Organization) maximum safe concentration for white rice (200 ng/g). This may alleviate As adverse effects on humans from rice consumption.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Distribution and Speciation of Copper and Arsenic in Rice Plants (Oryza sativa japonica ‘Koshihikari’) Treated with Copper Oxide Nanoparticles and Arsenic during a Life Cycle

Liu

Wolfe

Potter

et al. 2019

Environ. Sci. Technol.

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“…Studies have evaluated the application of iron-, manganese-, siliconcontaining nanoparticles (NPs), and other nanocomposites to remediate As in soil or to alleviate As phytotoxicity and accumulation in rice plants (Wang et al 2017;Yu et al 2017;Li et al 2019). Copper oxide nanoparticles (nCuO) have been widely used in many industries including human health sanitation and environmental remediation (Grigore et al 2016;Singh 2018) and nCuO also has the potential to remediate As contamination in rice paddies (Liu et al 2018c). Nevertheless, scarce research has been conducted to characterize the interaction of nCuO and As on rice plants (Liu et al 2018b).…”

Section: Introductionmentioning

confidence: 99%

“…Nanomaterials (NMs) are promising alternatives to conventional environmental remediation methods (e.g., water purification by removal of heavy metals and other pollutants, removal of pathogenic microorganisms, detoxification of toxic contamination, etc. ; Adeleye et al 2016;Guerra et al 2018;Singh 2018). Compared with traditional strategies, NMs are more cost-effective for removing toxicants and pathogens.…”

Section: Introductionmentioning

confidence: 99%

Exposure to Copper Oxide Nanoparticles and Arsenic Causes Intergenerational Effects on Rice (Oryza sativa japonicaKoshihikari) Seed Germination and Seedling Growth

Liu

Wolfe

Cobb

2019

Enviro Toxic and Chemistry

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Offspring generation (F1) rice (Oryza sativa japonica Koshihikari) seed germination and seedling growth tests were conducted for 18 d to investigate intergenerational effects of arsenic (As) and copper oxide nanoparticles (nCuO), with seeds harvested from a life cycle study exposed to As (0 and 10 mg/kg) and nCuO (0, 0.1, 1.0, 10, 50, and 100 mg/L). Seed germination and seedling growth of F1 plants were influenced by treatments experienced by parent generation (F0) plants (p < 0.05). Seeds produced from plants in F0 treatment with nCuO 50 mg/L had the lowest germination percentage and shortest seedling shoot length and root length in F1 control (F1C) and As at 10 mg/kg (F1As) alone treatments (p < 0.05). The shoot length and root length were decreased, whereas the number of root branches was increased in F1As treatment compared with F1C (p < 0.001). Interaction of As and nCuO also caused differential seed germination and seedling growth at various nCuO concentrations in quasi‐F0 treatment (seeds receiving the same exposure as F0 plants; p < 0.05). Copper and As uptake in F1C seedlings were not affected by seeds’ F0 exposure; this indicated that the transgenerational effects on rice seedling growth were not dependent on total Cu or As uptake in seedlings. The enhanced effects on seedlings from quasi‐F0 treatment were influenced by additional exposure to nCuO and As that also interacted to affect Cu and As uptake in seedlings. Environ Toxicol Chem 2019;38:1978–1987. © 2019 SETAC.

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Enhancing chromium resistance and bulb quality in onion (Allium cepa L.) through copper nanoparticles and possible health risk

Naseem,

Naveed,

Asif

et al. 2024

BMC Plant Biol

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Chromium (Cr) is a toxic metal in soil–plant system, hence causing possible health risks prominently in the areas with forgoing industrial activities. Copper nanoparticles (Cu NPs) have been reported as an excellent adsorbent for pollutants. Therefore, this study investigates how copper nanoparticles enhance onion growth while decreasing chromium uptake in onion plants. Additionally, it examines the potential health risks of consuming onion plants with elevated chromium levels. The results demonstrated that the addition of CuNPs at 15 mg kg −1 significantly improved the plant height (48%), leaf length (37%), fresh weight of root (61%), root dry weight (70%), fresh weight of bulb (52%), bulb dry weight (59%), leaves fresh weight (52%) and dry weight of leaves (59%), leaf area (72%), number of onion leaves per plant (60%), Chl. a (42%), chl. b (36%), carotenoids (40%), total chlorophyll (40%), chlorophyll contents SPAD value (56%), relative water contents (35%), membrane stability index (16%), total sugars (25%), crude protein (21%), ascorbic acid (19%) and ash contents (64%) at 10 mg kg −1 Cr. Whereas, maximum decline of Cr by 46% in roots, 68% in leaves and 92% in bulb was found with application of 15 mg kg −1 of Cu NPs in onion plants under 10 mg kg −1 Cr toxicity. The health risk assessment parameters of onion plants showed minimum values 0.0028 for average daily intake (ADI), 0.001911 for Non-cancer risk (NCR), and 0.001433 for cancer risk (CR) in plants treated with Cu NPs at 15 mg kg −1 concentration grown in soil spiked with 10 mg kg −1 chromium. It is concluded that Cu NPs at 15 mg kg −1 concentration improved growth of plants in control as well as Cr contaminated soil. Therefore, use of Cu NPs at 15 mg kg −1 concentration is recommended for improving growth of plants under normal and metal contaminated soils.

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Green and Sustainable Copper‐Based Nanomaterials – An Environmental Perspective

Cited by 3 publications

References 57 publications

Distribution and Speciation of Copper and Arsenic in Rice Plants (Oryza sativa japonica ‘Koshihikari’) Treated with Copper Oxide Nanoparticles and Arsenic during a Life Cycle

Distribution and Speciation of Copper and Arsenic in Rice Plants (Oryza sativa japonica ‘Koshihikari’) Treated with Copper Oxide Nanoparticles and Arsenic during a Life Cycle

Exposure to Copper Oxide Nanoparticles and Arsenic Causes Intergenerational Effects on Rice (Oryza sativa japonicaKoshihikari) Seed Germination and Seedling Growth

Enhancing chromium resistance and bulb quality in onion (Allium cepa L.) through copper nanoparticles and possible health risk

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