Engineered nanomaterials and the microbiome: Implications for human health

Zickgraf, Franziska Maria; Murali, Aishwarya; Landsiedel, Robert

doi:10.1016/j.cotox.2023.100429

Cited by 3 publications

(2 citation statements)

References 86 publications

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“…The ecotoxicological consequences of NMs exposure can be linked to the food chain, which threatens both global food safety and the entire environment due to their detrimental impacts in various walks of life, i.e., farms, households, and industry. Hence, there are many limitations that should be considered before the extended use of NMs under normal and stress conditions, such as comprehensive analyses of NMs to assess their implications for human health [166,167], the focus on sustainable production of nano-agrochemicals for multiple farming practices [78]), the multiple-facet role of applied NPs in combating stress, their phytotoxicity, and their anti-microbial activity [168], activating the role of the agri-extension sector in increasing the awareness of farmers and others towards the hazards of nanotoxicity [34,169]), etc. More studies are urgently needed on possible interactions between toxic NMs (when they are applied at higher doses and/or after their accumulation in the agroecosystem) and soil salinity toxicity.…”

Section: Future Perspectivesmentioning

confidence: 99%

Nano-Management Approaches for Salt Tolerance in Plants under Field and In Vitro Conditions

Sári,

Ferroudj,

Abdalla

et al. 2023

Agronomy

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Soil salinity is a serious global problem that threatens a high percentage of the global soils. Salinity stress can create ionic, oxidative, and osmotic stress, along with hormonal imbalances, in stressful plants. This kind of stress was investigated on agricultural productivity at different levels, starting in vitro (plant tissue culture), through hydroponics, pots, and field conditions. Several approaches were studied for managing salinity stress, including using traditional materials (e.g., gypsum, sulfur), organic amendments (e.g., compost, biochar, chitosan), and applied manufactured or engineered nanomaterials (NMs). Application of nanomaterials for ameliorating salinity stress has gained great attention due to their high efficiency, eco-friendliness, and non-toxicity, especially biological nanomaterials. The application of NMs did not only support growing stressful plants under salinity stress but also increased the yield of crops, provided an economically feasible nutrient management approach, and was environmentally robust for sustainable crop productivity. Nano-management of salinity may involve applying traditional nano-amendments, biological nanomaterials, nano-enabled nutrients, nano-organic amendments, derived smart nanostructures, and nano-tolerant plant cultivars. Producing different plant cultivars that are tolerant to salinity can be achieved using conventional breeding and plantomics technologies. In addition to the large-scale use of nanomaterials, there is an urgent need to address and treat nanotoxicity. This study aims to contribute to this growing area of research by exploring different approaches for nano-management of current practices under salinity stress under field and in vitro conditions. This study also raises many questions regarding the expected interaction between the toxic effects of salinity and NMs under such conditions. This includes whether this interaction acts positively or negatively on the cultivated plants and soil biological activity, or what regulatory ecotoxicity tests and protocols should be used in research.

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Section: Future Perspectivesmentioning

confidence: 99%

Nano-Management Approaches for Salt Tolerance in Plants under Field and In Vitro Conditions

Sári,

Ferroudj,

Abdalla

et al. 2023

Agronomy

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“…Synthetic silicas in particular are considered the standard in the field of flow additives. Due to significantly decreasing customer acceptance, bans in some areas and critical studies, e.g., (Winkler et al, 2017;Yoo et al, 2022;Zickgraf et al, 2023), their use in the food industry is a sensitive topic. The development of clean-label-capable flow additives from foodstuffs is a forward-looking idea to meet technical requirements and customer demands.…”

Section: Introductionmentioning

confidence: 99%

Ultrafine food powders as clean-label flow additives

Kleinschmidt,

Heide,

Kleinschmidt

2024

Front. Chem. Eng.

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The aim of this work was to demonstrate the potential of the concept of clean-label-capable flow additives. These are spray-dried food ingredients whose particle size is small enough (<10 µm) to take over the function of classic flow additives such as highly dispersed silicas. Their acceptance by customers and consumers has been declining for years, as they are primarily mineral excipients that are becoming increasingly unpopular in foods. This poses major problems for the food industry, as many food powders have poor flow properties and handling problems. The idea of clean-label flow additives is to create an alternative to meet consumer demands and industry requirements. Using four different cohesive food powders as examples, the authors demonstrate the effectiveness of this concept. For this purpose, flow additives were prepared from low-concentration solutions in a laboratory spray dryer. Dry particle coating was carried out in a tumbling mixer for 30 min, after which the flow properties of the coated powders were determined using a Schulze Ring shear tester. The results show that a significant improvement in the flowability of cohesive food powders is possible by using these spray-dried flow additives. In addition, an anti-caking effect could be observed. There is still a need for optimization in the production of such flow additives in order to increase their economy and effectiveness. Overall, the concept of clean-label flow additives shows great potential.

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Nanosafety: a Perspective on Nano‐Bio Interactions

Fadeel,

Keller

2024

Small

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Engineered nanomaterials offer numerous benefits to society ranging from environmental remediation to biomedical applications such as drug or vaccine delivery as well as clean and cost‐effective energy production and storage, and the promise of a more sustainable way of life. However, as nanomaterials of increasing sophistication enter the market, close attention to potential adverse effects on human health and the environment is needed. Here a critical perspective on nanotoxicological research is provided; the authors argue that it is time to leverage the knowledge regarding the biological interactions of nanomaterials to achieve a more comprehensive understanding of the human health and environmental impacts of these materials. Moreover, it is posited that nanomaterials behave like biological entities and that they should be regulated as such.

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Engineered nanomaterials and the microbiome: Implications for human health

Cited by 3 publications

References 86 publications

Nano-Management Approaches for Salt Tolerance in Plants under Field and In Vitro Conditions

Nano-Management Approaches for Salt Tolerance in Plants under Field and In Vitro Conditions

Ultrafine food powders as clean-label flow additives

Nanosafety: a Perspective on Nano‐Bio Interactions

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