scholarly journals Silver Nanoparticles for Water Pollution Monitoring and Treatments: Ecosafety Challenge and Cellulose-Based Hybrids Solution

Polymers ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 1635 ◽  
Author(s):  
Andrea Fiorati ◽  
Arianna Bellingeri ◽  
Carlo Punta ◽  
Ilaria Corsi ◽  
Iole Venditti
Keyword(s):  
Water Pollution ◽  
Silver Nanoparticles ◽  
Design Strategy ◽  
Pollution Monitoring ◽  
Natural Ecosystems ◽  
Environmental Application ◽  
Hybrid Solutions ◽  
Environmentally Safe ◽  
Low Costs ◽  
Recycled Material

Silver nanoparticles (AgNPs) are widely used as engineered nanomaterials (ENMs) in many advanced nanotechnologies, due to their versatile, easy and cheap preparations combined with peculiar chemical-physical properties. Their increased production and integration in environmental applications including water treatment raise concerns for their impact on humans and the environment. An eco-design strategy that makes it possible to combine the best material performances with no risk for the natural ecosystems and living beings has been recently proposed. This review envisages potential hybrid solutions of AgNPs for water pollution monitoring and remediation to satisfy their successful, environmentally safe (ecosafe) application. Being extremely efficient in pollutants sensing and degradation, their ecosafe application can be achieved in combination with polymeric-based materials, especially with cellulose, by following an eco-design approach. In fact, (AgNPs)–cellulose hybrids have the double advantage of being easily produced using recycled material, with low costs and possible reuse, and of being ecosafe, if properly designed. An updated view of the use and prospects of these advanced hybrids AgNP-based materials is provided, which will surely speed their environmental application with consequent significant economic and environmental impact.

scholarly journals The Era of Nanomaterials: A Safe Solution or a Risk for Marine Environmental Pollution?

Biomolecules ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 441
Author(s):  
Maria Consiglia Esposito ◽  
Ilaria Corsi ◽  
Gian Luigi Russo ◽  
Carlo Punta ◽  
Elisabetta Tosti ◽  
...  
Keyword(s):  
Environmental Impact ◽  
Environmental Remediation ◽  
Health Impact ◽  
High Reactivity ◽  
Raw Material ◽  
Design Framework ◽  
Environmental Matrices ◽  
Natural Ecosystems ◽  
Environmental Application ◽  
Environmentally Safe

In recent years, the application of engineered nanomaterials (ENMs) in environmental remediation gained increasing attention. Due to their large surface area and high reactivity, ENMs offer the potential for the efficient removal of pollutants from environmental matrices with better performances compared to conventional techniques. However, their fate and safety upon environmental application, which can be associated with their release into the environment, are largely unknown. It is essential to develop systems that can predict ENM interactions with biological systems, their overall environmental and human health impact. Until now, Life-Cycle Assessment (LCA) tools have been employed to investigate ENMs potential environmental impact, from raw material production, design and to their final disposal. However, LCA studies focused on the environmental impact of the production phase lacking information on their environmental impact deriving from in situ employment. A recently developed eco-design framework aimed to fill this knowledge gap by using ecotoxicological tools that allow the assessment of potential hazards posed by ENMs to natural ecosystems and wildlife. In the present review, we illustrate the development of the eco-design framework and review the application of ecotoxicology as a valuable strategy to develop ecosafe ENMs for environmental remediation. Furthermore, we critically describe the currently available ENMs for marine environment remediation and discuss their pros and cons in safe environmental applications together with the need to balance benefits and risks promoting an environmentally safe nanoremediation (ecosafe) for the future.

Tending this Fragile Earth, Our Island Home: The Pope's Encyclical in Dialogue with Ecomimesis, a Design Model for Conservation Stewardship

2018 ◽  
Vol 100 (4) ◽  
pp. 745-766
Author(s):  
Lillian C. Woo
Keyword(s):  
Climate Change ◽  
Water Pollution ◽  
Anthropogenic Impact ◽  
Natural World ◽  
Design Solution ◽  
World Population ◽  
Natural Ecosystem ◽  
Natural Ecosystems ◽  
The Earth ◽  
The World

In the last fifty years, empirical evidence has shown that climate change and environmental degradation are largely the results of increased world population, economic development, and changes in cultural and social norms. Thus far we have been unable to slow or reverse the practices that continue to produce more air and water pollution, soil and ocean degradation, and ecosystem decline. This paper analyzes the negative anthropogenic impact on the ecosystem and proposes a new design solution: ecomimesis, which uses the natural ecosystem as its template to conserve, restore, and improve existing ecosystems. Through its nonintrusive strategies and designs, and its goal of preserving natural ecosystems and the earth, ecomimesis can become an integral part of stabilizing and rehabilitating our natural world at the same time that it addresses the needs of growing economies and populations around the world.

scholarly journals Silver Nanoparticles: Properties, Synthesis, Characterization, Applications and Future Trends

2021 ◽  
Author(s):  
Sunil T. Galatage ◽  
Aditya S. Hebalkar ◽  
Shradhey V. Dhobale ◽  
Omkar R. Mali ◽  
Pranav S. Kumbhar ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Metallic Nanoparticles ◽  
Large Scale ◽  
Cost Effective ◽  
Nano Particles ◽  
Scale Production ◽  
Green Technologies ◽  
Synthesis Of Nanoparticles ◽  
Vital Importance ◽  
Environmentally Safe

Nanotechnology is an expanding area of research where we use to deal with the materials in Nano-dimension. The conventional procedures for synthesizing metal nanoparticles need to sophisticated and costly instruments or high-priced chemicals. Moreover, the techniques may not be environmentally safe. Therefore “green” technologies for synthesis of nanoparticles are always preferred which is simple, convenient, eco-friendly and cost effective. Green synthesis of nanoparticle is a novel way to synthesis nanoparticles by using biological sources. It is gaining attention due to its cost effective, ecofriendly and large scale production possibilities. Silver nanoparticles (AgNPs) are one of the most vital and fascinating nanomaterials among several metallic nanoparticles that are involved in biomedical applications. It has vital importance in nanoscience and naomedicines to treat and prevent vital disease in human beings especially in cancer treatment. In current work we discussed different methods for synthesis of AgNPs like biological, chemical and physical along with its characterization. We have also discussed vital importance of AgNPs to cure life threatnign diseases like cancer along with antidiabetic, antifungal, antiviral and antimicrobial alog with its molecular mode of action etc. Finally we conclude by discussing future prospects and possible applications of silver nano particles.

Design strategy of rGO–HNT–AgNPs based hybrid nanocomposite with enhanced performance for electrochemical detection of 4-nitrophenol

2020 ◽  
Vol 7 (10) ◽  
pp. 1981-1994 ◽  
Author(s):  
Kuo-Yuan Hwa ◽  
Tata Sanjay Kanna Sharma ◽  
Anindita Ganguly
Keyword(s):  
Silver Nanoparticles ◽  
Graphene Oxide ◽  
Electrochemical Sensor ◽  
Reduced Graphene Oxide ◽  
Electrochemical Detection ◽  
Design Strategy ◽  
Halloysite Nanotubes ◽  
Hybrid Nanocomposite ◽  
Reduced Graphene

We report a highly precise and sensitive electrochemical sensor to detect 4-nitrophenol based on halloysite nanotubes with silver nanoparticles decorated on reduced graphene oxide.

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