Bøger af Fernanda Maria Policarpo Tonelli

Nanotechnology-Based Sensors for Detection of Environmental Pollution discusses the use of nanotechnology to generate sensors capable of performing efficient detection of different types of environmental pollutants. Sections explore environmental pollution as a threat to life on Earth, the main contaminants (inorganic, organic or pathogens), and the risk they represent to living beings. Others are dedicated to nanotechnology, allowing pollutants' detection, a brief history of nanotechnology-based sensors, different types of nanotechnology-based sensor (optical, electrochemical, and magnetic), nanotechnology-based sensors' design and fabrication, nano biosensors, and more. Additional sections focus on important specific pollutants (pesticides, heavy metal, dyes, toxic gas, pharmaceutical waste, petroleum hydrocarbons, and pathogenic microbes) and their detection by nanotechnology-based sensors and important nanomaterials in nanotechnology-based sensors, exploring carbon-based and non-carbon-based material in nanoscale (graphene, carbon nanotubes, quantum dots, magnetic nanomaterials, non-magnetic nanoparticles) and also point-of-care sensors and functionalization to generate optimized nanotechnology-based sensors to pollutants' detection.

This book focuses on green nanoremediation addressing aspects related to the use of nanomaterials generated through green synthesis protocols to efficiently restore polluted environs. Nanomaterials¿ characteristics such as large surface area, capacity to easily reach into contaminated sites, good reactivity, and possibility of being developed to present photocatalytic activity and/or to deal with targeted substances by chemical surface modification are useful specially to perform remediation. As an alternative to conventional physicochemical methods, the green-based synthesis protocols reject the use of harmful reagents, prevent waste production, apply renewable energy source and/or materials, and consider in first place offering the smallest negative impact possible to living beings and to the ecosystem. Green synthesis in nanotechnology field involves the use of seaweeds, bacteria, cyanobacteria, yeasts, fungi, plants (living ones, biomass, extracts) and/or bio-derived products to generate the nanomaterials. The introductory chapter will be dedicated to nanomaterials¿ characteristics that enable them to be used in environmental remediation. The first part of the book will be dedicated to organic and inorganic pollution and the threats they pose to living forms; advantages, disadvantages and mechanisms of nanoremediation; comparison between conventional strategies of environmental pollution remediation and the green nanoremediation; carbon-based and non-carbon-based green nanomaterials capable of promoting environs¿ remediation; cost/benefits of using nanomaterials and nanoinformatics to a safe nanotechnology. The second part will be dedicated to green nanoremediation of water and soil, microbe-based, algae-based and plant-based synthesis of nanomaterials to nanoremediation. This part will also contain chapters dedicated to relevant nanomaterials for green nanoremediation protocols, nano-phytoremediation strategies, strategies to evaluate the efficiency of protocols related to this kind of remediation, main interactions of green nanomaterials and microbes during nanoremediation and, as a consequence of it, biocompatibility of green nanomaterials. This book¿s main purpose is to offer readers extensive knowledge on green nanoremediation as a feasible strategy to fight pollution's harmful consequences and clean environmental pollution, but also present the challenges that should be surpassed.

This new volume presents informative research on the different aspects of employing nanotechnology for environmental pollution decontamination, highlighting the main tools, methods, and approaches for contaminants detection and remediation.The book takes a biotechnological point of view that considers the main environmental pollutants; the safety and economic aspects of nanoremediation, nanosensors and nanobiosensors for the detection of pollutants; and strategies to promote nanoremediation and nanobioremediation. The chapters offer a comprehensive overview of nanotechnologic strategies as essential tools to restore polluted environments and to make more feasible and harmonic the pathway to sustainable development. The volume also discusses the use of sensors to detect pollutants and to monitor the quality of environmental restoration.Topics include nanozymes; organic and inorganic pollutants threatening human health; different types of carbon-based and non-carbon-based nanomaterials in nanosensors and nanobiosensors to detect environmental pollution; nanomaterials that specifically deal with water, soil, or air pollution; and assisted nanoremediation promoted by plants (nanophytoremediation) or microorganisms (for example, mycorrhizal fungus) that promote in situ nano-phyto-mycorrhizo-remediation. Also addressed are aspects related to a macroperspective of nanoremediation that highlight the economic aspects related to nanotechnology, the safety aspects of the use of nanomaterials, and the sustainability aspects related to the use of nanomaterials in strategies of environmental restoration.Nanotechnology for Environmental Pollution Decontamination: Tools, Methods, and Approaches for Detection and Remediation offers extensive and comprehensive knowledge on nanotechnology applied to pollution detection and remediation, assisted or not by biological strategies.