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This Book presents original research articles published in the Special Issue entitled “Green Nanotechnology: The Latest Innovations, Knowledge Gaps, and Future Perspectives”. It proposes pioneering and innovative applications, products, technologies, and processes in several green nanotechnology-related fields (e.g., drug delivery systems, antifouling nanoadditives, and coatings for optical applications), as well as identifying some knowledge gaps on this domain. Research on the sustainable production of nanomaterials based on safe-by-design approaches and (eco)toxicological assessments of novel nanomaterials is also provided. Future perspectives are also highlighted in the Editorial and across the original articles.

Technology: general issues --- carvacrol --- stearic acid --- beeswax --- carnauba wax --- nanostructured lipid carriers --- crystallinity --- cationic surfactants --- microemulsion --- mesoporous silica --- encapsulation --- ecotoxicity --- Perna perna --- biofouling --- nanotechnology --- toxicity --- silver nanoparticles --- gemini surfactant --- green synthesis --- black nickel coatings --- electrochemical testing --- electrodeposition --- hull cell --- nanostructured coatings --- green nanotechnology --- green chemistry --- safe-by-design --- sustainability --- nanomaterials --- nanoparticles --- nanoecotoxicology --- environmental risk assessment

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The book "Green Synthesis of Nanomaterials and Their Biological Applications" present novel advances about the green synthesis of nanomaterials, as well as on the possible biological applications, including studies dealing with entomology, parasitology, biomedicine, and environmental research.

Medicine --- metamaterial --- multiple resonances --- biochemical sensing --- environment sensor --- net formulations --- stored product insects --- knockdown --- mortality --- long-term effect --- European grapevine moth --- green pesticide --- insect pest --- Integrated Pest Management --- Larvicide --- nano-insecticide --- Tortricidae --- hydatid cyst --- protoscoleces --- nanomedicine --- in vitro --- in vivo --- ex vivo --- zinc oxide --- nanoparticles --- black tea extract --- gallic acid --- green synthesis --- antioxidants --- antimicrobial activity --- silver nanoparticles --- Diospyros malabarica --- antibacterial --- anticancer --- catalyst --- 4-nitrophenol --- electromechanically --- tunability --- metamaterials --- multi-functionalities --- terahertz --- refraction index sensor --- metamaterial --- multiple resonances --- biochemical sensing --- environment sensor --- net formulations --- stored product insects --- knockdown --- mortality --- long-term effect --- European grapevine moth --- green pesticide --- insect pest --- Integrated Pest Management --- Larvicide --- nano-insecticide --- Tortricidae --- hydatid cyst --- protoscoleces --- nanomedicine --- in vitro --- in vivo --- ex vivo --- zinc oxide --- nanoparticles --- black tea extract --- gallic acid --- green synthesis --- antioxidants --- antimicrobial activity --- silver nanoparticles --- Diospyros malabarica --- antibacterial --- anticancer --- catalyst --- 4-nitrophenol --- electromechanically --- tunability --- metamaterials --- multi-functionalities --- terahertz --- refraction index sensor

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This book examines the state of the art of biosorption as an economical and environmentally friendly technique for pollutant removal in wastewater. Several articles are included that develop the applications of biosorption showing the high efficiency and versatility of this process, as well as showing recent advances in this field. Different modalities of biosorption are demonstrated from free biomass to immobilized biomass, as well as the combination of biomass with modern materials to form composites, emphasizing the significant versatility of this technique. In addition, different examples with biomasses of very different natures are also included and discussed, as are the factors that influence biosorption processes. Other contributions offer some examples of apparently useless materials that are reused and applied in the elimination of pollutants. Therefore, this book is an excellent complement for those researchers who work on biosorption as well as a starting point for those who want to begin research on this topic.

Research & information: general --- landfill --- leachate treatment --- POME --- removal efficiency --- mixing ratio --- biosorbent --- Ni2+ --- background electrolytes --- kinetic modeling --- biosorption --- biomass --- bioaccumulation --- biocomposite --- pollutants --- metals --- emerging organic contaminants --- dyes --- Spirulina --- alginate --- immobilization --- fixed-bed column --- Mxene–CS composite --- Cr(VI) contaminated aqueous solution --- Green Synthesis --- treatment of wastewater --- heavy metals --- citrus waste biomass --- bio-sorbent --- pre-treatment --- activated carbon --- batch adsorption --- fixed-bed adsorption column --- n/a --- Mxene-CS composite

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This book examines the state of the art of biosorption as an economical and environmentally friendly technique for pollutant removal in wastewater. Several articles are included that develop the applications of biosorption showing the high efficiency and versatility of this process, as well as showing recent advances in this field. Different modalities of biosorption are demonstrated from free biomass to immobilized biomass, as well as the combination of biomass with modern materials to form composites, emphasizing the significant versatility of this technique. In addition, different examples with biomasses of very different natures are also included and discussed, as are the factors that influence biosorption processes. Other contributions offer some examples of apparently useless materials that are reused and applied in the elimination of pollutants. Therefore, this book is an excellent complement for those researchers who work on biosorption as well as a starting point for those who want to begin research on this topic.

landfill --- leachate treatment --- POME --- removal efficiency --- mixing ratio --- biosorbent --- Ni2+ --- background electrolytes --- kinetic modeling --- biosorption --- biomass --- bioaccumulation --- biocomposite --- pollutants --- metals --- emerging organic contaminants --- dyes --- Spirulina --- alginate --- immobilization --- fixed-bed column --- Mxene–CS composite --- Cr(VI) contaminated aqueous solution --- Green Synthesis --- treatment of wastewater --- heavy metals --- citrus waste biomass --- bio-sorbent --- pre-treatment --- activated carbon --- batch adsorption --- fixed-bed adsorption column --- n/a --- Mxene-CS composite

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There is some talk about an antibiotic Armageddon due to quickly developing resistance towards commercially available antibiotics. For the most part, the classical antibiotic pipeline has dried up, and antibiotic resistance to any new drugs quickly develops. It is here that metal-based antimicrobials can step forward as possible solutions in this antimicrobial resistance era. The biological targets of metal atoms are more diverse, thus making it more difficult for bacteria to develop resistance compared with classical antibiotics. The metal silver has been used since antiquity for wound healing and water purification. At present, it is the most prevalent antimicrobial metal used in healthcare, industry, and consumer products. Silver is being used in the form of ionic salt, colloids, or in specific nanomaterials, and as described in this book, it can be applied as mixtures with other antimicrobials or coating composites. The different formulations are explored for their efficacy against a variety of problems related to agricultural and medical infections. Whilst by no means exhaustive, this book nicely highlights the present directions in silver-based antimicrobial research and antimicrobial formulation development. The chapters have been organized from a general introductory review to approaches of mixing other antimicrobials and materials to enhance silver performance. This is followed by synthetic approaches. First are biogenic (sometimes called green or eco-friendly) approaches, followed by advanced physical–chemical synthetic approaches. The book ends with an overview of applications through a review of patents over the past 10 years.

nanotechnology --- environmentally-friendly --- pesticide --- antimicrobial --- zebrafish --- antimicrobial activity --- biofilm --- urinary infection --- silver nanoparticles --- bacterial resistance --- silver --- nanoparticles --- Candida albicans --- Staphylococcus aureus --- herbal medicine --- Punicaceae --- calcium glycerophosphate --- Streptococcus mutans --- antibacterial --- titania --- mesoporous --- macroporous --- surface functionalization --- camphor derivatives --- silver camphorimine complexes --- laser ablation synthesis in solution --- nano-antimicrobials --- food packaging --- green synthesis --- microwave irradiation --- Juglans regia --- antibacterial activity --- biological synthesis --- multidrug-resistant bacteria --- antifungal --- chitosan oligomers --- composites --- deep eutectic solvents --- phenolic compounds --- Phytophthora cinnamomi --- root rot --- non-equilibrium plasma --- antibacterial coatings --- plasma polymers --- nanocomposites --- antibiotics --- adjuvant --- combinatorial --- metal --- ROS --- antibacterial effect --- laser irradiation --- metal-vapour method --- TEM --- XPS --- EXAFS --- microbiomes --- silane-based coating --- Marinomonas --- Anaerospora --- antibiotic resistance --- medicinal silver --- patents --- synergism --- Cephradine --- Vildagliptin --- n/a