Schlagwort(e):
Botanical chemistry.
;
Plants.
;
Nanostructured materials.
;
Electronic books.
Materialart:
Online-Ressource
Seiten:
1 online resource (390 pages)
Ausgabe:
1st ed.
ISBN:
9780128198322
Serie:
Issn Series ; v.Volume 84
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=5784078
DDC:
620.5
Sprache:
Englisch
Anmerkung:
Front Cover -- Analysis, fate, and toxicity of engineered nanomaterials in plants -- Copyright -- Contents -- Contributors to volume 84 -- About the editors -- Series editor´s preface -- Preface -- Chapter One: Recent advancements and new perspectives of phytonanotechnology -- 1. Introduction -- 2. Recent advances -- 2.1. Application of nanomaterials for seed germination and seed growth -- 2.2. Enhancement of uptake and translocation of nanomaterials in plant -- 2.3. Modification of metabolism of plants by engineered nanomaterials -- 3. Investigations on ecotoxicity and fate of phyto-synthesized nanomaterial -- 4. Investigations on molecular responses of plants to engineered nanomaterials -- 5. The perspective of phytonanotechnology and the use of nanomaterials in plants -- 6. Concluding remarks -- References -- Chapter Two: Plant cell nanomaterials interaction: Growth, physiology and secondary metabolism -- 1. Introduction -- 2. Metallic nanoparticles effect development of plants -- 3. The effect of nanoparticles on plant secondary metabolism -- 4. Impact of nanomaterials on plant biochemical parameters -- 5. Applications of nanomaterials during plant in vitro cultures -- 5.1. Towards callus induction and organogenesis -- 5.2. Nanoparticles induce somaclonal variations -- 5.3. Towards controlling contamination -- 5.4. Size directs the function of nanomaterials in plants -- 5.5. Concentration affects the function of NPs in plants -- 6. Adverse effects of nanomaterials on plants -- 7. Conclusions and future prospects -- References -- Chapter Three: Interaction of nanomaterials in secondary metabolites accumulation, photosynthesis, and nitrogen fixation ... -- 1. Introduction -- 2. The effects of ENMs on secondary metabolites accumulation -- 3. The effects of ENMs on photosynthesis -- 4. The effects of ENMs on nitrogen fixation.
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5. Conclusion and future research needs -- References -- Chapter Four: Impacts of metal oxide nanoparticles on seed germination, plant growth and development -- 1. Nanoparticles in the environment -- 2. The nanoparticle characteristics involved in fate and effects on plants -- 3. External factors that affect nanoparticle behaviour in soil and toxicity -- 4. Methodological approach and endpoints to assess the toxicity of NPs in plants -- 5. Introduction to the phytotoxicity mechanism of metal oxide (MO) NPs -- 6. ZnO NPs -- 6.1. Introduction -- 6.2. Effects of ZnO NPs on plants and influence of assay conditions -- 6.3. Influence of soil pH in the phytotoxicity of ZnO NPs -- 6.4. Comparison of the effects of ZnO microparticles and Zn ion versus ZnO NPs -- 6.5. Toxicity mechanisms of ZnO NPs in plants -- 6.6. Conclusions -- 7. CuO NPs -- 7.1. Introduction -- 7.2. Effects of CuO NPs on plants and influence of assay conditions -- 7.3. Comparison of the effects of CuO microparticles and Cu ion versus CuO NPs -- 7.4. Toxicity mechanisms of CuO NPs in plants -- 7.5. Conclusions -- 8. TiO2 NPs -- 8.1. Introduction -- 8.2. Effects of TiO2 NPs on plants and the influence of assay conditions -- 8.3. Influence of crystalline structure, size and coating on the effects of TiO2 NPs on plants -- 8.4. Comparison of the effects of TiO2 microparticles versus TiO2 NPs -- 8.5. Toxicity mechanisms of TiO2 NPs in plants -- 8.6. Conclusions -- 9. CeO2 NPs -- 9.1. Introduction -- 9.2. Effects of CeO2 NPs on plants and the influence of assay conditions -- 9.3. Influence of size and coating on the effects of CeO2 on plants -- 9.4. Comparison of the effects of CeO2 microparticles and Ce ion versus CeO2 NPs -- 9.5. Toxicity mechanisms of CeO2 NPs in plants -- 9.6. Conclusions -- 10. Future outlook -- References.
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Chapter Five: Toxic effects of engineered nanoparticles (metal/metal oxides) on plants using Allium cepa as a model system -- 1. Introduction -- 2. How A. cepa acts as a model organism -- 3. Toxicity assessments and discussion -- 3.1. Effects of metal/metal oxide NPs on A. cepa root growth -- 3.2. Determination of cytotoxicity using A. cepa root tip assay -- 3.2.1. Evaluation of cell death by Evans blue staining -- 3.2.2. Estimation of viable cells using TTC -- 3.2.3. Mitotic index (MI), micronucleus (MN), and chromosomal aberration (CA) -- 3.3. DNA damage assessment of A. cepa roots by alkaline comet assay -- 4. Generation of ROS by NPs and estimation of ROS scavenging enzymes activity -- 4.1. Generation of intracellular ROS by NPs -- 4.1.1. Determination of superoxide (O2-.) -- 4.1.2. Determination of hydrogen peroxide (H2O2) -- 4.1.3. Determination of hydroxyl radical (OH) -- 4.2. Estimation of ROS scavenging enzymes -- 5. Estimation of cell membrane damage and intracellular uptake of NPs -- 5.1. Cell membrane damage by lipid peroxidation analysis -- 5.2. Bio-uptake of NPs -- 6. Conclusion -- References -- Chapter Six: Phytotoxicity of silver nanoparticles and defence mechanisms -- 1. Introduction -- 2. Uptake and accumulation -- 3. Effects on germination, growth, morphology and ultrastructure -- 3.1. Effects on seed germination and plant growth -- 3.2. Effects on morphology and ultrastructure -- 4. Induction of oxidative stress -- 5. Effects on photosynthesis -- 6. Changes in protein expression -- 7. Conclusion -- Acknowledgements -- References -- Chapter Seven: Genome-wide alterations of epigenomic landscape in plants by engineered nanomaterial toxicants -- 1. Introduction -- 2. Epigenetic modifications in plants -- 2.1. DNA methylation in plants -- 2.1.1. Maintenance of DNA methylation -- 2.1.2. De novo DNA methylation.
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2.1.3. Active dynamics of DNA methylation and demethylation -- 2.1.4. Biological impacts of DNA methylation and demethylation events -- 2.1.4.1. Gene expression and function -- 2.1.4.2. Silencing of transposons -- 2.1.4.3. Chromosomal interactions -- 2.1.4.4. Plant growth and development -- 2.1.4.5. Response to the environmental stress -- 2.2. Histone modifications in plants -- 2.2.1. H3K4-methylations -- 2.2.2. H3K27 tri-methylations -- 2.2.3. H3K9 di-methylation -- 3. Nanomaterial and nanoparticle toxicity -- 4. Epigenetic aberrations and responses in plants due to oxidative stresses -- 4.1. DNA methylation due to stress responses -- 4.2. Histone modifications due to stress responses -- 4.3. RNA directed DNA methylation due to stress responses -- 5. Nanoparticle stress on plant-epigenetic changes -- 5.1. Effect of nanoparticle stress on transgenerational changes -- 5.2. Effect of nanoparticle stress on DNA methylation -- 5.3. Effect of nanoparticle stress on histone modifications -- 6. Future perspective and conclusion -- Conflict of interest -- References -- Chapter Eight: Nanomaterials as therapeutic and diagnostic tool for controlling plant diseases -- 1. Introduction -- 2. Types of nanomaterials used for controlling plant diseases -- 2.1. Nanosilver -- 2.2. Nanocopper -- 2.3. Metal oxide nanoparticles -- 2.4. Other categories of nanoparticles and nanoformulations -- 3. Smart delivery systems -- 4. Nanobiosensors -- 5. Safety concerns and possible toxic effects caused by use of nanomaterials -- 6. Conclusions -- References -- Further reading -- Chapter Nine: Agrochemicals from nanomaterials-Synthesis, mechanisms of biochemical activities and applications -- 1. Introduction -- 2. Nanotechnology in agriculture -- 2.1. Nanofertilizer -- 2.1.1. Development of nanofertilizers -- 2.1.2. Mechanisms of biochemical activities.
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2.1.3. Applications of nanofertilizers -- 2.2. Nanopesticide -- 2.2.1. Development of nanopesticides -- 2.2.2. Biochemical activities -- 2.2.3. Applications of nanopesticides -- 3. Conclusion and future scope -- References -- Chapter Ten: Capturing thematic intervention of nanotechnology in agriculture sector: A scientometric approach -- 1. Introduction -- 2. Smart monitoring technologies -- 2.1. Nanofertilizers and nanopesticides -- 2.2. Carbon nanotubes (CNTs) -- 2.3. Nanoencapsulation -- 3. Publication analysis -- 3.1. United States -- 3.2. China -- 3.3. India -- 4. Collaboration analysis -- 5. Analysis of USA top three institutes -- 6. Analysis of China top three institutes -- 7. Analysis of India top three institutes -- 7.1. Patent analysis -- 7.2. Chinese patent analysis -- 7.3. Indian patents -- 8. Few patented technologies description -- 9. Conclusion -- 10. Identification of gaps and obstacles -- References -- Index -- Back Cover.
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