Translocation de nanoparticules d'oxyde métallique au travers de la barrière respiratoire

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (117 download)

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Book Synopsis Translocation de nanoparticules d'oxyde métallique au travers de la barrière respiratoire by : Isabelle George

Download or read book Translocation de nanoparticules d'oxyde métallique au travers de la barrière respiratoire written by Isabelle George and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: La présence de nanoparticules (NPs) dans de nombreux domaines implique d'évaluer leurs effets toxiques si l'Homme. Suite à une exposition non intentionnelle, l'appareil respiratoire est la voie d'entrée principale dE NPs dans l'organisme. L'objectif de cette thèse a été d'évaluer la translocation de NPs au travers d'u épithélium bronchique humain reconstitué in vitro, en fonction de leurs caractéristiques physic( chimiques et de l'état d'intégrité du tapis cellulaire. Des NPs sphériques fluorescentes métallique d différentes compositions, taille et charge de surface ont ici été utilisées. Trois modèles cellulaires respiratoire humains (Calu-3, NCI-H292 et A549) ont été évalués et les cellules Calu-3 cultivées sur insert délimitant deu compartiments apical et basolatéral se sont révélées être le modèle le plus approprié. Toutes les NE transloquent par transcytose et leurs caractéristiques physico-chimiques y jouent un rôle majeur. Nous avor déterminé que : i) les plus petites NPs transloquaient en plus grande quantité, ii) les NPs négative traversaient plus que les NPs positives et iii) qu'une modification de surface des NPs par une corona modifia leur translocation en fonction de leurs caractéristiques initiales. L'état d'intégrité du tapis cellulaire est aus; un facteur prépondérant dans la translocation des NPs et notamment dans un contexte pro-inflammatoir( impliquant une augmentation significative du passage des NPs par la voie paracellulaire. Cette étude a concl à la capacité des NPs à passer les barrières épithéliales et l'intérêt de modèles in vitro pour étudie l'importance des caractéristiques physico-chimiques des NPs impliquées dans ce phénomène

Some Nanomaterials and Some Fibres

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Publisher : IARC Monographs on the Evaluat
ISBN 13 : 9789283201496
Total Pages : 0 pages
Book Rating : 4.2/5 (14 download)

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Book Synopsis Some Nanomaterials and Some Fibres by : International Agency for Research on Cancer

Download or read book Some Nanomaterials and Some Fibres written by International Agency for Research on Cancer and published by IARC Monographs on the Evaluat. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the IARC Monographs provides an assessment of the carcinogenicity of fluoro-edenite fibrous amphibole, silicon carbide fibres and whiskers, and carbon nanotubes, including single-walled and multiwalled types. None of these agents had been assessed previously by the IARC Monographs Working Group. The Working Group relied mainly on epidemiological studies to evaluate the carcinogenic hazard to humans exposed to fluoro-edenite fibrous amphibole, an environmental contaminant that was reported to cause mesothelioma in the regional population of Biancavilla, Sicily, Italy. Silicon carbide fibres are by-products of the manufacture of silicon carbide particles by the Acheson process; silicon carbide whiskers are produced by other processes. The evaluations of the fibres and of the occupational exposures associated with the Acheson process were mainly based on epidemiological studies, whereas the assessment of the whiskers--in the absence of epidemiological--was based on carcinogenicity bioassays and consideration of their physical properties. In view of the absence of epidemiological studies on carbon nanotubes and the limited information available from mechanistic data, the evaluations of single-walled and multiwalled carbon nanotubes relied essentially on carcinogenicity bioassays.

Biotransformation of Waste Biomass into High Value Biochemicals

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Publisher : Springer Science & Business Media
ISBN 13 : 1461480051
Total Pages : 500 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Biotransformation of Waste Biomass into High Value Biochemicals by : Satinder Kaur Brar

Download or read book Biotransformation of Waste Biomass into High Value Biochemicals written by Satinder Kaur Brar and published by Springer Science & Business Media. This book was released on 2013-09-24 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agro-industrial wastes are end-products emerging after industrial processing operations and also from their treatment and disposal e.g. solid fruit wastes and sludge. The agro-industrial wastes are often present in multiphase and comprise multicomponent. Nevertheless, these wastes are a goldmine as they possess valuable organic matter which can be diverted towards high value products ranging from polymers to antibiotics to platform chemicals. There have been plenty of books published on bioenergy, enzymes and organic acids, among others. However, this emerging field of biochemical has not yet been covered so far which is an important entity of the biorefinery model from waste biomass and needs to be understood from fundamental, applied as well as commercial perspective which has been laid out in this book.

Invasive Species in the Pacific

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Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Invasive Species in the Pacific by : Greg Sherley

Download or read book Invasive Species in the Pacific written by Greg Sherley and published by . This book was released on 2000 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanoscience in Dermatology

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Publisher : Academic Press
ISBN 13 : 0128029455
Total Pages : 404 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Nanoscience in Dermatology by : Michael R. Hamblin

Download or read book Nanoscience in Dermatology written by Michael R. Hamblin and published by Academic Press. This book was released on 2016-08-13 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience in Dermatology covers one of the two fastest growing areas within dermatological science, nanoscience and nanotechnology in dermatology. Recently, great progress has been made in the research and development of nanotechnologies and nanomaterials related to various applications in medicine and, in general, the life sciences. There is increasing enthusiasm for nanotechnology applications in dermatology (drug delivery, diagnostics, therapeutics, imaging, sensors, etc.) for understanding skin biology, improving early detection and treatment of skin diseases, and in the design and optimization of cosmetics. Light sensitive nanoparticles have recently been explored, opening a new era for the combined applications of light with nanotechnology, also called photonanodermatology. However, concerns have been raised regarding the adverse effects of intentional and unintentional nanoparticle exposure and their toxicity. Written by experts working in these exciting fields, this book extensively covers nanotechnology applications, together with the fundamentals and toxicity aspects. It not only addresses current applications of nanotechnology, but also discusses future trends of these ever-growing and rapidly changing fields, providing scientists and dermatologists with a clear understanding of the advantages and challenges of nanotechnology in skin medicine. Provides knowledge of current and future applications of nanoscience and nanotechnology in dermatology Outlines the fundamentals, methods, toxicity aspects, and other relevant aspects for nanotechnology based applications in dermatology Coherently structured book written by experts working in the fields covered

Biocontrol

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Publisher :
ISBN 13 : 9781619428034
Total Pages : 0 pages
Book Rating : 4.4/5 (28 download)

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Book Synopsis Biocontrol by : Satinder Kaur Brar

Download or read book Biocontrol written by Satinder Kaur Brar and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural and forest pests lead to many plant diseases resulting in poor yield and productivity. Traditionally, chemical pesticides have been used to control these pests. However, the adverse health impacts of chemical pesticides have triggered parallel research in safe biological options. Nevertheless, biocontrol has come a long way ever since the commercialisation of the first Bacillus thuringiensis based biopesticide (sporeine) in the 1940s, however, still there are research gaps. New knowledge and practical experiences have been added over the last few decades. This book reviews research on biological control agents, including bacterial, fungal and viral biopesticides along with their advanced formulation options.

Nanotechnology and Functional Materials for Engineers

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Publisher : Elsevier
ISBN 13 : 0323524664
Total Pages : 284 pages
Book Rating : 4.3/5 (235 download)

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Book Synopsis Nanotechnology and Functional Materials for Engineers by : Yaser Dahman

Download or read book Nanotechnology and Functional Materials for Engineers written by Yaser Dahman and published by Elsevier. This book was released on 2017-01-13 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology and Functional Materials for Engineers focuses on key essentials and examples across the spectrum of nanomaterials as applied by engineers, including nanosensors, smart nanomaterials, nanopolymers, and nanotubes. Chapters cover their synthesis and characteristics, production methods, and applications, with specific sections exploring nanoelectronics and electro-optic nanotechnology, nanostructures, and nanodevices. This book is a valuable resource for interdisciplinary researchers who want to learn more about how nanomaterials are used in different types of engineering, including electrical, chemical, and biomedical. Offers in-depth information on a variety of nanomaterials and how they are used for different engineering applications Provides an overview of current research and suggests how this will impact future applications Explores how the unique properties of different nanomaterials make them particularly suitable for specific applications

Confronting Poverty in Iraq

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Publisher : World Bank Publications
ISBN 13 : 0821385631
Total Pages : 114 pages
Book Rating : 4.8/5 (213 download)

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Book Synopsis Confronting Poverty in Iraq by : World Bank

Download or read book Confronting Poverty in Iraq written by World Bank and published by World Bank Publications. This book was released on 2011-01-10 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the most comprehensive and rigorous analysis of Iraqi income and expenditure in several decades. The report makes extensive use of the Iraq Household Socio-Economic Survey, the first nationwide income and expenditure survey since 1988. IHSES data is complemented income and expenditure data from a wide range of other measures of living standards, allowing us to analyze living standards in a holistic way. The analysis presented here was performed with two main goals first, to inform the Government s Poverty Reduction Strategy; and second, to serve as a baseline for future assessments of changes in living standards and the identification of critical issues for deeper examination. Iraqi living standards have two unusual characteristics. First, they have fallen over the past generation. Second, they feature surprisingly little inequality. These characteristics are both rooted in Iraq s recent history of authoritarian government, war, military occupation, insurgency, and civil strife leading to infrastructure destruction and population displacement. There have been few opportunities for individuals to prosper from professional or entrepreneurial activities. Decades of neglected investment have resulted in deterioration of social services and economic infrastructure. Consequently, individuals have lacked capabilities to prosper and an investment climate conducive to prosperity. School enrollment and life expectancy have declined. Extremely low returns to education reflect the combination of poor educational quality and lack of employment opportunities. In terms of economic infrastructure, access to reliable electricity and water, and even access to paved roads are low, are further reflections of decades of neglect. While the upper end of the distribution has been pulled down by a lack of opportunities, the lower end has been supported by direct government provision of food. The Public Distribution System (PDS) provides 85 percent of food needs. While PDS has been useful as a safety net for the poor and the vulnerable, the system is expensive, inefficient, and fiscally risky. Indeed, PDS food rations account for a far greater share of public spending than does education or health. Going forward, Iraq faces two main challenges. First, although Iraq does not have to develop from scratch, it faces a formidable challenge in re-development. Second, a shift by the Government is required from direct provision of basic subsistence toward investment in human capacities. The Government can provide an enabling environment through investments in economic infrastructure and services to business and citizens, thus allowing the population to make productive use of education and their own labor. Both challenges are now being taken up by the Poverty Reduction Strategy, which articulates a detailed set of required actions and outlines priorities for government spending.

Cosmetic Formulation

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Publisher : CRC Press
ISBN 13 : 1482235404
Total Pages : 479 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Cosmetic Formulation by : Heather A.E. Benson

Download or read book Cosmetic Formulation written by Heather A.E. Benson and published by CRC Press. This book was released on 2019-04-05 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cosmetics are the most widely applied products to the skin and include creams, lotions, gels and sprays. Their formulation, design and manufacturing ranges from large cosmetic houses to small private companies. This book covers the current science in the formulations of cosmetics applied to the skin. It includes basic formulation, skin science, advanced formulation, and cosmetic product development, including both descriptive and mechanistic content with an emphasis on practical aspects. Key Features: Covers cosmetic products/formulation from theory to practice Includes case studies to illustrate real-life formulation development and problem solving Offers a practical, user-friendly approach, relying on the work of recognized experts in the field Provides insights into the future directions in cosmetic product development Presents basic formulation, skin science, advanced formulation and cosmetic product development

Nanocosmetics

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Publisher : Elsevier
ISBN 13 : 0128222859
Total Pages : 521 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Nanocosmetics by : Arun Nanda

Download or read book Nanocosmetics written by Arun Nanda and published by Elsevier. This book was released on 2020-05-06 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology is key to the design and manufacture of the new generation of cosmetics. Nanotechnology can enhance the performance and properties of cosmetics, including colour, transparency, solubility, texture, and durability. Sunscreen products, such as UV nano-filters, nano-TiO2 and nano-ZnO particles, can offer an advantage over their traditional counterparts due to their broad UV-protection and non-cutaneous side effects. For perfumes, nano-droplets can be found in cosmetic products including Eau de Toilette and Eau de Parfum. Nanomaterials can also be used in cosmetics as transdermal drug delivery systems. By using smart nanocontainers, active compounds such as vitamins, antioxidants, nutrients, and anti-inflammatory, anti-infective agents, can be delivered effectively. These smart nanocontainers are typically related with the smart releasing property for their embedded active substances. These smart releases could be obtained by using the smart coatings as their outer nano-shells. These nano-shells could prevent the direct contact between these active agents and the adjacent local environments. Nanocosmetics: Fundamentals, Applications and Toxicity explores the formulation design concepts and emerging applications of nanocosmetics. The book also focuses on the mitigation or prevention of their potential nanotoxicity, potential global regulatory challenges, and the technical challenges of mass implementation. It is an important reference source for materials scientists and pharmaceutical scientists looking to further their understanding of how nanotechnology is being used for the new generation of cosmetics. Outlines the major fabrication and formulation design concepts of nanoscale products for cosmetic applications Explores how nanomaterials can safely be used for various applications in cosmetic products Assesses the major challenges of using nanomaterials for cosmetic applications on a large scale

Microbial Synthesis of Nanomaterials

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Publisher : Nova Science Publishers
ISBN 13 : 9781536199260
Total Pages : 373 pages
Book Rating : 4.1/5 (992 download)

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Book Synopsis Microbial Synthesis of Nanomaterials by : Sudhir S. Shende

Download or read book Microbial Synthesis of Nanomaterials written by Sudhir S. Shende and published by Nova Science Publishers. This book was released on 2021 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book Microbial Synthesis of Nanomaterials is written mainly for the public's acquaintance with the synthesis and characterisation of different types of nanomaterials (NMs) and their sustainable applications in various fields. The nano-era began the late 1990s, after which the production of NMs increased rapidly and is expected to reach 1.663 million tons by the end of 2021. Recent findings have shown that NMs play a vital role in various fields like agriculture, food industries, environment, medicine and pharmaceutical, electronics, and so on. Microorganisms play a key role in the formation and transformation of nanoscale minerals in the environment. These natural processes can be harnessed for the green synthesis of nanomaterials for a diverse array of commercial, industrial and environmental applications, presenting a sustainable alternative to more traditional physiochemical synthesis routes. This new book consists of 15 chapters which provide comprehensive knowledge about the synthesis of NMs and offer a critical overview of the current understanding of nanoparticle synthesis using microbes, covering NMs' synthesis, characterisation and applications, and providing discussion on future prospects. The editors believe that this book will be helpful to researchers, the scientific community, academicians, business farmers and policy makers. The editors thankfully acknowledge the financial support of the Russian Foundation for Basic Research, project no. 19-05-50097 and of the Ministry of Science and Higher Education of the Russian Federation within the framework of the state task in the field of scientific activity (no. 0852-2020-0029).

Conceptual Modeling for Traditional and Spatio-Temporal Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 354030326X
Total Pages : 475 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Conceptual Modeling for Traditional and Spatio-Temporal Applications by : Christine Parent

Download or read book Conceptual Modeling for Traditional and Spatio-Temporal Applications written by Christine Parent and published by Springer Science & Business Media. This book was released on 2006-09-02 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: From environmental management to land planning and geo-marketing, the number of application domains that may greatly benefit from using data enriched with spatio-temporal features is expanding very rapidly. This book shows that a conceptual design approach for spatio-temporal databases is both feasible and easy to apprehend. While providing a firm basis through extensive discussion of traditional data modeling concepts, the major focus of the book is on modeling spatial and temporal information.

Polysaccharides II

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Publisher : Springer
ISBN 13 : 3540371036
Total Pages : 308 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Polysaccharides II by : Dieter Klemm

Download or read book Polysaccharides II written by Dieter Klemm and published by Springer. This book was released on 2006-10-06 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has the Highest Impact Factor of all publications ranked by ISI within Polymer Science. It contains short and concise reports on physics and chemistry of polymers, each written by the world renowned experts. The book is still valid and useful after 5 or 10 years. The electronic version is available free of charge for standing order customers at: springer.com/series/12/

Citric Acid

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Publisher : Nova Science Publishers
ISBN 13 : 9781621003533
Total Pages : 0 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Citric Acid by : Dominic A. Vargas

Download or read book Citric Acid written by Dominic A. Vargas and published by Nova Science Publishers. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the authors present topical research in the study of the synthesis, properties and applications of citric acid. Some of the topics discussed include fungal and yeast production of citric acid; mitochondrial production and applications in food and pharmaceutical industries; synthesis of the CuO/CeO2 catalytic system by polymerisation with citric acid; citric acid as a useful tool in artificial enamel formation and regeneration; the impact of citrate on glycolysis in brain tumours and applications of citrus fruits and their extracts for detection of food poisoning caused by bacteria.

Nanotechnology

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Publisher : CRC Press
ISBN 13 : 9781032338552
Total Pages : 468 pages
Book Rating : 4.3/5 (385 download)

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Book Synopsis Nanotechnology by : Bhaskar Mazumder

Download or read book Nanotechnology written by Bhaskar Mazumder and published by CRC Press. This book was released on 2022-06 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today we find the applications of nanotechnology in all spheres of life. Nanotechnology: Therapeutic, Nutraceutical and Cosmetic Advances discusses recent advances in the field, particularly with therapeutics, nutraceuticals and cosmetic sciences. Therapeutics is an area which has perhaps benefitted the most, although nanoscience and technology have quietly entered the realms of food science and are playing pivotal roles in the efficient utilization of nutraceuticals. Finally, even before therapeutics came cosmetics and companies started marketing unique products embedding the beneficial and advanced properties enabled by the use of nanostructures. This book highlights trends and applications of this wonderful new technology.

Indigenous Men and Masculinities

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Publisher : Univ. of Manitoba Press
ISBN 13 : 0887554776
Total Pages : 408 pages
Book Rating : 4.8/5 (875 download)

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Book Synopsis Indigenous Men and Masculinities by : Robert Alexander Innes

Download or read book Indigenous Men and Masculinities written by Robert Alexander Innes and published by Univ. of Manitoba Press. This book was released on 2015-11-06 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: What do we know of masculinities in non-patriarchal societies? Indigenous peoples of the Americas and beyond come from traditions of gender equity, complementarity, and the sacred feminine, concepts that were unimaginable and shocking to Euro-western peoples at contact. "Indigenous Men and Masculinities", edited by Kim Anderson and Robert Alexander Innes, brings together prominent thinkers to explore the meaning of masculinities and being a man within such traditions, further examining the colonial disruption and imposition of patriarchy on Indigenous men. Building on Indigenous knowledge systems, Indigenous feminism, and queer theory, the sixteen essays by scholars and activists from Canada, the U.S., and New Zealand open pathways for the nascent field of Indigenous masculinities. The authors explore subjects of representation through art and literature, as well as Indigenous masculinities in sport, prisons, and gangs. "Indigenous Men and Masculinities" highlights voices of Indigenous male writers, traditional knowledge keepers, ex-gang members, war veterans, fathers, youth, two-spirited people, and Indigenous men working to end violence against women. It offers a refreshing vision toward equitable societies that celebrate healthy and diverse masculinities.

Polymer Initiators

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Publisher :
ISBN 13 : 9781617613043
Total Pages : 0 pages
Book Rating : 4.6/5 (13 download)

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Book Synopsis Polymer Initiators by : Whitney J. Ackrine

Download or read book Polymer Initiators written by Whitney J. Ackrine and published by . This book was released on 2010-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anionic polymerisation techniques offer powerful methods for the controlled manipulation of macromolecular architecture, and are still today unique for the synthesis of a wide variety of model polymeric materials. This book presents current research data from across the globe in the study of polymer initiators including: advanced organocobalt initiators in radical polymerisation; surface-initiated polymerisation techniques; citric acid and biopolymers; oliogomeric azo-initiators for grafting of polymers on clay surfaces and photopolymerisation.