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  • Stoytcheva, Margarita  (16)
  • [Erscheinungsort nicht ermittelbar] : IntechOpen  (16)
  • Bielefeld : transcript
  • Cambridge [u.a.] : Cambridge Univ. Press
  • 1
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    Arsenic Monitoring, Removal and Remediation (2022)
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    ISBN: 9781839696664 , 9781839696657 , 9781839696671
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (106 p.)
    Schlagwort(e): Ecological science, the Biosphere
    Kurzfassung: Arsenic Monitoring, Removal and Remediation discusses methods for determining arsenic levels in the environment and removing arsenic pollution. Chapters in the first section comment on the principal methods for arsenic determination in environmental samples with emphasis on sample pretreatment, extraction, separation, and method validation techniques for speciation analysis. Attention is paid to the electrochemical methods for arsenic quantification as an alternative to the commonly used techniques and to the potential of the differential alternative pulses voltammetry for arsenic determination in the presence of interferences. Chapters in the second section highlight the benefits of using adsorption for arsenic species removal and suggest remedial approaches against arsenic pollution, including bioremediation, along with traditional techniques
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  • 2
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    Applications of Nanobiotechnology (2020)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789859782 , 9781789859775 , 9781838809973
    Sprache: Englisch
    Seiten: 1 Online-Ressource (140 p.)
    Schlagwort(e): Biotechnology
    Kurzfassung: This book is dedicated to the applications of nanobiotechnology, i.e. the way that nanotechnology is used to create devices to study biological systems and phenomena. It includes seven chapters, organized in two sections. The first section (Chapters 1–5) covers a large spectrum of issues associated with nanoparticle synthesis, nanoparticle toxicity, and the role of nanotechnology in drug delivery, tissue engineering, agriculture, and biosensing. The second section (Chapters 6 and 7) is devoted to the properties of nanofluids and the medical and biological applications of computational fluid dymanics modeling
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  • 3
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    Arsenic : Analytical and Toxicological Studies (2018)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9781789235173 , 9781789235166 , 9781838816469
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (90 p.)
    Schlagwort(e): Inorganic chemistry
    Kurzfassung: Arsenic - Analytical and Toxicological Studies is a collection of original works focused on arsenic occurrence and chemistry, methods for arsenic determination and removal and arsenic toxicity and health risks. The most commonly used techniques for arsenic quantification and speciation, such as atomic absorption spectrometry, inductively coupled plasma-mass spectrometry, and inductively coupled plasma-emission spectrometry, among others, and the various procedures applied for arsenic separation and removal are exhaustively described. The mechanism of arsenic-induced toxicology, involving arsenic interaction with critical thiols in proteins and the health risks associated with exposure to arsenic, is also discussed
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  • 4
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    Applications of the Voltammetry (2017)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535132165 , 9789535132158 , 9789535148081
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (162 p.)
    Schlagwort(e): Analytical chemistry
    Kurzfassung: The present book Applications of Voltammetry is a collection of six chapters, organized in two sections. The first book section is dedicated to the application of mathematical methods, such as multivariate calibration coupled with voltammetric data and numeric simulation to solve quantitative electroanalytical problems. The second book section is devoted to the electron transfer kinetic studies and electroanalytical applications of the voltammetry, such as interfacial electron transfer of the haem group in human haemoglobin molecules, physisorbed on glass-/tin-doped indium oxide substrates, analysis of dyes and metal ions in trace concentrations and characterization of the antioxidant properties of wine and wine products, using a variety of voltammetric techniques and electrodes. The most recent trends and advances in voltammetry are professionally commented
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  • 5
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    Lab-on-a-Chip Fabrication and Application (2016)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535124580 , 9789535124573 , 9789535157823
    Sprache: Englisch
    Seiten: 1 Online-Ressource (208 p.)
    Schlagwort(e): Condensed matter physics (liquid state & solid state physics)
    Kurzfassung: The necessity of on-site, fast, sensitive, and cheap complex laboratory analysis, associated with the advances in the microfabrication technologies and the microfluidics, made it possible for the creation of the innovative device lab-on-a-chip (LOC), by which we would be able to scale a single or multiple laboratory processes down to a chip format. The present book is dedicated to the LOC devices from two points of view: LOC fabrication and LOC application
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  • 6
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    Agricultural Chemistry (2013)
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    ISBN: 9789535110262 , 9789535150312
    Sprache: Englisch
    Seiten: 1 Online-Ressource (224 p.)
    Schlagwort(e): Agricultural science
    Kurzfassung: The present book is a collection of ten original research articles and reports, associated with selected topics in agricultural chemistry. The discussed issues are organized in four sections: Classification and labeling of active substances in plant protection products, Environmental and stress plant physiology and behavior, Antimicrobial and antioxidant potential of plant extracts, and Pollutants analysis and effects. The information provided in this book should be of interest for academic researchers and for agriculturalists
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  • 7
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    Pesticides in the Modern World : Trends in Pesticides Analysis (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074375 , 9789535151548
    Sprache: Englisch
    Seiten: 1 Online-Ressource (528 p.)
    Schlagwort(e): Pest control
    Kurzfassung: The book offers a professional look on the recent achievements and emerging trends in pesticides analysis, including pesticides identification and characterization. The 20 chapters are organized in three sections. The first book section addresses issues associated with pesticides classification, pesticides properties and environmental risks, and pesticides safe management, and provides a general overview on the advanced chromatographic and sensors- and biosensors-based methods for pesticides determination. The second book section is specially devoted to the chromatographic pesticides quantification, including sample preparation. The basic principles of the modern extraction techniques, such as: accelerated solvent extraction, supercritical fluid extraction, microwave assisted extraction, solid phase extraction, solid phase microextraction, matrix solid phase dispersion extraction, cloud point extraction, and QuEChERS are comprehensively described and critically evaluated. The third book section describes some alternative analytical approaches to the conventional methods of pesticides determination. These include voltammetric techniques making use of electrochemical sensors and biosensors, and solid-phase spectrometry combined with flow-injection analysis applying flow-based optosensors
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  • 8
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    Pesticides in the Modern World : Effects of Pesticides Exposure (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074542 , 9789535151654
    Sprache: Englisch
    Seiten: 1 Online-Ressource (390 p.)
    Schlagwort(e): Pest control
    Kurzfassung: The introduction of the synthetic organochlorine, organophosphate, carbamate and pyrethroid pesticides by 1950's marked the beginning of the modern pesticides era and a new stage in the agriculture development. Evolved from the chemicals designed originally as warfare agents, the synthetic pesticides demonstrated a high effectiveness in preventing, destroying or controlling any pest. Therefore, their application in the agriculture practices made it possible enhancing crops and livestock's yields and obtaining higher-quality products, to satisfy the food demand of the continuously rising world's population. Nevertheless, the increase of the pesticide use estimated to 2.5 million tons annually worldwide since 1950., created a number of public and environment concerns. This book, organized in two sections, addresses the various aspects of the pesticides exposure and the related health effects. It offers a large amount of practical information to the professionals interested in pesticides issues
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  • 9
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    Pesticides in the Modern World : Pesticides Use and Management (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074597 , 9789535144151
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (534 p.)
    Schlagwort(e): Pest control
    Kurzfassung: This book brings together issues on pesticides and biopesticides use with the related subjects of pesticides management and sustainable development. It contains 24 chapters organized in three sections. The first book section supplies an overview on the current use of pesticides, on the regulatory status, on the levels of contamination, on the pesticides management options, and on some techniques of pesticides application, reporting data collected from all over the world. Second section is devoted to the advances in the evolving field of biopesticides, providing actual information on the regulation of the plant protection products from natural origin in the European Union. It reports data associated with the application of neem pesticides, wood pyrolysis liquids and bacillus-based products. The third book section covers various aspects of pesticides management practices in concert with pesticides degradation and contaminated sites remediation technologies, supporting the environmental sustainability
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  • 10
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    Biodiesel : Quality, Emissions and By-Products (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533077840 , 9789535144021
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (394 p.)
    Schlagwort(e): Alternative & renewable energy sources & technology
    Kurzfassung: This book entitled "Biodiesel: Quality, Emissions and By-products" covers topics related to biodiesel quality, performance of combustion engines that use biodiesel and the emissions they generate. New routes to determinate biodiesel properties are proposed and the process how the raw material source, impurities and production practices can affect the quality of the biodiesel is analyzed. In relation to the utilization of biofuel, the performance of combustion engines fuelled by biodiesel and biodiesels blends are evaluated. The applications of glycerol, a byproduct of the biodiesel production process as a feedstock for biotechnological processes, and a key compound of the biorefinery of the future is also emphasized
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  • 11
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    Pesticides : The Impacts of Pesticides Exposure (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533075310 , 9789535145257
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (460 p.)
    Schlagwort(e): Pest control
    Kurzfassung: Pesticides are supposed to complete their intended function without "any unreasonable risk to man or the environment". Pesticides approval and registration are performed "taking into account the economic, social and environmental costs and benefits of the use of any pesticide". The present book documents the various adverse impacts of pesticides usage: pollution, dietary intake and health effects such as birth defects, neurological disorders, cancer and hormone disruption. Risk assessment methods and the involvement of molecular modeling to the knowledge of pesticides are highlighted, too. The volume summarizes the expertise of leading specialists from all over the world
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  • 12
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    Pesticides in the Modern World : Pests Control and Pesticides Exposure and Toxicity Assessment (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074573 , 9789535144267
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (628 p.)
    Schlagwort(e): Pest control
    Kurzfassung: The present book is a collection of selected original research articles and reviews providing adequate and up-to-date information related to pesticides control, assessment, and toxicity. The first section covers a large spectrum of issues associated with the ecological, molecular, and biotechnological approaches to the understanding of the biological control, the mechanism of the biocontrol agents action, and the related effects. Second section provides recent information on biomarkers currently used to evaluate pesticide exposure, effects, and genetic susceptibility of a number of organisms. Some antioxidant enzymes and vitamins as biochemical markers for pesticide toxicity are examined. The inhibition of the cholinesterases as a specific biomarker for organophosphate and carbamate pesticides is commented, too. The third book section addresses to a variety of pesticides toxic effects and related issues including: the molecular mechanisms involved in pesticides-induced toxicity, fish histopathological, physiological, and DNA changes provoked by pesticides exposure, anticoagulant rodenticides mode of action, the potential of the cholinesterase inhibiting organophosphorus and carbamate pesticides, the effects of pesticides on bumblebee, spiders and scorpions, the metabolic fate of the pesticide-derived aromatic amines, etc
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  • 13
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    Pesticides in the Modern World : Risks and Benefits (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074580 , 9789535144250
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (574 p.)
    Schlagwort(e): Pest control
    Kurzfassung: This book is a compilation of 29 chapters focused on: pesticides and food production, environmental effects of pesticides, and pesticides mobility, transport and fate. The first book section addresses the benefits of the pest control for crop protection and food supply increasing, and the associated risks of food contamination. The second book section is dedicated to the effects of pesticides on the non-target organisms and the environment such as: effects involving pollinators, effects on nutrient cycling in ecosystems, effects on soil erosion, structure and fertility, effects on water quality, and pesticides resistance development. The third book section furnishes numerous data contributing to the better understanding of the pesticides mobility, transport and fate. The addressed in this book issues should attract the public concern to support rational decisions to pesticides use
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  • 14
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    Biodiesel : Feedstocks and Processing Technologies (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533077130 , 9789535144076
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (472 p.)
    Schlagwort(e): Alternative & renewable energy sources & technology
    Kurzfassung: The book "Biodiesel: Feedstocks and Processing Technologies" is intended to provide a professional look on the recent achievements and emerging trends in biodiesel production. It includes 22 chapters, organized in two sections. The first book section: "Feedstocks for Biodiesel Production" covers issues associated with the utilization of cost effective non-edible raw materials and wastes, and the development of biomass feedstock with physical and chemical properties that facilitate it processing to biodiesel. These include Brassicaceae spp., cooking oils, animal fat wastes, oleaginous fungi, and algae. The second book section: "Biodiesel Production Methods" is devoted to the advanced techniques for biodiesel synthesis: supercritical transesterification, microwaves, radio frequency and ultrasound techniques, reactive distillation, and optimized transesterification processes making use of solid catalysts and immobilized enzymes. The adequate and up-to-date information provided in this book should be of interest for research scientist, students, and technologists, involved in biodiesel production
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  • 15
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    Pesticides : Strategies for Pesticides Analysis (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074603 , 9789535145233
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (418 p.)
    Schlagwort(e): Pest control
    Kurzfassung: This book provides recent information on various analytical procedures and techniques, representing strategies for reliability, specificity, selectivity and sensitivity improvements in pesticides analysis. The volume covers three main topics: current trends in sample preparation, selective and sensitive chromatographic detection and determination of pesticides residues in food and environmental samples, and biological (immunoassays-and biosensors-based) methods application in pesticides analysis as an alternative to the chromatographic methods for "in situ" and "on line" pesticides quantification. Intended as electronic edition, providing an immediate "open access" to its content, the book is easy to follow and will be of interest to the professionals involved in pesticides analysis
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  • 16
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    Pesticides : Formulations, Effects, Fate (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533075327 , 9789535145240
    Sprache: Unbestimmte Sprache
    Seiten: 1 Online-Ressource (824 p.)
    Schlagwort(e): Pest control
    Kurzfassung: This book provides an overview on a large variety of pesticide-related topics, organized in three sections. The first part is dedicated to the "safer" pesticides derived from natural materials, the design and the optimization of pesticides formulations, and the techniques for pesticides application. The second part is intended to demonstrate the agricultural products, environmental and biota pesticides contamination and the impacts of the pesticides presence on the ecosystems. The third part presents current investigations of the naturally occurring pesticides degradation phenomena, the environmental effects of the break down products, and different approaches to pesticides residues treatment. Written by leading experts in their respective areas, the book is highly recommended to the professionals, interested in pesticides issues
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