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Toxinas cianofíceas
ÍNDICE: Introducción a las cianobacterias. Cianobacterias potencialmente tóxicas. Cianotoxinas. Microcistinas en el medio ambiente. Fuentes de exposición. Las cianobacterias como complemento alimentario. Acumulación de microcistinas en alimentos. Efectos tóxicos. Mecanismo de acción. Bibliografía.
Residuos de componentes plasticos en alimentos
ÍNDICE: Introducción: papel; vidrio; cerámica; textiles; madera; metales; plásticos. Constituyentes de los plásticos. Migración: ensayos de migración. Efectos de los procesos técnicos de embalaje. Aspectos reguladores. Principales componentes plásticos migrantes: cloruro de vinilo; formol; acrilonitrilo; cloruro de vinilideno; estireno; di (2-etilhexil)ftalato; dibutiril ftalato; difenil cresil fosfato y tricresil fosfato; di(2-etilhexil)adipato; antioxidantes; aceleradores de la vulcanización; otros tipos de plásticos que pueden ceder sustancias tóxicas. Bibliografía.
Tóxicos formados durante el procesado, preparación y almacenamiento de los alimentos
ÍNDICE: Introducción. Compuestos pirorgánicos: hidrocarburos aromáticos policíclicos; aminas heteroclíclicas; acroleína. Compuestos no pirolíticos derivados de aminoácidos y de azúcares. Compuestos formados por tratamiento alcalino. Compuestos producidos por reacciones de contaminación o degradación. Compuestos originados por el calentamiento y oxidación de grasas y aceites. Bibliografía.
TMS 2014 143rd Annual Meeting & Exhibition, Annual Meeting Supplemental Proceedings
These papers present advancements in all aspects of high temperature electrochemistry, from the fundamental to the empirical and from the theoretical to the applied. Topics involving the application of electrochemistry to the nuclear fuel cycle, chemical sensors, energy storage, materials synthesis, refractory metals and their alloys, and alkali and alkaline earth metals are included. Also included are papers that discuss various technical, economic, and environmental issues associated with plant operations and industrial practices.
Modelos experimentales in vitro: estudio de efectos de microcistinas
Durante los ultimos anos, la aparicion de floraciones toxicas de cianobacterias ha aumentado considerablemente. Esta situacion puede conllevar a una acumulacion de cianotoxinas en distintas especies acuaticas, como es el caso de los peces, siendo estas toxinas transmitidas a traves de la cadena alimentaria y de las aguas contaminadas usadas para la bebida. Concretamente, las microcistinas (MCs) son las cianotoxinas mas ubicuas, cuya presencia en el agua supone un serio problema tanto de salud publica como para el medio ambiente. Asimismo, resulta de gran interes social, etico, cientifico y economico en el desarrollo de metodos alternativos a los ensayos de ecotoxicidad que permitan la reduccion del uso de los animales de experimentacion. En el presente libro, se presenta un estudio comparativo de los efectos bioquimicos y morfologicos de las tres MCs mas frecuentemente encontradas en floraciones naturales (MC-LR, MC-RR y MC-YR) y de dos extractos de cianobacterias sobre dos lineas celulares de peces: PLHC-1 y RTG-2.
Studies on Experimental Toxicology and Pharmacology
This book focuses on data describing the roles of free radicals and related reactive species, and antioxidants, in the causes and treatments of diseases, examining both clinical and pre-clinical trials, as well as basic research. The book is divided into sub-sections with chapters on toxicological mechanisms, agents that produce toxicity, and special topics including areas such as antioxidant supplements, oxygen toxicity, toxicogenomics, and marine biology. Studies on Experimental Toxicology and Pharmacology promotes the concept of using biomarkers of free radical- and reactive species-induced injury as adjuncts to classical laboratory testing and the ability of antioxidants to provide cellular protection. There is increasing evidence that free radicals and other reactive species are causative, or at least supporting factors, that impact organisms and cause numerous tissue disorders. With contributions from international experts in the field, this volume is a valuable resource for researchers and postgraduate students in toxicology and related fields, as well as clinicians and clinical researchers.
Nanomanufacturing Techniques in Sustainable Healthcare Applications
The text begins by discussing the processing and characterization of nano-manufactured resorbable bionanocomposites and presents the latest advances in carbon-based polymer nanocomposite materials for sensing applications. It further presents different characterization techniques such as scanning electron, transmission electron, atomic force microscopy, and powder X-ray diffraction for the identification of bionanocomposites. This book: • Introduces nano-manufactured processed composites for biomedical application, processing, and characterization of bionanocomposites. • Presents biobased nano-manufactured processed composites for imaging, tissue repairing, and drug-delivery applications...
Encyclopedia of Information Science and Technology
"This set of books represents a detailed compendium of authoritative, research-based entries that define the contemporary state of knowledge on technology"--Provided by publisher.
Mexican Political Biographies, 1935-2009
"Teresa Lozano Long Institute of Latin American Studies."
Nanobiomaterials
Nanobiomaterials: Research Trends and Applications – Biomaterials are derived from natural resources such as plants, animals and marine sources. These biomaterials have advanced applications, across a range of key industries due to their low cost, being easy to process, being biocompatible and so on. The modification of biomaterials in the nanoform enhances their applications. The book begins with an overview of nanobiomaterials, processing, classifications, fabrication and sustainability. In-depth chapters in Part I address the most recent methods and techniques for physicochemical characterisation, processing of blends and composites based on nanomaterials, and separation. Chapters in Pa...
