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Elaboration Et Etude Des Proprietes Dun Bioreacteur Multi Membranaire
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Book Synopsis Élaboration et étude des propriétés d'un bioréacteur multi-membranaire by : Sébastien Ladet
Download or read book Élaboration et étude des propriétés d'un bioréacteur multi-membranaire written by Sébastien Ladet and published by . This book was released on 2007 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail concerne l'élaboration et l'étude des propriétés des matériaux multimembranaires à base d'hydrogels physiques de chitosane, utilisés comme "bioréacteurs" pour des applications en médecine régénérative. Les systèmes multimembranaires, sont élaborés à partir de gels physiques à l'alcool sans aucun agent réticulant externe. L'architecture de type "oignon" est obtenue après l'optimisation de l'étape de neutralisation. L'étude systématique des paramètres physico-chimiques mis en jeu au cours de la formation des membranes a permis de proposer un mécanisme de neutralisation. L'influence des conditions de neutralisation sur la morphologie à différentes échelles a été observée par diffusion / diffraction des rayons X et microscopie électronique, permettant d'identifier au moins 3 morphologies caractéristiques. Les propriétés mécaniques des membranes d'hydrogel ont été étudiées à l'aide de tests de traction. Enfin l'étude du comportement de différents types cellulaires mis en culture dans les hydrogels multimembranaires a permis de valider la bioactivité et le fort potentiel de cette architecture comme bioréacteurs
Book Synopsis Etude d'un bioréacteur à membranes pour la culture de cellules animales by : Marie-Paule Elluard
Download or read book Etude d'un bioréacteur à membranes pour la culture de cellules animales written by Marie-Paule Elluard and published by . This book was released on 1990 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA CULTURE DE CELLULES ANIMALES EN REACTEUR EST DIFFICILE CAR CES CELLULES SONT COMPLEXES, FRAGILES ET SENSIBLES A L'ENVIRONNEMENT PHYSICO-CHIMIQUE. IL EN RESULTE DES COUTS DE PRODUCTION ELEVES ET AUCUN DES PROCEDES AUJOURD'HUI PROPOSES N'EST SATISFAISANT A L'ECHELLE INDUSTRIELLE. L'OBJECTIF DE CE TRAVAIL EST DE MONTRER QU'UN BIOREACTEUR A MEMBRANES MINERALES OU ORGANIQUES, DISPOSANT D'UNE POSSIBILITE DE LIMITATION DES PHENOMENES DE COLMATAGE PAR INVERSION DU SENS DE CIRCULATION, ASSURE UN RENOUVELLEMENT DU MILIEU DE CULTURE DANS L'ENVIRONNEMENT IMMEDIAT DES CELLULES SUFFISANT POUR APPORTER LES NUTRIENTS REQUIS ET POUR ELIMINER LES METABOLITES TOXIQUES. LA PREMIERE PARTIE FAIT L'ETAT DE L'ART CONCERNANT LES BIOREACTEURS UTILISES DANS L'INDUSTRIE ET CEUX ETUDIES A L'ECHELLE DU LABORATOIRE. DANS LES DEUXIEME ET TROISIEME PARTIES, LE BIOREACTEUR EST DECRIT, DES MEMBRANES SONT SELECTIONNEES, L'INTENSITE ET LA REPARTITION DES TRANSFERTS DE SOLVANT SONT ETUDIEES. L'EXISTENCE D'UNE CONFIGURATION OPTIMALE POUR L'HOMOGENEITE DANS LE REACTEUR EST MISE EN EVIDENCE. PUIS, UNE ETUDE EXPERIMENTALE MONTRE L'INFLUENCE DES PARAMETRES DE FONCTIONNEMENT SUR LE TRANSFERT DE SOLVANT ET DE SOLUTES. DES LOIS DE COLMATAGE TRADUISANT L'EXISTENCE DE PHENOMENES D'ADSORPTION ET DE DEPOT DE MATIERE SONT UTILISEES POUR INTERPRETER LES RESULTATS EXPERIMENTAUX OBTENUS. UNE MODELISATION EST PROPOSEE QUI PREVOIT L'EVOLUTION DU FLUX DE TRANSFERT DANS LE BIOREACTEUR. POUR CONCLURE, UN PILOTE DE CULTURE EST CONCU ET REALISE
Download or read book Membrane Separation Systems written by and published by . This book was released on 1990 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Membrane Technology for Water and Wastewater Treatment by : Alberto Figoli
Download or read book Sustainable Membrane Technology for Water and Wastewater Treatment written by Alberto Figoli and published by . This book was released on 2017 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyses the sustainability of membrane operations applied on an industrial scale, as well as that of those under investigation on lab/pilot scales, covering also the preparation of both polymeric and inorganic membranes. It presents reverse osmosis in desalination, membrane bioreactors for municipal wastewater treatment and pressure-driven industrial wastewater treatment in agrofood and textile fields as examples of industrial membrane operations. Regarding the membrane processes still on a lab/pilot scale, the analysis includes membrane operations for the recovery of valuable products from wastewater streams, for the removal of toxic compounds from water/wastewater, and for zero liquid discharge approaches in desalination. The book offers a useful guide for scientists and engineers working in various fields, including membrane technology, separation, desalination, and wastewater treatment. Alberto Figoli and Alessandra Criscuoli are both Senior Researchers at the Institute on Membrane Technology (ITM-CNR), Italy.
Book Synopsis Wastewater Reclamation and Reuse by : Takashi Asano
Download or read book Wastewater Reclamation and Reuse written by Takashi Asano and published by CRC Press. This book was released on 1998-06-15 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effective integration of water and reclaimed wastewater still requires close examination of public health issues, infrastructure and facilities planning, wastewater treatment plant siting, treatment process reliability, economic and financial analyses, and water utility management. This book assembles, analyzes, and reviews the various aspects of wastewater reclamation, recycling, and reuse in most parts of the world. It considers the effective integration of water and reclaimed wastewater, public health issues, infrastructure and facilities planning, waste-water treatment plant siting, treatment process reliability, economic and financial analysis, and water utility management.
Download or read book Sea Plants written by and published by Elsevier. This book was released on 2014-05-21 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Botanical Research publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences. The series features several reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology and ecology. This thematic volume, number 71, features reviews on sea plants. Its chapters cover topics such as the role of algae in sustainability; the status of kelp exploitation and marine agronomy; potential applications for enzymatic recovery of metabolites from seaweeds; and many more. Publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences Features a wide range of reviews by recognized experts on all aspects of plant genetics, biochemistry, cell biology, molecular biology, physiology, and ecology Volume features reviews on sea plants
Book Synopsis Textile Wastewater Treatment by : Emriye Akcakoca Kumbasar
Download or read book Textile Wastewater Treatment written by Emriye Akcakoca Kumbasar and published by BoD – Books on Demand. This book was released on 2016-07-14 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the dyeing process, losses of colorants to the water sources can be toxic and mutagenic and also decreases light penetration and photosynthesis activity. In recent years, since textile industry can generate large volumes of effluents, textile wastewater treatments have received considerable attention. The aim of this book is to look into textile wastewater treatments shortly. It is designed for readers who study on textile dyeing effluent. I would like to record my sincere thanks to authors for their contributions.
Book Synopsis Physicochemical Methods in the Study of Biomembranes by : Herwig J. Hilderson
Download or read book Physicochemical Methods in the Study of Biomembranes written by Herwig J. Hilderson and published by Springer. This book was released on 2012-10-24 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In mammalian cells many physiological processes rely on the dynamics of the organization of lipids and proteins in biological membranes. The topics in this volume deal with physicochemical methods in the study of biomembranes. Some of them have a long and respectable history in the study of soluble proteins and have only recently been applied to the study of membranes. Some have tradi tionally been applied to studies of model systems of lipids of well-defined com position, as well as to intact membranes. Other methods, by their very nature, apply to organized bilayers comprised of both protein and lipid. Van Meer and van Genderen provide us with an introduction to the field (Chapter I). From their personal perspective regarding the distribution, trans port, and sorting of membrane lipids, they formulate a number of biologically relevant questions and show that the physicochemical methods described in this book may contribute in great measure to solving these issues. The methods of analytical ultracentrifugation have served faithfully for 60 years in the study of water-soluble proteins. The use of detergent extraction of membrane proteins, and the manipulation of density with H20/D20 mixtures, has extended this technique to the study of proteins, and in particular their interactions, from biological membranes. As described by Morris and Ralston in Chapter 2, this technique can be used to determine a number of important properties of proteins.
Book Synopsis Analytical Tools for Environmental Design and Management in a Systems Perspective by : Nicoline Wrisberg
Download or read book Analytical Tools for Environmental Design and Management in a Systems Perspective written by Nicoline Wrisberg and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to link demand and supply of environmental information in the field of Life Cycle Management. The book is based on the results of the CHAINET concerted action financed by EU-DGXII for the work period 1998-2000, and is intended to build bridges between the different scientific communities in the field of Life Cycle Management. A structured approach is followed, meaning that both demand and supply of environmental information are characterised, after which the two are linked.
Book Synopsis Environmental Life Cycle Costing by : David Hunkeler
Download or read book Environmental Life Cycle Costing written by David Hunkeler and published by CRC Press. This book was released on 2008-05-29 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Balances Scientific and Economic Points of View to Thoroughly Address Management Issues Responding to the need for clarification and benchmarks, Environmental Life Cycle Costing provides the fundamental basis on which to establish a definitive methodology. Clearly defining environmental LCC, this book balances scientific and econom
Book Synopsis Prebiotic Chemistry by : Peter Walde
Download or read book Prebiotic Chemistry written by Peter Walde and published by Springer Science & Business Media. This book was released on 2005-10-13 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protein Bioseparation Using Ultrafiltration: Theory, Applications And New Developments by : Raja Ghosh
Download or read book Protein Bioseparation Using Ultrafiltration: Theory, Applications And New Developments written by Raja Ghosh and published by World Scientific. This book was released on 2003-06-11 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrafiltration is a pressure-driven, membrane-based separation process, which is used for a broad variety of applications, ranging from the processing of biological macromolecules to wastewater treatment. It has significant advantages over competing separation technologies. Food and biotechnological applications account for nearly 40% of the current total usage of ultrafiltration membranes. Protein bioseparation is an important component of this application segment. Ultrafiltration is used for protein concentration, desalting, clarification and fractionation (i.e. protein-protein separation). Concentration, desalting and clarification are technologically less demanding and have been in used in the bioprocess industry for some time. Protein fractionation, on the other hand, is a challenging proposition and is definitely a more recent development. This book focuses primarily on protein fractionation./a
Book Synopsis Membrane Proteins Production for Structural Analysis by : Isabelle Mus-Veteau
Download or read book Membrane Proteins Production for Structural Analysis written by Isabelle Mus-Veteau and published by Springer. This book was released on 2016-09-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book updates the latest development in production, stabilization and structural analysis techniques of membrane proteins. This field has made significant advances since the elucidation of the first 3-D structure of a recombinant G Protein Coupled Receptor (GPCR), rhodopsin, with the structure of several more GPCRs having been solved in the past five years. In fact, the 2012 Nobel Prize in Chemistry was awarded for groundbreaking discoveries on the inner workings of GPCRs. This book is essential reading for all researchers, biochemists and crystallographers working with membrane proteins, who are interested by the structural characterization of their favorite protein and who wish to follow the expression, migration, modifications and recycling of a membrane protein.
Book Synopsis Comets And Their Origin by : Uwe Meierhenrich
Download or read book Comets And Their Origin written by Uwe Meierhenrich and published by John Wiley & Sons. This book was released on 2015-02-09 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Divided into two parts, the first four chapters of Comets and their Origin refer to comets and their formation in general, describing cometary missions, comet remote observations, astrochemistry, artificial comets, and the chirality phenomenon. The second part covers the cometary ROSETTA mission, its launch, journey, scientific objectives, and instrumentations, as well as the landing scenario on a cometary nucleus. Along the way, the author presents general questions concerning the origin of terrestrial water and the molecular beginnings of life on Earth, as well as how the instruments used on a space mission like ROSETTA can help answer them. The text concludes with a chapter on what scientists expect from the ROSETTA mission and how its data will influence our life on Earth. As a result, the author elucidates highly topical and fascinating knowledge to scientists and students of various scientific backgrounds, allowing them to work with ROSETTA's data.
Book Synopsis International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013) by : Ahmet Yavuz Oral
Download or read book International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013) written by Ahmet Yavuz Oral and published by Springer. This book was released on 2014-05-29 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Congress on Energy Efficiency and Energy Related Materials (ENEFM2013) was held on 9-12 October, 2013. This three-day congress focused on the latest developments of sustainable energy technologies, materials for sustainable energy applications and environmental & economic perspectives of energy. These proceedings include 63 peer reviewed technical papers, submitted from leading academic and research institutions from over 23 countries, representing some of the most cutting edge research available. The papers included were presented at the congress in the following sessions: General Issues Wind Energy Solar Energy Nuclear Energy Biofuels and Bioenergy Energy Storage Energy Conservation and Efficiency Energy in Buildings Economical and Environmental Issues Environment Energy Requirements Economic Development Materials for Sustainable Energy Hydrogen Production and Storage Photovoltaic Cells Thermionic Converters Batteries and Superconductors Phase Change Materials Fuel Cells Superconductors
Book Synopsis Water in Biomechanical and Related Systems by : Adam Gadomski
Download or read book Water in Biomechanical and Related Systems written by Adam Gadomski and published by Springer Nature. This book was released on 2021-04-21 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributed volume puts emphasis on a superior role of water in (bio)systems exposed to a mechanical stimulus. It is well known that water plays an extraordinary role in our life. It feeds mammalian or other organism after distributing over its whole volume to support certain physiological and locomotive (friction-adhesion) processes to mention but two of them, both of extreme relevance. Water content, not only in the mammalian organism but also in other biosystems such as whether those of soil which is equipped with microbiome or the ones pertinent to plants, having their own natural network of water vessels, is always subjected to a force field.The decisive force field applied to the biosystems makes them biomechanically agitated irrespective of whether they are subjected to external or internal force-field conditions. It ought to be noted that the decisive mechanical factor shows up in a close relation with the space-and-time scale in which it is causing certain specific phenomena to occur.The scale problem, emphasizing the range of action of gravitational force, thus the millimeter or bigger force vs. distance scale, is supposed to enter the so-called macroscale approach to water transportation through soil or plants’ roots system. It is merely related to a percolation problem, which assumes to properly inspect the random network architecture assigned to the biosystems invoked. The capillarity conditions turn out to be of prior importance, and the porous-medium effect has to be treated, and solved in a fairly approximate way.The deeper the scale is penetrated by a force-exerting and hydrated agent the more non-gravitational force fields manifest. This can be envisaged in terms of the corresponding thermodynamic (non-Newtonian) forces, and the phenomena of interest are mostly attributed to suitable changes of the osmotic pressure. In low Reynolds number conditions, thus in the (sub)micrometer distance-scale zone, they are related with the corresponding viscosity changes of the aqueous, e.g. cytoplasmatic solutions, of semi-diluted and concentrated (but also electrolytic) characteristics. For example, they can be observed in articulating systems of mammals, in their skin, and to some extent, in other living beings, such as lizards, geckos or even insects. Through their articulating devices an external mechanical stimulus is transmitted from macro- to nanoscale, wherein the corresponding osmotic-pressure conditions apply. The content of the proposed work can be distributed twofold. First, the biomechanical mammalian-type (or, similar) systems with extraordinary relevance of water for their functioning will be presented, also including a presentation of water itself as a key physicochemical system/medium. Second, the suitably chosen related systems, mainly of soil and plant addressing provenience, will be examined thoroughly. As a common denominator of all of them, it is proposed to look at their hydrophobic and/or (de)hydration effects, and how do they impact on their basic mechanical (and related, such as chemo-mechanical or piezoelectric, etc.) properties. An additional tacit assumption employed throughout the monograph concerns statistical scalability of the presented biosystems which is equivalent to take for granted a certain similarity between local and global system’s properties, mostly those of mechanical nature. The presented work’s chapters also focus on biodiversity and ecological aspects in the world of animals and plants, and the related systems. The chapters’ contents underscore the bioinspiration as the key landmark of the proposed monograph.
Book Synopsis Biomedical Science and Technology by : A. Atilla Hincal
Download or read book Biomedical Science and Technology written by A. Atilla Hincal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advancing with Biomedical Engineering Today, in most developed countries, modem hospitals have become centers of sophis ticated health care delivery using advanced technological methods. These have come from the emergence of a new interdisciplinary field and profession, commonly referred to as "Bio medical Engineering." Although what is included in the field of biomedical engineering is quite clear, there are some disagreements about its definition. In its most comprehensive meaning, biomedical engineering is the application of the principles and methods of engi neering and basic sciences to the understanding of the structure-function relationships in normal and pathological mammalian tissues, as well as the design and manufacture of prod ucts to maintain, restore, or improve tissue functions, thus assisting in the diagnosis and treat ment of patients. In this very broad definition, the field of biomedical engineering now includes: • System analysis (modeling, simulation, and control of the biological system) • Biomedical instrumentation (detection, measurement, and monitoring of physio logic signals) • Medical imaging (display of anatomic details or physiologic functions for diag nosis) • Biomaterials (development of materials used in prostheses or in medical devices) • Artificial organs (design and manufacture of devices for replacement or augmen tation of tissues or organs) • Rehabilitation (development oftherapeutic and rehabilitation procedures and de vices) • Diagnostics (development of expert systems for diagnosis of diseases) • Controlled drug delivery (development of systems for administration of drugs and other active agents in a controlled manner, preferably to the target area)
