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Living in biofilms is the common way of life of microorganisms, transiently immobilized in their matrix of extracellular polymeric substances (EPS), interacting in many ways and using the matrix as an external digestion and protection system. This is how they have organized their life in the environment, in the medical context and in technical systems – and has helped make them the oldest, most successful and ubiquitous form of life. In this book, hot spots in current biofilm research are presented in critical and sometimes provocative chapters. This serves a twofold purpose: to provide an overview and to inspire further discussions. Above all, the book seeks to stimulate lateral thinking.
A synthesis of concepts and examples of how physiological processes influence seaweed communities worldwide, authored by experts in the field.
This book presents the current state of research on the basic scientific aspects of root canal biofilm biology within a clinically applicable context. Root canal biofilms are complex polymicrobial structures adhering to the root canal surface that are formed by microorganisms invading the pulpal space of teeth, and are associated with persistent root canal infections. Concerted efforts to study root canal biofilms have been made in the past decade, resulting in the publication of observational and experimental studies that detail the morphology and biology of these structures in infected root canals. In addition to confirming that bacteria in root canals do not exist in free-floating planktonic states as previously assumed, this new information on root canal biofilm infections has provided an opportunity to re-evaluate conventional clinical protocols and improve endodontic therapeutic measures.
A comprehensive introduction to this exciting and developing field. Covers broad topics, including biofilm development, antibiotic resistance, architecture, and the roles these communities play in disease and industry, and incorporates both bacteria and fungi. Includes a chapter on the history of biofilm biology, written by one of the pioneers in the field, and concludes with ruminations on future directions. Serves as a resource for environmental microbiologists, medical and clinical microbiologists, geologists, biomedical engineers, biotechnologists, and non-experts interested in learning about biofilms, as well as graduate students in biofilm biology courses."
Seit Inkrafttreten der neuen Trinkwasserverordnung am 1. November 2011 muss Trinkwasser aus gewerblich genutzten Installationen jährlich untersucht werden. In dem Band werden neueste Forschungsergebnisse, aktuelle Richtlinien, Normen und Gesetze für die Planung hygienegerechter Anlagen vorgestellt. Die Autoren liefern kommentierte Berechnungsbeispiele, sie diskutieren die Ursachen für mikrobiologisch kontaminierte Altanlagen sowie deren Sanierung und erläutern die rechtlichen Rahmenbedingungen für Planung, Ausschreibung und Anlagenbetrieb.
Mit zunehmender Komplexität der Haustechnik sind in Planungsprozessen von öffentlich-gewerblichen wie auch privaten Bauvorhaben – unabhängig von Größe und Investitionsvolumen – immer häufiger kontraproduktive Wechselwirkungen zwischen den Gewerken beziehungsweise den Systemen festzustellen. Die einzelnen Planungsziele – wie die der Betriebssicherheit und Energieeffizienz, des Erhalts der Trinkwassergüte oder des vorbeugenden Brandschutzes – sind gerade in fortgeschrittenen Planungsphasen oft nur noch mit erheblichen Mehrkosten und Zeitverzug zu synchronisieren! Das vorliegende Fachbuch vermittelt ein Grundverständnis von integralen Planungsprozessen und zeigt auf, wie schon in der Frühphase einer Projektkonzeption Zielkonflikte zwischen den Gewerken erfolgreich vermieden oder zumindest minimiert werden können. Zahlreiche Praxisbeispiele erläutern dem Fachingenieur potenziell risikobehaftete Schnittstellen. Schließlich werden auf Basis aktueller Gesetze und Regelwerke sowie neuester Erkenntnisse aus Forschung und Lehre zahlreiche Tipps für die alltägliche Planungspraxis gegeben.
The Perfect Slime presents the latest state of knowledge and all aspects of the Extracellular Polymeric Substances, (EPS) matrix – from the ecological and health to the antifouling perspectives. The book brings together all the current material in order to expand our understanding of the functions, properties and characteristics of the matrix as well as the possibilities to strengthen or weaken it. The EPS matrix represents the immediate environment in which biofilm organisms live. From their point of view, this matrix has paramount advantages. It allows them to stay together for extended periods and form synergistic microconsortia, it retains extracellular enzymes and turns the matrix into an external digestion system and it is a universal recycling yard, it protects them against desiccation, it allows for intense communication and represents a huge genetic archive. They can remodel their matrix, break free and eventually, they can use it as a nutrient source. The EPS matrix can be considered as one of the emergent properties of biofilms and are a major reason for the success of this form of life. Nevertheless, they have been termed the “black matter of biofilms” for good reasons. First of all: the isolation methods define the results. In most cases, only water soluble EPS components are investigated; insoluble ones such as cellulose or amyloids are much less included. In particular in environmental biofilms with many species, it is difficult to impossible isolate, separate the various EPS molecules they are encased in and to define which species produced which EPS. The regulation and the factors which trigger or inhibit EPS production are still very poorly understood. Furthermore: bacteria are not the only microorganisms to produce EPS. Archaea, Fungi and algae can also form EPS. This book investigates the questions, What is their composition, function, dynamics and regulation? What do they all have in common?