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This book was written by undergraduate students at The Ohio State University (OSU) who were enrolled in the class Introduction to Environmental Science. The chapters describe some of Earth's major environmental challenges and discuss ways that humans are using cutting-edge science and engineering to provide sustainable solutions to these problems. Topics are as diverse as the students, who represent virtually every department, school and college at OSU. The environmental issue that is described in each chapter is particularly important to the author, who hopes that their story will serve as inspiration to protect Earth for all life.
This book is devoted to nanomicrobiology and the nanosystems of bacteria. The initial chapter discusses some of the controversies in the geochemical and biomedical fields associated with the reports of nanobacteria in the environment. Current knowledge of several internal and surface structures of bacteria is addressed in this book. Included are chapters discussing carboxysomes, S-layers, gliding motility of bacteria, and aggregation of iron to produce nano-magnetite. Information about the activities of outer membrane vesicles produced by Gram-negative bacteria is discussed as a benefit to bacteria that produce it and some potential industrial applications are presented. A broad review of ba...
Proceeding from basic fundamentals to applications, this volume provides a comprehensive overview of the use of AFM and related scanning probe microscopies for cell surface analysis. It covers all cell types, from viruses and protoplasts to bacteria and animal cells. It also discusses a range of advanced AFM modalities, including high-resolution imaging, nanoindentation measurements, recognition imaging, and single-molecule and single-cell force spectroscopy. The book covers methodologies for preparing and analyzing cells and membranes of all kinds and highlights recent examples to illustrate the power of AFM techniques in life sciences and nanomedicine.
Bacteria can sequester metals and other ions intracellularly in various forms ranging from poorly ordered deposits to well- ordered mineral crystals. Magnetotactic bacteria provide one example of such intracellular deposits. They synthesize intracellular magnetic minerals of magnetite (Fe3O4) and/or greigite (Fe3S4) magnetosomes which are generally less than 150 nm and organized into one or multiple chain structures. The magnetosome chain(s) act like a compass needle to facilitate the navigation of magnetotactic bacteria by using the Earth’s magnetic field. Due to their ubiquitous distribution in aquatic and sedimentary environments, magnetotactic bacteria play important roles in global ir...
This book provides a detailed description and analysis of the reduction and metabolism of metals and metalloids by sulfate reducing bacteria. The molecular mechanisms of bacterial resistance to copper are examined as well as extracellular electron transfer and bacterial metal oxide respiration. Furthermore, in this book enrichment, isolation, and physiology of magnetotactic bacteria are discussed. The interactions of bacteria with metals in natural environments and their role in metal cycling have been studied for decades. Advances in studies of bacteria-metal interactions identified numerous important aspects of these interactions, such as bioremediation of metal-contaminated environments, the role of metals in redox reactions and other cellular functions, as well as the role of metals in toxicity and infection. Microbiologists, environmental scientists, and students interested in microbe interactions with metals and their effect on the environment and their application in biotechnology will be interested in the topics discussed in the book.
This issue of Facial Plastic Surgery Clinics, guest edited by Drs. John B. Holds and Guy Massry, is dedicated to Oculoplastic Surgery. This series is one of four selected each year by the series consulting editor, Dr. J. Reagan Thomas. Topics will include—but are not limited to—Brow lift: open approaches, Brow lift: endoscopic approach, Upper blepharoplasty, Blepharoptosis repair: external aponeurotic repair, Blepharoptosis repair: internal approach, Lower blepharoplasty: external approach, Canthoplasty techniques, Lower blepharoplasty: transconjunctival approach, Treatment of lower eyelid festoons, Dermal fillers as an alternative to lower blepharoplasty surgery, Misuse and complications of periocular dermal fillers, Autogenous fat transfer in revision periocular surgery, Surgical treatment of post-blepharoplasty lower eyelid retraction, and the prominent eye: what to watch-out for.
This book provides a comprehensive overview of acute and chronic critical limb ischemia (CLI). Loss of an extremity, or a portion thereof, is not necessarily a life-ending process, but it is a debilitating experience whether involvement is of the upper or lower extremity. It reviews the epidemiology, pathophysiology, etiology, physical examination, imaging modalities, diagnosis, and treatment of limb ischemia. It investigates the most frequent as well as the more unusual etiological processes that may lead to the most dreaded concern of patients and families: amputation. The therapeutics of CLI has been significantly advanced through the multidisciplinary approach to the patient and disease, a focus that is explored in detail throughout the book. Surgical and endovascular treatment guidelines as well as medical therapy, wound healing, and long-term care are discussed. Featuring an extensive illustration program, Critical Limb Ischemia: Acute and Chronic, is a valuable resource for vascular and endovascular surgeons, vascular medicine specialists, interventional radiologists, and cardiologists.