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  • Biology  (1,259)
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  • 1
    UID:
    b3kat_BV036069306
    Format: 1 Online-Ressource (XII, 164 Seiten)
    ISBN: 9783805590204
    Series Statement: World review of nutrition and dietetics Vol. 99
    Content: Research on omega-3 fatty acids has come a long way since its beginnings in the middle 70’s: Starting with studies on the role of omega-3 fatty acids in the secondary prevention of cardiovascular disease, interest soon turned to the mechanisms of and the need to balance the omega-6 to the omega-3 ratio for homeostasis and normal development. Today, it is widely accepted that docosahexaenoic acid (DHA) and arachidonic acid are essential for brain development during pregnancy, lactation and throughout the life cycle. It is also no longer controversial that DHA can affect brain function, mental health and behavior, and studies on supplemental DHA in age-related macular degeneration have revealed significant interactions between DHA and genetic variants.Featuring contributions by leading scientists in the field, this publication discusses not only the role of omega-3 fatty acids in maintaining homeostasis, but also their importance in the prevention and management of neurodegenerative diseases associated with the aging process or genetic predisposition. It is thus not only of interest to nutritionists, dieticians or policy makers, but also to psychologists, physiologists, neuroscientists, psychiatrists, ophthalmologists, geneticists, neurologists, pediatricians, obstetricians and geriatricians
    Note: A topical review
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-9019-8
    Language: English
    Subjects: Biology
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    Keywords: Nervensystem ; Krankheit ; Omega-3-Fettsäuren ; Hirnkrankheit ; Docosahexaensäure ; Makuladegeneration ; Omega-3-Fettsäuren ; Aufsatzsammlung
    Author information: Simopoulos, Artemis P. 1933-
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  • 2
    Book
    Book
    London : Imperial College Press
    UID:
    b3kat_BV035778814
    Format: XIII, 257 Seiten
    ISBN: 9781848163102 , 9781848163096 , 1848163096 , 184816310X
    Content: This book is designed to enable non-native English speakers to write science research for publication in English. It can also be used by English speakers and is a practical, user-friendly book intended as a fast, do-it-yourself guide for those whose English language proficiency is above intermediate. The approach is based on material developed from teaching graduate students at Imperial College London and has been extensively piloted. The book guides the reader through the process of writing science research and will also help with writing a Master’s or Doctoral thesis in English. Science writing is much easier than it looks because the structure and language are conventional. The aim of this book is to help the reader discover a template or model for science research writing and then to provide the grammar and vocabulary tools needed to operate that model. There are five units: Introduction, Methodology, Results, Discussion/Conclusion and Abstract. The reader develops a model for each section of the research article through sample texts and exercises; this is followed by a Grammar and Writing Skills section designed to respond to frequently-asked questions as well as a Vocabulary list including examples of how the words and phrases are to be used.
    Note: Hier auch später erschienene, unveränderte Nachdrucke
    Language: English
    Subjects: Chemistry/Pharmacy , Economics , Natural Sciences , Biology , General works , English Studies
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    Keywords: Naturwissenschaften ; Forschungsergebnis ; Wissenschaftliches Manuskript ; Englisch ; Wissenschaftliches Manuskript ; Textproduktion ; Wissenschaft ; Englisch ; Handbooks and manuals ; Ratgeber
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  • 3
    UID:
    b3kat_BV036069298
    Format: 1 Online-Ressource (IX, 172 Seiten) , Illustrationen, Diagramme
    ISBN: 9783318002386
    Series Statement: Contributions to nephrology Vol. 121
    Content: This volume of Contributions to Nephrology is comprised of papers presented at the 7th International Ammoniagenesis Workshop. The presentations are organized into sections dealing with ammonia-forming enzymes, molecular biological aspects of glutamine metabolism metabolic alterations in acidosis, kidney and brain metabolism of glutamine and other amino acids, hepatic amino acid metabolism, renal utilization of various nitrogenous substances, and interorgan metabolism of ammonia and other substrates. With contributions from leading researchers, this book is a valuable update for scientists working or interested in the field
    Note: 7th International Ammoniagenesis Workshop, Galway, May 1996
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-6490-8
    Language: English
    Subjects: Biology
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    Keywords: Aminosäurenstoffwechsel ; Konferenzschrift
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  • 4
    Online Resource
    Online Resource
    Basel : Karger
    UID:
    b3kat_BV036069179
    Format: 1 Online-Ressource (X, 137 Seiten) , Diagramme
    ISBN: 9783318002362
    Series Statement: Chemical immunology Vol. 67
    Content: B cells used to be considered as a homogeneous population of cells destined to produce antibodies of increasing affinity and to maintain an immunological memory. In recent years, it has been determined that B cells can be subdivided into different subsets characterized by distinct morphologic, phenotypic, and functional features. Presenting results of research work on the definition of B cell subset populations, this book explains the basic mechanisms that control B cell activation, stimulation and regulation. Articles include studies on both normal and malignant B cells and describe the mechanisms underlying T-B cell interactions during the immune response. The most important advances in the field of immunodeficiency are also reported.This volume will be essential not only for basic and clinical immunologists, but also for hematologists, pathologists and rheumatologists with a special interest in the pathogenesis of lymphoproliferative or autoimmune disorders
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-6460-1
    Language: English
    Subjects: Biology
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    Keywords: B-Lymphozyt ; Pathophysiologie ; Aufsatzsammlung
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  • 5
    Online Resource
    Online Resource
    Basel : Karger
    UID:
    b3kat_BV036069087
    Format: 1 Online-Ressource (XI, 236 Seiten) , Illustrationen, Diagramme
    ISBN: 9783805581523
    Series Statement: Frontiers of oral biology Vol. 12
    Content: Sutures are more than just fibrous joints between the bones in our skull. They are active growth sites that influence the development, growth and shaping of our face and cranium. When suture development is disrupted, craniosynostosis can result, a condition which is characterized by the premature closure of one or more cranial sutures before brain growth is complete and leads to an abnormally shaped skull. In this publication, leading experts in the field, both researchers and clinicians, discuss suture morphogenesis from developmental, evolutionary and genetic perspectives. In addition, an appraisal of the molecular etiology, clinical presentation and treatment of craniosynostosis is presented, as well as an outlook to future areas of study and to innovative therapeutic philosophies. In this volume craniofacial developmental and evolutionary biologists, oral and maxillofacial surgeons, orthodontists as well as pediatric and plastic surgeons will find a wealth of recent information on the field of craniofacial development, deformity and its treatment
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-8326-8
    Language: English
    Subjects: Biology , Medicine
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    Keywords: Kranio-faziale Dysostose ; Gesichtsschädel ; Naht ; Chirurgie ; Wundverschluss ; Mensch ; Gesichtsschädel ; Schädelnaht ; Aufsatzsammlung
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  • 6
    UID:
    b3kat_BV036069274
    Format: 1 Online-Ressource (XV, 231 Seiten) , Illustrationen, Diagramme
    ISBN: 9783318009521
    Series Statement: Chemical immunology and allergy Vol. 83
    Content: In the past, neutrophils were often reduced to their ability to release preformed mediators and kill pathogens. The present volume of Chemical Immunology and Allergy, however, offers a very broad and timely view by highlighting the versatile functions of neutrophils in inflammatory, immune and antitumoral responses.Leading investigators uncover novel aspects of neutrophils, such as their capacity to control gene expression at the transcriptional level, or respond to proinflammatory cytokines, cytokine receptor chains (gc) and endogenous anti-inflammatory lipid mediators. Further points under discussion are neutrophils presenting antigens, activating T cells, participating in chemokine networking, and producing IL-12 and other cytokines during infectious diseases. Among the most original findings presented in this publication figure the observations that neutrophils cause increased vascular permeability during acute inflammation, regulate directly the angiogenic process, and influence tumor development. A final article offers a detailed description of the molecular processes affecting neutrophil cell death and survival.Unique in its field, this valuable volume is recommended reading not only for immunologists and pathologists, but also for cell biologists, hematologists and immunobiologists
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-7552-2
    Language: English
    Subjects: Biology
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    Keywords: Neutrophiler Granulozyt ; Aufsatzsammlung
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  • 7
    UID:
    b3kat_BV036069131
    Format: 1 Online-Ressource (VI, 155 Seiten) , Diagramme
    ISBN: 9783318006735
    Series Statement: Advances in psychosomatic medicine Vol. 22
    Content: The book contains articles describing the frontline in research on biological markers of stress in daily life. The stressors inducing biological reactions range from extremely strenuous physical efforts in athletes (Japanese triathlon) to anxiety-provoking situations for children in nursery schools, examinations for students, and daily stressors at work in the form of job strain. The biological parameters discussed are immunological (interleukins and responses to vaccination), endocrinological (cortisol and prolactin) and physiological (blood pressure monitored during daily life). One chapter discusses new developments in research on mechanisms linking stress to atherosclerosis. Assessments are discussed in detail, and possibilities for their use in epidemiological studies are explored. Advantages and drawbacks of using blood pressure monitoring compared to conventional blood pressure assessments of cortisol concentration as an index of the circadian variation in the function of the HPA axis are examples of topics being discussed. The application of saliva cortisol assessment on children's stress reactions is a breakthrough in research development. This is a book for stress researchers, occupational health care teams and all clinicians involved in work aiming at the prevention and/or rehabilitation of psychosomatic disorders. It gives new insights into stress mechanisms and ways of assessing stress reactions
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-7191-3
    Language: English
    Subjects: Biology , Medicine
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    Keywords: Stressreaktion ; Biomarker ; Stress ; Alltag ; Psychosomatik ; Konferenzschrift
    Author information: Theorell, Töres 1942-
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  • 8
    UID:
    b3kat_BV036069141
    Format: 1 Online-Ressource (IX, 214 Seiten) , Diagramme
    ISBN: 9783318005783
    Series Statement: Bibliotheca Nutritio et dieta No. 55
    Content: It is generally accepted that the basic needs of vitamins are covered by the so-called Recommended Dietary Allowances, which were originally established mainly to prevent deficiencies. However, there is more and more scientific evidence accumulating that several vitamins have additional functions, each requiring a different, but usually higher amount than the one set for the prevention of the respective classical vitamin deficiency. Such additional functions include the radical scavenging effect of various antioxidant vitamins or the role of folate in the prevention of neural tube defects. This publication wants to substantiate the relations between the scientific evidence for selected functions and the respective vitamin intake; moreover, as some of the functions in question require several vitamins due to synergistic interactions, attention will also be paid to this aspect.Special measures could in the future contribute to lower public health costs by helping to decrease the incidence of costly chronic diseases: Guidelines advising a much higher intake of fruits and vegetables have already been established to reduce the risk for certain diseases such as some types of cancer and coronary heart disease.Covering a wide spectrum of topics, this publication will not only be of interest to nutritionists, pathophysiologists and epidemiologists, but also to Public Health authorities and food and vitamin manufacturers
    Note: Exploring new ways to reduce the incidence of chronic diseases
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-7073-2
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science , Biology
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    Keywords: Vitamin ; Ernährungsphysiologie ; Krankheit ; Prävention ; Vitamin ; Konferenzschrift
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  • 9
    UID:
    b3kat_BV036069243
    Format: 1 Online-Ressource (X, 106 Seiten) , Illustrationen, Diagramme
    ISBN: 9783318010688
    Series Statement: Progress in applied microcirculation Vol. 25
    Content: Solutions of stroma-free hemoglobin have been investigated for their potential as blood replacement fluids for more than 70 years. Despite many attempts to overcome their unwanted side effects through chemical modification of the hemoglobin molecule, none of the potential solutions has been approved for clinical use in Europe or the United States.In recent years, the vasoconstrictive activity of hemoglobin in the plasma was identified as the pivotal problem of hemoglobin-based blood substitutes, compromising nutritional perfusion and thus impeding oxygen unloading at the site of the microcirculation. One of the prevailing assumptions is that the precapillary vasoconstriction and the ensuing tissue underperfusion is caused by the high affinity of free hemoglobin for nitric oxide. To resolve this problem, a number of recombinant techniques involving site-directed mutagenesis as well as several chemical approaches involving polymerization and pegylation have been developed.This volume summarizes the latest research on the effects of some of these new hemoglobin solutions on the microvasculature and tissue oxygenation. It is recommended reading for all those interested in finding alternatives for donor blood in transfusion medicine, including emergency specialists, anesthesiologists, surgeons, trauma surgeons and other clinicians who are frequently confronted with blood loss and the need for blood replacement
    Note: 17th Bodensee Symposium on Microcirculation, Lindau, September 2002 ; finding alternatives for donor blood in transfusion medicine
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-7719-9
    Language: English
    Subjects: Biology
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    Keywords: Plasmaersatz ; Hämoglobin ; Lösung ; Mikrozirkulation ; Konferenzschrift
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  • 10
    UID:
    b3kat_BV036069309
    Format: 1 Online-Ressource (X, 122 Seiten) , Illustrationen, Diagramme
    ISBN: 9783318005707
    Series Statement: Progress in applied microcirculation Vol. 24
    Content: This book introduces orthogonal polarized spectral (OPS) imaging, a new technique for examining the microcirculation in both animals and humans during surgery and in other clinical setups.OPS imaging creates an image by using the sub-surface scattering of polarized light to create a "virtual" light source within the tissue being observed. Thus, the microcirculation can be visualized without the use of fluorescent dyes or transillumination, making it possible to observe the human microcirculation in real time. The technology has been incorporated into a small, hand-held device called a CYTOSCANTM video microscope, which can be used in both research and clinical settings. Several validation studies comparing OPS imaging against standard intravital fluorescence microscopy in animal models demonstrate that it is possible to make quantitative measurements of relevant parameters (vessel diameter, red blood cell velocity and functional capillary density) from these images. Further studies show the feasibility of making such measurements in various human organs such as the skin, intestine, and brain. In addition, this book presents several clinical applications including use in cardiopulmonary bypass, neurosurgery, intensive care, general surgery and plastic surgery.The book should be read by anyone concerned with microvascular perfusion. This includes not only those involved in microcirculation research but clinicians interested in nutritive perfusion. The technique described here will be of aid to a variety of surgical specialists from cardiac and neurosurgeons to plastic surgeons. It will likewise be of interest to angiologists, anesthesiologists, neonatologists, dermatologists, and general surgeons
    Additional Edition: Erscheint auch als Druck-Ausgabe ISBN 978-3-8055-7065-7
    Language: English
    Subjects: Biology
    RVK:
    Keywords: Mikrozirkulation ; Videomikroskopie ; Polarisationsmikroskopie ; Konferenzschrift
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