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Record Nr. |
UNINA9910298458903321 |
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Titolo |
Membrane Hydration : The Role of Water in the Structure and Function of Biological Membranes / / edited by E. Anibal Disalvo |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2015 |
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ISBN |
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Edizione |
[1st ed. 2015.] |
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Descrizione fisica |
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1 online resource (295 p.) |
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Collana |
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Subcellular Biochemistry, , 2542-8810 ; ; 71 |
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Disciplina |
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Soggetti |
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Biological transport |
Cell membranes |
Medicine - Research |
Biology - Research |
Physical chemistry |
Membrane Trafficking |
Biomedical Research |
Physical Chemistry |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters and index. |
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Nota di contenuto |
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Membrane Hydration: A hint to a new model for bio membranes -- Use of X-ray and neutron scattering methods with volume measurements to determine lipid bilayer structure and number of water molecules/lipid -- Water and Lipid Bilayers -- Hydration forces between lipid bilayers – a theoretical overview and a look on methods exploring dehydration -- Monitoring membrane hydration with 2-(dimethylamino)-6-acylnaphtalenes fluorescent probes -- Long-Range Lipid-Water Interaction as Observed by ATR-FTIR Spectroscopy -- Hydration And Nano confined Water. Some Insights From Computer Simulations -- Aquaphotomics: near infrared spectroscopy and water states in biological systems -- Hydration in lipid monolayers: Correlation of water activity and surface pressure -- Water at Biological Phase Boundaries: Its Role in Interfacial activation of enzymes and metabolic pathways -- Anhydrobiosis: An Unsolved Problem With Applications in |
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Sommario/riassunto |
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This book is about the importance of water in determining the structure, stability and responsive behavior of biological membranes. Water confers to lipid membranes unique features in terms of surface and mechanical properties. The analysis of the hydration forces, plasticiser effects, controlled hydration, formation of microdomains of confined water suggests that water is an active constituent in a water-lipid system. The chapters describe water organization at the lipid membrane–water interphase, the water penetration, the long range water structure in the presence of lipid membranes by means of X-ray and neutron scattering, general polarization, fluorescent probes, ATR-FTIR and near infrared spectroscopies, piezo electric methods, computer simulation and surface thermodynamics. Permeation, percolation, osmotic stress, polarization, protrusion, sorption, hydrophobicity, density fluctuations are treated in detail in self-assembled bilayers. Studies in lipid monolayers show the correlation of surface pressure with water activity and its role in peptide and enzyme interactions. The book concludes with a discussion on anhydrobiosis and the effect of water replacement in microdomains and its consequence for cell function. New definitions of lipid/water interphases consider water not only as a structural-making solvent but as a mediator in signalling metabolic activity, modulating protein insertion and enzymatic activity, triggering oscillatory reactions and functioning of membrane bound receptors. Since these effects occur at the molecular level, membrane hydration appears fundamental to understand the behavior of nanosystems and confined environments mimicking biological systems. These insights in structural, thermodynamical and mechanical water properties give a base for new paradigms in membrane structure and function for those interested in biophysics, physical chemistry, biology, bio and nanomedicine, biochemistry, biotechnology and nanosciences searching for biotechnological inputs in human health, food industry, plant growing and energy conversion. |
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2. |
Record Nr. |
UNINA9910254473903321 |
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Titolo |
Practical Pelvic Floor Ultrasonography : A Multicompartmental Approach to 2D/3D/4D Ultrasonography of the Pelvic Floor / / edited by S. Abbas Shobeiri |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017 |
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ISBN |
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Edizione |
[2nd ed. 2017.] |
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Descrizione fisica |
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1 online resource (XIV, 368 p. 554 illus., 470 illus. in color.) |
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Disciplina |
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Soggetti |
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Urology |
Colon (Anatomy) - Surgery |
Radiology |
Gynecology |
Colorectal Surgery |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di contenuto |
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Pelvic Floor Anatomy -- 2D/3D Endovaginal and Endoanal Instrumentation and Techniques -- Instrumentation and Techniques for Perineal and Introital Pelvic Floor Ultrasound -- Perineal Pelvic Floor Ultrasound: Applications and Literature Review -- 3D Endovaginal Ultrasound Imaging of the Levator Ani Muscles -- 3D Endovaginal Ultrasound Imaging of Pelvic Floor Trauma -- Endovaginal Urethra and Bladder Imaging -- 2D/3D Transperineal and 3D Endovaginal Imaging of the Posterior Compartment -- Endovaginal Imaging: Vaginal Mesh and Implants -- Endovaginal Imaging: Slings -- Imaging of Urethral Bulking Agents -- Endovaginal Imaging: Pelvic Floor Cysts and Masses -- Endoanal Ultrasonographic Imaging of the Anorectal Region -- Endoanal Imaging of Anorectal Cysts and Masses -- Ultrasound-Augmented Clinical Examination and Intraoperative Pelvic Floor Ultrasonography -- Ultrasound in Pelvic Floor Physiotherapy -- Emerging Imaging Technologies and Techniques -- Patient-Specific Studies of Pelvic Floor Biomechanics Using Imaging. |
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Sommario/riassunto |
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This new edition provides the most up to date, state-of-the art review |
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of current literature which provides an introduction to pelvic floor imaging, as well as a resource to be used during initial and more advanced practice. The book features new chapters on Vaginal mesh imaging, ultrasound of implanted material, pelvic floor trauma, and ultrasound in pelvic floor therapy. The reader will gain competence in performing transperineal, endovaginal and endoanal 3D/4D ultrasound evaluation of the pelvic floor including anal sphincter and levator ani complex. The text provides a basic understanding of how to perform a transperineal, an endovaginal and endoanal pelvic floor ultrasound and use the desktop 3D/4D softwares to obtain basic measurements. Concise textual information from acknowledged experts is complemented by high-quality diagrams and images to provide a thorough update of this rapidly evolving field. Introductory chapters fully elucidate the anatomical basis underlying disorders of the pelvic floor, followed by 1) 3D/4D transperineal imaging, 2) 3D endovaginal imaging of the urethra and the bladder, Levator ani muscles, the anorectal area, and 3) 3D endoanal imaging. Measurement protocols and case reviews are demonstrated at the conclusion. Written entirely by experts in their fields, the second edition of Practical Pelvic Floor Ultrasonography: A Multicompartmental Approach to 2D/3D/4D Ultrasonography of the Pelvic Floor is a comprehensive resource that will be of great value to urogynecologists, colorectal surgeons, obstetrician and gynecologists, female urologists, ultrasonographers, radiologists, physiotherapists, as well as fellows in urogynecology and colorectal surgery. |
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