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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Electronic instruments. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (545 pages)
    Edition: 1st ed.
    ISBN: 9783642460715
    Series Statement: Handbuch der Physik Encyclopedia of Physics Series ; v.4 / 23
    DDC: 621.38154
    Language: English
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  • 2
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 8 p. = 148837 B, text
    Edition: [Electronic ed.]
    Series Statement: DESY 97-254
    Language: English
    Note: Differences between the printed and electronic version of the document are possible
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  • 3
    Online Resource
    Online Resource
    New York :Nova Science Publishers, Incorporated,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (231 pages)
    Edition: 1st ed.
    ISBN: 9781536179101
    Series Statement: Chemistry Research and Applications Series
    Language: English
    Note: Intro -- Contents -- Preface -- Theoretical Bases and Mechanisms of the Electrochemical Alumina Films Formation -- Abstract -- 1. Introduction -- 1.1. Importance of Anodization for the Industrial Practice -- 1.2. Anodization. Basic Terminology and Concepts -- 1.2.1. Conceptual Backgrounds -- 1.2.2. Anodization Reactions -- 2. Oxide Layers on Metals -- 3. Processes Caused by the Anodic Polarization of Metals -- 3.1. Formation of Oxide Layers -- 3.2. Electrochemical Polishing -- 3.3. Electrochemical Etching -- 4. Classification of the Anodic Films Formed on Aluminum and Its Alloys -- 4.1. Barrier Oxide Layers (BOL) -- 4.2. Porous Oxide Layers (POL) -- 4.3. Complex Oxide Layers (COL) -- 5. Metal Oxidation Processes. Kinetics and Mechanism -- 5.1. At the Initial Moment of the Oxide Layer Growth -- 5.2. At a Later Moment of the Oxide Layer Growth -- 5.3. At Already Retarded Oxidation -- 5.4. At Oxide Layer Growth Completion -- 6. Ionic, Electronic and Dissolution Currents in the (+)Metal/Anodic Film/Electrolyte Systems -- 6.1. Ionic Currents in the System -- 6.1.1. Güntherschulze-Betz Equation [143] -- 6.1.2. Таfel-Frenkel Equation -- 6.1.2.1. Internal Control Models -- 6.1.2.2. Interface Control Models -- 6.1.2.3. Mixed Internal Surface Control Model -- 6.1.3. Equation of Young -- 6.2. Electron Currents in the System -- 6.3. Dissolution Currents in the System -- 7. Barrier AAO Formation Mechanisms. Conceptual Backgrounds -- 7.1. Currents Flowing through the (+)Al/Barrier AAO/ Electrolyte -- 7.2. Barrier AAO Layers Growth Kinetics in Galvanostatic Regime -- 7.2.1. Current Density -- 7.2.2. Electric Field Intensity -- 7.2.3. Composition of the Used Electrolyte -- 7.2.4. Electrolyte Temperature -- 7.3. Breakdown Phenomena -- 7.3.1. Principle Backgrounds -- 7.3.2. Definition and Registration of the Basic Electric Variables. , 7.3.2.1. Influence of the Current Density -- 7.3.2.2. Influence of the Electrolyte Composition -- 7.3.2.3. Influence of the Electrolyte Temperature -- 7.3.2.4. Influence of the Metallic Substrate Impurities -- 7.4. Hypotheses for the Electric Breakdown Mechanism and Origin -- 7.4.1. Thermally Induced Breakdowns Hypothesis -- 7.4.2. Microcracks Induced Breakdown Hypothesis -- 7.4.3. Hypothesis for Avalanche Breakdown through the Oxide Layer Defects -- 7.5. Quantitative Theories for the Electric Breakdown Origin and Mechanism -- 7.5.1. Dependence of the Breakdown Voltage from the Current Density and Electric Field Strength -- 7.5.2. Correlation between the Breakdown Voltage and the Electrolyte Composition -- 7.5.3. Correlation between the Breakdown Voltage and the Electrolyte Temperature -- 7.6. Barrier AAO Layers Growth Kinetics in Voltastatic Regimes -- 7.7. Ranges of Ionic and Electron Conductivity during Barrier AAOs Formation -- 8. Porous AAO Formation Mechanisms. Conceptual Backgrounds -- 8.1. Conceptual Backgrounds -- 8.2. Kinetics of the Porous AAO Layer Growth -- 8.2.1. At Galvanostatic Regime -- 8.2.2. At Voltastatic Regime -- 8.3. Pore Formation Mechanism -- 9. Complex AAO Formation Mechanisms. Conceptual Backgrounds -- 9.1. Conceptual Backgrounds -- 9.2. Re-Anodization Kinetics -- 9.2.1. Filling of AAO with Shallow Pores -- 9.2.2. Filling of AAO with Shallow Pores -- 9.3. Breakdown Phenomena Related to Complex AAO Formation -- 9.4. Porosity Rate Determination -- Conclusion -- Acknowledgments -- References -- Biographical Sketches -- Aluminum Oxide as a Support for the Exhaust Gases Purification Catalysts -- Abstract -- Introduction -- Electron-Donor Sites on the Surface of γ-Al2O3 and Their Role in the Stabilization of Supported Palladium. , A Study on the Electron-Donor Sites on the Surface of γ-Al2O3 and their Role in the Process of CO Oxidation -- Identification of the Active Sites of the Pd/γ­Al2O3 catalysts by Temperature-Programed Reduction and Diffuse Reflectance UV-vis Spectroscopy -- Interaction of Rhodium with Pure and La­Modified γ­Al2O3 Supports -- Rhodium Supported on Pure Alumina -- Rhodium Supported on La-Doped Alumina -- Role of the Electron-Donor Sites in the Stabilization of Bimetallic Pd-Rh/γ­Al2O3 Catalysts -- Conclusion -- References -- Size Effects in Structural Stabilization of Aluminum Oxide for High-Temperature Applications -- Abstract -- Introduction -- Carbon Coated γ-Al2O3 with Enhanced PHASE Stability at High Temperatures -- Comparative Study of Phase Transformations in the Systems Al2O3 and Al2O3@C Obtained by Conventional Approach -- Comparative Study of Phase Transformations in the Systems Al2O3 and Al2O3@C Obtained by Aerogel Technique -- Comparative Study of Phase Transformations in the Systems χ­Al2O3 and χ­Al2O3@C -- Conclusion -- References -- Index -- Blank Page.
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  • 4
    Keywords: Learning-Physiological aspects. ; Learning, Psychology of. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (294 pages)
    Edition: 1st ed.
    ISBN: 9780306482069
    Series Statement: Contemporary Trends and Issues in Science Education Series ; v.18
    DDC: 153.1/5
    Language: English
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  • 5
    Online Resource
    Online Resource
    Hauppauge :Nova Science Publishers, Incorporated,
    Keywords: Plasmons (Physics). ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (192 pages)
    Edition: 1st ed.
    ISBN: 9781621000839
    Series Statement: Physics Research and Technology
    DDC: 530.4/16
    Language: English
    Note: Intro -- PLASMONS STRUCTURE, PROPERTIES AND APPLICATIONS -- PLASMONS STRUCTURE, PROPERTIES AND APPLICATIONS -- CONTENTS -- PREFACE -- PLASMONIC BIOSENSORS FOR SENSITIVE MEASUREMENTS IN COMPLEX BIOLOGICAL MATRICES -- ABSTRACT -- INTRODUCTION -- FUNDAMENTAL SURFACE DESIGN CONCEPTS -- SELF ASSEMBLED MONOLAYERS (SAMS) -- LINKER CHEMISTRY -- POLYMERS -- DNA -- BLOOD -- SALIVA -- OTHER FLUIDS -- CONCLUSION -- REFERENCES -- DESIGN AND CONSTRUCTION OF MULTIFUNCTIONAL SERS-ACTIVE SUBSTRATES FOR BIOELECTRONIC DEVICES -- ABSTRACT -- 1. INTRODUCTION -- 2. CONSTRUCTION OF SERS-ACTIVE SUBSTRATES -- 2.1. Noble Metal Nanostructures -- 2.2. Noble Metal Based Hybrid Nanostructures -- 3. CONSTRUCTION OF BIOELECTRONICS DEVICES -- 3.1. Biocompatible Ag Nanostructures -- 3.2. Biocompatible Au Nanostructures -- 4. APPLICATIONS -- 4.1. Biosensing Devices -- 4.1.1. SERS-Active Substrates for Heme Proteins -- 4.1.2. Electrochemical Biosensors -- 4.2. Detection of DNA -- 4.3. Detection of Cells -- CONCLUSIONS AND OUTLOOK -- ACKNOWLEDGMENTS -- REFERENCES -- DISPERSION AND DAMPING OF PLASMONIC EXCITATIONS IN METAL/METAL INTERFACES -- ABSTRACT -- INTRODUCTION -- FORMATION OF QWS -- COLLECTIVE EXCITATIONS -- Theoretical Background -- Experimental -- RESULTS AND DISCUSSION -- Ag Films on Ni(111) -- Ag/Cu(111) -- Damping Processes of the SP in Ag/Cu(111) -- Na/Cu(111) -- ACKNOWLEDGMENTS -- CONCLUSIONS -- REFERENCES -- GENERATION OF SURFACE PLASMON RESONANCE FOR SUB-WAVELENGTH NANO-PHOTOLITHOGRAPHY -- ABSTRACT -- 1. INTRODUCTION -- 1.1. The Lithographic Process -- 1.2. Next Generation Lithography Technologies -- 2. FABRICATION OF THE PLASMONIC MASK -- 3. DETECTION OF SURFACE PLASMONS ON AG THIN FILM -- 3.1. Optical Properties of the Hexagonally Closely Packed Ag Nanaoparticle Array -- 4. DIRECT NANO PATTERNING OF A TWO DIMENSIONAL STRUCTURE -- CONCLUSION -- REFERENCES. , APPLICATIONS OF GOLD NANORODS BASED ON LOCALIZED SURFACE PLASMON RESONANCE -- ABSTRACT -- 1. INTRODUCTION -- 2. LOCALISED SURFACE PLASMON RELATED LUMINESCENCE |OF GNRS -- 2.1. Localised Surface Plasmon of Gold Nanorods -- 2.2. Surface Plasmon Enhanced Two-Photon Luminescence (TPL) -- A. Surface Plasmon Effect -- B. Polarization Dependence -- C. Fluorescence Lifetime -- 2.3. Applications in Biomedical Imaging -- 3. ENERGY TRANSFER -- 4. FLUORESCENCE ENHANCEMENT -- 5. SPASER -- SUMMARY -- REFERENCES -- STUDYING LIVING CELLS BY INFRARED SURFACE PLASMON SPECTROSCOPY -- ABSTRACT -- INTRODUCTION -- METHODOLOGY -- Surface Plasmon Resonance (SPR) -- Losses -- Sampling Depth -- Spatial Resolution -- EXPERIMENTAL -- Setup -- Cell Preparation -- LIVING CELL STUDIES, RESULTS AND DISCUSSION -- A. Cell Adhesion, Spreading and Detachment -- B. Calcium Depletion -- C. Chlorpromazine Treatment -- D. Cell Confluence -- CONCLUSION -- REFERENCES -- INTERFACE PLASMON POLARITONS IN UNIAXIAL BIANISOTROPIC STRUCTURES -- ABSTRACT -- 1. INTRODUCTION -- 2. MATERIAL TENSORS AND CONSTITUTIVE RELATIONS -- 3. PARTIAL WAVES -- 3.1. Attenuation Constants -- 3.2. Field Structure in Partial Waves -- 4. DISPERSION RELATIONS OF THE SURFACE MODES -- 5. SURFACE PLASMON POLARITONS IN NONDISSIPATIVE CASE -- 5.1. Resonance and Cutoff Frequencies -- 5.2. Frequency Regions of the Wave Existence -- 6. DISPERSION CURVES -- 7. REFRACTION INDEX IN THE PRESENCE OF THE WAVE DISSIPATION -- 8. PROPAGATION LENGTH -- CONCLUSION -- REFERENCES -- RAMAN STUDIES OF ANISOTROPY OF PHONON-PLASMON MODES IN GAAS/ALAS DOPED SUPERLATTICES GROWN ON FLAT AND NANOFACETED SURFACES -- ABSTRACT -- INTRODUCTION -- EXPERIMENTAL -- RESULTS AND DISCUSSION -- SUMMARY -- ACKNOWLEDGMENTS -- REFERENCES -- INDEX.
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  • 6
    Online Resource
    Online Resource
    Hamburg : DESY
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 38 p. = 380535 B, text
    Edition: [Electronic ed.]
    Series Statement: DESY 97-162
    Language: English
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  • 7
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 55 (1983), S. 329-334 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: In basic solutions, pyruvate enolizes and reacts (through its 3-carbon) with the 4-carbon of the nicotinamide ring of NAD+, yielding an NAD-pyruvate adduct in which the nicotinamide ring is in the reduced form. This adduct is a strong inhibitor of lactate dehydrogenase, presumably because it binds simultaneously to the NADH and pyruvate sites. The potency of the inhibition, however, is muted by the adduct's tendency to cyclize to a lactam. We prepared solutions of the pyruvate adduct of NAD+ and of NAD+ analogues in which the —C(O)NH2 of NAD+ was replaced with C(S)NH2, −C(O)CH3, and −C(O)H. Of the four, only the last analogue, 3-[4-(reduced 3-pyridine aldehyde-adenine dinucleotide)]-pyruvate (RAP) cannot cyclize and it was found to be the most potent inhibitor of beef heart and rat brain lactate dehydrogenases. The inhibitor binds very tightly to the NADH site (Ki∼ 1 nM for the A form). Even at high concentrations (20 μM), RAP had little or no effect on rat brain glyceraldehyde-3-phosphate, pyruvate, α-ketoglutarate, isocitrate, soluble and mitochondrial malate, and glutamate dehydrogenases. The glycolytic enzymes, hexokinase and phosphofructokinase, were similarly unaffected. RAP strongly inhibited lactate production from glucose in rat brain extracts but was less effective in inhibiting lactate production from glucose in synaptosomes.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1540-8167
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Endothelin System in Atrial Fibrillation. Introduction: Activation of the endothelin system is an important compensatory mechanism that is activated during left ventricular dysfunction. Whether this system plays a role at the atrial level during atrial fibrillation (AF) has not been examined in detail. The purpose of this study was to investigate mRNA and protein expression levels of the endothelin system in AF patients with and without concomitant underlying valve disease. Methods and Results: Right atrial appendages of 36 patients with either paroxysmal or persistent AF were compared with 36 controls in sinus rhythm. The mRNA amounts of pro-endothelin-1 (pro-ET-1), endothelin receptor A (ET-A), and endothelin receptor B (ET-B) were studied by semiquantitative polymerase chain reaction. Protein amounts of the receptors were investigated by slot-blot analysis. mRNA amounts of pro-ET-1 were increased (+ 40%; P = 0.002) only in AF patients with underlying valve disease. ET-A and ET-B receptor protein amounts were significantly reduced in patients with paroxysmal AF (−39% and −47%, respectively) and persistent AF with underlying valve disease (− 28% and − 30%, respectively) and in persistent AF without valve disease (−20% and −40%, respectively). ET-A mRNA expression was unaltered in paroxysmal and persistent AF, whereas ET-B mRNA was reduced by 30% in persistent AF with (P 〈 0.001) or without (P = 0.04) valve disease, but unchanged in paroxysmal AF. Conclusion: Substantial changes in gene expression of the endothelin system were observed in human atria during AF, especially in the presence of underlying valve disease. Alterations in endothelin expression associated with AF could play a role in the pathophysiology of AF and the progression of underlying heart disease.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1540-8167
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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