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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Isotope dilution analysis. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (197 pages)
    Edition: 1st ed.
    ISBN: 9781483160924
    Language: English
    Note: Front Cover -- Isotope Dilution Analysis -- Copyright Page -- Table of Contents -- Preface -- Chapter 1. Principles, Types and Theory of Isotope Dilution Analysis -- 1.1. General principles -- 1.2. Classification of the methods of IDA -- 1.3. Types of IDA -- 1.4. Precision, accuracy and sensitivity of IDA -- 1.5. Advantages, drawbacks, trends -- 1.6. References -- Chapter 2. Experimental Techniques, Separation and Mass Determination -- 2.1. Reagents and tracers -- 2.2. Separation of Components -- 2.3. Determination of the amount of substance separated -- 2.4. References -- Chapter 3. Inorganic Applications -- 3.1. Determination of various elements -- 3.2. Selected procedures -- 3.3. References -- Chapter 4. Applications in Organic Chemistry and Biochemistry -- 4.1. Alcohols and ethers -- 4.2. Carboxylic acids, acid chlorides and anhydrides -- 4.3. Sulpho derivatives -- 4.4. Proteins and amino acids -- 4.5. Steroids -- 4.6. Vitamin B12 -- 4.7. Penicillin -- 4.8. Insecticides -- 4.9. Other applications in organic chemistry and biochemistry -- 4.10. References -- Chapter 5. Isotope Dilution Analysis with Stable Isotopes -- 5.1. Introduction -- 5.2. Methods for the determination of isotopic composition. Analysis by mass spectrometry -- 5.3. Fundamentals and technique -- 5.4. Practical applications -- 5.5. References -- Chapter 6. Special Applications of Isotope Dilution -- 6.1. Volume determination -- 6.2. Determination of solubility -- 6.3. Determination of radioactive contaminants -- 6.4. Determination of the content of isotopic carriers in radioactive preparations -- 6.5. Determination of dissociation constants -- 6.6. Studies on reaction rates and equilibria -- 6.7. Determination of the capacity of ion exchangers -- 6.8. Determination of the coefficient of self-absorption and of specific activity -- 6.9. Measurement of flow rates. , 6.10. References -- Index.
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  • 2
    Online Resource
    Online Resource
    San Diego :Elsevier,
    Keywords: Nuclear activation analysis. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (243 pages)
    Edition: 1st ed.
    ISBN: 9781483280042
    DDC: 543.088
    Language: English
    Note: Front Cover -- Introduction to Radioanalytical Physics -- Copyright Page -- Table of Contents -- PREFACE -- SYMBOLS AND ABBREVIATIONS -- CHAPTER 1. NUCLEAR REACTIONS -- 1.1 Introduction -- 1.2 Kinematics and consequences -- 1.3 Classification of nuclear reactions -- 1.4 Reaction mechanisms -- 1.5 Nuclear reaction cross sections -- REFERENCES -- CHAPTER 2. INTERACTION OF CHARGED PARTICLE BEAMS WITH SOLID SAMPLES -- 2.1 Ionization following charged particle bombardment -- 2.2 X-ray emission following charged particle bombardment -- 2.3 Energy loss of charged particles in matter -- 2.4 Channeling effects -- REFERENCES -- CHAPTER 3. ANALYSIS BY ELASTIC SCATTERING OF CHARGED PARTICLES -- 3.1 Introduction -- 3.2 Kinematics -- 3.3 Elastic scattering cross section -- 3.4 Backscattering from solid samples -- 3.5 Applications of backscattering to elemental analysis -- REFERENCES -- CHAPTER 4. ANALYSIS BY GAMMA-RAY DETECTION -- 4.1 Gamma-rays from nuclear reactions -- 4.2 Kinematical effects -- 4.3 Nuclear reaction mechanisms -- 4.4 Prompt gamma-ray yield from thick sample bombardment -- 4.5 Elemental analysis by prompt gamma-ray detection -- 4.6 Elemental analysis by delayed methods -- REFERENCES -- CHAPTER 5. ANALYSIS BY CHARGED PARTICLE AND NEUTRON SPECTROSCOPY -- 5.1 Introduction -- 5.2 Reaction cross sections -- 5.3 Kinematics of rearrangement collisions -- 5.4 Particle spectra -- 5.5 Solid sample bombardment -- 5.6 Analytical applications -- REFERENCES -- CHAPTER 6. ANALYTICAL APPLICATIONS OF NUCLEAR REACTIONS -- 6.1 Introduction -- 6.2 Sensitivity -- 6.3 Light element determination by delayed techniques -- 6.4 Light element determination by prompt radiation detection -- 6.5 Heavy elements -- 6.6 Typical applications -- REFERENCES -- TABLES -- AUTHOR INDEX -- SUBJECT INDEX.
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  • 3
    Online Resource
    Online Resource
    Amsterdam :Elsevier Science & Technology,
    Keywords: Liquid chromatography. ; Liquid chromatography -- Bibliography. ; Electronic books.
    Description / Table of Contents: EXTRACTION CHROMATOGRAPHY.
    Type of Medium: Online Resource
    Pages: 1 online resource (585 pages)
    Edition: 1st ed.
    ISBN: 9780080858029
    Series Statement: Issn Series ; v.Volume 2
    DDC: 543.08
    Language: English
    Note: Front Cover -- Extraction Chromatography -- Copyright Page -- Contributors -- Preface -- Contents -- Chapter 1. Theoretical Aspects Of Extraction Chromatography -- 1. General comments -- 2. The influence of the support on the thermodynamic activities of the extractant and extracted complex -- 3. Main factors influencing the distribution coefficient and selectivity -- 4. Dynamic factors in extraction chromatography -- Chapter 2. Correlation Between Extraction Chromatography And Liquid-Liquid Extraction -- 1. Theoretical correlation between liquid-liquid extraction and extraction chromatography -- 2. General considerations on the comparison of liquid-liquid extraction and extraction chromatographic results -- 3. Similarities in the practice of liquid-liquid extraction and extraction chromatography in each type of extraction system -- 4. Concluding remarks -- Chapter 3. Techniques In Column Extraction Chromatography -- Introduction -- 1. Standardization of support material -- 2. Loading of the support material with stationary phase -- 3. Bed dimensions, column types and column packing procedures -- 4. Determination of column parameters -- 5. Working techniques in operating extraction chromatographic columns -- 6. Detection methods -- Chapter 4. Stationary Phases In Extraction Chromatography -- Introduction -- 1. General performances of stationary phases -- 2. Systematic survey of the extractants used as stationary phases -- Chapter 5. Inert Supports In Column Extraction Chromatography -- 1. Requirements for supports in partition chromatography -- 2. Materials used for supports -- 3. The influence of the structure and size of the support particles on the efficiency of chromatographic columns -- 4. Properties of the different supports -- 5. Loading of the stationary phase on the supports. Regeneration of supports. , 6. Supports for preparative and continuous chromatography -- Chapter 6. Extraction Chromatography Of Metallic And Non-Metallic Ions -- Introduction -- 1. Radiochemical separations and production of carrier-free radioisotopes. The separation of mother-daughter pairs -- 2. The separation of alkali and alkaline earth metals -- 3. The separation of I B and IIB sub-group elements -- 4. The separation of aluminium group metals -- 5. The separation of IVB sub-group elements -- 6. The separation of chromium sub-group elements -- 7. The separation of iron sub-group elements -- 8. The separation of noble metals -- 9. The separation of halide ions -- 10. The separation of other ions -- Chapter 7. Extraction Chromatography Of Actinides -- 1. Introduction -- 2. Liquid-liquid extraction of actinides -- 3. Extraction chromatography of actinides -- 4. Examples of actinide separations by extraction chromatography -- Chapter 8. Extraction Chromatography Of Lanthanides -- Introduction -- 1. Extraction of lanthanides -- 2. The double-double effect and its significance for the lanthanide and actinide separation -- 3. The enthalpies of lanthanide extraction and the influence of temperature on the separation factor -- 4. Survey of the lanthanide separations -- 5 . Resolution ability of columns used for the separation of lanthanides -- Chapter 9. Extraction Chromatography Of Fission Products -- 1. Introduction -- 2. Separation systems and procedures -- 3. Reprocessing analysis -- 4. Burn-up Analysis -- 5. Fission products in nuclear chemistry -- 6. Commercial fission product recovery -- Chapter 10. Use Of Extraction Chromatography In Radiotoxicology -- 1. General remarks -- 2. Analytical procedures -- 3. Conclusions -- Chapter 11. Chelating Agents As Stationary Phase In Extraction Chromatography -- 1. Introduction -- 2. Theory of extraction by chelating agents. , 3. Experimental technique -- 4. Chelating agents and systems used -- Chapter 12. Use Of Extraction Chromatography For Trace Metal Preconcentration And Separation -- 1. Introduction -- 2. Experimental techniques -- 3. Individual and collective preconcentration and separation of trace impurities -- 4. Effects of certain factors on the preconcentration and separation of elements by column extraction chromatography -- 5. Conclusions -- Chapter 13. Use Of Cellular Plastics In Extraction Chromatography -- I. Introduction -- 2. Cellular plastics as extraction chromatographic supports -- 3. The application of foam-filled columns in some inorganic and radiochemical separations -- Chapter 14. Laminar Techniques As An Aid In Planning Column Extraction Chromatographic Separations -- 1. Introduction -- 2. Experimental techniques in laminar extraction chromatography -- 3. Correlation between Rf values and distribution coefficients -- 4. Correlation between Rf values and retention volumes -- 5. Planning column separations from laminar results -- 6. Literature survey of available Rf spectra -- 7. Conclusions -- Chapter 15. Bibliography Of Extraction Chromatography -- 1. Introduction -- 2. Selection of papers -- 3. Bibliographies -- 4. Reviews and books -- 5. Original publications on laminar extraction chromatography -- 6. Original publications on column extraction chromatography -- 7. Tabular survey of experimental data on column extraction chromatographic investigations -- 8. Stationary phases used in column extraction chromatography -- 9. Support materials used in column extraction chromatography -- 10. Author index -- 11. Corporate author index -- Subject Index.
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  • 4
    Keywords: Forschungsbericht
    Description / Table of Contents: Flip Chip technology, underfilling, encapsulation, material characterization, reliability analysis, thermal conductivity
    Type of Medium: Online Resource
    Pages: Online-Ressource ([2], 20 p., 1,32 Mb.) , ill., graphs
    Edition: [Elektronische Ressource]
    Language: German , English
    Note: Differences between the printed and electronic version of the document are possible. - Contract BMBF 03 N 3058 E. - joint project number 01013309. - Engl. abstract under title: Characterization of underfill materials regarding thermal and thermomechanical properties and analysis of the reliability behavior of Flip Chip assemblies "PUMA-IZM" within the project "PUMA". - nBibliography p. 20 , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 5 (1969), S. 300-303 
    ISSN: 1432-0428
    Keywords: Insulin sensitivity ; feeding pattern ; adipose tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Dans cet article les auteurs ont étudié la sensibilité à l'insuline du tissu adipeux et du diaphragme de rats adaptés à l'hyperphagie périodique. L'insuline était administrée par voie intrapéritonéale en quantités ne modifiant pas le taux de la glycémie. L'incorporation du glucose marqué, administré en même temps que l'insuline, dans les lipides du tissu adipeux parametrial et dans le glycogène du diaphragme, a été étudiée en même temps que le contenu en glycogène du diaphragme. En outre, les auteurs ont étudié l'influence de l'addition d'insuline au milieu sur le contenu en glycogène du diaphragme isolé. On a constaté que le tissu adipeux des rats adaptés répondait à l'insuline à tous les taux utilisés, d'une manière plus sensible que le tissu adipeux des rats témoins nourris ad libitum. D'autre part on n'a trouvé aucune différence dans la sensibilité du diaphragme à l'insuline in vivo ou in vitro. La relation entre les variations morphologiques et fonctionnelles dans le tissu adipeux des rats adaptés et la réactivité augmentée de ce tissu à l'insuline est discutee.
    Abstract: Zusammenfassung Die Autoren überprüften die Empfindlichkeit des Fettgewebes und des Zwerchfells gegenüber Insulin bei Ratten, die sie an stoßweise Nahrungszufuhr gewöhnt hatten. Insulin wurde dabei in nicht blutzuckerwirksamen Mengen i. p. injiziert. Es wird über den Einbau von gleichzeitig verabreichter Radioglucose in die Lipide des parametranen Fettgewebes und das Zwerchfellglykogen und über den Glykogengehalt des Zwerchfells berichtet. Ferner untersuchten die Autoren die Wirkung von Insulinzusätzen auf den Glykogengehalt des isolierten Zwerchfells. Es zeigte sich, daß das Fettgewebe adaptierter Ratten auf alle verwandten Insulinkonzentrationen stärker ansprach als das Gewebe der Kontrolltiere mit freiem Zugang zum Futter. Andererseits wies die Insulin-Ansprechbarkeit des Zwerchfells weder in vivo noch in vitro Unterschiede auf. Die Beziehungen zwischen morphologischen und funktionellen Veränderungen des Fettgewebes adaptierter Ratten und seiner erhöhten Insulin-Empfindlichkeit werden besprochen.
    Notes: Summary In the present paper the authors have investigated the sensitivity of adipose tissue and diaphragm to insulin in rats adapted to periodic hyperphagia. Insulin was administered by the intraperitoneal route in amounts that did not affect the blood sugar level. The incorporation of labelled glucose, administered simultaneously with insulin, into lipids of parametrial adipose tissue and into glycogen of the diaphragm was investigated, together with the glycogen content of the diaphragm. Moreover, the authors investigated the influence of insulin added to the medium on the glycogen content of the isolated diaphragm. It was found that adipose tissue of adapted rats responded to insulin at all levels used, more sensitively than adipose tissue of control rats fed ad libitum. On the other hand, no differences were found in the sensitivity of the diaphragm to insulin either in vivo or in vitro. The relationship between morphological and functional changes in the adipose tissue of adapted rats and the increased reactivity of this tissue to insulin is discussed.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The human gene encoding the myogenic determination factor myf3 (mouse MyoD1) has been mapped to the short arm of chromosome 11. Analysis of several somatic cell hybrids containing various derivatives with deletions or translocations revealed that the human MyoD (MYF3) gene is not associated with the WAGR locus at chromosomal band 11p13 nor with the loss of the heterozygosity region at 11p15.5 related to the Beckwith-Wiedemann syndrome. Subregional mapping by in situ hybridization with an myf3 specific probe shows that the gene resides at the chromosomal band 11p14, possibly at 11pl4.3.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 968-968 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently some very interesting substances have been prepared, for example, chlorpromazine, which produce an effect in some respects resembling hibernation. Hence the term 'artificial hibernation'. Chlorpromazine has been used with good results in psychiatry, surgery, paediatrics and clinical states ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 936-937 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] At first, precipitation reactions were used, one of the reactants being labelled with a radioactive isotope. The precipitate resulting from titrations was separated from the solution by filtration or centrifugation and the equivalence point was determined by measuring the activity of the solution. ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 548-549 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Arrhenius plot for catalytic oxidation of CO on NiO + LiaO catalyst before (I) and after (II) 80-hr, irradiation in the nuclear reactor and after one further irradiation (III) of 80 hr. Catalyst: NiO + 2-5 mol. per cent Li2O Fig. 2. Activation energy differences H?act. (before and after ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 149 (1987), S. 125-132 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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