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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 7 (1997), S. S289 
    ISSN: 1432-1084
    Keywords: Key words: Breast neoplasms ; Magnetic resonance imaging ; Gadolinium/diagnostic use ; Contrast media ; Organometallic compounds/diagnostic use
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Magnetic resonance imaging (MRI) of the breast brings the advantages of high resolution cross-sectional imaging to breast cancer diagnosis, treatment and research: improved cancer detection, staging, selection of therapy, evaluation of therapeutic response in vivo, detection of recurrence, and even the development of new therapies. Until now breast cancer treatment and research has been impeded by the limited means of evaluating the breast cancer in vivo: primarily clinical palpation and mammography of the breast tumor. A review of the initial studies shows that with the use of paramagnetic contrast agents, MRI has a sensitivity of 96 % for detecting breast cancers. MRI detects multicentric disease with a sensitivity of 98 %, superior to any other modality. The ability of MRI to detect recurrent local breast cancer in the conservatively treated breast is nearly 100 %. MRI is capable of monitoring tumor response to chemotherapy and actually guiding therapeutic interventions such as interstitial laser photocoagulation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 11 (1971), S. 312-319 
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: 3,3,3-Trichloropropylene oxide (TCPO) is a monomer which has the combination of a highly reactive epoxide group and a stable trichloromethyl group. The epoxy group will undergo ring opening polymerizations with itself and with a host of other compounds to yield polymeric materials. Water, alcohols, phenols, amines, carboxylic acids and many other compounds react with TCPO with the aid of Lewis acid type catalysts. The electron-withdrawing influence of the trichloromethyl group, steric effects and the oxirane ring have a strong influence on the course of reactions, which are often radically different from that encountered with the simpler alkylene oxide monomers.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 79 (1967), S. 315-316 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 31 (1948), S. 1611-1616 
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Durch Umsatz mit NaJ wurde aus 5,6-Ditosyl-l, 2,3,4-diaceton-D-mannit das (D-arabo) 3,4,5,6-Tetraoxyhexen-(1), aus letzterem (u-arabo) 3,4,5,6-Tetraoxyhexan hergestellt. Aus 1,2,5,6-Tetratosyl-D-mannit gewann man durch Einwirkung von Natriumjodid D-α, α′-Divinylglykol und aus diesem durch Reduktion D-3,4-Dioxy-hexan.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A: General Papers 1 (1963), S. 799-815 
    ISSN: 0449-2951
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A study has been made of the effect of concentration of the crosslinking agent, gelatin concentration, and pH on the rate of increase of viscosity with time, for gelatin solutions containing either formaldehyde or glyoxal. The results are consistent with the kinetic relationship: \documentclass{article}\pagestyle{empty}\begin{document}$ {\rm Rate of crosslinking} \propto \left[ {{\rm Gelatin}} \right]^2 {{\left[ {{\rm Crosslinking agent}} \right]^n } \mathord{\left/ {\vphantom {{\left[ {{\rm Crosslinking agent}} \right]^n } {\left[ {{\rm H}^{\rm + } } \right]}}} \right. \kern-\nulldelimiterspace} {\left[ {{\rm H}^{\rm + } } \right]}} $\end{document} For formaldehyde, n is 2. For glyoxal, n is 1, as was expected for this bifunctional hardener. Initial formation of gelatin-methylol compounds is proposed in both cases. With formaldehyde, it is suggested that this leads to a methylene-ether crosslink between a gelatin amino-methylol compound and an unspecified gelatin-methylol compound, while in the case of glyoxal, there is evidence to suggest that the crosslinkage involves two side-chain amino groups and results in a charged crosslink.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 6 (1967), S. 364-364 
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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