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  • 1
    Electronic Resource
    Electronic Resource
    Correlative light-, fluorescence- and electron-microscopic studies of catecholamine-storing cells in the adrenal medulla of the domestic fowl (1981)
    Springer
    Cell & tissue research 217 (1981), S. 471-477 
    Details
    ISSN: 1432-0878
    Keywords: Adrenomedullary cells ; Light-, fluorescence- and electronmicroscopy ; Domestic fowl
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Correlative light-, fluorescence- and electron-microscopic examinations of catecholamine-storing cells in the adrenal medulla of the domestic fowl present unequivocal criteria to identify two types of avian adrenomedullary cells. A modified Karnovsky's fixative containing s-collidine was found to be a reliable prefixative to obtain a characteristic feature of the secretory granules in adrenaline- and noradrenaline-storing cells consistently.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219358
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  • 2
    Electronic Resource
    Electronic Resource
    Studies on adhesive monomers for teeth. V. Influence of substituents in methacrylamide derivatives (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 39 (1990), S. 103-108 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    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: In order to shed light on the relationship of monomer structure and adhesiveness to tooth enamel, methacrylamides having various substituents were synthesized and evaluated as dental adhesives. Among 17 methacrylamides synthesized here, those having N-m- and N-p-carbethoxyphenyl, N-p-fluorophenyl, and N-3-carboxycyclohexyl groups showed adhesive tensile strength of more than 100 kg/cm2 with minimal drops in strength on standing, indicating high potentials as novel adhesives. It was also confirmed that a carboxyl group enhances adhesive tensile strength peculiarly regardless of skeletal structures.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1990.070390109
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  • 3
    Electronic Resource
    Electronic Resource
    Adhesive monomers to dental ceramics. I. Evaluation of N-substituted 3-amino-2-hydroxypropyl methacrylates as adhesives for calcium metaphosphate crystalline glass-ceramic (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 45 (1992), S. 1329-1333 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    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: N-Substituted 3-amino-2-hydroxypropyl methacrylates have been evaluated as adhesives for calcium metaphosphate crystalline glass-ceramic, a potential esthetic dental restoration material. Although the adhesion to the ceramic was found to be much more difficult and dependent on the kinds of substituents than that of tooth enamel, monomers having a carboxyl group showed specifically high adhesive tensile strength. The strength tended to decrease as the hydrophobicity and molecular bulkiness increased. Surface treatment of the ceramic, especially with sodium hydroxide, proved effective in terms of both strength and durability for the carboxyl-containing monomers. Scanning electron microscopy analysis confirmed the importance of surface irregularity due to the alkaline treatment.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1992.070450802
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  • 4
    Electronic Resource
    Electronic Resource
    Adhesive monomers to dental ceramics. II. Methacrylamide derivatives containing carboxyl and phenyl groups for effective adhesion of calcium metaphosphate ceramic (1994)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 51 (1994), S. 2021-2025 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    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: Twelve methacrylamide derivatives containing carboxyl and phenyl groups have been evaluated as adhesives for calcium metaphosphate ceramic, a promising but hard-to-adhere cast ceramic restoration material. Although methacrylamide monomers having a carboxyl group showed low adhesive tensile strength for the ceramic, contrary to the glycidyl methacrylate derivatives, the monomer having neighboring two carboxyl groups at the phenyl ring exhibited quite high adhesion. Moreover, the monomer proved to retain high adhesion strength for the surface-etched ceramic for a long period of time even in water and would thus be suitable for practical clinical applications. © 1994 John Wiley & Sons, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1994.070511206
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  • 5
    Electronic Resource
    Electronic Resource
    Adhesive monomers to dental ceramics. III. Influence of surface treatment on effective adhesion of calcium metaphosphate ceramic with N-(vinylbenzyl)iminodiacetic acid (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 60 (1996), S. 1821-1825 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    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: Influence of surface treatment of calcium metaphosphate ceramic was analyzed in detail to achieve high adhesion in an aqueous environment with N-(vinylbenzyl)iminodiacetic acid as a novel dental adhesive monomer. The adhesion strength was enhanced greatly by alkali etching of the ceramic surface, although the adhesion profile varied with etching conditions. Scanning electron microscopy, electron probe microanalysis, and roughness evaluation indicated that high adhesion was closely associated with the formation of fine irregularity on the surface that was rich in Ca. N-(Vinylbenzyl)iminodiacetic acid was thus confirmed to be a suitable adhesive monomer for the ceramic in dentistry in terms of strength and durability when the ceramic surface was properly etched. © 1996 John Wiley & Sons, Inc.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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