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Organ of Corti-specific polypeptides: OCP-I and OCP-II (1980)

Thalmann, I. ; Rosenthal, H. L. ; Moore, B. W. ; [et al.]

Springer

European archives of oto-rhino-laryngology and head & neck 226 (1980), S. 123-128

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ISSN: 1434-4726

Keywords: Organ of Corti ; Organ-specific polypeptides ; Two-dimensional polyacrylamide gel electrophoresis ; Guinea pig ; Rat ; Actin

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Summary Two polypeptides, OCP-I and OCP-II, specific to the organ of Corti of the guinea pig and the rat, were detected by two-dimensional polyacrylamide gel electrophoresis. They were neither present in other inner ear structures, nor in other organs tested. The two polypeptides constitute a substantial portion of the total protein of the organ of Corti. Both inner and outer layer of the organ of Corti contained approximately equal amounts of OCP-I and OCP-II. The molecular weights of OCP-I and OCP-II are 37,000 and 22,500 daltons, respectively. The corresponding pI values are 4.9 and 5.1, respectively. In addition, actin and tubulin were detected in both layers of the organ of Corti.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00455126

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Dissolution of amalgam in saline solution (1982)

Kozono, Yoshio ; Moore, B. K. ; Phillips, R. W. ; [et al.]

Hoboken, NJ : Wiley-Blackwell

Journal of Biomedical Materials Research 16 (1982), S. 767-774

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ISSN: 0021-9304

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Medicine , Technology

Notes: The experiment was designed to investigate the in vitro corrosion of several modern dental amalgams in saline solution over a six-month period by measuring changes in the soluble corrosion products. Based on the change of the electrical conductivity of the solution, the dissolution rate seemed to decrease gradually for the first three to four months. Then a rapid increase was observed, indicating a reactivated corrosion process. Larger dissolutions of copper and mercury were observed, especially for the high copper alloys, in these later stages. Zinc and indium, if present, were preferentially released at the earlier stages. Silver and tin could not be detected. Evidence exists that the corrosion of tin results in insoluble deposits of corrosion products.

Additional Material: 5 Ill.