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Digitale Medien

Pregression of perineurial cell basement membrane in a human diabetic following isogenic pancreas transplant (1989)

Beggs, J. L. ; Johnson, P. C. ; Olafsen, A. G. ; [weitere]

Springer

Acta neuropathologica 79 (1989), S. 108-112

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ISSN: 1432-0533

Schlagwort(e): Diabetes mellitus ; Diabetic neuropathy ; Pancreas transplantation ; Perineurium ; Perineurial cell basement membrane

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary Perineurial cell basement membrane (PCBM) thickening is a consistent feature in diabetes mellitus (DM) and may have relevance to the cause of DM neuropathy. In this ultrastructural morphometric study of identical twins discordant for DM, we found that the PCBM was significantly thicker in the dermal nerves of the diabetic twin. Following pancreas transplantation (PT) and a 2-year period of euglycemia, the PCBM in both dermal and sural nerves was significantly thinner. At the end of the 2nd year post-PT, the PCBM thickness in the dermal nerves of the diabetic was not significantly different from the non-DM twin. The correction of diabetic dysmetabolism may have played a role in the regression of PCBM. These data suggest that PCBM thickening may not be a permanent legacy of DM.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00308966

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Digitale Medien

Novel curing systems for chlorosulfonated polyethylene (1964)

Nersasian, A. ; King, K. F. ; Johnson, P. R.

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 8 (1964), S. 337-354

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Details

ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: Polyfunctional alcohols, acyclic, cyclic, and heterocyclic imines, and organotin oxides have been studied as crosslinking agents for chlorosulfonated polyethylene. Mechanisms for the crosslinking reactions involving the sulfonyl chloride moiety have been proposed. Differences in curing activity have been correlated with structural modifications of the curing agents consistent with classical chemical reactions for nonpolymeric systems. Of the curing systems examined, the polyols provide nontoxic, low cost, safe-processing formulations offering excellent physical properties which have found use in practical commercial applications.

Zusätzliches Material: 2 Ill.