Sökning: L773:0105 1873 OR L773:1600 0536
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Allergic contact de...
Allergic contact dermatitis from dicyclohexylmethane-4,4 '-diisocyanate
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- Engfeldt, Malin (författare)
- Lund University,Lunds universitet,Yrkes- och miljödermatologi,Forskargrupper vid Lunds universitet,Occupational and Environmental Dermatology,Lund University Research Groups
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- Björkner, Bert (författare)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine
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Hamnerius, N (författare)
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- Zimerson, Erik (författare)
- Lund University,Lunds universitet,Yrkes- och miljödermatologi,Forskargrupper vid Lunds universitet,Occupational and Environmental Dermatology,Lund University Research Groups
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(creator_code:org_t)
- Wiley, 2003
- 2003
- Engelska.
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873 .- 1600-0536. ; 48:6, s. 305-309
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- From August 1999 to April 2001, there was an outbreak of severe eczema at a factory manufacturing medical equipment. A glue, mainly based on the isocyanate dicyclohexylmethane-4,4'-diisocyanate (DMDI), was suspected as being the cause of the problem. 16 workers with recent episodes of eczema were patch tested with a standard series, an isocyanate series and work material. The latter consisted of, among other things, the glue, DMDI, and an amine, dicyclohexylmethane-4,4'-diamine (DMDA), which is formed when DMDI reacts with water. 13 patients reacted to DMDI, 9 to 1,6-hamethylenediisocyanate (HDI) and 4 to isophoronediisocyanate (IPDI), all of which are aliphatic isocyanates. None reacted to the aromatic isocyanates, diphenylmethane-4,4'-diisocyanate (MDI) or toluenediisocyanate (TDI). One explanation for this pattern could be that aromatic diisocyanates are more reactive than the aliphatic ones and that, therefore, they are inactivated before penetrating the skin. 5 patients reacted to DMDA and 5 to 4,4-diaminodiphenylmethane (MDA). Concurrent reactions to DMDA and or MDA with DMDI could be due to cross-reactivity. The positive reactions to MDA could also be a marker of MDI exposure. Yet another patient, investigated in 1997 with suspected work-related contact dermatitis from the glue, is described. She, however, showed no positive reactions to any isocyanates.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
Nyckelord
- polyurethane
- occupational
- methylenebis(4-cyclohexylisocyanate)
- DMDI
- contact allergy
- CAS 5124-30-1
- CAS 1761-71-3
- 4 ' diisocyanate
- dicyclohexylmethane-4
- allergic contact dermatitis
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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