Jacob and Matiz report confirmatory dimethylglyoxime testing of snaps on infant clothing brought in by parents of children with positive nickel patch tests. The snaps were on onesies, pajamas, and bodysuits. The test is qualitative. This brief report does not print a nickel release rate or a concentration in the snaps they tested.
The PDF also contains the end of a preceding article and the start of an unrelated biotin and glycogen storage disease case. Those pages are not this paper and are not extracted.
Key numbers
No concentration from the authors’ own snaps is printed. The dimethylglyoxime result is described as positive on clothing the parents brought, with photographs of snaps, including snaps described as painted on clothing from Europe.
Figures in the references are other papers. A detection claim above 1:10,000, an elicitation figure of 0.44 µg/cm2, a count of 173 fasteners of which 6 percent were positive, and a Danish sensitisation rate are citations. They are not measurements from this brief report, and they are not entered as this paper’s results.
Methods (brief)
Clinical confirmatory dimethylglyoxime spot testing. No laboratory release method (such as EN 1811) is described.
Evidence fitness
The report supports the statement that snaps on the clothing these parents brought gave a positive dimethylglyoxime test. It does not support a release rate in µg/cm2/week, and it does not support a prevalence.
Limitations
There is no denominator for the snaps tested in clinic. The quantitative nickel literature cited in the note belongs to the cited papers.
Related evidence
- Clothing (onesies, pajamas, outerwear)
- Clasps/fasteners (snaps, zippers, buttons) used in infant products
- Nickel
- Contact allergens in toys: Health assessment of nickel and fragrances
Update history
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