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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 37 (1997), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: It has been known since the 1940s that nail polishes contain allergenic ingredients. The aim of this study was to clarify whether the nail polishes on the market today contain significant amounts of allergens, and what the solvents are. The following ingredients were determined: toluene, toluene sulfonamide formaldehyde resins, free formaldehyde, acrylates, methacrylates and certain organic-solvents. The study comprised 20 brands and 42 samples. All the nail polishes analyzed contained allergenic toluene sulfonamide formaldehyde resins (TSFR), in concentrations from 0.08 to 11.0%. The concentration of total formaldehyde varied from O.12% to 0.5%. The more TSFR a nail polish contained, the higher was its formaldehyde content. Probably not only TSFR-allergic but also formaldehyde-allergic persons may get dermatitis from many of the nail polishes studied. The concentrations of acrylates and methacrylates were so small that they are of practical significance only to those previously sensitized lo acrylates. Of the organic solvents, toluene was still widely used, whereas xylene was found in only 1 product. The nail polishes on the market today are not safe for all consumers. However, according to the regulations of the European Union, the packaging labeling of all cosmetic products must be supplied with a list of ingredients from the beginning of 1998. This will help the consumer to avoid allergenic products. A better alternative could, however, be to substitute the most allergenic ingredients with substances possessing minor allergy potency.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : Munksgaard International Publishers
    Contact dermatitis 44 (2001), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    International archives of occupational and environmental health 70 (1997), S. 424-427 
    ISSN: 1432-1246
    Keywords: Key words Triethylamine ; Biomonitoring ; Foundry ; Cold-box cores
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives: The objectives of the study were to assess triethylamine (TEA) exposure in cold-box core making and to study the applicability of urinary TEA measurement in exposure evaluation. Methods: Air samples were collected by pumping of air through activated-charcoal-filled glass tubes, and pre- and postshift urine samples were collected. The TEA concentrations were determined by gas chromatography. Design: Tea was measured in air and urine samples from the same shift. Breathing-zone measurements of 19 workers in 3 foundries were included in the study, and stationary and continuous air measurements were also made in the same foundries. Pre- and postshift urine samples were analyzed for their TEA and triethylamine-N-oxide (TEAO) concentrations. Results: The TEA concentration range was 0.3–23 mg/m3 in the breathing zone of the core makers. The mean 8-h time-weighted average exposure levels were 1.3, 4.0, and 13 mg/m3 for the three foundries. Most of the preshift urinary TEA concentrations were under the detection limit, whereas the postshift urinary TEA concentrations ranged between 5.6 and 171 mmol/mol creatinine. The TEAO concentrations were 4–34% (mean 19%) of the summed TEA+TEAO concentrations. The correlation between air and urine measurements was high (r = 0.96, P 〈 0.001). A TEA air concentration of 4.1 mg/m3 (the current ACGIH 8-h time-weighted average threshold limit value) corresponded to a urinary concentration of 36 mmol/mol creatinine. Conclusions: The TEA exposure levels of foundries and their core makers vary greatly. Stationary air measurements in factories are not sufficient to assess TEA exposure; instead, personal sampling is needed. The biological monitoring of TEA in postshift urine samples provides a practical and accurate method for assessing exposure.
    Type of Medium: Electronic Resource
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  • 4
    Publication Date: 2023-05-06
    Description: This is global land use data from PLUM1.3 (Parsimonious Land Use Model version 1.3). Here we provide simulated global yield and cropland data displayed in Roslyn et al. Country-level data as well as the model it-self can be provided on demand.
    Type: Dataset
    Format: application/zip, 6.2 MBytes
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