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  • 1
    Electronic Resource
    Electronic Resource
    Chlamydospores of Schizophyllum commune (1973)
    Springer
    Archives of microbiology 91 (1973), S. 179-182 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The detection of chlamydospores of Schizophyllum commune in liquid medium is described. The short thick walled cells are formed by intercalary septation which leads also to modification of the septal complex. The chemical composition of the cell walls of chlamydospores is similar to the composition of the vegetative mycelium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00424760
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  • 2
    Electronic Resource
    Electronic Resource
    Adding p-aminoazobenzene may increase the sensitivity of the European standard series in detecting contact allergy to dyes, but carries the risk of active sensitization (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 33 (1995), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1995.tb02096.x
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  • 3
    Electronic Resource
    Electronic Resource
    Contact allergens in shoe leather among patients with foot eczema (2002)
    Oxford, UK : Munksgaard International Publishers
    Contact dermatitis 46 (2002), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Some patients with relapsing foot eczema and a shoe leather allergy, who fail to show positive results with standard series and shoe wear screening tray patch testing, do not respond to the use of hypoallergenic shoe leather. We assume that relevant allergens are present in hypoallergenic shoe leather. We described an experiment to demonstrate the presence of these allergens. Alcoholic extracts were made of green, black and undyed hypoallergenic shoe leather, and the extracts were fractioned by paper chromatography. The resulting chromatograms were cut into 16 equal paper disks and patch tests were performed with extracts and the paper chromatography fractions. Positive reactions were seen to all extracts and to fractions of all types of leather. From analysis of the pattern of positive patch tests we concluded that leather-related allergens (e.g. tanning agent) and dyes were present in hypoallergenic shoe leather. In these cases, alternatives to shoe leather should be sought, for instance wooden or plastic shoes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2002.460303.x
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  • 4
    Electronic Resource
    Electronic Resource
    A randomized comparison of an emollient containing skin-related lipids with a petrolatum-based emollient as adjunct in the treatment of chronic hand dermatitis (2003)
    Oxford, UK : Munksgaard International Publishers
    Contact dermatitis 48 (2003), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Hand dermatitis is a multifactorial skin disorder in which skin barrier impairment is involved in the pathogenesis. The development of topical agents that improve skin barrier function is therefore a promising approach for the management of hand dermatitis. Topically applied lipids may interfere with skin barrier function, and emollients containing skin-related lipids have been suggested to facilitate repair of the skin barrier. However, evidence for the superiority of emollients containing skin-related lipids over the more traditional emollients is still lacking. The aim of this study was to compare an emollient containing skin-related lipids (Locobase® Repair) with a traditional petrolatum-based emollient for the management of hand dermatitis. Adult males and females (n = 30) with mild to moderate chronic hand dermatitis were treated twice daily for 2 months either with an emollient containing skin-related lipids or with a pet.-based emollient. In the case of exacerbation, the patients of both treatment groups were allowed to use a mild corticosteroid according to instructions. Both treatment regimes significantly improved clinical signs of hand dermatitis as assessed by the investigator global assessment, hand eczema area and severity score. We did not observe significant differences in the improvement of clinical signs, itching, patients' assessment of efficacy, cosmetic acceptability or usage of topical corticosteroids between both treatment groups. In conclusion, this study confirms that the frequent use of emollients may be useful in the therapy of hand dermatitis. However, we could not demonstrate the superiority of this particular emollient containing skin-related lipids in patients with chronic hand dermatitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2003.00119.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of a lipid-rich emollient containing ceramide 3 in experimentally induced skin barrier dysfunction (2002)
    Oxford, UK : Munksgaard International Publishers
    Contact dermatitis 46 (2002), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In the present study we compared the effect of a ceramide 3-containing emollient (Locobase® Repair) with a control emollient (vaselinum album/cremor lanette ana) and untreated damaged skin using clinical, bioengineering and immunohistochemical methods in two different models of experimentally induced skin barrier dysfunction. In model A (n = 13) skin barrier dysfunction was inflicted at three investigation sites by tape stripping. In model B (n = 13) the volunteers were patch tested at three investigation sites with sodium dodecyl sulphate (0.2%) for 4 h a day for 4 consecutive days. The investigation sites were treated once a day with the above-mentioned agents. Irritant reaction was assessed daily by erythema scoring and measurements of transepidermal water loss (TEWL). After 5D, punch biopsies were taken from all sites. Immunohistochemical assessment was carried out with respect to epidermal proliferation, epidermal differentiation and Langerhans cells. Tape stripping resulted in an erythematous reaction and an increase of TEWL associated with up-regulation of cycling cells, involucrin and expression of cytokeratin 16. At day 4, ceramide 3-containing emollient significantly decreased (p 〈 0.03) the erythema score, TEWL and cycling cells in comparison with the untreated site. Repetitive exposure to SDS induced a variable degree of erythema, gradual increase of TEWL, an increase of cycling cells, and up-regulation of involucrin, E-FABP and SKALP. The treatment with the control emollient significantly prevented erythema, increase of TEWL and cycling cells at day 4 compared to the untreated site. In summary, the present study demonstrated that both tested emollients improve skin barrier in different conditions compared to the untreated skin. There is some indication that formulations containing skin-related lipids might be of benefit in barrier disruption following tape stripping. Different models and clinical trials are needed to establish the usefulness in specific conditions of emollients containing skin-related lipids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2002.460603.x
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of a topical corticosteroid, a retinoid and a vitamin D3 derivative on sodium dodecyl sulphate induced skin irritation (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 37 (1997), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Exposure of the skin to sodium dodecyl sulfate (SDS) leads to disruption of barrier and skin irritation. We used repetitive short exposure to a low molarity SDS solution as an in vivo model to mimic the development of irritant contact dermatitis. In this model, we studied clinical (erythema), functional (transepidermal water loss(TEWL)) and cell biological changes, 24 healthy volunteers were patch tested with SDS (0.2%) for 4 h a the day for 5 consecutive days. After removal of the patches, the exposed sites were treated 1 × daily either with a topical corticosteroid (triamcinolon acetoide cream 0.05%). a retinoid (tretinoin cream 0.025%). or a vitamin D3 derivative (calcipotriol ointment 50 microgram/g). Irritant reactions were assessed by erythema scoring and measurement of barrier function with TEWL up to 14 days after the first challenge. Skin biopsies were taken for cell biological changes at day 4. Vehicle-treated sites served as controls. Repetitive exposure of human skin to SDS resulted in a gradual increase in erythema scoring and TEWL associated with the upregulation of proliferative cells as measured by the expression of Ki-67-antigen and of differentiation markers, visualized by increased expression of involucrin and epidermal-fatty-acid binding protein (E-FABP). Skin irritation as assessed by erythema scoring and TEWL was not significantly suppressed by triamcinolone cream. However, a significant reduction of the number of cycling keratinocytes and a decrease in involucrin positive cell layers was observed in this group. Neither treatment with calcipotriol ointment nor with tretinoin cream induced improvement of skin irritation as judged by visual scoring and TEWL. In contrast to steroid treatment no significant elf eel of calcipotriol ointment or tretinoin cream treatment was observed with regard to the number of cycling cells and differentiation markers. Further studies are needed to assess whether treatment with topical corticosteroids is an effective modality in skin irritation and irritant contact dermatitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1997.tb00369.x
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  • 7
    Electronic Resource
    Electronic Resource
    Contact allergy due to Trachelium caeruleum (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 31 (1994), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1994.tb01932.x
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  • 8
    Electronic Resource
    Electronic Resource
    Rubbing test responses of the skin to man-made mineral fibres of different diameters (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 31 (1994), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The irritant potency of 5 types of insulation wools (2 types of rockwool and 3 types of glass wool) were studied on the basis of their differences in diameter by a standardized rubbing test. Assessment was done by laser Doppler flowmetry (LDF) and erythema scores. Insulation wools show a wide distribution of the diameter around the mean. Of the rockwool material, 30% consisted of small grains, called “shot”. The control test site did not change over time; thus, the rubbing procedure itself does not seem to contribute to the skin reactions. All fibre types proved to be irritant to the skin. The irritant reactions did not correspond with the mean diameter, although the fibre type with the smallest diameter was the least irritant and the fibre type with the largest diameter the strongest. The presence of “shot” had a significant effect on the LDF responses. “Shot” and the distribution around the mean diameter may play a role in eliciting the skin irritation by insulation wools.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0536.1994.tb01894.x
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  • 9
    Electronic Resource
    Electronic Resource
    Characterization of oxygen-tolerant Chinese hamster ovary cells - II. Energy metabolism and antioxidant status
    Amsterdam : Elsevier
    Free Radical Biology and Medicine 4 (1988), S. 345-356 
    Details
    ISSN: 0891-5849
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0891-5849(88)90086-X
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  • 10
    Electronic Resource
    Electronic Resource
    The distribution of various water soluble radioactive metalloporphyrins in tumor bearing mice
    Amsterdam : Elsevier
    Bioinorganic Chemistry 5 (1975), S. 87-92 
    Details
    ISSN: 0006-3061
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0006-3061(00)80224-0
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