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  • 11
    Electronic Resource
    Electronic Resource
    Clinical reactions to systemic provocation with gold sodium thiomalate in patients with contact allergy to gold (1996)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 135 (1996), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In a double blind experimental study, 20 patients with a contact allergy to gold sodium thiosulphate were challenged intramuscularly with the chemically similar gold sodium thiomalate and with placebo. The most spectacular clinical reaction in the 10 patients given the active agent, was an epidermal and dermal flare up of healed patch-test reactions to the gold salts, as well as a high, but transient, rise in body temperature. Previous intradermal tests were similarly reactivated. In addition, toxicoderma-like rashes were observed in several cases, but a flare up of a previous contact dermatitis site was seen in one patient only. The specificity of the positive provocations was demonstrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.1996.d01-1015.x
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  • 12
    Electronic Resource
    Electronic Resource
    Possible association between loudness dependence of auditory evoked potentials and tryptophan hydroxylase-alleles in alcoholics (2000)
    Oxford, UK : Blackwell Publishing Ltd
    Addiction biology 5 (2000), S. 0 
    Details
    ISSN: 1369-1600
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The serotonergic neurotransmission was suggested to play an important role in the aetiology of alcoholism. This study explores the association between tryptophan hydroxylase (TPH)-alleles and Loudness Dependence of Auditory Evoked N1/P2 Potentials (LDAEP). The TPH is the rate-limiting biosynthetic enzyme in serotonergic pathway. The LDAEP is one of the best validated non-invasive indicators for serotonergic neurotransmission. A sample of 54 alcoholics was recruited. N1/P2 potentials were evoked by five different sound intensities. A dipole source analysis using BESA (brain electric signal topography) was performed and intensity dependence was computed. The TPH intron 7 polymorphism was determined by using PCR in DNA samples. There was a weak but significant association between low LDAEP and the L-TPH allele. No influence from an individual's history of alcohol dependence or a positive family history of alcohol dependence on LDAEP was found. The weak but significant relationship found between L-TPH-allele and high serotonergic neurotransmission may contribute to a more detailed neurobiological characterization of alcohol dependents using functional and genetic parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1369-1600.2000.tb00194.x
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  • 13
    Electronic Resource
    Electronic Resource
    Congenital self-healing reticulohistiocytosis – A benign Langerhans cell disease (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 21 (1994), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: An-11-day old girl was seen with brownish nodular lesions scattered over (he body with emphasis on the face and seal). Several lesions had started lo involute. Tissue was studied by histopathology, immunohistopathology, routine electron microscopy, and immuno-electron microscopy using cryosubstitution and embedding in K4M. Immunohistopathology revealed that the cells of the dermal infiltrate were Langerhans cells. They expressed Leu 6 and HLA-DR. On routine electron microscopy no Birbeck granules were (bund in the dermal cells. Birbeck granules in epidermal Langerhans cells were deformed and often situated next to laminated dense bodies. The latter expressed Leu 6 and HLA-DR. on immuno-electron microscopy. It was concluded that congenital self-healing reticulohistiocytosis is a benign Langerhans cell disease in which Birbeck granules are transformed to laminated dense bodies and possibly degraded by lysosomal enzymes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1994.tb00692.x
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  • 14
    Electronic Resource
    Electronic Resource
    Melanocytes in nevi and melanomas synthesize basement membrane and basement membrane-like material. An immunohistochemical and electron microscopic study including immunoelectron microscopy (2000)
    Copenhagen : Munksgaard International Publishers
    Journal of cutaneous pathology 27 (2000), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Light microscopic studies have shown that nevus cell nests and melanoma nests are surrounded by basement membrane (BM) material containing type IV collagen and laminin. This study confirms this by electron microscopy and relates it to proteins which interact with the basement membrane. Nevi except for dysplastic and Spitz nevi, malignant melanomas, and melanoma metastases were studied by immunohistopathology, routine electron microscopy (EM), and immunoelectron microscopy. The lesions were incubated with monoclonal antibody (moAb) against type IV collagen, laminin, and the integrin α6 and studied by light microscopy. In addition, melanomas were studied by immuno-EM after incubation with a moAb against matrix metalloproteinase-2 (MMP-2). Nevus cell nests and melanoma nests are surrounded by BM material containing type IV collagen and laminin by immuno-EM. The BM material various in thickness and is amorphous. Type IV collagen, laminin, and MMP-2 are synthesized by melanoma cells as well as adjacent fibroblasts. Destruction or loss of the BM is not mandatory for melanoma invasion or even metastasis. Possibly the BM material is a protective wall for melanoma cells. Interactions between melanocytes and the extracellular matrix of which the BM is a part, can be traced back to the migration of melanocytes from the neural crest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0560.2000.027002067.x
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  • 15
    Electronic Resource
    Electronic Resource
    One Hundred twin pairs patch-tested with primary irritants (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 1 (1975), 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.1600-0536.1975.tb05364.x
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  • 16
    Electronic Resource
    Electronic Resource
    FS11.2
Contact allergy to herbal teas from Asteraceae plants (2004)
    Oxford, UK; Malden, USA : Blackwell Science Ltd/Inc.
    Contact dermatitis 50 (2004), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective:  A possible contact allergy to herbal teas, in particular those derived from the Asteraceae plant family, was investigated in patients allergic to sesquiterpene lactones (SL).Method:  Twenty patients with a contact allergy to SL were recalled and patch-tested with aqueous, ethanol and acetone extracts of 8 different herbal teas based on Asteraceae plants as well as with parthenolide and other SL.Results:  In 18/20 patients with SL allergy there were positive test reactions to the Asteraceae teas, mainly to those based on German chamomile, dandelion and milfoil. Among the SL, parthenolide was the most frequent co-reactor.Conclusion:  Most patients with a contact allergy to SL are allergic to commercial teas derived from the Asteraceae plant family as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0105-1873.2004.0309cv.x
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  • 17
    Electronic Resource
    Electronic Resource
    FS02.8
Patch testing with gold trichloride can give false test results (2004)
    Oxford, UK; Malden, USA : Blackwell Science Ltd/Inc.
    Contact dermatitis 50 (2004), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background:  Hydrochloric acid is formed in water solutions of gold trichloride. Hydrochloric acid in contact with aluminium generates hydrogen gas which can reduce and transform trivalent gold to elemental gold.Objective:  To investigate whether patch testing with aqueous gold trichloride can cause false positive (irritant) reactions in patients without contact allergy to gold and false negative reactions in patients with gold allergy.Methods:  13 patients with and 13 patients without positive patch test reactions to gold sodium thiosulfate were tested with gold trichloride in 2 different vehicles, water and alkaline buffer, using 2 different test techniques, the Finn Chamber technique with aluminium chambers and van der Bend technique with polypropene chambers.Results:  Irritant patch test reactions were obtained with aqueous gold trichloride tested in van der Bend chambers in 10 patients without gold allergy. In gold-allergic patients no positive test reactions were obtained from aqueous gold trichloride in Finn chambers while 2 positive test reactions were obtained from gold trichloride in alkaline buffer tested in van der Bend chambers.Conclusion:  If gold trichloride is patch tested in wrong vehicle and with wrong test technique irritant test reactions may occur which can be misinterpreted as positive allergic reactions in patients without gold allergy as well as negative reactions in patients with gold allergy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0105-1873.2004.0309z.x
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  • 18
    Electronic Resource
    Electronic Resource
    Larval fish production in the tidal River Elbe 1985–1986 (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 38 (1991), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: In 1985 and 1986 ichthyoplankton composition was studied during seven sampling series at 37 stations along the tidal Elbe and its tributary rivers between Hamburg harbour and the North Sea. The highest larval density was observed in May and April. No, or very few, larvae occurred from late summer to early spring. Smelt (59% on average of all samples) and twaite shad (20%) dominate in the freshwater region. Herring/sprat (17%) dominate in the estuary. All major spawning grounds are located along the southern shore. Smelt spawn further upstream 1 month earlier than twaite shad. Three percent of all larvae found were flounder. Most of them occurred upstream from the estuary in the R. Este and in other tributary rivers. It is not clear whether flounders are able to spawn in freshwater. Attention is drawn to the fact that an unknown but probably very high percentage of the ichthyoplankton is entrained by local power plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1991.tb03622.x
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  • 19
    Electronic Resource
    Electronic Resource
    The effects of salinity and temperature on the development and survival of fish parasites (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 12 (1978), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: In brackish water the variety of marine and freshwater parasite species is considerably reduced. The distribution in brackish water of most marine endoparasites is restricted by the salinity tolerance of their hosts, most of the parasite species are more tolerant than their hosts. The influence of salinity and temperature on nine species has been examined; first stage larvae of Contracaecum aduncum develop in 0-32‰ salinity; Cryptocotyle lingua proved to be infective at salinities down to 4‰. The greatest resistance was found in Anisakis larvae from herring Clupea harengus, which survived for more than half a year. Parasites in the fish intestines appear to be unaffected by changing water salinities, as the osmolarity in the intestines stays nearly constant. Marine ectoparasites (Acanthochondria depressa, Lepeophtheirus pectoralis) survive about three times longer than freshwater species (Piscicola geometra, Argulus foliaceus) when salinity is 16‰. High temperature increases the effects of adverse salinities on parasites. There is evidence that none of these ecto-parasitic species can develop within the range of 7-20‰ salinity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1978.tb04176.x
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  • 20
    Electronic Resource
    Electronic Resource
    Receptor analysis: An arithmetic correction improves precision and accuracy
    Amsterdam : Elsevier
    Analytical Biochemistry 170 (1988), S. 472-477 
    Details
    ISSN: 0003-2697
    Keywords: androgen receptors ; binding assays ; data processing ; electrophoresis ; receptors (general) ; steroids
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-2697(88)90660-4
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