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  • 1
    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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  • 2
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Water-based metalworking fluids (MWFs) may cause both irritant and allergic contact dermatitis. Several well-known MWF allergens are available for patch testing, but considering the wide variety of possible components used in MWF, our diagnostic arsenal covers only a small part of potential allergens. We therefore selected 13 frequently used MWF components that might be sensitizers and had not yet been tested routinely. In 5 centres, 233 dermatitis patients with present or past occupational exposure to MWF were patch tested with this and other panels. Only 7 patients showed positive reactions to the study panel. Allergic reactions to the emulsifier diglycolamine [syn. 2-(2-aminoethoxy) ethanol] were seen in 5 patients, and 1 patient each reacted positively to 2-amino-2-ethyl-1,3-propanediol (AEPD) and methyldiethanolamine (MDEA). Clinical relevance of the reactions to diglycolamine was unequivocally proven by its presence in the MWF from the patients' workplace in 3 cases. Diglycolamine seems to be an important MWF allergen, independently from monoethanolamine and diethanolamine. A test concentration of 1% petrolatum (pet.) appears to be appropriate. The importance of AEPD and MDEA as MWF allergens still remains to be established. The lack of positive test reactions to the other MWF components tested may be due to their low-sensitizing potential or too low a patch test concentration being used.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 1363-1363 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cells of the marine green alga Acetabularia crenulata were cultured by the methods of Hammerling2 and Beth3. Anucleate cells were produced by amputation of the basal rhizoid which contains the nucleus. For pulse-labelling experiments samples of 200-300 cells were collected at various times during ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 44 (1957), S. 520-521 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 22 (1931), S. 19-25 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 33 (1942), S. 20-31 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Zusammenfassung Im Thüringer Walde sind zwischen Oberrotliegendem und Zechstein Bewegungen orogener Art nachweisbar. Die Diskordanz der noch zur variscischen Ära gehörenden „Mosbacher“ Phase (nach Ort und Bach Mosbach) umfaßt auch vorzechsteinzeitliche Verwerfungen. Die bisher als primär angesehenen Grenzen der Oberrotliegendverbreitung sind infolge dieser sekundären Beeinflussung somit nicht mehr sicher festzulegen. Doch dürften die Störungen von „mosbacher“ Alter hauptsächlich die unterpermischen Beckenränder betroffen haben. Am Nordrande des Thüringer Waldes ist die jüngere saxonische Tektonik einem solchen vorzechsteinzeitlichen Bruch gefolgt. Über der alten Narbe, die Gebiete grundsätzlich verschiedenen Baues trennt, entstand ein verwickelt gebauter — erst gezerrter, dann gepreßter — Grabenzug. Nach regionalen. Bohrergebnissen ist zu vermuten, daß auch benachbarte Gräben (z. B. Netra—Eisenach) auf einer solchen alten Naht zwischen hochliegendem Grundgebirge einerseits, permischem Beckenareal andererseits entstanden sind. Für spätere Zeiten mag sich die Hoffnung ergeben, daß aus dem saxonischen Bau einmal gewisse Rückschlüsse auf die Struktur des Untergrundes möglich werden könnten.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 35 (1948), S. 172-175 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 28 (1937), S. 425-437 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 25 (1934), S. 95-97 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 233 (1969), S. 407-424 
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Untersuchungen, die den Beziehungen zwischen Widerstandsverhalten der Haut einerseits und Vegetativum bzw. internen Organerkrankungen oder Dermatosen andererseits nachgehen, werden zum Teil irgendwelche “Normwerte” des Gleichstromwiderstandes vorausgesetzt, ohne daß diese näher bestimmt sind. Die eigenen Leitwertmessungen an Handrücken, Brust und Stirn bei Probanden ohne Allgemeinerkrankungen oder große Dermatosen ergaben: 1. Die Leitfähigkeit der Haut nimmt in der Reihenfolge Stirn-Brust-Hand stark ab. Ein für das gesamte Integument gültiger “Normbereich” existiert nicht. 2. Gewisse Seitenunterschiede bei sonst gleicher Meßregion sind als normale Schwankungen anzusehen. 3. Auch für einen definierten Meßpunkt lassen sich Normgrenzen nicht aufstellen, da sich die Gesamtzahl aller Leitwerte aus zwei distinkten Kollektiven zusammensetzt. 4. Die aufgezeigten Beziehungen zwischen Alter, Geschlecht, Temperatur und Benetzbarkeit der Haut einerseits und Höhe des Leitwertes andererseits können diese Ausprägung von zwei differenten Kollektiven, die mit abnehmendem Gesamt-widerstand der Haut unschärfer wird, nicht ausreichend erklären. Die Frage, ob das gefundene Widerstandsverhalten als Folge einer unterschiedlichen vegetativnervösen Steuerung der entsprechenden Epidermismembranen, oder als Ausdruck Verschiedener, hinsichtlich Durchfeuchtung, Zahl und Funktion der Schweißdrüsen differenter Hautfunktionstypen zu werten ist, läßt sich auf Grund der gewählten Versuchsanordnung und des vorliegenden Materials nicht eindeutig beantworten.
    Notes: Summary Investigations concerning the relations between the resistance behaviour of the skin on one hand and the vegetativum or the diseases of the internal organs or of the skin on the other, take in part some “standard data” of the direct current resistance for granted, without subjecting them to any further determination. The measuring proper of the direct current conductivity on the back of the hand, breast and forehead in the case of persons without general diseases or serious skin diseases showed the following results: 1. The conductivity of the skin decreases considerably in the successive order forehead-breast-hand. There is no “standard range” to apply to the entire integument. 2. Certain side-differences in the case of the otherwise identical measuring region are to be regarded as normal variations. 3. Standard limits cannot be settled for a well-defined measuring point, either, as the sum total of all direct current conductivity data consists of two distinct collectives. 4. The indicated relations between age, sex, temperature and hydration of the skin on one hand and the measure of the direct current conductivity on the other cannot explain in a satisfactory way the characteristic marking of the two different collectives which becomes less pungent with the decreasing overall skin resistance. It is hardly possible on the ground of the chosen test arrangement and the material considered to answer unanimously the question, whether the ascertained resistance ought to be interpreted as a consequence of a different control of the epidermis membranes by the vegetative nervous system or as a manifestion of different skin function types varying in the hydration, number and function of the sweat glands.
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