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  • 1
    Electronic Resource
    Electronic Resource
    Chronic chromium poisoning with dermatitis in the leather industry (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 20 (1989), 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.1600-0536.1989.tb04661.x
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  • 2
    Electronic Resource
    Electronic Resource
    Modeling of naphtha pyrolysis (1985)
    s.l. : American Chemical Society
    Industrial and engineering chemistry 24 (1985), S. 774-782 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/i200030a043
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    In vivo and in vitro effects of the pineal gland and melatonin on [Ca2++ Mg2+]-dependent ATPase in cardiac sarcolemma (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of pineal research 14 (1993), S. 0 
    Details
    ISSN: 1600-079X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: The possible diurnal variation in cardiac [Ca2++ Mg2+]-dependent ATPase (Ca2+ pump) activity and the influence of pinealectomy and melatonin on this enzyme in rat heart have been studied. Lowest levels of cardiac sarcolemma] membrane [Ca2++ Mg2+]-dependent ATPase activity were measured in late afternoon in rats kept under a 14:10 light:dark cycle. Late in the dark phase the enzyme activity began to increase with the rise continuing until 0900, 3 hr after light onset. These time-dependent changes in [Ca2++ Mg2+]-dependent ATPase activity did not occur in either pinealectomized or light-exposed rats suggesting that melatonin, secreted from the pineal gland during the night, induces the change in [Ca2++ Mg2+]-dependent ATPase activity. In vitro studies in which cardiac tissue was incubated in the presence of melatonin over a wide range of doses showed that this indole stimulated the Ca2+ pump. The half-maximal effect of melatonin was observed at a melatonin concentration of 28 ng/ml. These findings suggest that the daily change in [Ca2++ Mg2+]-dependent ATPase activity in the sarcolemma of heart tissue is a result of the circadian rhythm in pineal melatonin production and secretion. These findings may be applicable to normal cardiac physiology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-079X.1993.tb00500.x
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  • 4
    Electronic Resource
    Electronic Resource
    Behavioral studies in petrol pump workers (1988)
    Springer
    International archives of occupational and environmental health 61 (1988), S. 35-38 
    Details
    ISSN: 1432-1246
    Keywords: Behavioral studies ; Petrol ; Visuomotor ; Psychomotor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Behavioral studies were conducted on 90 petrol pump workers to study the effect of petrol on the central and peripheral nervous systems. Sixty-four control subjects of similar age and socio-economic status were also taken for purposes of comparison. Maudsley Personality Inventory (MPI), Benton Visual Retention Test, Digit Span Test, Progressive Matrices, Digit Symbol Test and Mirror Drawing Test were used for behavioral studies. Immediate and delayed memory were found to be significantly affected in exposed workers. Intellectual capacity and psychomotor ability were also significantly affected (P〈0.01). Psychomotor ability and visuomotor learning ability were more affected (P 〈 0.05) among the exposed subjects than among the controls. However, stability and extroversion-introversion ability remained unaffected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00381605
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  • 5
    Electronic Resource
    Electronic Resource
    Clinical studies in workers engaged in maintenance of watermark moulds in a paper mill (1992)
    Springer
    International archives of occupational and environmental health 64 (1992), S. 141-145 
    Details
    ISSN: 1432-1246
    Keywords: Watermark ; Mould ; Combined exposure ; Metals ; Xylene ; Health effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirty subjects engaged in maintenance and repair of moulds used for producing watermarks on paper were studied, along with 27 control subjects from the same paper mill. The workers were simultaneously exposed to copper, chromium, zinc, xylol, and fumes of sulphuric acid in the course of their work. The study subjects were investigated for clinical, occupational, radiological haematological and psychological details. The aforementioned combined exposure was found to be responsible for a high prevalence of symptoms pertaining to the respiratory system and higher nervous functions. Breathlessness (26.7%), expectoration (10.0%) and emphysema (10.0%) were significantly higher among the exposed subjects. The exposed subjects also showed lowered visuomotor coordination and delayed reaction to light and sound stimuli.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00381482
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  • 6
    Electronic Resource
    Electronic Resource
    Adventitious rooting in shoot cuttings of Azadirachta indica and Pongamia pinnata (1998)
    Springer
    New forests 16 (1998), S. 81-88 
    Details
    ISSN: 1573-5095
    Keywords: auxins ; B-vitamins ; clonal seed orchard ; rooting zone ; soluble sugars ; vegetative propagation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Adventitious rooting in shoot cuttings of neem (Azadirachta indica) and karanj (Pongamia pinnata) was investigated in different seasons. The influence of auxins and B-vitamins (neem only) was evaluated. Maximum rhizogenesis coincided with the emergence of new sprouts i.e. February (neem) and March (karanj). Considering both rooting percentage and root biomass, IBA was the most effective auxin tested. Compared to auxin free controls, IBA (1000 ppm in neem and 800 ppm in karanj) significantly increased adventitious rooting percentage (80 to 100 % respectively), the numbers of roots and root biomass for both species. In neem, B-vitamin treatment yielded 40–50% rooting for cuttings. This was significantly greater than rooting for controls but equivalent to IAA treatments. In neem, some of the cuttings treated with 2000–3000 ppm IBA had well developed root systems without any sprouts. In karanj, all auxin treatments promoted sprouting. The level of total soluble sugars in the rooting zone of neem and karanj was higher in non-rooted than rooted cuttings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006586603388
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  • 7
    Electronic Resource
    Electronic Resource
    Root surface area measurements based on adsorption and desorption of nitrite (1995)
    Springer
    Plant and soil 175 (1995), S. 133-137 
    Details
    ISSN: 1573-5036
    Keywords: nitrite adsorption/desorption ; regression analysis ; root surface area
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A method, based on the negative adsorption of NO2 -, has been developed to determine surface area of roots. Young roots of 3–4 year old plants ofAcacia catechu, Eucalyptus camaldulensis andLeucaena leucocephala were up-rooted and cut into 18 cylindrical pieces. Each root piece was immersed individually for 10 sec in 0.05M, 0.10M and 0.15M aqueous NaNO2 solution and the excess solution on the root surface allowed to drain off. It was then transferred to conical flask containing distilled water and shaken for 15 min for desorption of nitrite. A known quantity of this aliquot was reacted with 1% acidic sulphanilamide and 0.02% NED HCl. A pink colour developed, and its optical density was read at 540 nm. A positive linear correlation was noted between colour density and root surface area. The respective correlation coefficientvalues for 0.05M, 0.10M and 0.15M NaNO2 solutions were 0.973, 0.963 and 0.964 forAcacia catechu, 0.933, 0.903 and 0.898 forEucalyptus camaldulensis and 0.968, 0.976 and 0.972 forLeucaena leucocephala (significant atp〈0.001). The method was successfully adopted to determine the root surface area of seedlings ofAlbizia lebbek, A. procera, Acacia auriculiformis, A. nilotica, Dalbergia latifolia andD. sissoo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02413018
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