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  • 11
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 24 (1902), S. 658-661 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 25 (1903), S. 491-496 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 25 (1903), S. 1277-1280 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 78 (1956), S. 2303-2304 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 40 (1984), S. 29-36 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Cadmium is present naturally in the air mainly as a result of volcanic emissions and release by vegetation. Anthropogenic sources, which overall give rise to emissions one order of magnitude greater than natural sources, are largely primary non-ferrous metals production and waste incineration. Measured concentrations of airborne cadmium are typically 〈 1 ng m−3 at remote sites, 0.1–10 ng m−3 at rural sites and 1–100 ng m−3 at urban and industrial sites, dependent upon the nature and proximity of local sources. Particle sizes are generally 〈2 μm, and often considerably smaller, consistent with an anthropogenic source and a long atmospheric life-time. Cadmium deposition to the land occurs with fluxes varying from 0.05 ng cm−2 month−1 in Greenland to circa 1000 ng cm−2 month−1 in the vicinity of major industrial sources. The possible significance of a motor vehicular source of airborne cadmium is also reviewed.
    Type of Medium: Electronic Resource
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  • 16
    ISSN: 1420-9071
    Keywords: Blood, peripheral ; T cells ; immunofluorescence technique ; lymphocytotoxicity technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We compared a simple complement-dependent lymphocytotoxicity test with a widely used indirect immunofluorescence procedure to enumerate total T, T helper, and T suppressor lymphocytes in normal blood samples. Results with the two techniques were closely similar.
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    Springer
    Abdominal imaging 23 (1998), S. 117-121 
    ISSN: 1432-0509
    Keywords: Key words: Small intestine, radiography—Intestine, diagnosis—Crohn disease—Endoscopy.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: This study aimed to document the radiological features and distribution of small bowel Crohn disease (CD) in adults by using a barium follow-through (BaFT) technique and to determine whether disease would be missed or its distribution underestimated if only colonoscopy with ileoscopy were performed. Methods: The BaFT examinations of 121 adults with proven CD were reviewed retrospectively with respect to the stage and distribution of disease. Colonoscopy with attempted ileoscopy was performed in 37 of these subjects, and the results were compared with radiological findings. Results: A normal villous pattern was visualized in 89 studies (74%). BaFT showed small bowel CD in 71 (59%) of 121 patients studied. The terminal ileum (TI) was the most common site of disease, affecting 62 (87%) of patients with small bowel CD. Forty-six patients (65%) had more proximal small bowel disease, including nine (13%) with a normal TI. BaFT showed early mucosal changes of CD in 52 subjects (73%), which was the sole manifestation in 15 (21%). Ileoscopy was possible in the majority of patients colonoscoped but was not achieved in 14 (38%), nine of whom had CD on BaFT. Of the 23 patients in whom ileoscopy was performed, findings agreed with BaFT assessment of the TI in 22. Conclusion: BaFT adequately demonstrates the stage and extent of small bowel CD. The majority of patients with small bowel CD have disease proximal to the TI, which cannot be diagnosed by ileoscopy.
    Type of Medium: Electronic Resource
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  • 18
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The N1303K mutation was identified in the second nucleotide binding fold of the cystic fibrosis (CF) gene last year. We have gathered data from laboratories throughout Europe and the United States of America in order to estimate its frequency and to attempt to characterise the clinical manifestations of this mutation. N1303K, identified on 216 of nearly 15000 CF chromosomes tested, accounts for 1.5% of all CF chromosomes. The frequency of the N1303K allele varies significantly between countries and ethnic groups, being more common in Southern than in Northern Europe. This variation is independent of the AF508 allele. It was not found on UK Asian, American Black or Australian chromosomes. N1303K is associated with four different linked marker haplotypes for the polymorphic markers XV-2c, KM.19 and pMP6d-9. Ten patients are homozygous for this mutation, whereas 106 of the remainder carry one of 12 known CF mutations in the other CF allele. We classify N1303K as a “severe” mutation with respect to the pancreas, but can find no correlation between this mutation, in either the homozygous or heterozygous state, and the severity of lung disease.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 151 (1988), S. 15-19 
    ISSN: 1432-072X
    Keywords: Begglatoa spp. ; Ribulose-1,5-bisphosphate carboxylase ; Phosphoribulokinase ; Regulation of Calvin-cycle enzymes ; Heterologous gene-probe hybridization ; Non-autotrophic sulfur bacteria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To date only marine strains of the genus Beggiatoa have been proven to have the capacity for lithoautotrophic growth. The two best characterized freshwater strains (B18LD and OH-75-2a) — previously tested with no evidence of autotrophic potential — were reinvestigated in the current study. Heterotrophically grown cells from exponential or early stationary phase showed extremely low ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) activities (0.002–0.2 nmol CO2·mg prot-1 min-1). After acetate limitation terminated growth both strains demonstrated increased RuBisCO activity with a maximum achieved 1–3 days into stationary phase. For a single growth cycle, activity could increase by more than 100-fold (strain OH-75-2a), but the highest activity achieved was less than 5% of that observed in a lithoautotrophic control. Phosphoribulokinase activity was approximately an order of magnitude greater than the corresponding RuBisCO activity and showed a similar pattern of regulation. A gene probe derived from the RuBisCO large subunit gene of Anacystis nidulans hybridized strongly with DNA from strain OH-75-2a and the autotrophic marine control but not with DNA from strain B18LD.
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 1 (1969), S. 135-138 
    ISSN: 1432-1041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In nine subjects representing a majority (75 percent) of the population tested, ten milligrams of Dexoxadrol combined with 600 mg of acetylsalicylic acid (ASA) was essentially equivalent to 20 or 30 mg of Dexoxadrol pooled sample when tested by ischemic arm method, both doses being significantly more potent than ASA alone one hour after dosage. Three hours after dosage, all doses of Dexoxadrol were still significantly above ASA alone or lactose placebo indicating a more prolonged action of this drug. The stimulating effect of lactose placebo is postulated to explain the temporary rise (1 h) noted by use of this substance. When all twelve subjects are considered, because of three negative reactors, only statistically significant differences between ten milligrams of Dexoxadrol plus 600 mg of ASA are distinguishable from ASA alone or placebo at the end of one hour. At all dosage levels some side effects similar to alcohol were noted, numbness, dizziness, drowsiness, etc., as described by (LASAGNA and PEARSON, 1965). The 30 and 20 mg dosage produced more prominent psychic effects, while the 10 mg dosage with ASA produced a minimum of such effects and was virtually as effective as the higher dosage in nine of twelve subjects.
    Type of Medium: Electronic Resource
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