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  • 1
    Electronic Resource
    Electronic Resource
    Diabetic control in 102 insulin-treated out-patients (1980)
    Springer
    Diabetologia 18 (1980), S. 447-452 
    Details
    ISSN: 1432-0428
    Keywords: Haemoglobin A1c ; Insulin-dependent diabetes ; Blood glucose control ; Multiple insulin injections
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Haemoglobin A1c concentrations were measured in 102 insulin-treated diabetic outpatients. Only 19% had Hb A1c levels below three standard deviations above the normal mean value (5.23±0.05%). There were no correlations between Hb A1c levels, random C-peptide immunoreactivity or age. A significant correlation (r = 0.49; p〈 0.001) was, however, observed between HbA1c and random plasma glucose levels. The mean random plasma glucose value was normal (89±18 mg/ 100 ml; 5±1 mmol/l) in the patients on insulin three times a day who had received short acting insulin 160 ±6 min before the sampling. — A significant inverse correlation was found (r = -0.26; p〈0.01) between the number of daily insulin injections and the HbA1c concentration. — These results suggest that the use of multiple daily insulin injections improves diabetic control. It should however be emphasised that the patients receiving multiple insulin injections were younger than those on the single injection regime and had lower plasma insulin antibody titres, different social and psychological status and a shorter duration of the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00261699
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  • 2
    Electronic Resource
    Electronic Resource
    Assimilation, inter-organ transfer and excretion of americium in two teleost fish (1983)
    Springer
    Marine biology 77 (1983), S. 59-66 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Radiotracer experiments were performed (February–April, 1982) to study the assimilation and metabolism of the transuranium nuclide americium-241 in the marine teleosts Serranus scriba (Linnaeus, 1758) and Scorpaena notata Rafinesque, 1810, caught off the Monaco coast. Fish fed with 241Am-labelled food showed that assimilation of this radionuclide takes place through the gastrointestinal walls and that the small fraction accumulated is incorporated mainly in the skin, muscle and skeleton. Gut-transfer coefficients were similar in both species and averaged 0.7% (range 0.1 to 1.7%) of the ingested activity. The calculated biological half-lives for loss of the absorbed fraction ranged between 49 and 61 d for Serranus scriba and 12 and 117 d for Scorpaena notata. Results from an intramuscular injection experiment indicated that 241Am was retained mainly in the liver, skin and skeleton; the fraction accumulated by muscle was very low. Liver displayed a relatively short biological half-time for 241Am loss of roughly 24 d. Routes of 241Am excretion from the teleosts appear to be through the kidneys, gills and feces with bile serving as a possible excretion route from the liver. From the limited amount of published information available for comparison, experimental evidence is presented which suggests that 241Am taken up via the food chain is more biologically available to marine fish than is plutonium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00393210
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of different radiotracer labelling techniques on radionuclide excretion from marine organisms (1975)
    Springer
    Marine biology 30 (1975), S. 297-304 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Experiments were designed to assess the effect of different techniques of radiotracer labelling on subsequent radioisotope excretion rates in marine crustaceans. A small amphipod (Gammarus locusta) that accumulated 65Zn under a close approximation of natural conditions excreted the radiotracer during a 3-month period at a markedly different rate than those of comparable amphipods labelled with 65Zn in the laboratory via different combinations of radioactive food and seawater. Shrimp (Lysmata seticauda) administered 65Zn by three different methods in the laboratory displayed different excretion kinetics during the first 2 months of loss. The difference between excretion rates most likely was a reflection of the degree to which the various zinc pools within the shrimp had equilibrated with the radiotracer. During the next several months all 65Zn loss rates were quite similar, probably indicating that radiotracer excretion was taking place from similar zinc pools within the shrimp. The importance of adequate radiotracer labelling techniques as well as proper design of subsequent excretion experiments, used to gain reliable information on flux rates of the corresponding stable metal, is discussed. It is concluded that laboratory radiotracer experiments which are intended to supply information on actual situations in the sea require careful design and execution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390635
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  • 4
    Electronic Resource
    Electronic Resource
    Factors affecting methyl and inorganic mercury dynamics in mussels and shrimp (1978)
    Springer
    Marine biology 46 (1978), S. 267-276 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Radiotracer experiments were designed to study the effect of certain factors on the accumulation and loss of methyl and inorganic mercury in mussels (Mytilus galloprovincialis) and benthic shrimp (Lysmata seticaudata). Methyl mercury was accumulated from both food and water to a greater degree than inorganic mercury by both species. There was a tendency for small mussels to concentrate more mercury than larger individuals, but the reason for this difference remains unclear. A trend towards greater mercury accumulation at higher temperatures was noted for mussels, but the temperature effect was relatively small over a 10 Co range between 8° and 19°C. Methyl mercury residues were eliminated by both species more slowly than those of the inorganic form. Loss from mussels was somewhat more rapid at higher temperatures; however, as in the case of accumulation, the effect of temperature was relatively small. Loss rates for small mussels were not significantly different from those for large individuals. Enhanced methyl mercury elimination was noted for the group of mussels maintained in their natural environment. The more rapid metal turnover in these individuals compared with mussels held in the laboratory was attributed to differences in the availability of natural particulate food matter and, hence, subsequent growth of the animals in the two experimental systems. The observed differences underscore the need for caution in predicting in situ flux of metals such as mercury in certain species based solely on data derived from laboratory experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390688
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  • 5
    Electronic Resource
    Electronic Resource
    Electron spin resonance of copper pair centers in crystals with perovskite structure (1999)
    Springer
    JETP letters 69 (1999), S. 943-948 
    Details
    ISSN: 1090-6487
    Keywords: 76.30.Fc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Copper pair centers, which could be of interest for obtaining quantitative information about exchange interactions in superconductors based on cuprate perovskites, are observed in crystals with the perovskite structure by the ESR method. Such centers are investigated in KTaO3:Cu and K1−x LixTaO3:Cu crystals. A model consisting of a chain of two equivalent Cu2+ ions and three oxygen vacancies, extending along the 〈 100〉 axis, is proposed for the centers. The exchange interaction in the pairs is ferromagnetic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.568117
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  • 6
    Electronic Resource
    Electronic Resource
    Determination and Correlation of the Water Activity of Cheese Whey Solutions (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 51 (1986), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: This work reports on the experimental determination (and correlation) of water activity (aw) in cheese whey solutions of varying total solids content (up to about 50% solids). It was shown that a satisfactory linear correlation between aw and solids (given as g of solids/100g of water) of whey existed. The aw of whey solutions was close to but always below that of lactose, which indicated that other nonlactose constituents also contributed to aw lowering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1986.tb10877.x
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  • 7
    Electronic Resource
    Electronic Resource
    Preservation of Concentrated Cheese Whey by Combined Factors (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Concentrated sweet whey (about 100g solids/100g water), produced in the dairy industry as a preliminary step to spray drying, was stabilized against microbial spoilage by a combination of a slight reduction of water activity (aw), lowered pH, and addition of potassium sorbate, thus avoiding the drying operation. The whey so obtained could be stored for up to 3 months at 30°C without bacterial or mold deterioration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1985.tb10550.x
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  • 8
    Electronic Resource
    Electronic Resource
    Color Changes and Available Lysine during Storage of Shelf-Stable Concentrated Cheese Whey (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 51 (1986), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Concentrated whey (about 50% solids) was stabilized against microbial deterioration by a combination of a slight reduction of water activity (aw) (0.94 or 0.92), lowered pH (5.2 or 5.4) and addition of 0.2% potassium sorbate. Color changes and available lysine loss in the above shelf stable whey, stored at different temperatures, were studied. A zero order reaction kinetics was observed for color changes during browning of the concentrated whey; activation energy was found to be 26 Kcal/mole. The loss of available lysine amounted to 20–30% of the initial value after three months of storage at 30°C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1986.tb13941.x
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  • 9
    Electronic Resource
    Electronic Resource
    Different Heterogeneities of Mouse Hæmoglobin according to Strains (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 947-948 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The strains were as follows : C57B16, C57Br, AKR, Swiss, DBA2 and C3H. Blood samples were drawn from several mice in each strain by puncture of the cavernous sinus. A 10 per cent h moglobin solution was prepared for immediate use by Drabkins method4 and stored at 4 C. Electrophoretie runs were ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182947a0
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  • 10
    Electronic Resource
    Electronic Resource
    Sickle cell hemoglobin fiber formation strongly inhibited by the stanleyville II mutation (α78 Asn -〉 Lys)
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 111 (1983), S. 8-13 
    Details
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(83)80109-0
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