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  • Springer  (18)
  • 2000-2004
  • 1995-1999  (18)
  • 1940-1944
  • 1995  (18)
  • 1
    Electronic Resource
    Electronic Resource
    Chemische Zusammensetzung von Samen und Samenschale der Ackerbohne (Vicia faba L.) (1995)
    Springer
    European food research and technology 200 (1995), S. 229-232 
    Details
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Zusammenfassung Verschiedene chemische Bestandteile des Samens und der Samenschale der Ackerbohne (Vicia faba L.) wurden untersucht. Die Samen enthalten einen relativ hohen Roheiweiß- (27,5%), niedrigen Rohfett(3,36%) und Ligningehalt (2,65%). Die Samenschale hat eine hohe Faserkonzentration und ist eine bedeutende Ca-Quelle (1,86 g/kg TM). Die höchsten Makroelementkonzentrationen wurden aus Kalium, Phosphor und Magnesium registriert. Die Hauptmikroelemente (Fe, Mn, Cu, Zn) kommen in bedeutend höheren Konzentrationen in den Samen als in der Samenschale vor. Die Aminosäurezusammensetzung der Samen ist positiv (verglichen zu weißer Lupine), das Verhältnis der essentiellen Aminosäuren ist gut. Die Konzentrationen der untersuchten antinutritiven Stoffe, besonders der Alkaloide, sind niedrig. Auf Grund der angeführten chemischen Untersuchungen ist diese Pflanze eine der wertvollsten Hülsenfrüchte; der Anbau und die Verwendung der Samen scheint zukunftsreich zu sein.
    Notes: Abstract Different chemical components were analysed in the seeds and in testa ofVicia faba. The seeds contain a relativ high crude protein (27,5%), a low crude fatt (3,36%) content; and the lignin concentration is low (2,65%). The testa of the seeds has a very high fibre concentration and is a significant Ca-source (1,86 g/kg). The higher macroelement concentrations in the seeds were measured from K, P and Mg. The main microelements (Fe, Mn, Cu, Zn) have significant higher concentrations in the seed than in the testa. The amino acid composition of seeds is positiv (compared to data of white lupine), the rate of essentiell amino acids is good. The concentrations of the examined antinutritiv organic constituents, especially of alkaloids, are low. On the basis of chemical analysis, the production and utilisation of seeds ofVicia faba is recommended.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01190501
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  • 2
    Electronic Resource
    Electronic Resource
    Alarm pheromone perception in honey bees is decreased by smoke (Hymenoptera: Apidae) (1995)
    Springer
    Journal of insect behavior 8 (1995), S. 11-18 
    Details
    ISSN: 1572-8889
    Keywords: honey bee ; Apis mellifera ; alarm pheromone ; electroantennograph
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The application of smoke to honey bee(Apis mellifera) antennae reduced the subsequent electroantennograph response of the antennae to honey bee alarm pheromones, isopentyl acetate, and 2-heptanone. This effect was reversible, and the responsiveness of antennae gradually returned to that of controls within 10–20 min. A similar effect occurred with a floral odor, phenylacetaldehyde, suggesting that smoke interferes with olfaction generally, rather than specifically with honey bee alarm pheromones. A reduction in peripheral sensitivity appears to be one component of the mechanism by which smoke reduces nest defense behavior of honey bees.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01990966
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  • 3
    Electronic Resource
    Electronic Resource
    Lifetime of the two-phonon vibrational state in232Th (1995)
    Springer
    The European physical journal 351 (1995), S. 143-147 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Re ; 21.60.Ev ; 23.20.Lv ; 27.90. + b
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report on a measurement of the lifetime of the 1414 keV state in232Th by the Doppler-shift recoil-distance method. This 4+ state shows all characteristics of a nearly-harmonic two-phononγ-vibrational excitation. The result for the B(E2) value obtained from the lifetime,τ=3.2 ± 0.7 ps, is in agreement with an earlier estimate of the collectivity from Coulomb-excitation yields and supports the interpretation of the 1414 keV state as a two-phononγ-vibrational excitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289524
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  • 4
    Electronic Resource
    Electronic Resource
    Mineralstoff- und Aminosäuregehalte des eßbaren, kultivierten Pilzes Shii-take (Lentinus edodes) (1995)
    Springer
    European food research and technology 201 (1995), S. 17-19 
    Details
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Zusammenfassung Weltweit werden jährlich etwa 200000 t des Shii-take Pilzes (Lentinus edodes) produziert. Verschiedene positive, biologische Wirkungen sind bekannt (anticarcinogene, cholesterinsenkende Wirkungen und stimulierende Wirkungen auf das Immunsystem), aber die Mineralstoff- und Aminosäuregehalte des Pilzes sind bislang nur wenig untersucht. Die Mineralstoffgehalte sind im allgemeinen niedriger als die des Kulturchampignons (Agaricus bisporus) oder des Austernseitlings (Pleurotus ostreatus). Die größten Unterschiede liegen bei den Kalium-, Phosphor-,Calcium-, Kupfer-, Strontium-, Mangan- und Zinkgehalten vor. Die Gehalte sind in Hüten höher als in den Stielen. Der Gesamtaminosäuregehalt beträgt 15,24% in den Hüten und 11,35% in den Stielen, bez. auf Trokkenmasse, und beträgt somit etwa die Hälfte des Gehaltes von Kulturchampignons. Die Phe-, Gly, His-, Arg-, Ile- und Met-Gehalte sind relativ höher als die von Champignon-Sorten.
    Notes: Abstract World wide about 200000 tons of shii-take mushrooms (Lentinus edodes) are produced per year. Different positive biological effects are known (anticarcinogenic, anticholesterol, immunostimulating effects), but the mineral contents and amino acid composition of caps and stipes are still little investigated. The concentrations of minerals are in general lower than those in the cultivated white mushroom (Agaricus bisporus) and in the oyster mushroom (Pleurotus ostreatus). The greatest differences are found in the concentrations of potassium, phosphorus, calcium, copper, strontium, manganese and zinc. The cocentrations are higher in caps than in stipes. The total amino acid content is 15,24% in caps and 11,35% in stipes (dry matter) and thus in general half of the concentration of cultivated champignon. The amounts of Phe, Gly, His, Arg, Ile and Met are relative higher than inAgaricus fruit bodies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01193193
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  • 5
    Electronic Resource
    Electronic Resource
    Bor-Gehalt in häufigen eßbaren Wildpilzarten Ungarns (1995)
    Springer
    European food research and technology 201 (1995), S. 524-527 
    Details
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The boron contents of 68 edible common macrofungi of Hungary were analysed. The average boron content of the examples was 11,74 mg/kg dry mass, this is higher than the average value of green plants of Hungary (7,4 mg/kg dry mass). Although the highest boron contents were found in the examples from woods near Budapest, the differences between the various sites are not significant. It seems that the site has not an important effect on the boron content of mushrooms. Some taxonomical groups are examples of higher, others are examples of lower boron content. The highest concentration of boron (54,3 mg/kg dry mass) was found in the speciesMarasmius wynnei which indicates a bioconcentration of four to five fold to the average boron level. Significant bioaccumulation of analysed edible species was not established, but the poisoning mushroomMycena pura has a very great (401–607 mg/kg dry mass) boron concentration. This accumulation is observed to the first time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01201576
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  • 6
    Electronic Resource
    Electronic Resource
    Expression of osteoblastic markers in cultured human bone and fracture callus cells (1995)
    Springer
    Journal of molecular medicine 73 (1995), S. 571-575 
    Details
    ISSN: 1432-1440
    Keywords: Callus ; Osteoblast ; Collagen metabolism ; Osteocalcin ; Parathyroid hormone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We compared the expression of osteoblastic markers in cultured human cells isolated from fracture calluses of various histological states of development with that in cells from adult and fetal bone. Adult osteoblasts and all callus cells produced almost exclusively type I collagen, whereas fetal osteoblasts produced also considerable amounts of type III collagen in vitro. 1,25-Dihydroxyvitamin D3 induced the synthesis of osteocalcin in all bone and callus cells but to varying extents. Fetal bone cells and early-stage callus cells synthesized less than 10% the amount of osteocalcin produced by adult bone cells. Late-stage callus cells produced intermediate levels of osteocalcin. Fetal bone cells and early-stage callus cells responded to parathyroid hormone with a less pronounced increase in intracellular cAMP than did adult bone cells. Late-stage callus cells showed the best response to parathyroid hormone. The activity of alkaline phosphatase was highest in fetal bone cells. These observations show that cells isolated from fetal bone and from fracture callus tissues express a pattern of markers clearly relating them to the osteoblastic lineage. On the basis of the different patterns of osteoblastic markers expressed in vitro we conclude that functionally distinct subtypes of osteoblasts do exist in different mineralized tissues and at different developmental stages.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00195142
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  • 7
    Electronic Resource
    Electronic Resource
    Determination of arsenic, selenium and mercury in an estuarine sediment standard reference material using flow injection and atomic absorption spectrometry (1995)
    Springer
    Microchimica acta 118 (1995), S. 163-175 
    Details
    ISSN: 1436-5073
    Keywords: flow injection ; As, Se, Hg ; estuarine sediment ; standard reference material ; microwave-oven digestion ; CVAAS ; FIA-AAS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A flow-injection analysis atomic absorption spectrometric (FIA-AAS) method was developed for the determination of trace amounts of arsenic, selenium and mercury in a proposed estuarine sediment standard reference material (SRM 1646a). The samples were prepared in two manners: a) A wet digestion procedure with HNO3, H2SO4, and HClO4 using a reflux column and b) A microwave-oven digestion procedure utilizing HNO3, H2SO4, and HCl for As and Se, and HNO3 for Hg. Microwave-oven digestion provides results comparable to those found by reflux column digestion and reduces the sample preparation time by a factor of 10. The proposed method employing the microwave-oven digestion procedure coupled with FIA-AAS for As and Se, and FIA-CVAAS for Hg, has detection limits of 0.15 ng As/ml, O.17 ng Se/ml and 0.15 ng Hg/ml.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244356
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  • 8
    Electronic Resource
    Electronic Resource
    The X-chromosomal human biglycan gene BGN is subject to X inactivation but is transcribed like an X-Y homologous gene (1995)
    Springer
    Human genetics 〈Berlin〉 96 (1995), S. 44-52 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We report the mRNA and protein expression levels of human biglycan (BGN) in patients with different numbers of sex chromosomes. BGN maps to the distal long arm of the X chromosome, band Xq28, near the second pseudoautosomal region. BGN expression levels are reduced in 45,X Turner patients and increased in patients with additional sex chromosomes. This is suggestive of a pseudoautosomal gene or a gene that escapes X inactivation and that has an active Y chromosomal copy. However, we also provide evidence from hybrid cell lines that BGN is subject to X inactivation and that there is no homolog on the Y chromosome. This evidence excludes an escape from X inactivation. Moreover, additional Y chromosomes increase BGN expression levels, despite the absence of a Y chromosomal BGN gene. Therefore, another explanation has to be invoked. The “pseudoautosomal expression” of BGN may be attributed to a gene or genes that escape X inactivation and that regulate the transcriptional activity of BGN. This is the first report concerning an X chromosomal gene that does not show the conventional correlation between gene dosage and expression rate known from other X chromosomal genes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00214185
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  • 9
    Electronic Resource
    Electronic Resource
    Experiments on the Richtmyer-Meshkov instability of an air/SF6 interface (1995)
    Springer
    Shock waves 4 (1995), S. 247-252 
    Details
    ISSN: 1432-2153
    Keywords: Richtmyer-Meshkov instability ; Flow visualization ; Experiment ; Shock tube ; Turbulent mixing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics , Technology
    Notes: Abstract Results of flow visualization experiments of an impulsively accelerated plane interface between air and SF6 are reported. The shock tube used for the experiments has a larger test section than in previous experiments. The larger extent of uniform test flow relative to nonuniform boundary-layer flow permits unambiguous interpretation of flow-visualization photographs, and the influence of shock-wave/boundary-layer interactions is no longer dominant. The strong wall vortex observed in previous studies is not observed in these experiments. It is found that the thin membrane, which forms the initially plane interface, has a significant influence on the initial growth rate of the interface thickness. However, the measured growth rates after the first reflected shock are independent of membrane configuration and are in good agreement with analytical predictions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01416035
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  • 10
    Electronic Resource
    Electronic Resource
    Case of the month (1995)
    Springer
    European journal of pediatrics 154 (1995), S. 935-936 
    Details
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957510
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