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  • 1
    Electronic Resource
    Electronic Resource
    Chromosomal homology in southern Akodon (1982)
    Springer
    Cellular and molecular life sciences 38 (1982), S. 1485-1487 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Differential staining (G and C) of southern South AmericanAkodon are presented.A. olivaceus, A. longipilis andA. sanborni all have the same karyotype (2n=52, NF=58). A virtually identical band sequence is observed. This situation is interpreted using the canalization model of chromosomal evolution which stresses an optimum karyotype for each adaptive zone. Despite the high degree of conservation of the chromosome structures, the specific status of these species is supported by maintenance of distinctness when they occur in areas of sympatry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01955785
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Presence of an X AG − carrier in frog (Rana esculenta) red blood cells (1994)
    Springer
    The journal of membrane biology 139 (1994), S. 97-102 
    Details
    ISSN: 1432-1424
    Keywords: l-glutamic uptake ; Acidic amino acids ; System X AG − ; Red blood cells ; Frog Rana esculenta
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Evidence is presented that the high levels of internal l-glutamic and l-aspartic acid in frog Rana esculenta red blood cells are due to the existence of a specific carrier for acidic amino acids of high affinity K m = 3 μm and low capacity (Vmax) 0.4 μmol l-Glu · Kg−1 dry cell mass · 10 min−1. It is Na+ dependent and the incorporation of l-glutamic acid can be inhibited by l and d-aspartate and l-cysteic acid, while d-glutamic does not inhibit. Moreover, this glutamic uptake shows a bell-shaped dependence on the external pH. All these properties show that this carrier belongs to the system X AG − family. Besides the incorporation through this system, l-glutamic acid is also taken up through the ASC system, although, under physiological conditions, this transport is far less important, since it has relatively low affinity K m 39 μm but high capacity (V max) 1.8 μmol l-Glu · Kg−1 dry cell mass · 10 min−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232428
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  • 3
    Electronic Resource
    Electronic Resource
    Na+-independent l-alanine uptake by trout cells. Evidence for the existence of at least two functionally different asc systems (1994)
    Springer
    The journal of membrane biology 140 (1994), S. 189-196 
    Details
    ISSN: 1432-1424
    Keywords: Alanine uptake ; Red blood cells ; Peripheral blood lymphocytes ; Isolated hepatocytes ; asc System ; Trout (Salmo trutta)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The Na+-independent uptake of l-alanine has been studied in trout red blood cells, isolated hepatocytes and peripheral blood lymphocytes. The present study shows the existence of two functionally different Na+-independent systems for short chain neutral amino acids in these cells. They are designated as asc systems because of their resemblance to systems described in other cell types. Besides their independence of sodium and a rough similarity in substrate preference, the most important property shared by the two carriers is a lack of trans-stimulation, allowing further differentiation from system L. One of them is an unusually stereospecific carrier present in red blood cells, the other is less restrictive and present in hepatocytes and peripheral blood lymphocytes. Extracellular acid pH increases the incorporation to red blood cells, while it slightly depresses the uptake in the other cells. From the data presented, it is not possible, at first, to classify these carriers as asc 1 or asc 2 systems. Moreover, the system present in red cells resembles that found in the nonerythroid cells, BSC-1, while there is no clear parallelism between the system found in hepatocytes/lymphocytes and any of those described previously.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00233707
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  • 4
    Electronic Resource
    Electronic Resource
    Glycine uptake by trout (Salmo trutta) red blood cells (1993)
    Springer
    The journal of membrane biology 134 (1993), S. 251-259 
    Details
    ISSN: 1432-1424
    Keywords: Glycine uptake ; Trout (Salmo truttd) ; Red blood cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The present study demonstrates the presence of different amino acid carriers in the membrane of trout red cells. Most glycine is taken up through the Na+-dependent system ASC, although the nearly specific Gly system is also active. Besides these carriers, glycine is taken up by means of Na+-independent transporters, system l being the most important. A system asc of high affinity and low capacity has been found, and band 3 is unable to transport glycine under physiological conditions. These results suggest that although all these carriers are already present in primitive vertebrates, several differences exist in their properties with respect to those found in mammalian cells. We would like to express our sincere thanks to Mr. Antonino Clemente (Piscifactoria de Bagà, Medi Natural, Generalitat de Catalunya) for his help and logistical assistance and to Mr. Robin Rycroft for his editorial help.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00234506
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  • 5
    Electronic Resource
    Electronic Resource
    A predictive model for the treatment approach to community-acquired pneumonia in patients needing ICU admission (1996)
    Springer
    Intensive care medicine 22 (1996), S. 1294-1300 
    Details
    ISSN: 1432-1238
    Keywords: Community-acquired infections ; Bacterial pneumonia ; Intensive Care Units ; Logistic models
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To create a predictive model for the treatment approach to community-acquired pneumonia (CAP) in patients needing Intensive Care Unit (ICU) admission. Design Multicenter prospective study Setting Twenty-six Spanish ICUs. Patients One hundred seven patients with CAP, all of them with accurate etiological diagnosis, divided in three groups according to their etiology in typical (bacterial pneumonia),Legionella and other atypical (Mycoplasma, Chlamydia spp. and virus). For the multivariate analysis we groupedLegionella and other atypical etiologies in the same category. Methods We recorded 34 variables including clinical characteristics, risk factors and radiographic pattern. We used a multivariate logistic regression analysis to find out a predictive model. Results We have the complete data in 70 patients. Four variables: APACHE II, (categorized as a dummy variable) serum sodium and phosphorus and “length of symptoms” gave an accurate predictive model (c=0.856). From the model we created a score that predicts typical pneumonia with a sensitivity of 90.2% and specificity 72.4%. Conclusion Our model is an attempt to help in the treatment approach to CAP in ICU patients based on a predictive model of basic clinical and laboratory information. Further studies, including larger numbers of patients, should validate and investigate the utility of this model in different clinical settings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01709541
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  • 6
    Electronic Resource
    Electronic Resource
    A predictive model for the treatment approach to community-acquired pneumonia in patients needing ICU admission (1996)
    Springer
    Intensive care medicine 22 (1996), S. 1294-1300 
    Details
    ISSN: 1432-1238
    Keywords: Key words Community-acquired infections ; Bacterial pneumonia ; Intensive Care Units ; Logistic models
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract   Objective: To create a predictive model for the treatment approach to community-acquired pneumonia (CAP) in patients needing Intensive Care Unit (ICU) admission. Design: Multicenter prospective study. Setting: Twenty-six Spanish ICUs. Patients: One hundred seven patients with CAP, all of them with accurate etiological diagnosis, divided in three groups according to their etiology in typical (bacterial pneumonia), Legionella and other atypical (Mycoplasma, Chlamydia spp. and virus). For the multivariate analysis we grouped Legionella and other atypical etiologies in the same category. Methods: We recorded 34 variables including clinical characteristics, risk factors and radiographic pattern. We used a multivariate logistic regression analysis to find out a predictive model. Results: We have the complete data in 70 patients. Four variables: APACHE II, (categorized as a dummy variable) serum sodium and phosphorus and “length of symptoms” gave an accurate predictive model (c=0.856). From the model we created a score that predicts typical pneumonia with a sensitivity of 90.2% and specificity 72.4%. Conclusion: Our model is an attempt to help in the treatment approach to CAP in ICU patients based on a predictive model of basic clinical and laboratory information. Further studies, including larger numbers of patients, should validate and investigate the utility of this model in different clinical settings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01709541
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Erythrodermia caused by allergy to codeine (2005)
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Contact dermatitis 52 (2005), 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.0105-1873.2005.0566c.x
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  • 8
    Electronic Resource
    Electronic Resource
    Radon measurements and subsoil structure: A preliminary study
    Amsterdam : Elsevier
    International Journal of Radiation Applications & Instrumentation. Part D, 15 (1988), S. 643-646 
    Details
    ISSN: 1359-0189
    Keywords: Fault ; Geophysics ; Radon ; Track Detectors
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/1359-0189(88)90219-1
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  • 9
    Electronic Resource
    Electronic Resource
    Spurious effects of the pairing force on the dipole sum rule
    Amsterdam : Elsevier
    Nuclear Physics, Section A 528 (1991), S. 144-158 
    Details
    ISSN: 0375-9474
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(91)90421-2
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  • 10
    Electronic Resource
    Electronic Resource
    The giant dipole resonance at high spin and moderate temperature
    Amsterdam : Elsevier
    Nuclear Physics, Section A 482 (1988), S. 65-80 
    Details
    ISSN: 0375-9474
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(88)90576-3
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