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  • 1
    Electronic Resource
    Electronic Resource
    Macromolecular diffusion and the autoadhesion of polybutadiene (1985)
    s.l. : American Chemical Society
    Macromolecules 18 (1985), S. 1310-1314 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00148a046
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  • 2
    Electronic Resource
    Electronic Resource
    Entropically driven miscibility in a blend of high molecular weight polymers (1987)
    s.l. : American Chemical Society
    Macromolecules 20 (1987), S. 2557-2563 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00176a040
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  • 3
    Electronic Resource
    Electronic Resource
    A nearly ideal mixture of high polymers (1989)
    s.l. : American Chemical Society
    Macromolecules 22 (1989), S. 256-261 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00191a048
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  • 4
    Electronic Resource
    Electronic Resource
    Phase transitions in phospholipid monolayers at air–water interfaces (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 5852-5858 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: In this study we present a unified theoretical description of neutral, saturated, phospholipid monolayers at air–water interfaces. This model encompasses the liquid-condensed (LC) to liquid-expanded (LE) and liquid-expanded to surface gas (SG) phase transitions observed in such systems. The model is a lattice model of lipid hydrocarbon chains which allows for the introduction of free volume. The lipid chains can be upright in a ground or excited state or collapsed relative to the substrate. Furthermore, the chains interact via short range potentials due to steric, van der Waals, and dipolar forces. We show that the LC/LE phase transition is to be understood as a chain melting transition and through the growth of lipid domains across the transition. We further show that the LE/SG transition involves the creation of large amounts of free volume into which the lipid chains can collapse.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452515
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    A new high-pressure phase of solid carbon dioxide (1985)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 89 (1985), S. 4499-4501 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100267a019
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  • 6
    Electronic Resource
    Electronic Resource
    Miscibility limits in poly(vinylethylene) isotopic mixtures (1988)
    Springer
    Polymer bulletin 20 (1988), S. 471-478 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The interaction parameter for isotopic mixtures of poly(vinylethylene) was determined from small angle neutron scattering measurements to vary from 6.6×10−4 to 5.7×10−4 over a temperature range of from just above Tg to 71°C. The phase behavior of these blends differs significantly from the predictions of Flory-Huggins theory, indicating that, in addition to their non-ideality, polymer isotopes do not form simple mixtures. This phase behavior, however, was found to be congruent with the symmetrical model of mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01153440
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  • 7
    Electronic Resource
    Electronic Resource
    An analysis of glomerular-tubular balance in the rat proximal tubule (1986)
    Springer
    Pflügers Archiv 407 (1986), S. 221-227 
    Details
    ISSN: 1432-2013
    Keywords: Tubulo-glomerular feedback ; Micropuncture ; Munich-Wistar rat ; Proximal reabsorption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An analysis of glomerulo-tubular balance in the rat proximal tubule. Flow dependence of absolute proximal reabsorption (APR) or glomerulo-tubular balance (GTB) has been observed with spontaneous alterations in flow and attributed to both intraluminal and extraluminal factors. Flow dependent alterations in APR were demonstrated when 1. nephron filtration rate (SNGFR) was decreased by tubulo-glomerular feedback mechanisms by increasing late proximal tubular microperfusion rates, and 2. when SNGFR was increased by addition of [Sar1, Ala8] angiotensin II to the adjacent peritubular capillary flow. Selective reduction in early proximal tubular flow rate by pump aspiration also resulted in flow dependent reductions in APR. However, selective additions of perfusion fluids of various native and artificial constituency to the early proximal tubule did not result in flow dependent increase in APR. Conclusions. 1. GTB with both increases and decreases in SNGFR can be demonstrated at the level of the single nephron, 2. selective reductions in luminal flow rate produces parallel reductions in APR; however, 3. increases in flow rate with either artificial or native fluids of different ionic concentrations did not result in increases in APR. This lack GTB may be due to lack of parallel changes in peritubular physical factors or that APR in the S2 segment is less sensitive to increase in flow rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00580680
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  • 8
    Electronic Resource
    Electronic Resource
    Acute renal failure: the glomerular and tubular connection (1987)
    Springer
    Pediatric nephrology 1 (1987), S. 348-358 
    Details
    ISSN: 1432-198X
    Keywords: Acute renal failure ; Glomerular ultrafiltration ; Tubular injury
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Acute renal failure (ARF) is a common clinical entity which results from multiple causes. Experimental models in animals have duplicated many of the clinical syndromes which can be classified into (1) ARF due to increased filtered load of endogenous and exogenous materials, (2) ARF associated with exogenous nephrotoxins and (3) ischemic forms of renal failure secondary to hypoperfusion and hypotension. The mechanisms leading to the reduction in GFR are multiple and the alterations in determinants of nephron filtration rate and degree of tubular backleak and obstruction are described for each of these subtypes of experimental ARF. The specific mechanisms whereby tubular damage translates into a reduction in GFR in ARF are discussed for each sub-type of ARF. Tubular damage can often be dissociated from the reduction in GFR, possibly by inhibiting tubuloglomerular feedback responses, but such increases in GFR and nephron filtration rate are not necessarily beneficial to the organism because of potential volume depletion and the risk of magnifying further tubular damage. Information on the physiologic role of tubuloglomerular feedback activity in ARF is provided and supports the concept that feedback induced reductions in GFR after tubular injury may preserve extracellular volume and minimize further tubular damage. Reductions in tubular metabolic work appears to prevent and ameliorate further tubular injury after the initial insult. The mechanisms which associate changes in GFR and tubular damage can now be described, and therapies which improve GFR without correcting the tubular damage may compound the clinical problem and increase renal damage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00849234
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  • 9
    Electronic Resource
    Electronic Resource
    A re-examination of otoconia from the Shaker mouse (1985)
    Springer
    European archives of oto-rhino-laryngology and head & neck 242 (1985), S. 83-87 
    Details
    ISSN: 1434-4726
    Keywords: Shaker mouse ; Otoconia ; Calcite ; Hydroxylapatite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have studied saccular and utricular otoconia from Shaker-1 and Shaker-2 mice by X-ray diffraction and scanning electron microscopy. In contrast to previous reports, we found that the crystals were composed of calcite rather than poly crystalline hydroxylapatite. These crystals were indistinguishable mineralogically and morphologically from normal mouse otoconia. The reported occurrence of hydroxylapatite otoconia in the Shaker mouse is probably false.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00464412
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  • 10
    Electronic Resource
    Electronic Resource
    Book reviews (1988)
    Springer
    The environmentalist 8 (1988), S. 77-80 
    Details
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02240315
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