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  • Cell & Developmental Biology  (7)
  • Ultrasound  (5)
  • Polymer and Materials Science  (4)
  • Lycopersicon esculentum  (3)
Source
Material
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Pigment evolution in Lycopersicon esculentum fruits during growth and ripening
    Amsterdam : Elsevier
    Phytochemistry 14 (1975), S. 2357-2362 
    Details
    ISSN: 0031-9422
    Keywords: Lycopersicon esculentum ; Solanaceae ; carotenoids ; chlorophylls. ; maturation ; plastids ; tomato fruit
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(75)80344-X
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Polar lipids in healthy and Phytophthora capsici-infected leaflets of Lycopersicon esculentum
    Amsterdam : Elsevier
    Phytochemistry 31 (1992), S. 1961-1967 
    Details
    ISSN: 0031-9422
    Keywords: Lycopersicon esculentum ; Phytophthora capsici ; Solanaceae ; fatty acids ; glycoglycerolipids ; oomycete ; phospholipids ; plant-pathogen interactions ; polar lipids.
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(92)80342-C
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Pancreatic carcinoma in a neonate (1983)
    Springer
    Pediatric radiology 13 (1983), S. 284-286 
    Details
    ISSN: 1432-1998
    Keywords: Neonate-adenocarcinoma ; Computed tomography ; Pancreas ; Ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical and radiographic findings in a neonate with adenocarcinoma of the head of the pancreas are presented. CT revealed the mass to be well defined, with an inhomogeneous density before and after intravenous contrast enhancement. Ultrasound revealed the mass to be mainly densely echogenic with small, irregular, echo-free areas. The portal vein was intimately applied to the posterior aspect of the mass. The literature concerning adenocarcinoma of the pancreas in the pediatric age group is reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00973349
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Biliary disease in metachromatic leukodystrophy (1983)
    Springer
    Pediatric radiology 13 (1983), S. 313-318 
    Details
    ISSN: 1432-1998
    Keywords: Biliary tract ; Metachromatic leukodystrophy ; Ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This paper illustrates the previously unreported sonographic changes in the biliary tract in metachromatic leukodystrophy (MLD). Gallbladder wall thickening due to sulfatide deposition, intraluminal globules of sulfatide or papillomatosis may cause symptoms referrable to the biliary tract in these patients. A series of patients whom, we have studied is briefly alluded to in order to bring to the attention of the radiologist MLD as a rare cause of biliary disease in children.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01625956
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Hypoxic/ischaemic cerebral injury in the neonatal brain (1983)
    Springer
    Pediatric radiology 13 (1983), S. 307-312 
    Details
    ISSN: 1432-1998
    Keywords: Ultrasound ; Neonate ; Hypoxic/ischaemic lesion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ultrasound has been used in 11 neonates whose history or clinical features suggested the possibility of hypoxic/ischaemic lesions. The ultrasound findings were correlated with computed tomographic findings in nine infants and with pathological findings in two. On ultrasound scan, areas of increased echoes represented both hypoxic/ischaemic and haemorrhagic lesions. However, the distinction between them could not be made with certainty. Cystic changes were shown clearly by ultrasound as were cerebral vascular pulsations in and adjacent to the areas of increased echoes. With computed tomography, hypoxic/ischaemic lesions were represented by areas of decreased density and haemorrhagic lesions by areas of increased density. Computed tomography failed to clearly demonstrate the cystic changes. Three types of lesions, viz. diffuse, focal and periventricular were based on the location of brain injury, the former two occurring in term infants and the latter in premature infants. Ultrasound has been shown to be of value for definition of the site and extent of hypoxic/ischaemic cerebral lesions in the newborn and for observation of their evolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01625955
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Postinfectional changes of lipids and photosynthesis in Lycopersicon esculentum susceptible to Phytophthora capsici
    Amsterdam : Elsevier
    Plant Science 61 (1989), S. 169-178 
    Details
    ISSN: 0168-9452
    Keywords: Lycopersicon esculentum ; Phytophthora capsici ; chlorophylls ; fatty acids ; photosynthesis ; plant-pathogen interaction
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0168-9452(89)90221-5
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  • 7
    Electronic Resource
    Electronic Resource
    Congenital epithelial splenic cysts in children (1982)
    Springer
    Pediatric radiology 12 (1982), S. 119-125 
    Details
    ISSN: 1432-1998
    Keywords: Spleen ; Cysts ; Ultrasound ; Abdomen ; Mass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical, radiographic and sonographic features of four children with congenital epithelial splenic cysts are described. All four cases presented with a left upper quadrant mass and few symptoms. In one case the spleen descended into the pelvis in the upright position. In three cases the sonographic findings showed the mass to be completely sonolucent. In the fourth case the mass was echogenic and echoes were distributed homogeneously throughout the mass. These internal echoes were due to the presence of fat droplets within the cyst fluid. Internal echoes may also be due to hemorrhage into the cyst. In all four cases a rim of splenic tissue was visible around part of the cyst.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00971799
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Sonographic studies of human soleus and gastrocnemius muscle architecture: gender variability (2000)
    Springer
    European journal of applied physiology 82 (2000), S. 236-244 
    Details
    ISSN: 1439-6327
    Keywords: Key words Gastrocnemius ; Gender ; Muscle architecture ; Soleus ; Ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The purpose of this study was to establish if there are gender differences in muscle architecture in relaxed human soleus and gastrocnemius muscles of normal, live subjects. Ultrasonography was used to measure fiber bundle length, muscle thickness, and angles of pennation in a total of ten predetermined sites in the medial and lateral heads of gastrocnemius and the anterior and posterior soleus in 19 males and 16 females. Percentage differences between males and females for each parameter were recorded. Gender differences were statistically analyzed using multivariate analysis of variance. In the gastrocnemius and soleus muscles of males and females the differences between the overall fiber bundle length, angle of pennation and muscle thickness were statistically significant (P 〈 0.05). Overall, females were found to have longer average muscle fiber bundle length and males thicker muscles and larger angles of pennation. The greatest percentage differences of the architectural parameters between males and females were in the posterior soleus: 13% difference in fiber length and 26% difference in angle of pennation in the midline of posterior soleus and 26% difference in muscle thickness of the lateral part of posterior soleus. No correlation was found between leg length and fiber length, angle of pennation or muscle thickness. Fiber length (decreased), angle of pennation (greater) and muscle thickness (greater) of most parts of the gastrocnemius and soleus muscles were significantly different in males and females. Leg length of males and females did not correlate to these architectural parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004210050677
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Morphological identification of functional capillaries in the myocardium (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    The @Anatomical Record 208 (1984), S. 283-289 
    Details
    ISSN: 0003-276X
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: This study used acrylic resin as an intravascular marker to demonstrate functional myocardial capillaries after fixation by perfusion. Eight rat hearts were excised and allowed to function as isolated organs perfused with oxygenated Krebs-Henseleit buffer (37o 10 kPa) for 10 min. Four were fixed by perfusion (4 min) with 2.5% glutaraldehyde at the same temperature and pressure and then immersion fixed (24 hr). The other four hearts were perfused with 0.2% procaine HCl for 30 sec just prior to similar fixation. Polymerizing low viscosity acrylic resin was injected at 10 kPa pressure into the fixed vascular beds and allowed to cure, then transmural blocks of left ventricular myocardium were prepared for scanning electron microscopy. Total initial coronary flow of fixative after procaine treatment was significantly increased, while in untreated hearts the initial fixative flow rate was closely similar to that of oxygenated buffer. The pattern of capillary perfusion was assessed, and the percentage of capillary profiles filled by acrylic resin were calculated. Following procaine treatment, 95.2% of capillaries appeared functional, whereas without procaine arrest, only 62.0% of capillaries allowed the passage of resin. This study indicates that perfusion fixation with glutaraldehyde stabilizes myocardial structure so that the proportion of functional capillary pathways remains closely similar to that in the beating heart and so that such functional capillaries can be identified in morphological preparations by using a low viscosity intraluminal resin marker.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ar.1092080216
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  • 10
    Electronic Resource
    Electronic Resource
    Fatigue fracture of reaction injection molded (RIM) nylon composites (1989)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 37 (1989), S. 3029-3056 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: This study was undertaken to determine how milled glass fibers affect the fatigue resistance of reaction injection molded (RIM) nylon 6. Specifically the effects of glass content, fiber length, orientation, and surface treatment were investigated. The fatigue crack growth rates for unfilled and glass-filled samples were observed to follow the well-known Paris equation in terms of dependence on cyclic stress intensity factor. For the unfilled nylon a line shaped zone was observed in advance of the crack tip. Fractography results suggest that the zone was the projection of the actual crack tip profile through the thickness of the sample rather than a distinct plastic or deformation zone. The fatigue fracture surface exhibited a patchy type structure with features 50-150 μm in size, suggesting a void coalescence type of mechanism as has been reported for injection molded nylons. A diffuse damage zone, several millimeters in size, was observed at the crack tip for the glass-filled RIM nylon 6. The zone was observed to pulsate with the applied oscillating load. The growth of the damage zone volume with increasing crack length (and thus increasing stress intensity factor range) followed the Paris law, as did the crack growth rate data. The damage mechanism is attributed to void formation and microcracking at the fiber-matrix interface. The results of this study show that, for milled glass-reinforced RIM nylon 6, the crack growth rates were much more rapid than observed for injection-molded nylon 6 containing chopped glass fibers. This difference is attributed to the greatly reduced glass fiber lengths for the milled glasses.
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1989.070371019
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