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  • FRAP  (2)
  • Key words: Ultrasound  (2)
  • 1
    Digitale Medien
    Digitale Medien
    Effect of sub-skinning concentrations of saponin on intracellular Ca^2^+ and plasma membrane fluidity in cultured cardiac cells
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 1145 (1993), S. 58-62 
    Details
    ISSN: 0005-2736
    Schlagwort(e): Calcium ion, intracellular ; FRAP ; Intracellular calcium ion ; Membrane fluidity ; Saponin
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(93)90381-9
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Long-standing painless intussusception in adults (2000)
    Springer
    European radiology 10 (2000), S. 811-813 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Ultrasound ; Intestine ; Tuberculosis ; Intussusception ; Doppler
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Long-standing painless intussusception in adults is considered to be rare. We report three such cases with an emphasis on color Doppler results. In our three cases the indication for abdominal US was a palpable mass in all these cases, and intussusception was detected by US at a time when the patients had only very mild abdominal discomfort. Persistence of sufficient blood flow, as was suggested by the color Doppler results, was thought to be the most likely pathomechanism of long-standing painless intussusception. The underlying disease was tuberculosis in two of the three cases. Thus, when encountering patients with painless intussusception, tuberculosis must be kept in mind.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300051009
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Primary tumours of the greater omentum (1998)
    Springer
    European radiology 8 (1998), S. 1598-1601 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Ultrasound ; CT ; Omentum ; Leiomyosarcoma ; Lipoma ; Schwannoma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Primary tumours of the greater omentum are very rare. Ultrasound allows the detection and characterization of such lesions, but determination of their precise anatomical location is usually difficult by US. Computed tomography determines the omental origin of the tumour. Thus,when US reveals an abdominal tumour of unknown origin, the possibility of an omental tumour, although rare, must be kept in mind and CT should be performed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300050594
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  • 4
    Digitale Medien
    Digitale Medien
    Lateral mobility of phospholipid molecules in thin liquid films (1995)
    Springer
    European biophysics journal 23 (1995), S. 433-438 
    Details
    ISSN: 1432-1017
    Schlagwort(e): Lecithin ; Foam films ; Lateral diffusion ; FRAP ; PEG
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Physik
    Notizen: Abstract The Fluorescence Recovery After Photobleaching (FRAP) method was applied to measure the lateral mobility of the fluorescent lipid analog, dioctadecylindocarbocyanine perchlorate (Dil-C18), in microscopic thin liquid films (Foam Films (FFs)). The foam film structures were comprised of two phosphatidylcholine monolayers adsorbed at air/water interfaces which sandwiched a thin liquid core. Lateral diffusion of the DiI molecules in the plane of the monolayers was determined as a function of the thickness of the thin liquid core of the film between the FF monolayers. The results obtained indicated that the diffusion coefficient was strongly dependent both on the distance between the FF monolayers in the range 4 nm to 85 nm (corresponding to the FF thickness) and on the film type. The applicability of the FRAP method for studying the molecular mobility in phospholipid FFs was demonstrated. Considerable differences in the surface diffusion coefficient of Dil were observed, ranging between 2 × 10−8 cm2/s and 22 × 10−8 cm2/s in so called yellow, gray, common black and Newton black FFs. The effect of the presence of polyethylene glycol (PEG-400) in the liquid core of lecithin FFs on surface diffusion was also studied. The surface diffusion results from the FF studies were compared with data from black lipid membranes (BLMs). These structures are related in thickness terms but the molecular orientation in FFs is the reverse of that in BLMs.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00196830
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