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  • 1
    Electronic Resource
    Electronic Resource
    Luffolide, a novel anti-inflammatory terpene from the spongeLuffariella sp. (1989)
    Springer
    Cellular and molecular life sciences 45 (1989), S. 388-390 
    Details
    ISSN: 1420-9071
    Keywords: Luffolide ; Luffariella sp ; X-ray structure determination ; anti-inflammatory ; phospholipase A2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Luffolide (4) is a minor metabolite of the spongeLuffariella sp. from Palau. The structure of luffolide was determined by single crystal X-ray analysis. Luffolide is relatively unstable and undergoes a complex cyclization reaction to give the hexacyclic products5 and6. Luffolide (4) has some of the anti-inflammatory properties of manoalide (1): this may help to define the chemical reaction between manoalide (1) and phospholipase A2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957489
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Luffariellolide, an anti-inflammatory sesterterpene from the marine spongeLuffariella sp. (1987)
    Springer
    Cellular and molecular life sciences 43 (1987), S. 949-950 
    Details
    ISSN: 1420-9071
    Keywords: Marine sponge ; Luffariella sp. ; sesterterpene ; phospholipase A2 inhibitor ; anti-inflammatory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Luffariellolide (2) is a sesterterpene from the Palauan spongeLuffariella sp. that has useful anti-inflammatory properties. In contrast with the irreversible action of manoalide (1) on phospholipase A2, luffariellolide (2) is a slightly less potent but partially reversible PLA2 inhibitor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951682
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The subjective image quality of direct digital and conventional panoramic radiography (2000)
    Springer
    Clinical oral investigations 4 (2000), S. 162-167 
    Details
    ISSN: 1436-3771
    Keywords: Key words Dental radiography ; Digital dental radiography ; Panoramic radiography ; Diagnostic imaging ; Radiographic image enhancement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  One of the main advantages of digital imaging is the possibility of altering display options for improved image interpretation. The aim of the present study was to evaluate the subjective image quality of direct digital panoramic images and compare the results with those obtained from conventional images. Furthermore, the effect of various filter settings on image interpretation was assessed. Panoramic images were obtained with three different types of panoramic equipment (one direct digital and two conventional units) from three groups of 54 patients with a natural dentition in all quadrants. The first series of panoramic images consisted of 54 unprocessed digital images; conventional film images (n=108) comprised the second and third series. A final series consisted of the digital images treated with three different filters (”smoothening,””sharpening,” and ”contrast enhancement”). All images were scored randomly by four experts in oral radiology on a 4-point rating scale. The results showed a statistically significant difference in scorings between the conventional and digital panoramic units. The main reason for poor image quality appeared to be a combination of blurring and overlapping in the panoramic image. The premolar region in the upper jaw was the region where most additional radiographs were needed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007840000059
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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