50 research outputs found

    old harp; old harps

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    oldThat same punt is down there now by the whraf, with thirteen old _ turners an' old harps aboard. That'll give ya an idea! . . . you knowmcaracases an' the works!YesJ.D.A. WIDDWOSON JAN 1973Used I and SupUsed INot use

    Fluorescence lifetime imaging: different features of melanoma.

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    <p>A, dendritic cells in upper melanoma layers (asterisks); B, melanoma cells infiltrating a non edged papilla (arrows); C, red collagen fibers surrounding ASLC nests (arrows).</p

    Fluorescence lifetime imaging of melanoma at different depth.

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    <p>A, dermoscopic images and stacks of 3 melanomas; B, typical dermoscopic features; C, and D, upper melanoma layers, characterized by orange atypical large short-lifetime cells (ASLCs) irregularly distributed or forming aggregates. Cells are pleomorphic and show a nucleus with undefined contours and a non-homogeneous cytoplasm with speckled melanin. A peripheral cytoplasmic halo is observable in some cells (triangles), some of which are polinucleated (dots). E, F and G, deeper MM layers with ASLCs variable in size, shape and distribution forming aggregates and infiltrating papillae (thick arrows) and hair follicles (thin arrows).</p

    Multiphoton laser tomography and fluorescence lifetime imaging of melanoma.

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    <p>A, MPT image of upper melanoma layers; B, FLIM image of the same spot displayed by a 0–2000 <i>ps</i> fluorescence lifetime range showing that all cells are melanocytic; C, 0–400 scale, employed to increase contrast for the distinction of cellular details, such as the cytoplasmic halo and the speckling. Dots indicate nuclei with undefined contours; arrows indicate polinucleated cells; asterisks indicate cytoplasmic halo, and triangles speckled melanin. FLIM values do not change, they are only displayed in a different way.</p

    Frequency of MPM/FLIM descriptors in 25 MMs, 50 melanocytic nevi and 50 BCCs.

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    <p>Cohen's k coefficients of single descriptors, X<sup>2</sup> values and Odd's ratios in 25 MMs and 50 nevi.</p><p>• = X<sup> 2</sup> significancy (<i>p</i>≤0.005). The value is NA (not applicable) when it was not possible to find: nevi with a positive parameter, nevi with a negative parameter, melanomas with a positive parameter, melanomas with a negative parameter.</p>**<p>Melanin containing cells in 3 BCCs were large and with different size, but did not show all the atypical aspects of melanoma cells.</p
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