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si 3 n 4 chips  (Norcada Inc)


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    Norcada Inc si 3 n 4 chips
    Limit of detection estimation at 8-BM using the capillary optic. We inspected histograms of low-mass concentration pixels from the Ca image of the kidney partial section of Fig. 1 ( c ) taken at per-pixel dwell time t dwell = 50 ms (thus, at an incident fluence of = 2.8 × 10 6 photons µm −2 – see Section 3 ) and of a photon statistics-corrected scan of an empty Si 3 N 4 under the assumption of no Ca presence (we increased the distribution width of the histogram of the Si 3 N 4 window scan by a factor of two for the statistics correction because we scanned it at t dwell = 200 ms). We empirically estimated a limit of detection ≃ 0.05 µg cm −2 for the kidney partial section since we did not observe that many ‘false-positive’ pixels in the empty Si 3 N 4 window scan. Our limit of detection was an estimate; a more rigorous statistical approach [see Currie (1968 ), for instance] would be needed for a more accurate determination of such a parameter. See Section 2.1 for more details about choosing to look at Ca for the kidney partial section.
    Si 3 N 4 Chips, supplied by Norcada Inc, used in various techniques. Bioz Stars score: 95/100, based on 39 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    1) Product Images from "Multifunctional bending magnet beamline with a capillary optic for X-ray fluorescence studies of metals in tissue sections"

    Article Title: Multifunctional bending magnet beamline with a capillary optic for X-ray fluorescence studies of metals in tissue sections

    Journal: Journal of Synchrotron Radiation

    doi: 10.1107/S1600577526000925

    Limit of detection estimation at 8-BM using the capillary optic. We inspected histograms of low-mass concentration pixels from the Ca image of the kidney partial section of Fig. 1 ( c ) taken at per-pixel dwell time t dwell = 50 ms (thus, at an incident fluence of = 2.8 × 10 6 photons µm −2 – see Section 3 ) and of a photon statistics-corrected scan of an empty Si 3 N 4 under the assumption of no Ca presence (we increased the distribution width of the histogram of the Si 3 N 4 window scan by a factor of two for the statistics correction because we scanned it at t dwell = 200 ms). We empirically estimated a limit of detection ≃ 0.05 µg cm −2 for the kidney partial section since we did not observe that many ‘false-positive’ pixels in the empty Si 3 N 4 window scan. Our limit of detection was an estimate; a more rigorous statistical approach [see Currie (1968 ), for instance] would be needed for a more accurate determination of such a parameter. See Section 2.1 for more details about choosing to look at Ca for the kidney partial section.
    Figure Legend Snippet: Limit of detection estimation at 8-BM using the capillary optic. We inspected histograms of low-mass concentration pixels from the Ca image of the kidney partial section of Fig. 1 ( c ) taken at per-pixel dwell time t dwell = 50 ms (thus, at an incident fluence of = 2.8 × 10 6 photons µm −2 – see Section 3 ) and of a photon statistics-corrected scan of an empty Si 3 N 4 under the assumption of no Ca presence (we increased the distribution width of the histogram of the Si 3 N 4 window scan by a factor of two for the statistics correction because we scanned it at t dwell = 200 ms). We empirically estimated a limit of detection ≃ 0.05 µg cm −2 for the kidney partial section since we did not observe that many ‘false-positive’ pixels in the empty Si 3 N 4 window scan. Our limit of detection was an estimate; a more rigorous statistical approach [see Currie (1968 ), for instance] would be needed for a more accurate determination of such a parameter. See Section 2.1 for more details about choosing to look at Ca for the kidney partial section.

    Techniques Used: Concentration Assay



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    Limit of detection estimation at 8-BM using the capillary optic. We inspected histograms of low-mass concentration pixels from the Ca image of the kidney partial section of Fig. 1 ( c ) taken at per-pixel dwell time t dwell = 50 ms (thus, at an incident fluence of = 2.8 × 10 6 photons µm −2 – see Section 3 ) and of a photon statistics-corrected scan of an empty Si 3 N 4 under the assumption of no Ca presence (we increased the distribution width of the histogram of the Si 3 N 4 window scan by a factor of two for the statistics correction because we scanned it at t dwell = 200 ms). We empirically estimated a limit of detection ≃ 0.05 µg cm −2 for the kidney partial section since we did not observe that many ‘false-positive’ pixels in the empty Si 3 N 4 window scan. Our limit of detection was an estimate; a more rigorous statistical approach [see Currie (1968 ), for instance] would be needed for a more accurate determination of such a parameter. See Section 2.1 for more details about choosing to look at Ca for the kidney partial section.

    Journal: Journal of Synchrotron Radiation

    Article Title: Multifunctional bending magnet beamline with a capillary optic for X-ray fluorescence studies of metals in tissue sections

    doi: 10.1107/S1600577526000925

    Figure Lengend Snippet: Limit of detection estimation at 8-BM using the capillary optic. We inspected histograms of low-mass concentration pixels from the Ca image of the kidney partial section of Fig. 1 ( c ) taken at per-pixel dwell time t dwell = 50 ms (thus, at an incident fluence of = 2.8 × 10 6 photons µm −2 – see Section 3 ) and of a photon statistics-corrected scan of an empty Si 3 N 4 under the assumption of no Ca presence (we increased the distribution width of the histogram of the Si 3 N 4 window scan by a factor of two for the statistics correction because we scanned it at t dwell = 200 ms). We empirically estimated a limit of detection ≃ 0.05 µg cm −2 for the kidney partial section since we did not observe that many ‘false-positive’ pixels in the empty Si 3 N 4 window scan. Our limit of detection was an estimate; a more rigorous statistical approach [see Currie (1968 ), for instance] would be needed for a more accurate determination of such a parameter. See Section 2.1 for more details about choosing to look at Ca for the kidney partial section.

    Article Snippet: The sections were then transferred to Si 3 N 4 chips (NX5200, Norcada) previously affixed to glass slides by Kapton tape.

    Techniques: Concentration Assay