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  2. Antinuclear antibody - Wikipedia

    en.wikipedia.org/wiki/Antinuclear_antibody

    An ANA test is considered positive if fluorescence is seen at a titre of 1:40/1:80. Higher titres are more clinically significant as low positives (≤1:160) are found in up to 20% of healthy individuals, especially the elderly. Only around 5% of the healthy population have ANA titres of 1:160 or higher. [8] [53]

  3. Proliferating cell nuclear antigen - Wikipedia

    en.wikipedia.org/wiki/Proliferating_cell_nuclear...

    18538 Ensembl ENSG00000132646 ENSMUSG00000027342 UniProt P12004 P17918 RefSeq (mRNA) NM_182649 NM_002592 NM_011045 RefSeq (protein) NP_002583 NP_872590 NP_035175 Location (UCSC) Chr 20: 5.11 – 5.13 Mb Chr 2: 132.09 – 132.1 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cryo-EM structure of the DNA-bound PolD–PCNA processive complex Proliferating cell nuclear antigen (PCNA) is ...

  4. Speckle (interference) - Wikipedia

    en.wikipedia.org/wiki/Speckle_(interference)

    The pattern is the same regardless of how it is imaged, just as if it were a painted pattern. The "size" of the speckles is a function of the wavelength of the light, the size of the laser beam which illuminates the first surface, and the distance between this surface and the surface where the speckle pattern is formed.

  5. Anti-SSA/Ro autoantibodies - Wikipedia

    en.wikipedia.org/wiki/Anti-SSA/Ro_autoantibodies

    Immunofluorescence pattern of SS-A and SS-B antibodies. Produced using serum from a patient on HEp-20-10 cells with a FITC conjugate. Anti-SSA autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies, also called anti-Ro, or similar names including anti-SSA/Ro, anti-Ro/SSA, anti–SS-A/Ro, and anti-Ro/SS-A) are a type of anti-nuclear autoantibodies that are associated with ...

  6. Extractable nuclear antigen - Wikipedia

    en.wikipedia.org/wiki/Extractable_nuclear_antigen

    An extractable nuclear antigen panel, or an ENA panel, tests for presence of autoantibodies in the blood that react with proteins in the cell nucleus.It is usually done as a follow-up to a positive antinuclear antibody test and when one is showing symptoms of an autoimmune disorder.

  7. Anti-neutrophil cytoplasmic antibody - Wikipedia

    en.wikipedia.org/wiki/Anti-neutrophil_cytoplasm...

    Immunofluorescence (IF) on ethanol-fixed neutrophils is used to detect ANCA, although formalin-fixed neutrophils may be used to help differentiate ANCA patterns. ANCA can be divided into four patterns when visualised by IF; cytoplasmic ANCA (c-ANCA), C-ANCA (atypical), perinuclear ANCA (p-ANCA) and atypical ANCA (a-ANCA), also known as x-ANCA. c-ANCA shows cytoplasmic granular fluorescence ...

  8. Speckle tracking echocardiography - Wikipedia

    en.wikipedia.org/wiki/Speckle_Tracking...

    The speckle pattern is a mixture of interference patterns and natural acoustic reflections. [1] These reflections are also described as speckles or markers. The pattern being random, each region of the myocardium has a unique speckle pattern (also called patterns, features, or fingerprints) that allows the region to be tracked. The speckle ...

  9. Laser speckle contrast imaging - Wikipedia

    en.wikipedia.org/wiki/Laser_speckle_contrast_imaging

    The size of each speckle pattern should smaller than the photodetector's pixel size to avoid the decrease of contrast. The minimum speckle diameter for an LSCI system depends on the wavelength of light, imaging system magnification, and imaging system f-number: d min ≈ 1.2 ( 1 + M ) λ f / # {\displaystyle d_{\min }\thickapprox 1.2(1+M ...

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