MULTIDIMENSIONAL SLIT-SCAN FLOW SYSTEM.

被引:0
|
作者
Cambier, James L.
Kay, David B.
Wheeless Jr., Leon L.
机构
来源
| 1979年
关键词
BIOLOGICAL MATERIALS - Measurements - FLUORESCENCE - Measurements - LASER BEAMS - Applications - PATTERN RECOGNITION SYSTEMS - Computer Applications;
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摘要
A new slit-scan type flow system is described which provides three (X, Y, and Z) orthogonal one-dimensional projections of cell fluorescence. A photomultiplier tube and two semiconductor array detectors are used to obtain the three slit-scan contours from cells traversing a single fluorescence excitation beam. A high speed, dedicated preprocessor analyzes the three contours in parallel, extracting certain features useful for rejecting cells from which an accurate measurement of nuclear fluorescence cannot be obtined. Contour data is buffered and transferred to a PDP-11/40 compuer where nuclear fluorescence is measured and cells are classified. It is anticipated that this new instrument will provide a significant reduction in false alarm rate when applied to prescreening of gynecologic cytology specimens.
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页码:321 / 324
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