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Abstract

Light from an object such as a cell moving through an imaging system is collected, and imaged onto a time delay integration (TDI) detector, producing a pixelated output signal in response to the image of the object. The light can be emitted from a luminous object, from a source and scattered by the object, or can be a fluorescent emission by one or more object probes. Light absorbed or reflected by the object can also produce images for determining specific characteristics of the object. In one set of embodiments, the movement of the object is synchronized with that of the pixelated output signal, which is controlled by the readout rate of the TDI detector. Alternatively, the readout rate of the pixelated output signal is not synchronized with the movement of the object, thereby permitting multiple signals to be produced for each of a plurality of objects over time.

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First Claim