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318 results about "Cell processing" patented technology

The Cell processor (also called CELL) is a microprocessor chip with a multi-core , parallel processing architecture and floating-point design.

Segmentation method for unconventional cells in pathological section

The invention discloses a segmentation method for unconventional cells in a pathological section. The method comprises the steps that cells in the pathological section are processed into separate to-be-segmented cell images with a transparent background, and a pixel tag is allocated to each pixel point of each to-be-segmented image; a mapping method is used to randomly distribute the to-be-segmented cell images on a white background, the cells are superposed according to a certain probability to form pseudo-input images, and corresponding full-image pixel tags are acquired and marked as real-value tags; the pseudo-input images and the real-value tags are used as training data to train a Mask-RCNN, so that the Mask-CNN has the abilities of detecting an unconventional cell boundary box and predicting the pixel tags in the box; and a new pathological section not marked is input into the converged Mask-RCNN, the unconventional cells in the non-segmented pathological section are detected, and a final segmentation result is obtained through postprocessing. Through the segmentation method, marking time can be effectively shortened, marking cost can be effectively lowered, a large amount of training data can be generated in a short time, and fitting can be well performed on a large amount of data.
Owner:ZHEJIANG UNIV

Microfluid cell processing chip and application method thereof

The invention relates to a microfluid cell processing chip comprising a bottom layer and a top layer. A snakelike pipe and a cell operation chamber are disposed in the top layer, and two solution inflow channels are disposed on the inflow-port of the snakelike pipe. A protective agent entrance is disposed on the inlet pipe of one of the inflow channels, and a buffer solution entrance is disposed on the inlet pipe of another inflow channel. A solution outflow channel of the snakelike pipe is connected with the cell operation chamber, and the cell operation chamber is provided with a solution exit, a waste fluid outflow channel and a cell access channel. A row of cylindrical barriers are disposed on each side of the cell operation chamber, and the barriers are used for limiting the cell in the operation chamber, so that the cell can not be washed away by the protective agent. In practical application, operator uses the refitted cell mouth-sucking device to blow or suck the cell in or out the chip cell operation chamber directly. The microfluid cell processing chip and application method thereof can make the concentration of protective agent change continuously when adding or removing the cryoprotectant of animal cell with large volume. The method has direct and simple operation, and has less damage for cell.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
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