- Computer assisted centrifugal elutriation I: detection system and data acquisition equipment
- Computer Methods and Programs in Biomedicine
- Volume | Issue number
- 24 | 3
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Informatics Institute (IVI)
To optimize cell separations by centrifugal elutriation, we constructed an on-line computer-controlled multiparametric light-scatter system. A bypass sample flow, at the outlet of an elutriation rotor, is hydrofocussed and three scatter parameters of each cell are determined up to a maximum of 15 000 cells/second. The 18-bit representation of the parameter values are cumulatively stored by means of a direct memory access interface. The histogram memory is continuously displayed to provide information on the number and type of cells that are elutriated. A special purpose operating system, implemented on a stand-alone computer configuration, allows a high data-acquisition rate and ample data processing capacity. In addition, a local network driver was constructed to facilitate off-line detailed analysis of the data. The equipment is well suited to monitor the centrigural elutriation process. The flexibility of the system allows an extension of the monitor to computer-controlled elutriation.
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