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An evaluation of the Kemtek 1000 sample processor.

M J Wheeler¹, L Waiters

¹Department of Chemical Pathology St Thomas' Hospital London SE1 7EH UK.

The Journal of Automatic Chemistry

|January 1, 1988

Summary

The Kemtek 1000 Sample Processor demonstrates excellent precision (<1.0%) and accuracy (+/-5%) for laboratory assays. This automated system efficiently processes samples, reducing carry-over contamination and proving reliable for routine use.

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Area of Science:

Clinical laboratory automation
Biochemical assay development

Background:

Automated sample processing is crucial for high-throughput clinical laboratories.
Ensuring precision, accuracy, and minimizing carry-over are key performance indicators for laboratory automation.

Purpose of the Study:

To evaluate the performance of the Kemtek 1000 Sample Processor.
To assess its precision, accuracy, speed, reliability, and potential for carry-over contamination.

Main Methods:

The Kemtek 1000 Sample Processor was tested for precision and accuracy across various volumes.
Assay setup time and carry-over contamination were quantified using a two-probe system.
Protein adsorption to probe tubing was investigated, with mitigation strategies explored.

Main Results:

Precision was consistently better than 1.0%, and accuracy was within +/-5%.
A 100-tube assay could be set up in 15 minutes.
Carry-over was reduced to <0.01% with appropriate wash steps; protein adsorption was manageable.

Conclusions:

The Kemtek 1000 Sample Processor is a precise, accurate, and reliable instrument for laboratory assay setup.
The system's efficiency and manageable carry-over make it suitable for routine clinical use.
Minor issues encountered were resolved promptly, fostering staff confidence in the automated processor.