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High-throughput pretreatment system in automated urinary sediment analyzer.
R Miyake1, I Yamazaki, Y Kojima
1Mechanical Engineering Research Laboratory, Hitachi, Ltd., Tsuchiura Japan. miyake@merl.hitachi.co.jp
Cytometry
|February 3, 2000
Summary
This study introduces an automated urinary sediment analyzer designed to rapidly identify disease-indicating particles in urine. The new system significantly speeds up analysis, offering a high-throughput solution for clinical diagnostics.
Area of Science:
- Clinical diagnostics
- Medical laboratory technology
- Urinalysis
Background:
- Urine contains particles indicative of urinary tract diseases.
- Manual sediment analysis is labor-intensive and time-consuming.
- Automated analysis offers a solution to improve efficiency.
Purpose of the Study:
- To develop an automated urinary sediment analyzer.
- To create a high-throughput pretreatment system for faster analysis.
- To reduce the manual labor involved in urine sediment examination.
Main Methods:
- The system utilizes four reaction vessels for sample dying.
- A sheath flow chamber facilitates sample analysis.
- An automated sample carrier mechanism enables rapid, overlapped processing.
Main Results:
- The system achieved a short buildup time of 1.8 seconds.
- Extra-sample volume for measurement was minimized to 4.9 microliters.
- High throughput of 120 samples per hour was demonstrated.
Conclusions:
- The short buildup time enables high throughput analysis.
- Reduced extra-sample volume minimizes carryover between samples.
- The automated analyzer provides an efficient alternative to manual urine sediment analysis.