Nanopia PSA

  • Can be used on various automated biochemistry analyzers
  • Accurate measurement within the concentration range of 0.5 to 100 ng/mL
  • Free PSA and bound PSA(PSA-ACT) show an equimolar reaction
  • *This package insert follows the Pharmaceuticals, Medical devices and Other Therapeutic Products Act of Japan.


*Read carefully the package insert before use.

Performance Data

Precision (within-run)

n=10 Measurement (ng/mL)
Sample 1 Sample 2 Sample 3 Sample 4 Sample 5
Mean 1.05 1.77 2.56 4.52 13.81
S.D. 0.05 0.05 0.11 0.10 0.13
CV(%) 5.0 2.7 4.2 2.3 0.9
Min. 1.0 1.7 2.4 4.3 13.5
Max. 1.1 1.8 2.7 4.7 13.9

CV is approximately 5% at 1 ng/mL and approximately 3% at around 2 ng/mL, showing good precision.

Reactivities of free and bound PSA

Reactivities of free and bound PSA

Using free PSA and bound PSA of the same concentration, samples prepared by changing the mixing ratio of free and bound PSA were measured. According to the results, results did not change in the measurement region, from 0 to 100 percent of free PSA. This shows that free and bound forms are measured equally (equimolar response).

Detection limit and effective sensitivity

(Detection limit)

(Effective sensitivity)

The detection limit was found to be 0.5 ng/mL using the method of Mean ±2.6SD at zero concentration, and 0.4 ng/mL using an effective sensitivity 20 percent of CV for between-run precision. Both results show that the detection limit is approximately 0.5 ng/mL.



Linearity was observed at a concentration of up to 100 ng/mL.



There was high correlation between our method and the RIA method which is accepted as the standard method.

Nanopia PSA

Additional information

Nanopia PSA | PSA Buffer Solution 1

1x10mL, Storage: 2-10℃

Nanopia PSA | PSA Latex Reagent 2

1x10mL, Storage: 2-10℃

PSA Calibrator*

6conc.×0.5mL(lyophilized), Storage: 2-10℃

PSA Control*

3×2conc.×1.0mL(lyophilized), Storage: 2-10℃

PSA Sample Dilution Solution*

1×2.0mL(lyophilized), Storage: 2-10℃

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