Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Prediction capability of the calibration curves with and without purine IS for various concentrations of (a–c) adenine and (d–f) hypoxanthine. (a, d) Predicted concentrations vs tested concentrations, (b, e) average absolute percentage errors, and (c, f) average absolute logarithmic errors.
