Analytical and Bioanalytical Chemistry

, Volume 409, Issue 10, pp 2697–2703 | Cite as

Use of chemometrics to optimize a glucose assay on a paper microfluidic platform

  • Ani Avoundjian
  • Mehdi Jalali-Heravi
  • Frank A. GomezEmail author
Research Paper


We describe the use of a chemometrics-based computational platform to optimize a glucose assay on a microfluidic paper-based analytical device (μPAD). Glucose is colorimetrically detected in the presence of glucose oxidase (GOx), horseradish peroxidase (HRP), and potassium iodide (KI). Using a Y-shaped paper microfluidic chip, the concentration of glucose, volume of reagents, and the length and width of the microfluidic channel were examined. The responses of the microfluidic chips were analyzed at the halfway point of the channel length. Variables affecting the response were screened by using a 24 factorial design, and among them, volume and concentration of the glucose were optimized by applying a rotatable central composite design (CCD). The optimum and experimental responses are 151.58 and 149.80, respectively, with an absolute error of 1.2%.


Paper microfluidics Chemometrics Glucose oxidase Point-of-care diagnostic device 



Analysis of variance


Glucose oxidase


Horseradish peroxidase


Lab-on-a chip


Microfluidic device


Microelectromechanical systems




Microfluidic paper-based analytical device



The authors gratefully acknowledge financial support for this research by grants from the National Science Foundation (HRD-0934146, EEC-0812348, IIA-1448166, and HRD-1547723), the W. M. Keck Foundation, and the La Kretz Foundation.

Compliance with ethical standards

Conflict of interest

The authors have no relevant affiliations or financial involvement with an organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties. No writing assistance was utilized in the production of this manuscript.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Ani Avoundjian
    • 1
  • Mehdi Jalali-Heravi
    • 1
  • Frank A. Gomez
    • 1
    Email author
  1. 1.Department of Chemistry and BiochemistryCalifornia State UniversityLos AngelesUSA

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