Fig. 5: Glucose detection using porous MN-integrated paper sensor. | Microsystems & Nanoengineering

Fig. 5: Glucose detection using porous MN-integrated paper sensor.

From: Controllable-pore porous microneedles for high-speed extraction and biomarker detection of interstitial fluid

Fig. 5

a Glucose detection through the color change of the paper sensor. b Structural illustration of three methods for combining porous MN array and paper sensor. c Color change and comparison of different integration methods. Scale bars, 5 mm. d Glucose detection using porous MAP with a diffusion layer

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