. 2018 Sep 18;23(9):2380. doi: 10.3390/molecules23092380
© 2018 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Figure 4.
Schematic representation of a QCM sensor chip.