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Open AccessArticle

Organic Phase Change Nanoparticles for in-Product Labeling of Agrochemicals

1
Department of Chemical Engineering, Northeastern University, Boston, MA 02115, USA
2
Department of Chemistry, University of California, Santa Barbara, CA 93106, USA
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Author to whom correspondence should be addressed.
Academic Editor: Thomas Nann
Nanomaterials 2015, 5(4), 1810-1819; https://doi.org/10.3390/nano5041810
Received: 15 September 2015 / Revised: 13 October 2015 / Accepted: 26 October 2015 / Published: 28 October 2015
(This article belongs to the Special Issue Engineered Nanomaterials in the Environment)
There is an urgent need to develop in-product covert barcodes for anti-counterfeiting of agrochemicals. This paper reports a new organic nanoparticle-based in-product barcode system, in which a panel of organic phase change nanoparticles is added as a barcode into in a variety of chemicals (herein agrochemicals). The barcode is readout by detecting melting peaks of organic nanoparticles using differential scanning calorimetry. This method has high labeling capacity due to small sizes of nanoparticles, sharp melting peaks, and large scan range of thermal analysis. The in-product barcode can be effectively used to protect agrochemical products from being counterfeited due to its large coding capacity, technical readiness, covertness, and robustness. View Full-Text
Keywords: chemicals; anti-counterfeiting; phase change nanoparticles; in-product barcodes chemicals; anti-counterfeiting; phase change nanoparticles; in-product barcodes
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Wang, M.; Duong, B.; Su, M. Organic Phase Change Nanoparticles for in-Product Labeling of Agrochemicals. Nanomaterials 2015, 5, 1810-1819.

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