Anticounterfeit protection of pharmaceutical products with spatial mapping of X-ray-detectable barcodes and logos.

Daniele Musumeci, Chunhua Hu, Michael D. Ward

Research output: Contribution to journalArticle

Abstract

Counterfeit pharmaceutical products are a global threat to public health, and they undermine the credibility and the financial success of the producers of genuine products. The escalating circulation of counterfeit drugs demands new anticounterfeit measures that permit rapid screening, are nondestructive, and cannot be circumvented easily. Herein we describe a micro-X-ray diffraction (μ-XRD) protocol for this purpose capable of reading barcodes and logos fabricated on various substrates using soft-lithography stamping of compounds that can be read by X-ray diffraction but are invisible to the naked eye or optical microscopy. This method is demonstrated with barcodes and logos of compounds, approved by the Food and Drug Administration, printed on flat substrates as well as commercial aspirin and ibuprofen tablets. The μ-XRD protocol is nondestructive, automated, and user-friendly and can be used to certify the authenticity of drug tablets by mapping hidden patterns printed under the tablet coating and on packages.

Original languageEnglish (US)
Pages (from-to)7444-7450
Number of pages7
JournalAnalytical Chemistry
Volume83
Issue number19
StatePublished - Oct 1 2011

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Counterfeit Drugs
Tablets
X rays
Pharmaceutical Preparations
X ray diffraction
Ibuprofen
Stamping
Public health
Substrates
Lithography
Aspirin
Optical microscopy
Screening
Coatings

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Anticounterfeit protection of pharmaceutical products with spatial mapping of X-ray-detectable barcodes and logos. / Musumeci, Daniele; Hu, Chunhua; Ward, Michael D.

In: Analytical Chemistry, Vol. 83, No. 19, 01.10.2011, p. 7444-7450.

Research output: Contribution to journalArticle

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