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VTT Printed a Morphine Test on Paper

Monday, April 13, 2015

Press release from the issuing company

VTT is the first in the world to have developed a drug test printed on paper. VTT used antibodies – produced by methods of molecular biology – as morphine sensing molecules when creating this printing technology-based morphine test. Using printing technology to manufacture rapid tests enables high production volumes and low production costs.

A paper-based test enables a rapid analysis of whether a compound – in this case, morphine – is present in a given sample. Possible future applications of the developed test include drug testing at workplaces and in connection with traffic control. 

This method, developed by VTT Technical Research Centre of Finland Ltd, provides several advantages, such as high production volumes, low material costs and disposability as well as design freedom based on bendability and foldability of paper.

"In 2010, we proved that the VTT method works in a hemoglobin assay. Through our continued development efforts, we wanted to confirm that the method also works in mass-production of more demanding tests. Morphine as a small-sized molecule places major requirements on the analytical performance of the test. In the future, the new method will also present an opportunity to simultaneously analyse other drugs of abuse and residues of pharmaceuticals and their metabolites from one and the same sample", says Tomi Erho, Principal Scientist at VTT.

Morphine and hemoglobin tests have shown that paper is an excellent platform for various antibody-based tests. In rapid testing, paper can replace nitrocellulose, which is typically used as a reaction and flow substrate, to provide a very low-cost, lightweight and biodegradable material alternative. In the future, paper could also become a competitive alternative for commonly used plastic-based assay platforms.

Printing technology will be a low-cost method for the manufacture of rapid tests designed for the use of consumers, businesses and authorities for instance in the areas of health, welfare and the environment. 

Rapid diagnostics and the expansion of testing outside clinical and analytical laboratories to patients and other end-users is a rising trend. Printing of tests on paper will provide entirely new opportunities for innovations based on the mass production of home test kits. 

The research was performed at VTT as part of research projects mainly funded by Tekes – the Finnish Funding Agency for Innovation. 

The VTT study "A paper-based lateral flow assay for morphine" was published in the Analytical & Bioanalytical Chemistry journal: http://link.springer.com/article/10.1007%2Fs00216-014-8001-7


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