Laser-cut paper-based device for the detection of dengue non-structural NS1 protein and specific IgM in human samples


The incidence of flavivirus infections has increased dramatically in recent decades in tropical and sub-tropical areas worldwide, affecting hundreds of millions of people each year. Dengue viruses are typically transmitted by mosquitoes and can cause a wide range of symptoms from flu-like fever to organ impairment and death. Although conventional diagnostic tests can provide early diagnosis of acute dengue infections, access to these tests is often limited in developing countries. Consequently, there is an urgent need to develop affordable, simple, rapid, and robust diagnostic tools that can be used at ‘Point of Care’ settings. Early diagnosis is crucial to improve patient management and reduce the risk of complications. In the present study, a novel laser-cut device made of glass-fiber paper was designed and tested for the detection of the dengue Non Structural 1 (NS1) viral protein and specific IgM in blood and plasma. The device, called PAD, was able to detect around 25 ng/mL of NS1 protein in various sample types in 8 minutes, following a few simple steps. The PAD was also able to detect specific IgM in human plasmas in less than 10 minutes. The PAD appears to have all the potential to assist health workers in early diagnosis of dengue fever or other tropical fevers caused by flaviviruses.

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Authors wish to thank Marc Bossus, Celine Roesch, Michèle Guillote (Immunoassays department of bioMérieux) for antibody productions; Florence Bettworth, Blandine Le Levreur and Marie-Claire Cavaud (Immunoassays department of bioMérieux) for antibody purification and labeling. Special thanks to Maxime Combe and Fabien Fulmar for providing various raw materials. The final manuscript has been red and corrected by RWS life science, Lausane, CH.

Author information




All of the authors contributed to the study conception. AR and FF carried out the PAD design and manufacturing. GT, AR and FB performed research. FB, GT and AR wrote the manuscript. All of the authors analyzed data, read, corrected and approved the final manuscript. FB, PD, ILG and CR performed the study coordination and funding.

Corresponding author

Correspondence to F. Bedin.

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This study was funded by BioMerieux SA and Agence Nationale de la Recherche et de la Technologie (G. Theillet’s grant CIFRE no 2015/0514).

Conflict of Interest

All the authors (except I. Leparc -Goffart) are employed by bioMerieux SA.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Handling Editor: Tim Skern.

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Theillet, G., Rubens, A., Foucault, F. et al. Laser-cut paper-based device for the detection of dengue non-structural NS1 protein and specific IgM in human samples. Arch Virol 163, 1757–1767 (2018).

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