Imaging & identification of malaria parasites using cellphone microscope with a ball lens

Temitope E. Agbana, Jan-Carel Diehl, Fiona van Pul, Shahid M. Khan, Vsevolod Patlan, Michel Verhaegen, Gleb Vdovin

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
47 Downloads (Pure)

Abstract

We have optimized the design and imaging procedures, to clearly resolve the malaria parasite in Giemsa-stained thin blood smears, using simple low-cost cellphone-based microscopy with oil immersion. The microscope uses a glass ball as the objective and the phone camera as the tube lens. Our optimization includes the optimal choice of the ball lens diameter, the size and the position of the aperture diaphragm, and proper application of immersion, to achieve diagnostic capacity in a wide field of view. The resulting system is potentially applicable to low-cost in-the-field optical diagnostics of malaria as it clearly resolves micron-sized features and allows for analysis of parasite morphology in the field of 50 × 50 μm, and parasite detection in the field of at least 150 × 150 μm.

Original languageEnglish
Article numbere0205020
Number of pages13
JournalPLoS ONE
Volume13
Issue number10
DOIs
Publication statusPublished - 2018

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  • Research Output

    • 8 Citations
    • 1 Dissertation (TU Delft)
    Open Access
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  • 44 Downloads (Pure)

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