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All-organic optoelectronic sensor for pulse oximetry

Author

Listed:
  • Claire M. Lochner

    (University of California)

  • Yasser Khan

    (University of California)

  • Adrien Pierre

    (University of California)

  • Ana C. Arias

    (University of California)

Abstract

Pulse oximetry is a ubiquitous non-invasive medical sensing method for measuring pulse rate and arterial blood oxygenation. Conventional pulse oximeters use expensive optoelectronic components that restrict sensing locations to finger tips or ear lobes due to their rigid form and area-scaling complexity. In this work, we report a pulse oximeter sensor based on organic materials, which are compatible with flexible substrates. Green (532 nm) and red (626 nm) organic light-emitting diodes (OLEDs) are used with an organic photodiode (OPD) sensitive at the aforementioned wavelengths. The sensor’s active layers are deposited from solution-processed materials via spin-coating and printing techniques. The all-organic optoelectronic oximeter sensor is interfaced with conventional electronics at 1 kHz and the acquired pulse rate and oxygenation are calibrated and compared with a commercially available oximeter. The organic sensor accurately measures pulse rate and oxygenation with errors of 1% and 2%, respectively.

Suggested Citation

  • Claire M. Lochner & Yasser Khan & Adrien Pierre & Ana C. Arias, 2014. "All-organic optoelectronic sensor for pulse oximetry," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6745
    DOI: 10.1038/ncomms6745
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    Cited by:

    1. Haoran Jin & Zesheng Zheng & Zequn Cui & Ying Jiang & Geng Chen & Wenlong Li & Zhimin Wang & Jilei Wang & Chuanshi Yang & Weitao Song & Xiaodong Chen & Yuanjin Zheng, 2023. "A flexible optoacoustic blood ‘stethoscope’ for noninvasive multiparametric cardiovascular monitoring," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    2. Ruixiang Chen & Ningning Liang & Tianrui Zhai, 2024. "Dual-color emissive OLED with orthogonal polarization modes," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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