Reflectance-based organic pulse meter sensor for wireless monitoring of photoplethysmogram signal

Fahed Elsamnah, Anubha Bilgaiyan, Muhamad Affiq, Chang Hoon Shim, Hiroshi Ishidai, Reiji Hattori

Research output: Contribution to journalArticle

Abstract

This paper compares the structural design of two organic biosensors that minimize power consumption in wireless photoplethysmogram (PPG) waveform monitoring. Both devices were fabricated on the same substrate with a red organic light-emitting diode (OLED) and an organic photodiode (OPD). Both were designed with a circular OLED at the center of the device surrounded by OPD. One device had an OLED area of 0.06 cm2, while the other device had half the area. The gap distance between the OLED and OPD was 1.65 mm for the first device and 2 mm for the second. Both devices had an OPD area of 0.16 cm2. We compared the power consumption and signal-to-noise ratio (SNR) of both devices and evaluated the PPG signal, which was successfully collected from a fingertip. The reflectance-based organic pulse meter operated successfully and at a low power consumption of 8 μW at 18 dB SNR. The device sent the PPG waveforms, via Bluetooth low energy (BLE), to a PC host at a maximum rate of 256 kbps data throughput. In the end, the proposed reflectance-based organic pulse meter reduced power consumption and improved long-term PPG wireless monitoring.

Original languageEnglish
Article number87
JournalBiosensors
Volume9
Issue number3
DOIs
Publication statusPublished - Sep 2019

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Organic light emitting diodes (OLED)
Photodiodes
Electric power utilization
Equipment and Supplies
Monitoring
Sensors
Signal to noise ratio
Light
Bluetooth
Signal-To-Noise Ratio
Structural design
Biosensors
Throughput
Biosensing Techniques
Substrates

All Science Journal Classification (ASJC) codes

  • Clinical Biochemistry

Cite this

Reflectance-based organic pulse meter sensor for wireless monitoring of photoplethysmogram signal. / Elsamnah, Fahed; Bilgaiyan, Anubha; Affiq, Muhamad; Shim, Chang Hoon; Ishidai, Hiroshi; Hattori, Reiji.

In: Biosensors, Vol. 9, No. 3, 87, 09.2019.

Research output: Contribution to journalArticle

Elsamnah, Fahed ; Bilgaiyan, Anubha ; Affiq, Muhamad ; Shim, Chang Hoon ; Ishidai, Hiroshi ; Hattori, Reiji. / Reflectance-based organic pulse meter sensor for wireless monitoring of photoplethysmogram signal. In: Biosensors. 2019 ; Vol. 9, No. 3.
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