Wearable and Flexible Humidity Sensor Integrated to Disposable Diapers for Wetness Monitoring and Urinary Incontinence

Meltem Tekcin*, Ersin Sayar, Mehmet Kursat Yalcin, Senem Kursun Bahadir*

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15 Atıf (Scopus)

Özet

Disposable diapers are widely used by individuals with urinary incontinence. Diapers should be checked frequently for elderly, disabled, and hospital patients. Wet diapers that are not changed properly can cause health problems. The importance of electronic devices that provide warning in case of wetness is increasing in health monitoring. A disposable and wearable printed humidity sensor was designed and fabricated to detect wetness. The sensor was printed on polyamide-based taffeta label fabric by the inkjet printing method using specifically formulated PEDOT:PSS-based conductive polymer ink. The sensor sensitivity was tested under different relative humidity levels inside a controlled chamber. The resistance of the sensor decreased from 17.05 ± 0.05 MΩ to 2.09 ± 0.06 MΩ as the relative humidity increased from 35 to 100%, while the moisture value of the fabric increased from 4.8 to 23%. The response and recovery times were 42 s and 82 s. This sensor was integrated into the adult diaper to evaluate wetness. The sensor resistance change comparing to the dry state resistance (15.52 MΩ) was determined as 3.81 MΩ to 13.62 MΩ by dripping 0.1 mL to 100 mL salty water on the diaper. Due to its flexible structure and low-cost printability onto fabric, the wearable printed humidity sensor has the potential to be used as a disposable sensor for healthcare applications, particularly for urinary incontinence and capturing wetness in diapers.

Orijinal dilİngilizce
Makale numarası1025
DergiElectronics (Switzerland)
Hacim11
Basın numarası7
DOI'lar
Yayın durumuYayınlandı - 1 Nis 2022

Bibliyografik not

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

Finansman

Funding: This research was funded by the scientific, and technological research council of Turkey (TUBITAK), grant number 119M976.

FinansörlerFinansör numarası
TUBITAK119M976
scientific, and technological research council of Turkey

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