Facile fabrication of silver-nanowire-based chips using dry-film photoresist for wearable optical detectionopen accessFacile fabrication of silver‑nanowire‑based chips using dry‑flm photoresist for wearable optical detection
- Authors
- Amicucci, Chiara; Ha, Heebo; Matteini, Paolo; Hwang, Byungil
- Issue Date
- Jun-2022
- Publisher
- SPRINGER
- Keywords
- Silver nanowires; Patterning; Dry film photoresist; Sensor; Surface-enhanced Raman scattering
- Citation
- FASHION AND TEXTILES, v.9, no.1, pp 1 - 8
- Pages
- 8
- Journal Title
- FASHION AND TEXTILES
- Volume
- 9
- Number
- 1
- Start Page
- 1
- End Page
- 8
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/66969
- DOI
- 10.1186/s40691-022-00297-6
- ISSN
- 2198-0802
2198-0802
- Abstract
- With technological advances in wearable health care monitoring system, there increasing demands for the patterning technology for reliable sensors. Dry-film photoresists (DFRs) have several advantages for the patterning of silver nanowires (AgNWs), including cost-effectiveness, low toxicity of the process, and ease of mass production through a roll-to-roll process. In this study, using DFRs, we achieved the facile fabrication of AgNW-based chips for optical detection of myoglobin (Mb) via surface-enhanced Raman spectroscopy (SERS). Mb is found in accessible biological fluids such as urine and serum, which is a representative protein biomarker for human health monitoring. AgNWs were successfully patterned on polyethylene terephthalate films using DFR to form multiple spots, with a diameter of similar to 500 mu m, that are available for detection. SERS spectra showed that the AgNW chips can efficiently detect myoglobin proteins down to levels of clinical significance. Our results will provide insights for the cost-effective production method of futuristic health care monitoring system.
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