Nafion®-coated mesoporous Pd film toward remarkably enhanced detection of lactic acid

Daisuke Baba; Asep Sugih Nugraha; Muhammad Iqbal; Jiang Bo; Cuiling Li; Abdulmohsen Ali Alshehri; Jungmok You; Victor Malgras; Yusuke Yamachi; Toru Asahi

doi:10.1039/C7RA13026K

Nafion®-coated mesoporous Pd film toward remarkably enhanced detection of lactic acid†

Daisuke Baba,^ab Asep Sugih Nugraha,^ab Muhammad Iqbal,^ab Jiang Bo,^a Cuiling Li,^a Abdulmohsen Ali Alshehri,^c Jungmok You,^d Victor Malgras,

*^a Yusuke Yamachi

*^de and Toru Asahi*^ab

Author affiliations

* Corresponding authors

^a International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
E-mail: MALGRAS.Victor@nims.go.jp, tasahi@waseda.jp

^b Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan

^c Department of Chemistry, King Abdulaziz University, P. O. Box. 80203, Jeddah 21589, Saudi Arabia

^d Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheunggu, Yongin-si, Gyeonggi-do 446-701, South Korea

^e School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
E-mail: y.yamauchi@uq.eudu.au

Abstract

Mesoporous metal films can detect biomarkers with high sensitivity. Further coating the mesoporous metal with polymers enhances sensing selectivity by favoring specific biomarkers against other interferents. In the present study, we report the fabrication of a Nafion®-coated mesoporous Pd film to filtrate interferents present in sweat during non-invasive biosensing. By using a Nafion®-coated mesoporous Pd film, lactic acid, a metabolite present in sweat, can be successfully detected with high sensitivity.

RSC Advances

Nafion®-coated mesoporous Pd film toward remarkably enhanced detection of lactic acid†

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Nafion®-coated mesoporous Pd film toward remarkably enhanced detection of lactic acid

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