Lignin-Based Nanostructured Sensor for Selective Detection of Volatile Amines at Trace Levels Article Swipe
Paolo Papa
,
Giuseppina Luciani
,
Rossella Grappa
,
Virginia Venezia
,
Ettore Guerriero
,
Simone Serrecchia
,
Fabrizio De Cesare
,
Emiliano Zampetti
,
Anna Rita Taddei
,
Antonella Macagnano
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/s25113536
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/s25113536
A nanostructured sensing platform was developed by integrating gold-decorated lignin nanoparticles (AuLNPs) into electrospun polylactic acid (PLA) fibre mats. The composite material combines the high surface-to-volume ratio of PLA nanofibres with the chemical functionality of lignin—a polyphenolic biopolymer rich in hydroxyl and aromatic groups—enabling selective interactions with volatile amines through hydrogen bonding and Van der Waals forces. The embedded gold nanoparticles (AuNPs) further enhance the sensor’s electrical conductivity and provide catalytic sites for improved analyte interaction. The sensor exhibited selective adsorption of amine vapours, showing particularly strong affinity for dimethylamine (DMA), with a limit of detection (LOD) of approximately 440 ppb. Relative humidity (RH) was found to significantly influence sensor performance by facilitating amine protonation, thus promoting interaction with the sensing surface. The developed sensor demonstrated excellent selectivity, sensitivity and reproducibility, highlighting its potential for real-time detection of amines in environmental monitoring, industrial safety and healthcare diagnostics.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/s25113536
- OA Status
- gold
- Cited By
- 1
- References
- 68
- Related Works
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- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4411034472Canonical identifier for this work in OpenAlex
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https://doi.org/10.3390/s25113536Digital Object Identifier
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Lignin-Based Nanostructured Sensor for Selective Detection of Volatile Amines at Trace LevelsWork title
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articleOpenAlex work type
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-06-04Full publication date if available
- Authors
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Paolo Papa, Giuseppina Luciani, Rossella Grappa, Virginia Venezia, Ettore Guerriero, Simone Serrecchia, Fabrizio De Cesare, Emiliano Zampetti, Anna Rita Taddei, Antonella MacagnanoList of authors in order
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https://doi.org/10.3390/s25113536Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.3390/s25113536Direct OA link when available
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Lignin, TRACE (psycholinguistics), Nanotechnology, Environmental chemistry, Materials science, Chemistry, Organic chemistry, Linguistics, PhilosophyTop concepts (fields/topics) attached by OpenAlex
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1Total citation count in OpenAlex
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2025: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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