دورية أكاديمية
أعرض في EDS

Nanofibrous Conductive Sensor for Limonene: One-Step Synthesis via Electrospinning and Molecular Imprinting.

التفاصيل البيبلوغرافية
العنوان: Nanofibrous Conductive Sensor for Limonene: One-Step Synthesis via Electrospinning and Molecular Imprinting.
المؤلفون: Macagnano A; Institute of Atmospheric Pollution Research (IIA)-CNR, Montelibretti, 00010 Rome, Italy., Molinari FN; Institute of Atmospheric Pollution Research (IIA)-CNR, Montelibretti, 00010 Rome, Italy.; National Institute of Industrial Technology (INTI), Buenos Aires B1650WAB, Argentina., Papa P; Institute of Atmospheric Pollution Research (IIA)-CNR, Montelibretti, 00010 Rome, Italy., Mancini T; Department of Physics, Sapienza University of Rome, 00185 Rome, Italy., Lupi S; Department of Physics, Sapienza University of Rome, 00185 Rome, Italy., D'Arco A; Department of Physics, Sapienza University of Rome, 00185 Rome, Italy., Taddei AR; High Equipment Centre, Electron Microscopy Section, University of Tuscia, University Square, Building D, 01100 Viterbo, Italy., Serrecchia S; Institute of Atmospheric Pollution Research (IIA)-CNR, Montelibretti, 00010 Rome, Italy., De Cesare F; Institute of Atmospheric Pollution Research (IIA)-CNR, Montelibretti, 00010 Rome, Italy.; Department for Innovation in Biological, Agrofood and Forest Systems (DIBAF), University of Tuscia, 01100 Viterbo, Italy.
المصدر: Nanomaterials (Basel, Switzerland) [Nanomaterials (Basel)] 2024 Jun 29; Vol. 14 (13). Date of Electronic Publication: 2024 Jun 29.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101610216 Publication Model: Electronic Cited Medium: Print ISSN: 2079-4991 (Print) Linking ISSN: 20794991 NLM ISO Abbreviation: Nanomaterials (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI AG, [2011]-
مستخلص: Detecting volatile organic compounds (VOCs) emitted from different plant species and their organs can provide valuable information about plant health and environmental factors that affect them. For example, limonene emission can be a biomarker to monitor plant health and detect stress. Traditional methods for VOC detection encounter challenges, prompting the proposal of novel approaches. In this study, we proposed integrating electrospinning, molecular imprinting, and conductive nanofibers to fabricate limonene sensors. In detail, polyvinylpyrrolidone (PVP) and polyacrylic acid (PAA) served here as fiber and cavity formers, respectively, with multiwalled carbon nanotubes (MWCNT) enhancing conductivity. We developed one-step monolithic molecularly imprinted fibers, where S(-)-limonene was the target molecule, using an electrospinning technique. The functional cavities were fixed using the UV curing method, followed by a target molecule washing. This procedure enabled the creation of recognition sites for limonene within the nanofiber matrix, enhancing sensor performance and streamlining manufacturing. Humidity was crucial for sensor working, with optimal conditions at about 50% RH. The sensors rapidly responded to S(-)-limonene, reaching a plateau within 200 s. Enhancing fiber density improved sensor performance, resulting in a lower limit of detection (LOD) of 137 ppb. However, excessive fiber density decreased accessibility to active sites, thus reducing sensitivity. Remarkably, the thinnest mat on the fibrous sensors created provided the highest selectivity to limonene (Selectivity Index: 72%) compared with other VOCs, such as EtOH (used as a solvent in nanofiber development), aromatic compounds (toluene), and two other monoterpenes (α-pinene and linalool) with similar structures. These findings underscored the potential of the proposed integrated approach for selective VOC detection in applications such as precision agriculture and environmental monitoring.
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معلومات مُعتمدة: T0002E0001 POR FESR Lazio 2014-2020 - "MOSSA" Project
فهرسة مساهمة: Keywords: BVOCs; PVP-PAA-MWCNT composite sensor; electrospinning; environmental VOCs monitoring; limonene selective detection; molecular imprinting polymer-MIP; molecularly imprinted nanofibers-MINF; precision agriculture; terpenes
تواريخ الأحداث: Date Created: 20240713 Latest Revision: 20240715
رمز التحديث: 20240715
مُعرف محوري في PubMed: PMC11243275
DOI: 10.3390/nano14131123
PMID: 38998727
قاعدة البيانات: MEDLINE
الوصف
تدمد:2079-4991
DOI:10.3390/nano14131123