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Novel Corrugated Long Period Grating Surface Balloon-Shaped Heterocore-Structured Plastic Optical Fibre Sensor for Microalgal Bioethanol Production.

التفاصيل البيبلوغرافية
العنوان: Novel Corrugated Long Period Grating Surface Balloon-Shaped Heterocore-Structured Plastic Optical Fibre Sensor for Microalgal Bioethanol Production.
المؤلفون: Memon SF; Optical Fibre Sensors Research Centre, University of Limerick, V94 T9PX Limerick, Ireland.; Department of Electronic and Computer Engineering, University of Limerick, V94 T9PX Limerick, Ireland., Wang R; Optical Fibre Sensors Research Centre, University of Limerick, V94 T9PX Limerick, Ireland.; Key Laboratory of In-Fiber Integrated Optics of Ministry of Education, College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, China., Strunz B; Department of Electronic and Computer Engineering, University of Limerick, V94 T9PX Limerick, Ireland., Chowdhry BS; NCRA-CMS Lab, IICT, Mehran University of Engineering and Technology, Jamshoro 76062, Sindh, Pakistan., Pembroke JT; Department of Chemical Sciences and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland., Lewis E; Optical Fibre Sensors Research Centre, University of Limerick, V94 T9PX Limerick, Ireland.; Department of Electronic and Computer Engineering, University of Limerick, V94 T9PX Limerick, Ireland.
المصدر: Sensors (Basel, Switzerland) [Sensors (Basel)] 2023 Feb 02; Vol. 23 (3). Date of Electronic Publication: 2023 Feb 02.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101204366 Publication Model: Electronic Cited Medium: Internet ISSN: 1424-8220 (Electronic) Linking ISSN: 14248220 NLM ISO Abbreviation: Sensors (Basel) Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, c2000-
مستخلص: A novel long period grating (LPG) inscribed balloon-shaped heterocore-structured plastic optical fibre (POF) sensor is described and experimentally demonstrated for real-time measurement of the ultra-low concentrations of ethanol in microalgal bioethanol production applications. The heterocore structure is established by coupling a 250 μm core diameter POF between two 1000 μm diameter POFs, thus representing a large core-small core-large core configuration. Before coupling as a heterocore structure, the sensing region or small core fibre (SCF; i.e., 250 μm POF) is modified by polishing, LPG inscription, and macro bending into a balloon shape to enhance the sensitivity of the sensor. The sensor was characterized for ethanol-water solutions in the ethanol concentration ranges of 20 to 80 %v/v , 1 to 10 %v/v , 0.1 to 1 %v/v , and 0.00633 to 0.0633 %v/v demonstrating a maximum sensitivity of 3 × 10 6 %/RIU, a resolution of 7.9 × 10 -6 RIU, and a limit of detection (LOD) of 9.7 × 10 -6 RIU. The experimental results are included for the intended application of bioethanol production using microalgae. The characterization was performed in the ultra-low-level ethanol concentration range, i.e., 0.00633 to 0.03165 %v/v , that is present in real culturing and production conditions, e.g., ethanol-producing blue-green microalgae mixtures. The sensor demonstrated a maximum sensitivity of 210,632.8 %T/ %v/v (or 5 × 10 6 %/RIU as referenced from the RI values of ethanol-water solutions), resolution of 2 × 10 -4 %v/v (or 9.4 × 10 -6 RIU), and LOD of 4.9 × 10 -4 %v/v (or 2.3 × 10 -5 RIU). Additionally, the response and recovery times of the sensor were investigated in the case of measurement in the air and the ethanol-microalgae mixtures. The experimentally verified, extremely high sensitivity and resolution and very low LOD corresponding to the initial rate of bioethanol production using microalgae of this sensor design, combined with ease of fabrication, low cost, and wide measurement range, makes it a promising candidate to be incorporated into the bioethanol production industry as a real-time sensing solution as well as in other ethanol sensing and/or RI sensing applications.
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معلومات مُعتمدة: Doctoral Scholarship European Union Erasmus Mundus INTACT Program; Postgraduate Research Residential Scholarship Plassey Campus Centre, University of Limerick, Ireland; PhD Funding Department of Electronic and Computer Engineering, University of Limerick, Ireland; SFI/12/RC/2302_P2 Ireland SFI_ Science Foundation Ireland; University of Limerick's programme for Covid-19 Related Research Costed Extensions Higher Education Authority and the Government of Ireland Department of Further and Higher Education, Research, Innovation, and Science
فهرسة مساهمة: Keywords: bioethanol production using microalgae; ethanol sensor; heterocore structure; long period grating; macro bending; plastic optical fibre
تواريخ الأحداث: Date Created: 20230211 Date Completed: 20230213 Latest Revision: 20230213
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC9921262
DOI: 10.3390/s23031644
PMID: 36772687
قاعدة البيانات: MEDLINE
الوصف
تدمد:1424-8220
DOI:10.3390/s23031644