MIP-Assisted 3-Hole POF Chip Faced with SPR-POF Sensor for Glyphosate Detection Article Swipe
Giancarla Alberti
,
Stefano Spina
,
Francesco Arcadio
,
Maria Pesavento
,
Letizia De Maria
,
Nunzio Cennamo
,
Luigi Zeni
,
Daniele Merli
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/chemosensors11070414
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/chemosensors11070414
The present study proposes the application of a recently developed optical–chemical sensor system to glyphosate detection. The device probes the refractive index variation in a chip based on a plastic optical fiber (POF) in which three orthogonal micro-holes were created and filled with an acrylic-based molecularly imprinted polymer (MIP). This sensitive chip, connected in series to a gold-coated SPR-POF platform, can modify the surface plasmon resonance (SPR) phenomena by exploiting the multimode characteristic of the POFs. Therefore, the gold film of the SPR-POF platform is not covered by the MIP layer, improving the sensor’s performance because the interaction between the analyte (glyphosate) and the polymer recognition cavities occurs in the core and not in the cladding of the waveguide. Indeed, the sample solution is dropped on the MIP-based chip while a water drop is constantly maintained above the gold surface of the reference SPR-POF platform to excite the surface plasmons, modulated by the MIP interaction with the target analyte. The device is here for the first time applied for glyphosate sensing in water samples. The high sensitivity and selectivity are proven, and tests on real samples highlight the good performances of the developed sensors.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/chemosensors11070414
- https://www.mdpi.com/2227-9040/11/7/414/pdf?version=1690021999
- OA Status
- gold
- Cited By
- 12
- References
- 47
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4385202008
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4385202008Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/chemosensors11070414Digital Object Identifier
- Title
-
MIP-Assisted 3-Hole POF Chip Faced with SPR-POF Sensor for Glyphosate DetectionWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-07-22Full publication date if available
- Authors
-
Giancarla Alberti, Stefano Spina, Francesco Arcadio, Maria Pesavento, Letizia De Maria, Nunzio Cennamo, Luigi Zeni, Daniele MerliList of authors in order
- Landing page
-
https://doi.org/10.3390/chemosensors11070414Publisher landing page
- PDF URL
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https://www.mdpi.com/2227-9040/11/7/414/pdf?version=1690021999Direct link to full text PDF
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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://www.mdpi.com/2227-9040/11/7/414/pdf?version=1690021999Direct OA link when available
- Concepts
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Surface plasmon resonance, Materials science, Cladding (metalworking), Analyte, Optical fiber, Chip, Biosensor, Refractive index, Surface plasmon, Optoelectronics, Polymer, Nanotechnology, Optics, Plasmon, Telecommunications, Computer science, Chromatography, Composite material, Chemistry, Physics, NanoparticleTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
12Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 8, 2023: 1Per-year citation counts (last 5 years)
- References (count)
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47Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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