Journal ArticleDOI
Plastic optical fiber-based biosensor platform for rapid cell detection.
Gisele Wandermur,Domingos M. C. Rodrigues,Regina Celia da Silva Barros Allil,Vanessa M. Queiroz,Raquel S. Peixoto,Marcelo Martins Werneck,Marco Antônio Lemos Miguel +6 more
TLDR
It has been shown that the system is capable of providing positive response to the bacterial concentration in less than 10 min, demonstrating good possibilities to be commercially developed as a portable field sensor.About:
This article is published in Biosensors and Bioelectronics.The article was published on 2014-04-15. It has received 67 citations till now. The article focuses on the topics: Plastic optical fiber & Optical fiber.read more
Citations
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Journal ArticleDOI
Whole cell imprinting based Escherichia coli sensors: A study for SPR and QCM
TL;DR: A new label-free rapid and selective detection method was developed via micro contact imprinting of whole cell on both optical and mass sensitive devices via whole cell imprinting for rapid detection of bacteria from water sources.
Journal ArticleDOI
Whole cell based microcontact imprinted capacitive biosensor for the detection of Escherichia coli.
TL;DR: A label-free, selective and sensitive microcontact imprinted capacitive biosensor was developed for the detection of Escherichia coli and was able to distinguish E. coli when present together with competing bacterial strains which are known to have similar shape.
Journal ArticleDOI
Development of LSPR based U-bent plastic optical fiber sensors
A. Gowri,V. V. R. Sai +1 more
TL;DR: In this article, a U-bent plastic optical fiber (POF) probe with high sensitivity and its applications to refractive index (RI) sensing was presented, which was fabricated by a controlled decladding procedure to remove the fluorinated polymer without damaging the poly methyl methacrylate (PMMA) core and a simple and scalable fabrication technique to obtain POF Ubent probes of desired geometry.
Journal ArticleDOI
Aptamer-functionalized localized surface plasmon resonance sensor for the multiplexed detection of different bacterial species.
TL;DR: The label-free bacteria sensor developed by combining LSPR and aptamers will be useful for diagnosing various infectious diseases through a single convenient assay.
Journal ArticleDOI
Surface Plasmon Resonance and Bending Loss-Based U-Shaped Plastic Optical Fiber Biosensors.
Ariadny da S. Arcas,Fabio Dutra,Fabio Dutra,Regina Celia da Silva Barros Allil,Marcelo Martins Werneck +4 more
TL;DR: The gold-coated U-shaped plastic optical fiber biosensor for E. coli bacteria detection showed a detection limit of 1.5 × 103 colony-forming units (CFU)/mL, demonstrating that the technology can be a portable, fast response and low-cost alternative to conventional methodologies for quality analysis of water and food.
References
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Journal ArticleDOI
Sensitive optical biosensors for unlabeled targets: a review.
TL;DR: This article reviews the recent progress in optical biosensors that use the label-free detection protocol, in which biomolecules are unlabeled or unmodified, and are detected in their natural forms, and focuses on the optical biosENSors that utilize the refractive index change as the sensing transduction signal.
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Pathogen detection: a perspective of traditional methods and biosensors.
TL;DR: This review not only offers an overview of trends in the area of pathogen detection but it also describes main techniques, traditional methods, and recent developments in the field of pathogenic bacteria biosensors.
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Low cost sensors based on SPR in a plastic optical fiber for biosensor implementation.
TL;DR: The fabrication and testing of two configurations of optical sensor systems based on Surface Plasmon Resonance at the interface of a liquid sample and sandwiched structures realized starting from the exposed core of a Plastic Optical Fiber are reported.
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Functionalization of poly(methyl methacrylate) (PMMA) as a substrate for DNA microarrays
TL;DR: This new strategy to modify PMMA provides a robust procedure to immobilize DNA, which is a very useful substrate for fabricating single use diagnostics devices with integrated functions, like sample preparation, treatment and detection using microfabrication and microelectronic techniques.
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Optical fibre gratings as tools for chemical and biochemical sensing.
Francesco Baldini,Massimo Brenci,Francesco Chiavaioli,Francesco Chiavaioli,Ambra Giannetti,Cosimo Trono +5 more
TL;DR: The fundamentals of the different types of optical fibre gratings are described and the performances of the chemical and biochemical sensors based on this approach are reviewed, with a look at new perspectives for their utilization in the field.