Application of an Optical Fiber Sensor on the Determination of Sucrose and Ethanol Concentrations in Process Streams and Effluents of Sugarcane Bioethanol Industry

Fujiwara, Eric; Ono, Eduardo Akifumi; Suzuki, Carlos K.

doi:10.1109/jsen.2012.2204246

Cited by 21 publications

(15 citation statements)

References 19 publications

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“…It is known that the addition of sugars (such as sucrose) enhances the refractive index of water and then modulates the optical signal (Equation (1)), but it was not possible to verify significant changes in the power reflectance R. This can be explained by the low concentrations of dextrose on the progressively diluted YPD medium, once the mass fractions of sucrose lower than 10% are not expected to lead to significant reductions on the reflected intensity [20].…”

Section: Resultsmentioning

confidence: 99%

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Perfusion Microfermentor Integrated into a Fiber Optic Quasi-Elastic Light Scattering Sensor for Fast Screening of Microbial Growth Parameters

Soares

Vit

Suzuki

et al. 2019

Sensors

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This research presents a microfermentor integrated into an optical fiber sensor based on quasi-elastic light scattering (QELS) to monitor and swiftly identify cellular growth kinetic parameters. The system uses a 1310 nm laser light that is guided through single-mode silica optical fibers to the interior of perfusion chambers, which are separated by polycarbonate membranes (470 nm pores) from microchannels, where a culture medium flows in a constant concentration. The system contains four layers, a superior and an inferior layer made of glass, and two intermediate poly(dimethylsiloxane) layers that contain the microchannels and the perfusion chambers, forming a reversible microfluidic device that requires only the sealing of the fibers to the inferior glass cover. The QELS autocorrelation decay rates of the optical signals were correlated to the cells counting in a microscope, and the application of this microsystem to the monitoring of alcoholic fermentation of Saccharomyces cerevisiae resulted in the kinetic parameters of KM = 4.1 g/L and μm = 0.49 h−1. These results agree with both the data reported in the literature and with the control batch test, showing that it is a reliable and efficient biological monitoring system.

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Section: Resultsmentioning

confidence: 99%

“…Then, a coupler guides the reflected signal to a photodetector that collects the intensity data at a 1 kHz sampling rate. Finally, a computer routine programmed in MATLAB (MathWorks) processes the data and converts it into useful information about the cell environment [20].…”

Section: Methodsmentioning

confidence: 99%

Perfusion Microfermentor Integrated into a Fiber Optic Quasi-Elastic Light Scattering Sensor for Fast Screening of Microbial Growth Parameters

Soares

Vit

Suzuki

et al. 2019

Sensors

Self Cite

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“…Over recent years, LEDs have been employed worldwide as greenhouse light sources, because of the advantage of small volume, light weight, long lifetime, low power, high efficiency, low lose beauty and so on. As a cold light source, it is applicable to short range lighting and is designed as a tunable device for R/B and R/FR ratios for the sake of plant growth [4].…”

Section: Literature Reviewmentioning

confidence: 99%

Agricultural monitoring system based on ant colony algorithm with centre data aggregation

2014

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“…Optical fiber tip sensor has attracted attention in sensing field as it only requires a single step process to fabricate the sensor; by cleaving the fiber to produce a flat end sensing surface [13,14]. Recently, optical fiber tip sensor has been utilized for measuring sucrose and ethanol level [15], glycerol [14], benzene, methanol, acetone concentration [16] and temperature level using sodium chloride solution [17]. Based on these references, we determined that it is feasible to utilize the optical fiber tip sensor for glucose detection.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of a single mode optical fiber tip sensor for glucose detection

Razali

Ja'afar

Ambran

2020

IJEECS

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<p>Glucose must be carefully regulated to ensure its safety and quality. Nowadays, chemists often face difficulty to measure glucose concentrations as the current methods for the analysis are expensive and require complex procedures which have reduced the interest among chemists to use these techniques. This study evaluated the performance of a single mode optical fiber tip sensor for glucose detection. The sensing mechanism mainly depends on the Fresnel’s reflection that occurs at the flat fiber tip region while the sensor performance was evaluated based on its sensitivity and linearity. The sensor was tested in glucose solution at different concentration range; high range (0% - 14%), medium range (0% - 1.4%) and low range (0% - 0.14%). The sensor showed a good performance when sensing the glucose solution at high and medium concentration range with strong linearity of more than 90% and an average sensitivity of 0.0979 dBm/% and 0.1019 dBm/%, respectively. However, the low concentration range showed no significant changes during sensing. Based on the findings obtained in this study, the optical fiber tip sensor has the potential to be utilized for glucose detection and suitable for high and medium concentration range measurement.</p>

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Application of an Optical Fiber Sensor on the Determination of Sucrose and Ethanol Concentrations in Process Streams and Effluents of Sugarcane Bioethanol Industry

Cited by 21 publications

References 19 publications

Perfusion Microfermentor Integrated into a Fiber Optic Quasi-Elastic Light Scattering Sensor for Fast Screening of Microbial Growth Parameters

Perfusion Microfermentor Integrated into a Fiber Optic Quasi-Elastic Light Scattering Sensor for Fast Screening of Microbial Growth Parameters

Agricultural monitoring system based on ant colony algorithm with centre data aggregation

Performance evaluation of a single mode optical fiber tip sensor for glucose detection

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