Publications by authors named "Jonathan R Dion"
Article Synopsis
- Monitoring the composition of commercial beverages is essential for maintaining quality, and on-line measurements allow for real-time optimization.
- A new method using ultrasound frequency analysis has been developed to measure ethanol and carbohydrate concentrations in liquid mixtures based on the distortion of ultrasound waves caused by the chemical composition.
- Multilinear regression achieved high accuracy in estimating these concentrations in various beverages, with potential for reduced error and no need for sample extraction.
Article Synopsis
- Controlling mixture composition is crucial for quality in many applications, requiring quick on-site measurements for real-time optimization.
- A new method using ultrasound technology measures the volume fraction of liquids in complex mixtures by analyzing distortion in ultrasound waveforms, which relate to chemical bonding.
- The technique was tested on mixtures of water, methanol, and ethanol, achieving high accuracy (correlation coefficients above 0.98) in two-component mixtures and decent accuracy in three-component mixtures, making it promising for process monitoring without needing sample prep.
Analyte quantification in samples with extensive matrix effects can be challenging using conventional analytical techniques. Ultrasound has been shown to easily penetrate samples that can be difficult to measure optically or electrochemically, though it provides little chemical information. Recent ultrasound contrast agents provide highly localized contrast within a sample based on concentration.
View Article and Find Full Text PDFAnalyte quantification in highly scattering media such as tissue, blood, and other biological fluids is challenging using conventional spectroscopic methods. Ultrasound easily penetrates these opaque samples, yet currently provides little chemical information. We have developed a general approach for creating hydrogel biosensors based on antibody-linked cellulose polymers.
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