Edward Luy
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View article: An Automated Microfluidic Analyzer for <i>In Situ</i> Monitoring of Total Alkalinity
An Automated Microfluidic Analyzer for <i>In Situ</i> Monitoring of Total Alkalinity Open
We have designed, built, tested, and deployed an autonomous in situ analyzer for seawater total alkalinity. Such analyzers are required to understand the ocean carbon cycle, including anthropogenic carbon dioxide (CO2) up…
View article: Two chemistries on a single lab-on-chip: Nitrate and orthophosphate sensing underwater with inlaid microfluidics
Two chemistries on a single lab-on-chip: Nitrate and orthophosphate sensing underwater with inlaid microfluidics Open
Autonomous in situ sensors are required to monitor high-frequency nutrient fluctuations in marine environments on a mass-scale. We present a submersible, dual-chemistry sensor that performs multiple colourimetric assays simultaneously on a…
View article: A submersible phosphate analyzer for marine environments based on inlaid microfluidics
A submersible phosphate analyzer for marine environments based on inlaid microfluidics Open
In situ sensors are needed to further our understanding of phosphate flux dynamics in marine environments during short term events such as tidal cycles, algae blooms and runoff periods.
View article: Simultaneous Absorbance and Fluorescence Measurements Using an Inlaid Microfluidic Approach
Simultaneous Absorbance and Fluorescence Measurements Using an Inlaid Microfluidic Approach Open
A novel microfluidic optical cell is presented that enables simultaneous measurement of both light absorbance and fluorescence on microlitre volumes of fluid. The chip design is based on an inlaid fabrication technique using clear and opaq…
View article: An Energy Efficient Thermally Regulated Optical Spectroscopy Cell for Lab-on-Chip Devices: Applied to Nitrate Detection
An Energy Efficient Thermally Regulated Optical Spectroscopy Cell for Lab-on-Chip Devices: Applied to Nitrate Detection Open
Reagent-based colorimetric analyzers often heat the fluid under analysis for improved reaction kinetics, whilst also aiming to minimize energy use per measurement. Here, a novel method of conserving heat energy on such microfluidic systems…
View article: Inlaid microfluidic optics: absorbance cells in clear devices applied to nitrite and phosphate detection
Inlaid microfluidic optics: absorbance cells in clear devices applied to nitrite and phosphate detection Open
A novel type of microfluidic absorbance cell is presented here that inlays black poly(methyl methacrylate) (PMMA) into a clear PMMA substrate to realize an isolated optical channel with microlitre volumes. Optical measurements are frequent…