&lt;title&gt;Copper sensor system for unattended marine operations II: development of a polymer sensor and field tests&lt;/title&gt;

Lamontagne, R. A.; Foerster, John W.

doi:10.1117/12.371284

Cited by 1 publication

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This resolution is dependent on the light collection efficiency and the concentration of dye in the strip. The relationship between the remission function and the measured reflectance is not linear, equation (7); therefore a higher reflectance would render a higher resolution. Placing the collecting fibre closer to the strip could increase the measured reflectance.…”

Section: Characteristics Of the Measurementsmentioning

confidence: 99%

“…Adding a chemical component to the concentration step will increase the specificity and detection of the analyte of interest. A colorimetric reagent or complexing agent could be imbedded in a support matrix, such as a polymeric material or sol-gel material, and used with absorption or reflection spectroscopy [4][5][6][7][8][9][10][11][12]. The combination of the preconcentration and the colorimetric detection make for an effective sensor [13,14].…”

Section: Introductionmentioning

confidence: 99%

“…The focus of this work has been on the sensor design for in situ measurements, and therefore commercially available strips for copper detection were used in the feasibility study. The development of analyte-sensitive strips has been the focus of many works [4][5][6][7][8][9][10][11][12]. The following sections will look at the design of the sensor, the interpretation strategy, and the factors affecting the measurement such as flow and the choice of reference for the reflection measurements.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Development of a mobile sensing system forin situwater analysis based on solid-phase extraction–reflection spectroscopy

Janowiak¹,

Cardenas-Valencia²,

Hall³

et al. 2005

Meas. Sci. Technol.

View full text Add to dashboard Cite

Methods for real-time in situ analysis are needed for the monitoring and detection of pollutants and nutrients in water bodies. In situ instruments reduce the analysis time and decrease the chance of contamination or altering of the sample if taken to the laboratory. For this purpose, a mobile total analysis system is being developed for real-time environmental monitoring. The sensing platform, based on either an autonomous underwater vehicle or remotely operated vehicle, consists of an integrated flow-through channel with a chemically sensitive strip on one side of the channel and an optoelectronic detector opposite the strip. The strip contains an analyte-specific reagent that changes colour upon reaction with the analyte of interest introduced through the flow channel. In determining the feasibility of the design, the detection of copper ions was used as the case study. The interpretation strategy, referencing and calibration from the lab experiments including the effects of flow are shown.

show abstract

Section: Characteristics Of the Measurementsmentioning

confidence: 99%