Mobile mass spectrometry for water quality monitoring of organic species present in nuclear waste ponds

Brkić, Boris; Giannoukos, Stamatios; Taylor, Stephen; Lee, Darren F.

doi:10.1039/c8ay02537a

Cited by 6 publications

(6 citation statements)

References 8 publications

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“…Therefore, the measurement of ammonia nitrogen, phosphate, and chloride content in water is very important. At present, the methods for the determination of the properties and contents of organic matter in water are ultraviolet visible spectroscopy [14], mobile mass spectrometry [15], linear regression and artificial neural network [16], the sensor method [17], the trace element tracing method [18,19] and the potentiometric titration method [20]. Among them, ultraviolet visible spectroscopy, mobile mass spectrometry, and the sensor method need professional analytical instruments that come with high measurement cost; the linear regression and artificial neural network method needs a large number of training data to ensure the accuracy of the measurement, and the measurement efficiency is low; the trace element tracing method and potentiometric titration method have low operability and need professional technicians to operate in water quality detection.…”

Section: Introductionmentioning

confidence: 99%

Chromaticity Measurement Based on the Image Method and Its Application in Water Quality Detection

Cao

Zhu

Zhao

et al. 2019

Water

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In order to measure the chromaticity of water and the content of dissolved matter more accurately, effectively, and cheaply, a chromaticity measurement system based on the image method was proposed and applied. The measurement system used the designed acquisition device and image processing software to obtain the Red-Green-Blue (RGB) values of the image and converted the color image from RGB color space to Hue-Saturation-Intensity (HSI) space to separate the chromaticity and brightness. According to the definition of chromaticity, the hue (H), saturation (S) values, and chromaticity of standard chromaticity solution images were fitted by a non-linear surface, and a three-dimensional chromaticity measurement model was established based on the H and S values of water images. For the measurement of a standard chromaticity solution, the proposed method has higher accuracy than spectrophotometry. For actual water sample measurements, there is no significant difference between the results of this method and the spectrophotometer method, which verified the validity of the method. In addition, the system was tried to measure the concentration of ammonia nitrogen, phosphate, and chloride in water with satisfactory results.

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Section: Introductionmentioning

confidence: 99%

Chromaticity Measurement Based on the Image Method and Its Application in Water Quality Detection

Cao

Zhu

Zhao

et al. 2019

Water

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“…Physically, the grape volatile molecules are being adsorbed onto the surface of the membrane and then after permeation, desorbed into the MS chamber. The PDMS membrane allowed for the fast diffusion of non-polar VOCs from the biochemical activity of A.carbonarius and the near-real time detection using a triple filter quadrupole mass analyser (QMS) 72 . Each full MIMS scan ( m/z 1–200 amu) takes approximately 3 min which effectively monitors the VOC profile in near real time.…”

Section: Methodsmentioning

confidence: 99%

Analysis of volatile emissions from grape berries infected with Aspergillus carbonarius using hyphenated and portable mass spectrometry

Giannoukos¹,

Giannoukos

Lagogianni

et al. 2020

Sci Rep

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Mycotoxins represent a serious risk for human and animal health. Οchratoxin A (OTA) is a carcinogenic mycotoxin produced by A. carbonarius that constitutes a severe problem for viticulture. In this study, we investigate the development of novel detection and on-line monitoring approaches for the detection of OTA in the field (i.e. out of the chemical laboratory) using advanced molecular sensing. Both stand-alone and hyphenated mass spectrometry (MS) based systems (e.g. Time-of-Flight ToF–MS and gas chromatography GC combined with MS) and compact portable membrane inlet MS (MIMS) have been employed for the first time to detect and monitor volatile emissions of grape berries infected by the fungus Aspergillus carbonarius. In vacuo (electron impact—EI) and ambient ionisation (electrospray ionisation—ESI) techniques were also examined. On-line measurements of the volatile emissions of grape berries, infected by various strains of A. carbonarius with different toxicity levels, were performed resulting in different olfactory chemical profiles with a common core of characteristic mass fragments, which could be eventually used for on-site detection and monitoring allowing consequent improvement in food security.

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“…Mobile MS can provide a range of future opportunities for monitoring. Systems that can operate unattended for extended periods of time (e.g., weeks to months)—maybe even transmitting their data in real time—can benefit in risk environments or whenever long‐term data are required, for example, in the monitoring of organic species in nuclear waste ponds (Brkić et al., 2018). Time series measurements also allow capturing high‐frequency variability that is missed by traditional methods of low‐frequency grab sampling, thus providing novel insights into hydrological and biogeochemical processes (e.g., Rode et al., 2016).…”

Section: Outlook and Future Applicationsmentioning

confidence: 99%

Rapid Advances in Mobile Mass Spectrometry Enhance Tracer Hydrology and Water Management

Popp

Manning

Knapp

2021

Water Resources Research

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Mobile mass spectrometry for water quality monitoring of organic species present in nuclear waste ponds

Abstract: This work uses a portable mass spectrometer (MS) for lab-based water quality monitoring of organic compounds, which are present in highly toxic nuclear waste ponds.

Cited by 6 publications

References 8 publications

Chromaticity Measurement Based on the Image Method and Its Application in Water Quality Detection

Chromaticity Measurement Based on the Image Method and Its Application in Water Quality Detection

Analysis of volatile emissions from grape berries infected with Aspergillus carbonarius using hyphenated and portable mass spectrometry

Rapid Advances in Mobile Mass Spectrometry Enhance Tracer Hydrology and Water Management

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