Reference Materials

Quevauviller, Philippe; Dietz, Christian; Cmara, Carmen

doi:10.1002/9780470058725.ch6

Cited by 4 publications

(4 citation statements)

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“…Nitrogen (N) content was determined by the Kjeldahl (1883) method. The spectrophotometry and the structural analysis of organic complexes were determined by the absorption spectra (Quevauville et al, 2006). The microbiological study was based on the seeding bacteria technique in a specific growing medium (Petri dish).…”

Section: Methodsmentioning

confidence: 99%

Modern and Holocene microbial mats and associated microbially induced sedimentary structures (MISS) on the southeastern coast of Tunisia (Mediterranean Sea)

2020

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On the southeastern Tunisian coastline, very diverse living microbial mats colonize the lower supratidal and intertidal zones, and locally may extend into the upper infratidal zone. The interaction between the benthic cyanobacteria and their siliciclastic substratum leads to the development of several types of microbially induced sedimentary structures (MISS). The mapping of the microbial mats has allowed the identification of the types of MISS that characterize the different segments of the coastal environment. The modern microbial mats have been compared with those recorded at the top of the Holocene deposits, which are composed of biodegraded microbial black mats alternating with white laminae made of clastic and evaporitic sediments, indicative of very high frequency cycles of flood and drought. A hypothetic profile showing their occurrences along the different areas bordering the coastline is proposed as a guide for the reconstruction of the ancient depositional environment. The roles of tidal dynamics, storms, and climate in controlling their genesis and spatial distribution, are discussed and highlighted. The modern MISS of southeastern Tunisia are compared with their equivalents that are well documented through the different geological eras.

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Section: Methodsmentioning

confidence: 99%

Modern and Holocene microbial mats and associated microbially induced sedimentary structures (MISS) on the southeastern coast of Tunisia (Mediterranean Sea)

2020

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“…Additionally, increasing Quality Management has caused the comparability and traceability of analytical measurements to get possible even for trace and ultra-trace analyses. Manufacturers of certified reference materials (CRMs) have started to market CRMs for speciation analysis [12,13]. Research groups have established the state of the art in speciation analysis and discussed shortcomings and artifacts during intercomparison studies and workshops.…”

Section: Analytical Chemistrymentioning

confidence: 99%

Introduction

Büscher

Sperling

2005

Handbook of Elemental Speciation II – Species in the Environment, Food, Medicine and Occupational Health

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“…1 Wastewater quality monitoring is a public health tool essential for effective pandemic management. 2 The objective of wastewater quality monitoring is to obtain quantitative information on the physical and chemical characteristics such as color, refractive index, acidity, and salinity, to mention a few. 3 Domestic water is another of the leading causes of wastewater pollution.…”

Section: Introductionmentioning

confidence: 99%

Plasmonic sensor for house wastewater monitoring

Sánchez-Guerrero,

Viera González,

Martinez Guerra

et al. 2023

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI

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Wastewater quality monitoring is essential as an effective pandemic management tool. Domestic water is one of the leading causes of wastewater pollution. Domestic water originates from urban centers and contains substances from human activity consisting of organic matter such as food remains, feces, oils, detergents, and soaps. Different ways of sensing are used to maintain the water quality, like pH, conductivity, and turbidity sensors. Alternative methods are optical sensors because these offer great potential for wastewater monitoring, allowing massive, easy and low-cost acquisitions of a wide range of measures in real-time, at any flow conditions, and with high spatial resolution. Plasmonic sensors are optical sensors used for detection, which could realize rapid recognition, real-time analysis, and sensitive and selecting sensing. These devices exploit the interaction of light with matter using the SPR as a method based on the optoelectronic phenomenon. When light hits a metal surface (typically a gold surface) at a certain angle, part of the light energy pairs through the metal coating with the electrons in the metal surface layer, which then move due to excitation, called surface plasmon resonance. We use the Kretschmann configuration and the matrix transfer method to analyze the performance numerically to achieve the optime parameters of design for the sensor’s performance. In this work, we design and build a plasmonic sensor for house wastewater monitoring by tracking contaminants along a continuous flow of artisanal water.

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Reference Materials

Cited by 4 publications

References 0 publications

Modern and Holocene microbial mats and associated microbially induced sedimentary structures (MISS) on the southeastern coast of Tunisia (Mediterranean Sea)

Modern and Holocene microbial mats and associated microbially induced sedimentary structures (MISS) on the southeastern coast of Tunisia (Mediterranean Sea)

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Plasmonic sensor for house wastewater monitoring

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