New optical paper sensor for in situ measurement of hydrogen sulphide in waters and atmospheres

Pla-Tolós, J.; Moliner‐Martínez, Y.; Verdú‐Andrés, J.; Casanova-Cháfer, Juan; Molíns-Legua, C.; Campíns‐Falcó, P.

doi:10.1016/j.talanta.2016.05.013

Cited by 40 publications

(25 citation statements)

References 34 publications

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“…H 2 S can be produced from natural sources such as volcanic eruptions and anaerobic bacterial reduction of sulfur as well as anthropogenic sources such as petroleum extractions, coal mines, natural gas, and biogas processing industries [18,19]. It has low threshold, and humans, having highly developed olfaction, can discern as low as 1 µM of Na 2 S in solution [20].…”

Section: Multifunctional Capacity Of H 2 Smentioning

confidence: 99%

“…These include methylene blue colorimetric assays, fluorescent probes, polarographic sensors, ion-selective electrodes (ISEs), liquid chromatography-mass spectrometry (LC-MS/MS), gas chromatography, and HPLC coupled with UV, fluorescence, or electrochemical detection [15,20]. To monitor the levels of H 2 S in environmental samples, various sensors such as chemical sensors, optical sensors, colorimetric sensors, and more recently paper-based devices are being utilized [19]. In plant cells, H 2 S can be generated through enzymatic as well as non-enzymatic routes and the significance of its metabolism depends upon sub-cellular compartment, plant parts, optimal environmental and stressful conditions involved [15].…”

Section: Multifunctional Capacity Of H 2 Smentioning

confidence: 99%

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Hydrogen Sulfide: A Robust Combatant against Abiotic Stresses in Plants

et al. 2021

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Hydrogen sulfide (H2S) is predominantly considered as a gaseous transmitter or signaling molecule in plants. It has been known as a crucial player during various plant cellular and physiological processes and has been gaining unprecedented attention from researchers since decades. They regulate growth and plethora of plant developmental processes such as germination, senescence, defense, and maturation in plants. Owing to its gaseous state, they are effectively diffused towards different parts of the cell to counterbalance the antioxidant pools as well as providing sulfur to cells. H2S participates actively during abiotic stresses and enhances plant tolerance towards adverse conditions by regulation of the antioxidative defense system, oxidative stress signaling, metal transport, Na+/K+ homeostasis, etc. They also maintain H2S-Cys-cycle during abiotic stressed conditions followed by post-translational modifications of cysteine residues. Besides their role during abiotic stresses, crosstalk of H2S with other biomolecules such as NO and phytohormones (abscisic acid, salicylic acid, melatonin, ethylene, etc.) have also been explored in plant signaling. These processes also mediate protein post-translational modifications of cysteine residues. We have mainly highlighted all these biological functions along with proposing novel relevant issues that are required to be addressed further in the near future. Moreover, we have also proposed the possible mechanisms of H2S actions in mediating redox-dependent mechanisms in plant physiology.

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Section: Multifunctional Capacity Of H 2 Smentioning

confidence: 99%

Section: Multifunctional Capacity Of H 2 Smentioning

confidence: 99%

Hydrogen Sulfide: A Robust Combatant against Abiotic Stresses in Plants

et al. 2021

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“…Although the smell of hydrogen sulfide, similar to rotten eggs, can cause people to be alert, when the concentration exceeds the human smell threshold or after long‐term exposure, it may cause olfactory failure and lead to poisoning. [ 135 ] Based on the presence of hydrogen sulfide (H 2 S), which will significantly change the LSPR wavelength of Au@Ag core‐shell nanoparticles (Au@Ag NPs), Wang et al . [ 136 ] built a photothermal paper sensor for field identification of H 2 S, with a visual detection limit of 12.8 ng L −1 .…”

Section: Pathways Of Paper‐based Sensors Towards Detectionmentioning

confidence: 99%

Recent advances of environmental pollutants detection via paper‐based sensing strategy

Zou

et al. 2021

Luminescence

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Paper has become one of the most promising substrates for building low‐cost and powerful sensing platforms due to its self‐pumping ability and compatibility with multiple patterning methods. Paper‐based sensors have been greatly developed in the field of environmental monitoring. In this review, we introduced the research and application of paper‐based sensors in environmental monitoring, focusing on the deposition and patterning methods of building paper‐based sensors, and summarized the applications of detecting environmental pollutants, including metal ions, anions, explosives, neurotoxins, volatile organic compounds, and small molecules. In addition, the development prospects and challenges of promoting paper‐based sensors are also discussed. The current review will provide references for the construction of portable paper‐based sensors, and has implications for the field of on‐site real‐time detection of the environment.

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“…A more reliable and frequently mentioned indicator in the literature is N , N -Dimethyl- p -phenylenediamine. Using iron(III) ions as the catalyst, the indicator reacts through contact with H 2 S to methylene blue, which becomes visible as an intense blue color [6]. However, this indicator is also characterized by its high toxicity.…”

Section: Introductionmentioning

confidence: 99%

Screen-Printed Sensors for Colorimetric Detection of Hydrogen Sulfide in Ambient Air

Engel

Tarantik

Pannek

et al. 2019

Sensors

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A fast and sensitive method to monitor hydrogen sulfide (H2S) in ambient air based on a visible color change of a printed disposable sensor has been developed. As gas-sensitive material, an immobilized copper(II) complex of the azo dye 1-(2-pyridylazo)-2-naphtol (H-PAN) was synthesized and prepared in an ethyl cellulose matrix for screen printing. If H2S is present in ambient air, the gas sensitive layer changes its color from purple to yellow. A pre-primed polyethylene (PE) foil and a coated offset paper served as the printing substrate. The colorimetric response to the target gas was measured by UV/Vis spectroscopy in reflection at H2S concentrations between 1 to 20 ppm. Possible cross-sensitivities of the printed sensors towards methane (CH4), formaldehyde (CH2O), carbon monoxide (CO), ammonia (NH3), and nitrogen dioxide (NO2), as well as the long-term stability was investigated. Furthermore, reflection measurements of the Cu-PAN complex on an amorphous silica powder under gas admission served as preliminary test for the subsequent paste development.

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New optical paper sensor for in situ measurement of hydrogen sulphide in waters and atmospheres

Cited by 40 publications

References 34 publications

Hydrogen Sulfide: A Robust Combatant against Abiotic Stresses in Plants

Hydrogen Sulfide: A Robust Combatant against Abiotic Stresses in Plants

Recent advances of environmental pollutants detection via paper‐based sensing strategy

Screen-Printed Sensors for Colorimetric Detection of Hydrogen Sulfide in Ambient Air

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