Expanding the circularity of plastic and biochar materials by developing alternative low environmental footprint sensors

Cancelliere, Rocco; Rea, Giuseppina; Severini, Leonardo; Cerri, Luciana; Leo, Gabriella; Paialunga, Elisa; Mantegazza, Pietro; Mazzuca, Claudia; Micheli, Laura

doi:10.1039/d3gc01103h

Cited by 10 publications

(6 citation statements)

References 33 publications

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“…Moreover, comparing these results with the D 0 value reported in the literature by Konopka and McDuffy reveals a similar planar diffusion-controlled mechanism (about 10 −6 magnitude) in the oxidation/reduction processes of Fe(CN) 6 3−/4− . 24 This behaviour is supported by the impedimetric results indicated by the W values obtained, which are the same for P-SPEs, rP-SPEs, and EC-SPEs. Afterwards, the electron transfer process was studied by comparing the current peak ratio ( I pa / I pc ), Δ E , and R ct .…”

Section: Resultssupporting

confidence: 61%

“…The EC substrate is prepared at room temperature via solvent casting method from a 10% w ethanol-based dispersion. The full procedure and characterisation of the film are reported in a previous work 24 and summarised in Fig. 1 .…”

Section: Methodsmentioning

confidence: 99%

“…This initiative aligns with the objectives outlined in the European Union's “European Strategy for Plastics in a Circular Economy,” which aims to ensure that by 2030, all plastic packaging introduced to the EU market will be either easily reusable or recyclable at minimal cost. 24 …”

Section: Introductionmentioning

confidence: 99%

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An ethyl cellulose novel biodegradable flexible substrate material for sustainable screen-printing

Palmieri,

Cancelliere,

Maita

et al. 2024

RSC Adv.

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Section: Resultssupporting

confidence: 61%

Section: Methodsmentioning

confidence: 99%

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An ethyl cellulose novel biodegradable flexible substrate material for sustainable screen-printing

Palmieri,

Cancelliere,

Maita

et al. 2024

RSC Adv.

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“…Similar approaches have been implemented for nitrite detection. Cancelliere et al [187] developed graphite-screen-printed electrodes based on post-consumer polyethene terephthalate. This sensor could quantify nitrites down to 3.3 nM.…”

Section: Nitrite and Nitratementioning

confidence: 99%

Ion-Selective Electrodes in the Food Industry: Development Trends in the Potentiometric Determination of Ionic Pollutants

Ruiz-Gonzalez

2024

Electrochem

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Food quality assessment is becoming a global priority due to population growth and the rise of ionic pollutants derived from anthropogenic sources. However, the current methods used to quantify toxic ions are expensive and their operation is complex. Consequently, there is a need for affordable and accessible methods for the accurate determination of ion concentrations in food. Electrochemical sensors based on potentiometry represent a promising approach in this field, with the potential to overcome limitations of the currently available systems. This review summarizes the current advances in the electrochemical quantification of heavy metals and toxic anions in the food industry using potentiometric sensors. The healthcare impact of common heavy metal contaminants (Cd2+, Hg2+, Pb2+, As3+) and anions (ClO4−, F−, HPO4−, SO42−, NO3−, NO2−) is discussed, alongside current regulations, and gold standard methods for analysis. Sensor performances are compared to current benchmarks in terms of selectivity and the limit of detection. Given the complexity of food samples, the percentage recovery values (%) and the methodologies employed for ion extraction are also described. Finally, a summary of the challenges and future directions of the field is provided. An overview of technologies that can overcome the limitations of current electrochemical sensors is shown, including new extraction methods for ions in food.

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“…This could begin with the selection of substrate materials, where eco-friendly options are prioritized for their unique properties like sensitivity and reusability. Future biosensing technologies should focus in minimizing energy and resource use, aligning with green chemistry and circularity. , Sustainable biosensors have a wide range of potential applications in various fields, including clinical diagnostics, the food industry, and environmental monitoring.…”

Section: What the Future Should Bring: Toward Sustainable Biosensingmentioning

confidence: 99%

Biosensors for Public Health and Environmental Monitoring: The Case for Sustainable Biosensing

Williams,

Aguilar,

Pattiya Arachchillage

et al. 2024

ACS Sustainable Chem. Eng.

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Climate change is a profound crisis that affects every aspect of life, including public health. Changes in environmental conditions can promote the spread of pathogens and the development of new mutants and strains. Early detection is essential in managing and controlling this spread and improving overall health outcomes. This perspective article introduces basic biosensing concepts and various biosensors, including electrochemical, optical, mass-based, nano biosensors, and single-molecule biosensors, as important sustainability and public health preventive tools. The discussion also includes how the sustainability of a biosensor is crucial to minimizing environmental impacts and ensuring the long-term availability of vital technologies and resources for healthcare, environmental monitoring, and beyond. One promising avenue for pathogen screening could be the electrical detection of biomolecules at the single-molecule level, and some recent developments based on single-molecule bioelectronics using the Scanning Tunneling Microscopy-assisted break junctions (STM-BJ) technique are shown here. Using this technique, biomolecules can be detected with high sensitivity, eliminating the need for amplification and cell culture steps, thereby enhancing speed and efficiency. Furthermore, the STM-BJ technique demonstrates exceptional specificity, accurately detects single-base mismatches, and exhibits a detection limit essentially at the level of individual biomolecules. Finally, a case is made here for sustainable biosensors, how they can help, the paradigm shift needed to achieve them, and some potential applications.

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Expanding the circularity of plastic and biochar materials by developing alternative low environmental footprint sensors

Abstract: Flexible screen-printing technology modified with nano/material coating boosted the manufacturing of highly sensitive electrochemical sensors for fast and easy-to-handle tests in different application fields.

Cited by 10 publications

References 33 publications

An ethyl cellulose novel biodegradable flexible substrate material for sustainable screen-printing

An ethyl cellulose novel biodegradable flexible substrate material for sustainable screen-printing

Ion-Selective Electrodes in the Food Industry: Development Trends in the Potentiometric Determination of Ionic Pollutants

Biosensors for Public Health and Environmental Monitoring: The Case for Sustainable Biosensing

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