Technical aspects of SAW gas sensors application in environmental measurements

Guz, Łukasz

doi:10.1051/matecconf/201925206007

Cited by 8 publications

(7 citation statements)

References 28 publications

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“…Despite the low sample volume and rapid resolution time, considering an RBC count of 5 × 10 6 /µL of blood, the detection limit (100,000 parasites/µL of blood) is not competitive with microscopy and RDTs yet, nor do the authors specify whether this sensor operates based on hemozoin detection. Nevertheless, the sensitivity and specificity of SAW sensors might be improved by their coating with absorptive materials [ 96 ]. Despite being thermo-stable and not requiring high energy for operation, the durability of these sensors might be a challenge [ 96 ].…”

Section: Lab-on-a-chip and Other Microdevices For Hemozoin-based Mala...mentioning

confidence: 99%

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Review of Microdevices for Hemozoin-Based Malaria Detection

et al. 2022

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Despite being preventable and treatable, malaria still puts almost half of the world’s population at risk. Thus, prompt, accurate and sensitive malaria diagnosis is crucial for disease control and elimination. Optical microscopy and immuno-rapid tests are the standard malaria diagnostic methods in the field. However, these are time-consuming and fail to detect low-level parasitemia. Biosensors and lab-on-a-chip devices, as reported to different applications, usually offer high sensitivity, specificity, and ease of use at the point of care. Thus, these can be explored as an alternative for malaria diagnosis. Alongside malaria infection inside the human red blood cells, parasites consume host hemoglobin generating the hemozoin crystal as a by-product. Hemozoin is produced in all parasite species either in symptomatic and asymptomatic individuals. Furthermore, hemozoin crystals are produced as the parasites invade the red blood cells and their content relates to disease progression. Hemozoin is, therefore, a unique indicator of infection, being used as a malaria biomarker. Herein, the so-far developed biosensors and lab-on-a-chip devices aiming for malaria detection by targeting hemozoin as a biomarker are reviewed and discussed to fulfil all the medical demands for malaria management towards elimination.

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Section: Lab-on-a-chip and Other Microdevices For Hemozoin-based Mala...mentioning

confidence: 99%

“…Nevertheless, the sensitivity and specificity of SAW sensors might be improved by their coating with absorptive materials [ 96 ]. Despite being thermo-stable and not requiring high energy for operation, the durability of these sensors might be a challenge [ 96 ].…”

Section: Lab-on-a-chip and Other Microdevices For Hemozoin-based Mala...mentioning

confidence: 99%

Review of Microdevices for Hemozoin-Based Malaria Detection

et al. 2022

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“…However, the QCM sensor consists of complicated electronics with high sensitivity, poor signal-to-noise ratio, humidity and temperature sensitivity. (Guz 2019 ).…”

Section: Assessment Methods Using Odour and Tasting Sensing Technologymentioning

confidence: 99%

Recent technology for food and beverage quality assessment: a review

et al. 2022

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Food and beverage assessment is an evaluation method used to measure the strengths and weaknesses of a food and beverage system to make improvements. These assessments had become crucial, especially in the issues of adulteration, replacement, and contamination that happened in artificial adjustment relating to the quality, weight and volume. Thus, this review will examine and describe features recently applied in image, odour, taste and electromagnetic, relevant to the food and beverages assessment. This review will also compare and discuss each technique and provides suggestions based on the current technology. This review will deliberate technology integration and the involvement of deep learning to enable several types of current technologies, such as imaging, odour and taste senses, and electromagnetic sensing, to be used in food evaluation applications for inspection and packaging.

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“…Table 1 delineates the materials incorporated into the gas-sensing devices, as described in Section 3 of this work, and provides the disadvantages that more commonly occur according to the configuration or mechanisms of action of any of the described gas sensors. [71,[108][109][110][111]140] Irrespective of this feasibility afforded to monitor the germinating GHGs with operational, research-grade instrumentation, still, quantification requirements must be carefully construed. For instance, data records should be exceptionally precise, durable, and span multiple decades for the long-term resolution of annual mean GHG gradients.…”

Section: Conclusion and Future Perspectivesmentioning

confidence: 99%

Significance of Various Sensing Mechanisms for Detecting Local and Atmospheric Greenhouse Gases: A Review

Bassous,

Rodriguez,

Leal

et al. 2023

Advanced Sensor Research

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Elucidating the capital mechanism for detecting greenhouse gases (GHGs) in the atmosphere, based on sensitivity, performance, and cost‐effectiveness, is challenging, but markedly needed in the presence of global climate change caused by GHG emissions and subsequent feedback. Often measured in units of Global Warming Potential (GWP), the GHGs are linked to climate change, especially due to their intrinsic tendencies to absorb heat energy. Hence, measures for reducing GHG emissions are implemented within the context of improving energy consumption; substituting high‐GHG output fuels for more neutral alternatives; trapping and sequestering carbon; and reconditioning agricultural processes. The extent to which these curtailment methods succeed hinges on GHG detection and quantification mechanisms. However, the universal determination of GHGs is constrained by the availability of sensors; this work, therefore, highlights sensor advantages/disadvantages and potential enrichment strategies. Herein, experimental developments in GHG sensing technologies (i.e., chemiresistive, electrochemical, infrared, optical, acoustic, calorimetric, and gas chromatographic sensors) are evaluated, in terms of approaching desirable features, such as sensitivity, selectivity, stability, accuracy, and low cost. This work underscores ongoing global research to produce universal, cost‐effective methods that, with high sensitivity, proffer accurate GHG readings to allay global warming, through comparisons of recent, up‐and‐coming sensor technologies.

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Technical aspects of SAW gas sensors application in environmental measurements

Cited by 8 publications

References 28 publications

Review of Microdevices for Hemozoin-Based Malaria Detection

Review of Microdevices for Hemozoin-Based Malaria Detection

Recent technology for food and beverage quality assessment: a review

Significance of Various Sensing Mechanisms for Detecting Local and Atmospheric Greenhouse Gases: A Review

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