Electrochemical Devices to Monitor Ionic Analytes for Healthcare and Industrial Applications

Fan, Sue-Yuan; Khuntia, Sucharita; Ahn, Channing C.; Zhang, Bing; Tai, Li Chia

doi:10.3390/chemosensors10010022

Cited by 6 publications

(3 citation statements)

References 118 publications

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“…It consists of a chemical recognition layer, referred to as a receptor, and a physico-chemical transducer. When the receptor interacts with the target analytes, the transducer responds in the form of an electrical signal [25]. When the transducer and/or the receptor are nanostructured or contain a nanomaterial, a sensor becomes a nanosensor.…”

Section: Cnt-based Chemical Sensors and Their Operating Principlesmentioning

confidence: 99%

Water Quality Carbon Nanotube-Based Sensors Technological Barriers and Late Research Trends: A Bibliometric Analysis

et al. 2022

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Water is the key element that defines and individualizes our planet. Relative to body weight, water represents 70% or more for the majority of all species on Earth. Taking care of water as a whole is equivalent with taking care of the entire biodiversity or the whole of humanity itself. Water quality is becoming an increasingly important component of terrestrial life, hence intensive work is being conducted to develop sensors for detecting contaminants and assessing water quality and characteristics. Our bibliometric analysis is focused on water quality sensors based on carbon nanotubes and highlights the most important objectives and achievements of researchers in recent years. Due to important measurement characteristics such as sensitivity and selectivity, or low detection limit and linearity, up to the ability to measure water properties, including detection of heavy metal content or the presence of persistent organic compounds, carbon nanotube (CNT) sensors, taking advantage of available nanotechnologies, are becoming increasingly attractive. The conducted bibliometric analysis creates a visual, more efficient keystones mapping. CNT sensors can be integrated into an inexpensive real-time monitoring data acquisition system as an alternative for classical expensive and time-consuming offline water quality monitoring. The conducted bibliometric analysis reveals all connections and maps all the results in this water quality CNT sensors research field and gives a perspective on the approached methods on this specific type of sensor. Finally, challenges related to integration of other trends that have been used and proven to be valuable in the field of other sensor types and capable to contribute to the development (and outlook) for future new configurations that will undoubtedly emerge are presented.

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Section: Cnt-based Chemical Sensors and Their Operating Principlesmentioning

confidence: 99%

Water Quality Carbon Nanotube-Based Sensors Technological Barriers and Late Research Trends: A Bibliometric Analysis

et al. 2022

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“…Biogenic amines are regarded as a significant indicator for monitoring food quality and disease diagnosis, since they are generally produced from the decomposition of amino acids owing to external microbial activity during food spoilage or endogenous tissue metabolisms. − In the past decades, various methods and technologies, such as liquid chromatography, electrochemical devices, − conductive polymer materials, , and optical sensors, , have been widely developed for detecting biogenic amines. Optical sensors have attracted a lot of attention because of their superior sensitivity and selectivity. − Traditional optical sensors based on changes in fluorescence intensity of a single chromophore, denoted as SICS , have shown limited performance because determination accuracy is easily influenced by luminogen concentration, instrument, and especially the external environment such as temperature and humidity.…”

Section: Introductionmentioning

confidence: 99%

Facilely Processable Dual-Color Ratiometric Fluorescent Sensors for Highly Sensitive Detection of Food Spoilage

Yan

Wang

2023

ACS Food Sci. Technol.

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Spoiled food, especially seafood, poses a huge challenge to food safety and human health, which should be addressed through early monitoring and warning of freshness. Despite the fact that several food colorimetric sensors have been reported recently, only a small number of them can match the demands of easy manufacturing, high sensitivity, and satisfactory reliability. Herein, we report a type of dual-color ratiometric composites as fluorescent sensors (DUCS) with good processability, which offers the superior real-time and visual detection of seafood spoilage. A visually detectable colorimetric sensitivity under portable UV light irradiation has been achieved for seafood stored at room temperature for 4−6 h (response time variable with different food ingredients). Moreover, the ease and versatility of our formulation, composed of organic fluorophores, polymers, and additives as composites, has enabled facile processing, including drop-coating and stamp-patterning, which would facilitate a broad scope of applications for food sensing and beyond.

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“…Thallium-201 is a potentially helpful radioisotope for various medical applications, including myocardial visualization and possible physiology assessment, as a renal medullary imaging agent, and as tumor detection [8]. It is biologically similar to potassium in organ distribution and neurophysiologic function [9]. The physicalchemical explanation for the biological similarity of Tl+ and K+ is that the hydrated ionic radius of Tl+ is between K+ and Rb+ in size, and this radius has been suggested as the property that determines passive penetration through a membrane [10].…”

Section: Introductionmentioning

confidence: 99%

Untitled

2021

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Nuclear medicine is a specialized area of radiology that uses very small amounts of radioactive materials, or radiopharmaceuticals inside the body to examine organ function and structure for diagnosis or to target and destroy damaged or diseased organs or tissue (for treatment). Several different types of radionuclides are available. These include forms of the element technetium, thallium, gallium, iodine, and xenon. Out of these radionuclides, thallium's radioisotope plays a crucial role in the diagnosis of chronic ailments like CAD, myocardial infarction, ischemia, to name few. These diseases cause specific muscles or arteries to die or get blocked. Out of the radioisotopes of thallium, Tl-201mis is considered best suited for diagnosis of such diseases by tomography techniques such as Single Photon Emission Computed Tomography (SPECT). In this article, we have presented an overview of how thallium can be used as a nuclear medicine to test the stress level in human, mechanism of action as a tracer and perfusion imaging test by using SPECT.

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Electrochemical Devices to Monitor Ionic Analytes for Healthcare and Industrial Applications

Cited by 6 publications

References 118 publications

Water Quality Carbon Nanotube-Based Sensors Technological Barriers and Late Research Trends: A Bibliometric Analysis

Water Quality Carbon Nanotube-Based Sensors Technological Barriers and Late Research Trends: A Bibliometric Analysis

Facilely Processable Dual-Color Ratiometric Fluorescent Sensors for Highly Sensitive Detection of Food Spoilage

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