All-plastic, disposable, low detection limit ion-selective electrodes

Michalska, Agata; Maksymiuk, Krzysztof

doi:10.1016/j.aca.2004.07.020

Cited by 88 publications

(66 citation statements)

References 53 publications

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“…Graphite with a surface-confined redox buffer system has also been used in SC-ISE. [8] Recently, carbon materials with a much higher surface area, e.g. carbon nanotubes (CNTs), [9,10] three dimensionally ordered macroporous carbon (3DOM carbon) [11,12] and fullerenes [13] have been used as solid contacts.…”

Section: Carbon Nanotube Based Isesmentioning

confidence: 99%

Review of progresses on clinical applications of ion selective electrodes for electrolytic ion tests: from conventional ISEs to graphene-based ISEs

Yan

Qiu

Tong

et al. 2016

Chemical Speciation & Bioavailability

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There exist several positively and negatively charged electrolytes or ions in human blood, urine, and other body fluids. Tests that measure the concentration of these ions in clinics are performed using a more affordable, portable, and disposable potentiometric sensing method with few sample volumes, which requires the use of ion-selective electrodes (ISEs) and reference electrodes. This review summarily descriptively presents progressive developments and applications of ion selective electrodes in medical laboratory electrolytic ion tests, from conventional ISEs, solid-contact ISEs, carbon nanotube based ISEs, to graphene-based ISEs.

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Section: Carbon Nanotube Based Isesmentioning

confidence: 99%

Review of progresses on clinical applications of ion selective electrodes for electrolytic ion tests: from conventional ISEs to graphene-based ISEs

Yan

Qiu

Tong

et al. 2016

Chemical Speciation & Bioavailability

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“…Carbon-plastic electrodes were prepared on acetate transparency sheets as described earlier [13,22,23] using 90 µL of MWCNT/PVC suspension. After drying, a strip of PTFE adhesive was applied to isolate the transducer and the electrical lead parts of the layer.…”

Section: Preparation Of Carbon-plastic Electrodesmentioning

confidence: 99%

Carbon Nanotubes-Based Potentiometric Bio-Sensors for Determination of Urea

Jaworska¹,

Maksymiuk²,

Michalska³

2015

Chemosensors

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Abstract:The possibility of using disposable plastic-carbon potentiometric sensors as enzyme biosensors was examined. Urease enzyme was immobilized on poly(vinyl chloride) based H + -or NH4 + -selective membranes using cellulose acetate. This approach has resulted in a potentiometric response on changing the pH of the solution or NH4 + ion content due to an enzymatic reaction that occurs between urease and urea. Both types of potentiometric biosensors for urea were characterized by good analytical parameters as high sensitivity and fast response time.

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“…These efforts were reviewed recently [54]. While some materials (e.g., polypyrrole [55] and poly(3,4-ethylenedioxythiophene) (PEDOT) [56]) electropolymerize conveniently, alternative compounds (e.g., poly(3-octylthiophene)) are often solvent cast, but they exhibit desired lipophilicity characteristics and reduced redox interference from potentially-interfering solution species [53][54][55].…”

Section: Inner Layers At Ion-selective Membranesmentioning

confidence: 99%

Nanoscale potentiometry

Bakker

Pretsch²

2008

TrAC Trends in Analytical Chemistry

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Potentiometric sensors share unique characteristics that set them apart from other electrochemical sensors. Potentiometric nanoelectrodes have been reported and successfully used for many decades, and we review these developments. Current research chiefly focuses on nanoscale films at the outer or the inner side of the membrane, with outer layers for increasing biocompatibility, expanding the sensor response, or improving the limit of detection (LOD). Inner layers are mainly used for stabilizing the response and eliminating inner aqueous contacts or undesired nanoscale layers of water. We also discuss the ultimate detectability of ions with such sensors and the power of coupling the ultra-low LODs of ion-selective electrodes with nanoparticle labels to give attractive bioassays that can compete with state-of-the-art electrochemical detection.

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All-plastic, disposable, low detection limit ion-selective electrodes

Cited by 88 publications

References 53 publications

Review of progresses on clinical applications of ion selective electrodes for electrolytic ion tests: from conventional ISEs to graphene-based ISEs

Review of progresses on clinical applications of ion selective electrodes for electrolytic ion tests: from conventional ISEs to graphene-based ISEs

Carbon Nanotubes-Based Potentiometric Bio-Sensors for Determination of Urea

Nanoscale potentiometry

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