FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W3095173508> ?p ?o ?g. }

• W3095173508 endingPage "15006" @default.
• W3095173508 startingPage "14999" @default.
• W3095173508 abstract "The pH of a system is a critical descriptor of its chemistry—impacting reaction rates, solubility, chemical speciation, and homeostasis. As a result, pH is one of the most commonly measured parameters in food safety, clinical, and environmental laboratories. Glass pH probes are the gold standard for pH measurements but suffer drawbacks including frequent recalibration, wet storage of the glass membrane, difficulty in miniaturization, and interferences from alkali metals. In this work, we describe a voltammetric pH sensor that uses a three-dimensional (3D)-printed graphene/poly(lactic acid) filament electrode that is pretreated to introduce quinone functional groups to the graphene surface. After thoroughly characterizing the pretreatment parameters using outer-sphere and inner-sphere redox couples, we measured pH by reducing the surface-bound quinones, which undergo a pH-dependent 2e–/2H+ reduction. The position of the redox peak was found to shift −60 ± 2 mV pH–1 at 25 °C, which is in excellent agreement with the theoretical value predicted by the Nernst Equation (−59.2 mV pH–1). Importantly, the sensors did not require the removal of dissolved oxygen prior to successful pH measurements. We investigated the impact of common interfering species (Pb2+ and Cu2+) and found that there was no impact on the measured pH. We subsequently challenged the sensors to measure the pH of unadulterated complex samples, including cola, vinegar, an antacid tablet slurry, serum, and urine, and obtained excellent agreement compared to a glass pH electrode. In addition to the positive analytical characteristics, the sensors are extremely cheap and easy to fabricate, making them highly accessible to a wide range of researchers. These results pave the way for customizable pH sensors that can be fabricated in (nearly) any geometry for targeted applications using 3D printing." @default.
• W3095173508 created "2020-11-09" @default.
• W3095173508 creator A5056699666 @default.
• W3095173508 creator A5068582945 @default.
• W3095173508 date "2020-11-03" @default.
• W3095173508 modified "2023-10-18" @default.
• W3095173508 title "Voltammetric pH Measurements in Unadulterated Foodstuffs, Urine, and Serum with 3D-Printed Graphene/Poly(Lactic Acid) Electrodes" @default.
• W3095173508 cites W1964188743 @default.
• W3095173508 cites W1982780872 @default.
• W3095173508 cites W1984139638 @default.
• W3095173508 cites W1994591490 @default.
• W3095173508 cites W2000196103 @default.
• W3095173508 cites W2001747216 @default.
• W3095173508 cites W2007867868 @default.
• W3095173508 cites W2010250777 @default.
• W3095173508 cites W2016126249 @default.
• W3095173508 cites W2019185666 @default.
• W3095173508 cites W2060991569 @default.
• W3095173508 cites W2061680435 @default.
• W3095173508 cites W2072458414 @default.
• W3095173508 cites W2082405251 @default.
• W3095173508 cites W2109421444 @default.
• W3095173508 cites W2113297575 @default.
• W3095173508 cites W2116169250 @default.
• W3095173508 cites W2124743354 @default.
• W3095173508 cites W2148485865 @default.
• W3095173508 cites W2158156968 @default.
• W3095173508 cites W2173906027 @default.
• W3095173508 cites W2231330441 @default.
• W3095173508 cites W2255449260 @default.
• W3095173508 cites W2258879264 @default.
• W3095173508 cites W2277197359 @default.
• W3095173508 cites W2327407167 @default.
• W3095173508 cites W2329312586 @default.
• W3095173508 cites W2331592156 @default.
• W3095173508 cites W2336649281 @default.
• W3095173508 cites W2518184332 @default.
• W3095173508 cites W2584686014 @default.
• W3095173508 cites W2601810133 @default.
• W3095173508 cites W2726127502 @default.
• W3095173508 cites W2742179226 @default.
• W3095173508 cites W2749232365 @default.
• W3095173508 cites W2762114400 @default.
• W3095173508 cites W2799843285 @default.
• W3095173508 cites W2806626400 @default.
• W3095173508 cites W2888024721 @default.
• W3095173508 cites W2899958553 @default.
• W3095173508 cites W2900460155 @default.
• W3095173508 cites W2903710266 @default.
• W3095173508 cites W2904528804 @default.
• W3095173508 cites W2916926307 @default.
• W3095173508 cites W2921437355 @default.
• W3095173508 cites W2931135803 @default.
• W3095173508 cites W2944022814 @default.
• W3095173508 cites W2966637018 @default.
• W3095173508 cites W2971134007 @default.
• W3095173508 cites W2974908736 @default.
• W3095173508 cites W2996317263 @default.
• W3095173508 cites W3000676978 @default.
• W3095173508 cites W3005191482 @default.
• W3095173508 cites W3006489879 @default.
• W3095173508 cites W3006647936 @default.
• W3095173508 cites W3009023073 @default.
• W3095173508 cites W3009100464 @default.
• W3095173508 cites W3011515634 @default.
• W3095173508 cites W3022755335 @default.
• W3095173508 cites W3075722511 @default.
• W3095173508 doi "https://doi.org/10.1021/acs.analchem.0c02902" @default.
• W3095173508 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33140638" @default.
• W3095173508 hasPublicationYear "2020" @default.
• W3095173508 type Work @default.
• W3095173508 sameAs 3095173508 @default.
• W3095173508 citedByCount "23" @default.
• W3095173508 countsByYear W30951735082021 @default.
• W3095173508 countsByYear W30951735082022 @default.
• W3095173508 countsByYear W30951735082023 @default.
• W3095173508 crossrefType "journal-article" @default.
• W3095173508 hasAuthorship W3095173508A5056699666 @default.
• W3095173508 hasAuthorship W3095173508A5068582945 @default.
• W3095173508 hasBestOaLocation W30951735082 @default.
• W3095173508 hasConcept C111899830 @default.
• W3095173508 hasConcept C113196181 @default.
• W3095173508 hasConcept C127413603 @default.
• W3095173508 hasConcept C147789679 @default.
• W3095173508 hasConcept C17525397 @default.
• W3095173508 hasConcept C179104552 @default.
• W3095173508 hasConcept C182891698 @default.
• W3095173508 hasConcept C184501600 @default.
• W3095173508 hasConcept C185592680 @default.
• W3095173508 hasConcept C2775920511 @default.
• W3095173508 hasConcept C30080830 @default.
• W3095173508 hasConcept C40290423 @default.
• W3095173508 hasConcept C42360764 @default.
• W3095173508 hasConcept C43617362 @default.
• W3095173508 hasConcept C523546767 @default.
• W3095173508 hasConcept C52859227 @default.
• W3095173508 hasConcept C54355233 @default.
• W3095173508 hasConcept C55904794 @default.

• next