Results 31 to 40 of about 4,965 (177)

Redox Sensor Array with 23.5-μm Resolution for Real-Time Imaging of Hydrogen Peroxide and Glutamate Based on Charge-Transfer-Type Potentiometric Sensor

Sensors, 2021
Towards clarifying the spatio-temporal neurotransmitter distribution, potentiometric redox sensor arrays with 23.5-µm resolution were fabricated. The sensor array based on a charge-transfer-type potentiometric sensor comprises 128×128 pixels with gold ...
Tatsuya Iwata, Yuki Okumura, Koichi Okumura, Tomoko Horio, Hideo Doi, Kazuhiro Takahashi, Kazuaki Sawada   +6 more
doaj   +1 more source

Electrochemical analysis of antioxidant status of biological media in different sampling and storage conditions [PDF]

Journal of the Serbian Chemical Society
The use of an electrochemical approach for assessment of the oxidative stress severity is a promising direction for point-of-care testing development, which is especially important for critically ill patients.
Goroncharovskaya Irina V., Evseev Anatoly K., Shabanov Aslan K., Petrikov Sergey S.   +3 more
doaj   +1 more source

Thermodynamic Solution Properties of a Biodegradable Chelant (L-glutamic-N,N-diacetic Acid, L-GLDA) and Its Sequestering Ability toward Cd²⁺

Molecules, 2021
The thermodynamics of the interaction of L-glutamic-N,N-diacetic acid (GLDA) with protons was studied potentiometrically at different temperatures, ionic strengths and ionic media. Four protonation constants and corresponding enthalpy changes occurred at
Clemente Bretti, Roberto Di Pietro, Paola Cardiano, Olivia Gomez-Laserna, Anna Irto, Gabriele Lando, Concetta De Stefano   +6 more
doaj   +1 more source

Synthesis and Protonation Constants of an Amide-Based Chelating Cyclophane

Molbank, 2006
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Julio Cesar Altamirano-Coronado, Carolina Godoy-Alcántar, Felipe Medrano   +2 more
doaj   +1 more source

Modified planar sensors for the separate detection of certain cephalosporin antibiotics [PDF]

Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
Modifi ed screen-printed potentiometric sensors sensitive to cephalosporin antibiotics – cefuroxime (Cefur), cefotaxime (Ceftx), cefazolin (Cef) have been developed. Tetradecylammonium associates with complex compounds silver (I) – cefuroxime
Kulapina, Elena Grigorievna, Mursalov, Ruslan K., Kulapina, Olga Ivanovna   +2 more
doaj   +1 more source

The 1,3-Dioctadecyl-1H-imidazol-3-ium Based Potentiometric Surfactant Sensor for Detecting Cationic Surfactants in Commercial Products

Sensors, 2022
A low-cost and fast potentiometric surfactant sensor for cationic surfactants, based on the new ion-pair 1,3-dioctadecyl-1H-imidazol-3-ium-tetraphenylborate (DODI-TPB), is presented.
Nikola Sakač, Dubravka Madunić-Čačić, Dean Marković, Bartolomeo Della Ventura, Raffaele Velotta, Anita Ptiček Siročić, Brunislav Matasović, Nikolina Sermek, Bojan Đurin, Bojan Šarkanj, Marija Jozanović   +10 more
doaj   +1 more source

Nanoscale electron transport at the surface of a topological insulator

Nature Communications, 2016
Topological insulators offer lossless surface transport because of the suppression of conduction-electron backscattering from defect sites. Here, the authors show that the nanoscale voltage drops caused by such scattering can be directly measured using ...
Sebastian Bauer, Christian A. Bobisch
doaj   +1 more source

A Novel Membrane Sensor for Batch and Flow Injection Potentiometric Determination of Cefazolin Sodium in Pharmaceutical Preparations

International Journal of Electrochemical Science, 2014
A novel potentiometric sensor was prepared, characterized and utilized for static and continuous determination of cefazolin sodium (CFZN). Several metal-ion complexes and anion exchangers were tested as electroactive materials in plasticized polymeric ...
Ibrahim H.A. Badr, Gamal A. Saleh, Sayed M. Sayed, Deena A.M. Nour El-Deen   +3 more
doaj   +1 more source

Potentiometric Studies on Chemically and Electrochemically Prepared Sulfide Active Materials for Determination of Copper(II)

International Journal of Electrochemical Science, 2014
Three electrodes have been prepared by mixing and pressing different materials: Ag2S + Cu (electrode 1); Ag + Cu (electrode 2); pure Cu powder (electrode 3).
Marija Bralić, Marijo Buzuk, Maša Buljac, Slobodan Brinić   +3 more
doaj   +1 more source

A Geometrically Transient Platform for Bioelectronic Implants

Advanced Materials, EarlyView.
Minimally invasive bioelectronic implants often compromise performance for smaller sizes. To resolve this optimization dilemma, a wireless bioelectronic implant with a transient geometry is introduced (MiFi). The origami‐inspired device miniaturizes up to sixfold for syringe insertion and autonomously unfolds post‐implantation.
Selin Olenik, John D. Goodwin, Atharv Naik, Philip Coatsworth, Ioi Chit Cheung, Farbod Amirghasemi, Anies Sohi, Ehsan Abedi, Tayeb Tadlaoui, Maral P. S. Mousavi, Andriy S. Kozlov, Victoria Salem, Andrew S. Cowburn, Firat Guder   +13 more
wiley   +1 more source