Results 41 to 50 of about 62,682 (306)

Lithium distribution across the membrane of motoneurons in the isolated frog spinal cord [PDF]

open access: yes, 1982
Lithium sensitive microelectrodes were used to investigate the transmembrane distribution of lithium ions (Li+) in motoneurons of the isolated frog spinal cord.
A Ullrich   +28 more
core   +1 more source

Intracellular free sodium and potassium, post-carbachol hyperpolarization, and extracellular potassium-undershoot in rat sympathetic neurones [PDF]

open access: yes, 1983
Double-barrelled ion-sensitive microelectrodes were used to record the free intracellular Na+- and K+-concentrations ([Na+]i, [K+]i) and to determine their relation to changes in membrane potential and extracellular K+ ([K+]e) in rat sympathetic ganglia.
Brown   +15 more
core   +1 more source

Quantitative evaluation of blood glucose concentration using impedance sensing devices

open access: yesJournal of Electrical Bioimpedance, 2013
This paper reports on the impedimetric investigation of glucose concentrations present in the human blood by using impedance sensing devices with different working electrode areas.
Pradhan Rangadhar   +2 more
doaj   +1 more source

Double-Sided Sapphire Optrodes with Conductive Shielding Layers to Reduce Optogenetic Stimulation Artifacts

open access: yesMicromachines, 2022
Optrodes, which are single shaft neural probes integrated with microelectrodes and optical light sources, offer a remarkable opportunity to simultaneously record and modulate neural activities using light within an animal’s brain; however, a common ...
Junyu Shen   +15 more
doaj   +1 more source

On-chip electro-optic tuning of a lithium niobate microresonator with integrated in-plane microelectrodes

open access: yes, 2016
We demonstrate electro-optic tuning of an on-chip lithium niobate microresonator with integrated in-plane microelectrodes. First two metallic microelectrodes on the substrate were formed via femtosecond laser process.
Cheng, Ya   +9 more
core   +1 more source

Alpha- and beta-adrenergic mediation of changes in metabolism and Na/K exchange in rat brown fat [PDF]

open access: yes, 1985
Double- and triple-barreled ion-sensitive microelectrodes were used to measure changes in extracellular K+ and Na+ concentrations ([K+]o, [Na+]o) in brown fat.
Coles, Jonathan A.   +2 more
core   +2 more sources

Biofilm dynamics characterization using a novel DO-MEA sensor: mass transport and biokinetics [PDF]

open access: yes, 2015
Biodegradation process modeling is an essential tool for the optimization of biotechnologies related to gaseous pollutant treatment. In these technologies, the predominant role of biofilm, particularly under conditions of no mass transfer limitations ...
Dorado Castaño, Antonio David   +6 more
core   +2 more sources

Glucose availability and sensitivity to anoxia of isolated rat peripheral nerve [PDF]

open access: yes, 1991
The contrast between resistance to ischemia and ischemic lesions in peripheral nerves of diabetic patients was explored by in vitro experiments. Isolated and desheathed rat peroneal nerves were incubated in the following solutions with different glucose ...
DYCK P. J.   +11 more
core   +1 more source

Universal Algorithm for Simulating and Evaluating Cyclic Voltammetry at Macroporous Electrodes by Considering Random Arrays of Microelectrodes [PDF]

open access: yes, 2020
An algorithm for the simulation and evaluation of cyclic voltammetry (CV) at macroporous electrodes such as felts, foams, and layered structures is presented.
Andrae, Dirk   +4 more
core   +1 more source

Opportunities and Challenges for Single-Unit Recordings from Enteric Neurons in Awake Animals

open access: yesMicromachines, 2018
Advanced electrode designs have made single-unit neural recordings commonplace in modern neuroscience research. However, single-unit resolution remains out of reach for the intrinsic neurons of the gastrointestinal system.
Bradley B. Barth   +3 more
doaj   +1 more source

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