Results 221 to 230 of about 1,404,609 (276)

Dielectric Barrier Discharge Plasma Deoxidation of Natively Oxide Layer of Copper Powders in a Fluidized Bed

Advanced Engineering Materials, EarlyView.
This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang, Annett Wollmann, Thomas Gimpel, Alfred P. Weber   +3 more
wiley   +1 more source

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Charge‐selective claudin channels

Annals of the New York Academy of Sciences, 2012
Claudins are the main determinants of barrier properties of the tight junction. Many claudins have been shown to act by tightening the paracellular pathway, but several function as paracellular channels. While some depend on the endogenous claudin background of the analyzed cell line, for other claudins, a distinct charge‐selectivity has been shown ...
Susanne M, Krug, Dorothee, Günzel, Marcel P, Conrad, In-Fah M, Lee, Salah, Amasheh, Michael, Fromm, Alan S L, Yu   +6 more
openaire   +2 more sources

Shapelet-transformed Multi-channel EEG Channel Selection

ACM Transactions on Intelligent Systems and Technology, 2020
This article proposes an approach to select EEG channels based on EEG shapelet transformation, aiming to reduce the setup time and inconvenience for subjects and to improve the applicable performance of Brain-Computer Interfaces (BCIs). In detail, the method selects top- k EEG channels by solving a logistic loss ...
Chenglong Dai, Dechang Pi, Stefanie I. Becker   +2 more
openaire   +2 more sources

T-Channel-Selective Calcium Channel Blockade

American Journal of Therapeutics, 1999
Basic studies as well as short-term clinical trials of the T-channel-selective calcium channel blocker, mibefradil, are reviewed. The compound reduced afterload and was effective for the symptomatic treatment of hypertension and stable angina pectoris. It did not display any relevant negative inotropic or positive chronotropic effect.
J. A. Van der Vring, T. J. Cleophas, E. E. Van der Wall, M. G. Niemeyer   +3 more
openaire   +1 more source

Atrial-Selective Potassium Channel Blockers

Cardiac Electrophysiology Clinics, 2016
Atrial fibrillation (AF) is associated with increased morbidity and mortality. Atrial-selective potassium (K(+)) channel blockers may represent a novel therapeutic target. The best validated atrial-specific ion currents are the acetylcholine-activated inward-rectifier K(+) current IK,ACh and ultrarapidly activating delayed-rectifier K(+) current IKur ...
Voigt, Niels, Dobrev, Dobromir
openaire   +2 more sources

Ion selectivity in potassium channels

Biophysical Chemistry, 2006
Potassium channels are tetrameric membrane-spanning proteins that provide a selective pore for the conduction of K(+) across the cell membranes. One of the main physiological functions of potassium channels is efficient and very selective transport of K(+) ions through the membrane to the cell. Classical views of ion selectivity are summarized within a
Sergei Yu, Noskov, Benoît, Roux
openaire   +2 more sources

Choosing Channel Selectivity

Science, 2006
Ion channel proteins form pores in the membranes of cells and are regulated by voltage or small messenger molecules to control information flow to and from cells. The K + channel, important for the excitability of nerve cells, conducts only K + ions while completely excluding a smaller ion ...
openaire   +2 more sources

Ion Selectivity Strategies of Sodium Channel Selectivity Filters

Accounts of Chemical Research, 2014
CONSPECTUS: Sodium ion channels selectively transport Na(+) cations across the cell membrane. These integral parts of the cell machinery are implicated in regulating the cardiac, skeletal and smooth muscle contraction, nerve impulses, salt and water homeostasis, as well as pain and taste perception.
Dudev, Todor, Lim, Carmay
openaire   +2 more sources

Lanthanide-Selective Artificial Channels

ACS Nano
Lanthanides serve as essential elements for modern technology, playing critical roles in batteries, wind turbines, portable electronics, and energy-efficient lighting. Purifying lanthanides from ores and recycling them from end-of-life consumer materials are costly and damaging to the environment due to inefficient separation technologies.
Harekrushna Behera, Tyler J. Duncan, Laxmicharan Samineni, Hyeonji Oh, Ankit Jogdand, Arnav Karnik, Raman Dhiman, Aida Fica, Tzu-Yun Hsieh, Venkat Ganesan, Manish Kumar   +10 more
openaire   +2 more sources

Transport Channel Selection

2007
The share of logistics and transportation in the overall cost of a product is increasing. Subsequently, there is a growing pressure in the logistics industry for optimization and cost reduction. In this paper, we consider the issue of transport channel selection, a problem that has been overlooked for a long time. Typical choices for transport channels
Branke, Jürgen, Häußler, Denis, Schmidt, Christian   +2 more
openaire   +2 more sources