Results 31 to 40 of about 184,167 (263)

Dynamics of the fast-ion acceleration in type-I ELMy H-mode scenarios on the TCV tokamak

Nuclear Fusion
Fast ions have been observed to be accelerated in the presence of Edge Localised Modes (ELMs) and MHD activity on the Tokamak á Configuration Variable. The acceleration time, velocity-space and frequency dynamics have been resolved by analysing the fast ...
J. Poley-Sanjuán, A. Jansen Van Vuuren, J. Galdón-Quiroga, S. Mazzi, M. Podestá, M.B. Dreval, B.P. Duval, A. Fasoli, A.N. Karpushov, B. Labit, EUROfusion Tokamak Exploitation Team, TCV Team   +11 more
doaj   +1 more source

Fast separation of two trapped ions

New Journal of Physics, 2015
We design fast protocols to separate or recombine two ions in a segmented Paul trap. By inverse engineering the time evolution of the trapping potential composed of a harmonic and a quartic term, it is possible to perform these processes in a few ...
M Palmero, S Martínez-Garaot, U G Poschinger, A Ruschhaupt, J G Muga   +4 more
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

FEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace, Alyssa Borges, Charles Arnaud, Tove Karlsson, Nina K. Bröker, Stefanie Barbirz, Marta Bally   +6 more
wiley   +1 more source

Analysis of pitch distribution from passive imaging neutral particle analyzer signal in EAST

Nuclear Fusion
The experimental measurements reveal that a notable characteristic of the imaging neutral particle analyzer (INPA) passive signal in Experimental Advanced Superconducting Tokamak is its bimodal distribution in the pitch angle ( ${v_\parallel }/v$ ).
Zhan-Hong Lin, Feng Wang, Ming Xu, Yang Liu, Jia-Yi Zhang, Chen Zhang, Zheng-Xiong Wang, Yu-Qi Chu, Zi-Chao Lin, Hai-Lin Zhao, Li-Qing Xu, the EAST Team   +11 more
doaj   +1 more source

Impact of interaction between RF waves and fast NBI ions on the fusion performance in JET DTE2 campaign

Nuclear Fusion, 2023
This work presents a study of the interaction between radio frequency (RF) waves used for ion cyclotron resonance heating and the fast deuterium (D) and tritium (T) neutral Beam injected (NBI) ions in DT plasma.
K.K. Kirov, C.D. Challis, E. De la Luna, J. Eriksson, D. Gallart, J. Garcia, M. Gorelenkova, J. Hobirk, P. Jacquet, A. Kappatou, Y.O. Kazakov, D. Keeling, D. King, E. Lerche, C. Maggi, J. Mailloux, P. Mantica, M. Mantsinen, M. Maslov, S. Menmuir, P. Siren, Z. Stancar, D. Van Eester, JET Contributors   +23 more
doaj   +1 more source

Phosphoinositides and inositol phosphates as molecular glues

FEBS Letters, EarlyView.
Inositol phosphates (IPs) and phosphoinositides (PIPs) regulate diverse eukaryotic processes. Beyond recruiting signaling proteins or acting as structural cofactors, recent studies suggest they mediate protein–protein interactions as natural molecular glues.
Aleshia Seaton‐Terry, Alexander J. Cutright, Mong Na Claire Loi, Jessica Martin, Joseph W. Gilligan, Jakub N. Kubina, Michael J. Arambula, Susanna Tanada Palmu, Daniella Zhou, Raymond D. Blind   +9 more
wiley   +1 more source

First fluctuation measurements using an Imaging Neutral Particle Analyzer on DIII-D

Nuclear Fusion
A recent upgrade to the Imaging Neutral Particle Analyzer (INPA) on DIII-D has allowed for the first fluctuation measurements using an INPA to be taken during a neoclassical tearing mode (NTM).
K.R. Gage, X.D. Du, W.W. Heidbrink, J. Gonzalez-Martin, D. Liu, A.C. Brown   +5 more
doaj   +1 more source

Real-time implementation of the high-fidelity NBI code RABBIT into the discharge control system of ASDEX Upgrade

Nuclear Fusion, 2023
For the first time, a real-time capable NBI code, which has a comparable fidelity to the much more computationally expensive Monte Carlo codes such as NUBEAM, has been coupled to the discharge control system of a tokamak.
M. Weiland, R. Bilato, B. Sieglin, F. Felici, L. Giannone, O. Kudlacek, M. Rampp, M. Scheffer, W. Treutterer, T. Zehetbauer, the ASDEX Upgrade Team, the EUROfusion MST1 Team   +11 more
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

FEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee, Junho Jeong, Chae Yeong Lee, Hyunjoon Cho, Man Hwan Oh, Je Chul Lee, Jee‐Young Lee, Yangmee Kim   +7 more
wiley   +1 more source

Observation of bi-directional global Alfvén eigenmodes in the MAST-U tokamak

Nuclear Fusion
The first observations and classification of deuterium beam-driven sub-cyclotron frequency range Alfvén eigenmodes (AEs) are presented for the MAST-Upgrade tokamak. Sets of observed eigenmodes are separated in frequency by approximately 200 kHz.
M.B. Dreval, H.J.C. Oliver, S.E. Sharapov, J.F. Rivero-Rodriguez, M. Fitzgerald, C. Michael, R. Ochoukov, L. Velarde, M. Cecconello, D. Ryan, the MAST-U Team   +10 more
doaj   +1 more source