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Kobayashi, T.,Ida, K.,Inagaki, S.,Tsuchiya, H.,Tamura, N.,Choe, G.H.,Yun, G.S.,Park, H.K.,Ko, W.H.,Evans, T.E.,Austin, M.E.,Shafer, M.W.,Ono, M.,Ló,pez-bruna, D.,Ochando, M.A.,Estrada, T.,Hidalg IOP 2017 Nuclear fusion. Fusion nucléaire. &n.Illiga Vol.57 No.7
<P>In this contribution we analyze modulation electron cyclotron resonance heating (MECH) experiment and discuss higher harmonic frequency dependence of transport coefficients. We use the bidirectional heat pulse propagation method, in which both inward propagating heat pulse and outward propagating heat pulse are analyzed at a radial range, in order to distinguish frequency dependence of transport coefficients due to hysteresis from that due to other reasons, such as radially dependent transport coefficients, a finite damping term, or boundary effects. The method is applied to MECH experiments performed in various helical and tokamak devices, i.e. Large Helical Device (LHD), TJ-II, Korea Superconducting Tokamak Advanced Research (KSTAR), and Doublet III-D (DIII-D) with different plasma conditions. The frequency dependence of transport coefficients are clearly observed, showing a possibility of existence of transport hysteresis in flux-gradient relation.</P>
Use of adipose-derived stem cells in lymphatic tissue engineering and regeneration
Forte, Antonio Jorge,Boczar, Daniel,Sarabia-Estrada, Rachel,Huayllani, Maria T.,Avila, Francisco R.,Torres, Ricardo A.,Guliyeva, Gunel,Aung, Thiha,Quinones-Hinojosa, Alfredo Korean Society of Plastic and Reconstructive Surge 2021 Archives of Plastic Surgery Vol.48 No.5
The potential to differentiate into different cell lines, added to the easy and cost-effective method of extraction, makes adipose-derived stem cells (ADSCs) an object of interest in lymphedema treatment. Our study's goal was to conduct a comprehensive systematic review of the use of ADSCs in lymphatic tissue engineering and regeneration. On July 23, 2019, using PubMed/MEDLINE, Cochrane Clinical Answers, Cochrane Central Register of Controlled Trials, and Embase databases, we conducted a systematic review of published literature on the use of ADSCs in lymphatic tissue engineering and regeneration. There were no language or time frame limitations, and the following search strategy was applied: ((Adipose stem cell) OR Adipose-derived stem cell)) AND ((Lymphedema) OR Breast Cancer Lymphedema). Only original research manuscripts were included. Fourteen studies fulfilled the inclusion criteria. Eleven studies were experimental (in vitro or in vivo in animals), and only three were clinical. Publications on the topic demonstrated that ADSCs promote lymphangiogenesis, and its effect could be enhanced by modulation of vascular endothelial growth factor-C, interleukin-7, prospero homeobox protein 1, and transforming growth factor-β1. Pilot clinical studies included 11 patients with breast cancer-related lymphedema, and no significant side effects were present at 12-month follow-up. Literature on the use of ADSCs in lymphatic tissue engineering and regeneration demonstrated promising data. Clinical evidence is still in its infancy, but the scientific community agrees that ADSCs can be useful in regenerative lymphangiogenesis. Data collected in this review indicate that unprecedented advances in lymphedema treatment can be anticipated in the upcoming years.
Plasma Breakdown using Second Harmonic EC Waves in Helical Devices
Kazunobu Nagasaki,A. Cappa,A. Fernandez,D. Tafalla,E. de la Cal,F. Tabares,F. Sano,F. Castejon,H. Shidara,H. Okada,K. Kondo,K. Takahashi,S. Kobayashi,T. Mizuuchi,T. Estrada,V. Tribaldos,Y. Yoshimura 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
Plasma breakdown using second-harmonic electron cyclotron (EC) waves has been studied experimentally in three helical devices, Heliotron J, TJ-II and CHS. Recent technological progress on electron cyclotron heating (ECH) systems enables us to determine what the important factors for second-harmonic plasma breakdown are. Comparison of the experimental results among three devices shows a common feature that the plasma starts up from the good confinement region and strongly depends on the nonlinear interactions with the electric field of the local beam rather than the multi-reflected field. This suggests that the confinement of high energy electrons generated by ECH has a dominant role in second-harmonic plasma breakdown.