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Lutz, M.F.M.,Lange, J.S.,Pennington, M.,Bettoni, D.,Brambilla, N.,Crede, V.,Eidelman, S.,Gillitzer, A.,Gradl, W.,Lang, C.B.,Metag, V.,Nakano, T.,Nieves, J.,Neubert, S.,Oka, M.,Olsen, S.L.,Pappagallo, North Holland Pub. Co 2016 Nuclear physics. A Vol.948 No.-
<P>We report on the EMMI Rapid Reaction Task Force meeting 'Resonances in QCD', which took place at GSI October 12-14,2015. A group of 26 people met to discuss the physics of resonances in QCD. The aim of the meeting was defined by the following three key questions: What is needed to understand the physics of resonances in QCD? Where does QCD lead us to expect resonances with exotic quantum numbers? What experimental efforts are required to arrive at a coherent picture? For light mesons and baryons only those with up, down and strange quark content were considered. For heavy-light and heavy-heavy meson systems, those with charm quarks were the focus. This document summarizes the discussions by the participants, which in turn led to the coherent conclusions we present here. (C) 2016 Elsevier B.V. All rights reserved.</P>
( Johannes F. Plate ),( John S. Shields ),( Maxwell K. Langfitt ),( Michael P. Bolognesi ),( Jason E. Lang ),( Thorsten M. Seyler ) 대한고관절학회 2017 Hip and Pelvis Vol.29 No.4
Purpose: The Paprosky classification system of acetabular defects is complex and its reliability has been questioned. The purpose of this study was to evaluate the effectiveness of different radiologic imaging modalities in classifying acetabular defects in revision total hip arthroplasty (THA) and their value of at different levels of training. Materials and Methods: Bone defects in 8 revision THAs were classified by 2 fellowship-trained adult reconstruction surgeons. A timed presentation with representative images for each case (X-ray, two-dimensional computed tomography [CT] and three-dimensional [3D] reconstructions) was shown to 35 residents from the first postgraduate year of training year of training (PGY-1 to PGY-5), 2 adult reconstruction fellows and 2 attending orthopaedic surgeons. The Paprosky classification of bone defects was recorded. The influence of image modality and level of training on classification were analyzed using chi-square analysis (alpha=0.05). Results: Overall correct classification was 30%. The level of training had no influence on correct classification (P=0.531). Using X-ray led to 37% correctly identified defects, CT scans to 33% and 3D reconstructions to 20% of correct answers (P<0.001). There was no difference in correct classification based defect type (P<0.001). Regardless of level of training or imaging, 64% of observers recognized type 1 defects, compared to only 16% correct recognition of type 3B defects. Conclusion: Using plain X-rays led to an increased number of correct classification, while regular CT scan and 3D CT reconstructions did not improve accuracy. The classification system of acetabular defects can be used for treatment decisions; however, advanced imaging may not improve its utilization.
Adverse effects following dental local anesthesia: a literature review
Ho, Jean-Pierre T.F.,van Riet, Tom C.T.,Afrian, Youssef,Chin Jen Sem, Kevin T.H.,Spijker, Rene,de Lange, Jan,Lindeboom, Jerome A. The Korean Dental Society of Anesthsiology 2021 Journal of Dental Anesthesia and Pain Medicine Vol.21 No.6
Local anesthesia is indispensable in dentistry. Worldwide, millions of local anesthetic injections are administered annually, and are generally considered safe invasive procedures. However, adverse effects are possible, of which dentists should be aware of. This scoping review aimed to provide an extensive overview of the reported literature on the adverse effects of dental local anesthesia. The types of papers, what is reported, and how they are reported were reviewed. Additionally, the incidence and duration of adverse effects and factors influencing their occurrence were also reviewed. An electronic search for relevant articles was performed in PubMed and Embase databases from inception to January 2, 2020. The titles and abstracts were independently screened by two reviewers. The analysis was narrative, and no meta-analysis was performed. This study included 78 articles. Ocular and neurological adverse effects, allergies, hematomas, needle breakage, tissue necrosis, blanching, jaw ankylosis, osteomyelitis, and isolated atrial fibrillation have been described. Multiple adverse effects of dental local anesthesia have been reported in the literature. The results were heterogeneous, and detailed descriptions of the related procedures were lacking. Vital information concerning adverse effects, such as the dosage or type of anesthetic solution, or the type of needle used, was frequently missing. Therefore, high-quality research on this topic is needed. Finally, the adverse effects that are rarely encountered in real-world general practice are overrepresented in the literature.
Channel stamping 법으로 전이된 Cu pattern의 형상
이영훈,곽재찬,강봉석,김희철,최병호,Lange, F.F. 國立金烏工科大學校 産業技術開發硏究院 2002 産業技術開發硏究 Vol.18 No.-
A matallo-organic solution was stamped from the channels of a polymer stamp onto a glass. The precursor solution consisted of copper 2-ethylhexanonate, 2-ethoxyethanol as a solvent and ethylene glycol to improve surface energies. The solution was deposited to the polymer stamp by spin coater. After drying the solution in channels of the stamp, the dried ink was transferred to a substrate by debonding from channels. The process parameters such as solution compositions and pressing methods were discussed experimentally to form a copper pattern whose morphology was excellent.
Role of Gap Junctions in the Endothelium-Dependent Hyperpolarization of Vascular Smooth Muscle Cells
Yoshimichi Yamamoto,Megan F. Klemm,Hikaru Hashitani,Richard J. Lang,Tsuyoshi Soji.,Hikaru Suzuki 대한생리학회-대한약리학회 2001 The Korean Journal of Physiology & Pharmacology Vol.5 No.1
<P> Hyperpolarization of arterial smooth muscle by acetylcholine is considered to be produced by the release of an unidentified chemical substance, an endothelium-derived hyperpolarizing factor (EDHF). Several chemicals have been proposed as the candidate for EDHF. However, none of them fulfil completely the nature and property of EDHF. Ultrastructural observation with electron microscope reveals that in some arteries, gap junctions are formed between endothelial and smooth muscle cells. In small arterioles, injection of gap junction permeable dyes into an endothelial cell results in a distribution of the dye to surrounding cells including smooth muscle cells. These observations allow the speculation that myoendothelial gap junctions may have a functional significance. Simultaneous measurement of the electrical responses in both endothelial and smooth muscle cells using the double patch clamp method demonstrates that these two cell types are indeed electrically coupled, indicating that they behave as a functional syncytium. The EDHF-induced hyperpolarization is produced by an activation of Ca<SUP>2</SUP>-sensitive K<SUP></SUP>-channels that are inhibited by charybdotoxin and apamin. Agonists that release EDHF increase [Ca<SUP>2</SUP>]<SUB>i</SUB> in endothelial cells but not in smooth muscle cells. Inhibition of gap junctions with chemical agents abolishes the agonist- induced hyperpolarization in smooth muscle cells but not in endothelial cells. All these observations can be explained if EDHF is an electrotonic signal propagating from endothelium to smooth muscle cells through gap junctions.
Complex Multicolor Tilings and Critical Phenomena in Tetraphilic Liquid Crystals
Zeng, X.,Kieffer, R.,Glettner, B.,Nurnberger, C.,Liu, F.,Pelz, K.,Prehm, M.,Baumeister, U.,Hahn, H.,Lang, H.,Gehring, G. A.,Weber, C. H. M.,Hobbs, J. K.,Tschierske, C.,Ungar, G. American Association for the Advancement of Scienc 2011 Science Vol.331 No.6022
<P>T-shaped molecules with a rod-like aromatic core and a flexible side chain form liquid crystal honeycombs with aromatic cell walls and a cell interior filled with the side chains. Here, we show how the addition of a second chain, incompatible with the first (X-shaped molecules), can form honeycombs with highly complex tiling patterns, with cells of up to five different compositions ('colors') and polygonal shapes. The complexity is caused by the inability of the side chains to separate cleanly because of geometric frustration. Furthermore, a thermoreversible transition was observed between a multicolor (phase-separated) and a single-color (mixed) honeycomb phase. This is analogous to the Curie transition in simple and frustrated ferro- and antiferromagnets; here spin flips are replaced by 180° reorientations of the molecules.</P>
Lin, Yuanhsu,Tseng, Ming-Lang,Chiu, Anthony S.F.,Wang, Ray Korean Institute of Industrial Engineers 2014 Industrial Engineeering & Management Systems Vol.13 No.1
Evaluation of the implementation and performance of a firm's green supply chain management (GSCM) is an ongoing process. Balanced scorecard is a multi-criteria evaluation concept that highlights implementation and performance measures. The literature on the framework is abundant literature but scarce on how to build a hierarchical framework under uncertainty with dependence relations. Hence, this study proposes a hybrid approach, which includes applied interpretive structural modeling to build a hierarchical structure and uses the analytic network process to analyze the dependence relations. Additionally, this study applies the fuzzy set theory to determine linguistic preferences. Twenty dependence criteria are evaluated for a GSCM implemented firm in Taiwan. The result shows that the financial aspect and life cycle assessment are the most important performance and weighted criteria.
Cyanophora paradoxa Genome Elucidates Origin of Photosynthesis in Algae and Plants
Price, D. C.,Chan, C. X.,Yoon, H. S.,Yang, E. C.,Qiu, H.,Weber, A. P. M.,Schwacke, R.,Gross, J.,Blouin, N. A.,Lane, C.,Reyes-Prieto, A.,Durnford, D. G.,Neilson, J. A. D.,Lang, B. F.,Burger, G.,Steiner American Association for the Advancement of Scienc 2012 Science Vol.335 No.6070
Hong, S,Zollner, S,Lynch, D.W,Canfield, P.C,Lee, S.J,Lange, R.J,Harmon, B.N,Panchula, A.F 公州大學校 基礎科學硏究所 1998 自然科學硏究 Vol.7 No.-
We have studied the diagonal and off-diagonal optical conductivity of a LuFe2 single crystal grown by the flux method. Using spectroscopic ellipsometry we have measured the dielectric function from 1.5 to 5.5 eV. The magneto-optical parameters (Kerr rotation and ellipticity) from 1.4 to 4.0 eV were obtained using a magneto-optical polar Kerr spectrometer at temperatures between 7 and 295 K and applied magnetic fields up to 1.2T which fully saturates the magnetic moment of LuFe2. We describe the apparatus and evaluate the off-diagonal conductivity components from the data. Theoretical calculations of optical conductivities and magneto-optical parameters were performed using the tight binding-linear muffin tin orbitals method within the local spin density approximation. When lifetime broadening is included, the calculations agree well with the experimental data.