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Clariza Mendoza,Dorothy Pascual,Patrick Ruedas 동덕여자대학교 한중미래연구소 2018 한중미래연구 Vol.11 No.-
지난 수 십 년 간 중국은 아프리카 대륙에 많은 관여정책을 추진해왔다. 중국과 아프리카의 경제 관계는 상당한 진전을 이룩했고 이는 특히 1988년 외교관계를 수립한 중국-남아프리카공화국 관계에서 두드러진다. 많은 학자들은 중국이 아프리카에 지니는 관심을 안정적인 에너지와 천연자원 확보라는 전략을 통해 설명하고 있다. 이 논문은 중국과 남아프리카공화 국 관계를 두 나라의 역사, 경제, 정치 관계를 통해 되돌아보고 이들이 제공하는 도전과 기회 그리고 미래에 미치는 영향을 살펴보고 있다. During the last couple of decades, China has found itself engaging further and more deeply with the African continent. The economic relations seemed to have improved significantly for most African countries, and in particular for South Africa, which officially established diplomatic relations with the People’s Republic of China in 1998. Since then, bilateral relations between South Africa and China has remarkably deepened. Most scholars suggest China’s reason for engagement in Africa is to satisfy its energy and raw material needs. This paper aims to describe China-South Africa relations by referring to its history, and to analyze its current economic and political relations, identifying the opportunities, challenges, and effects that arise from the relationship.
Ji Kang, Hae,Bennett, Shannon N.,Dizney, Laurie,Sumibcay, Laarni,Arai, Satoru,Ruedas, Luis A.,Song, Jin-Won,Yanagihara, Richard Elsevier 2009 Virology Vol.388 No.1
<P><B>Abstract</B></P><P>A genetically distinct hantavirus, designated Oxbow virus (OXBV), was detected in tissues of an American shrew mole (<I>Neurotrichus gibbsii</I>), captured in Gresham, Oregon, in September 2003. Pairwise analysis of full-length S- and M- and partial L-segment nucleotide and amino acid sequences of OXBV indicated low sequence similarity with rodent-borne hantaviruses. Phylogenetic analyses using maximum-likelihood and Bayesian methods, and host–parasite evolutionary comparisons, showed that OXBV and Asama virus, a hantavirus recently identified from the Japanese shrew mole (<I>Urotrichus talpoides</I>), were related to soricine shrew-borne hantaviruses from North America and Eurasia, respectively, suggesting parallel evolution associated with cross-species transmission.</P>
A rare case of implant displacement to the contralateral side after gluteal augmentation
Rueda, Juan Dario Alviar,Miranda-Diaz, Audrey Jose,Cely, Adriana Gonzalez,Leon, Diana Carolina Navarro Korean Society of Plastic and Reconstructive Surge 2020 Archives of Plastic Surgery Vol.47 No.4
In this report, we present a rare case of solid silicone implant displacement to the contralateral side after aesthetic gluteal augmentation, a phenomenon that has never been reported before in the literature. A 29-year-old woman with a history of gluteal augmentation 9 months previously and soft tissue infection presented for a consultation due to 3 days of sudden progressive pain in the right gluteus with erythema and edema, without a history of trauma. Displacement of the left gluteal implant to the right gluteal pocket was shown by magnetic resonance imaging. Because the patient refused implant removal, the decision was made to perform capsulotomy, to reconstruct the gluteal pockets, and to preserve the implants. The patient showed a satisfactory early and late postoperative course. Possible causes of this complication include poor surgical technique, with insufficient tissue preservation to keep the pockets apart, and the presence of seroma or hematoma that favored an infectious process, thereby leading to deterioration of the dissected soft tissues with dehiscence of the wound favoring the displacement of the implant.
Rueda Pérez E.A.,Regalado-Pérez E.,Cerdán-Pasarán Andrea,Avilez García R.G.,Mathews N.R. 한국물리학회 2023 Current Applied Physics Vol.47 No.-
This work presents one-step electrodeposition of antimony sulfide selenide (Sb2(SxSe1-x)3) thin films on fluorine doped SnO2 substrates. Based on the cyclic voltammetry studies the Sb2(SxSe1-x)3 absorber layers were deposited at different potentials in the range of -0.6 to -0.72 V vs. saturated calomel electrode. The deposited films were uniform and well adhered to the substrate. The effects of the deposition potential and the post-deposition annealing treatment on the physical and chemical properties of the films were analyzed using X-ray diffraction (XRD), Raman spectroscopy, atomic force microscopy, scanning electron microscopy, and UV–visible–NIR spectroscopy. The films were crystallized in an orthorhombic crystal structure and the formation of ternary material without any impurity phases was clear from the XRD. The optical band gap of Sb2(SxSe1-x)3 decreased with the increase of the Se concentration in the films. The Mott Schottky plot showed negative slope characteristic of p-type materials. A larger carrier concentration was obtained for films deposited at more negative potentials due to their higher Se content. Solar cells modeled on experimental data of Sb2(SxSe1-x)3 thin films were investigated via device simulation using SCAPS-1D software. The FTO/Sb2(SxSe1-x)3/SnS2 structure showed an efficiency of 11.5%, demonstrating the feasibility of SnS2 as a cadmium-free alternative to the traditional CdS buffer layer.
First report of splenic myelolipoma in a Schnauzer in Colombia: case report
Valentina Rueda-García,Nicolas Carrillo-Godoy,Carlos Alberto Bonilla-Gutiérrez,Alejandra Valdivieso-Valencia,Iang Schroniltgen Rondón-Barragán 대한수의학회 2022 大韓獸醫學會誌 Vol.62 No.4
Splenic myelolipoma is a rare tumor in dogs with an unclear origin. A male 13-year-old Schnauzer dog was presented because of a bump on the left side of the abdomen. Clinical examination and abdominal ultrasound revealed a mass in the spleen. A total splenectomy was carried out, and histopathology revealed a splenic myelolipoma. Before surgery, the patient showed high serum alanine aminotransferase levels, which returned to normal eight months after the resection. Unfortunately, the postoperative follow-up showed increased serum cholesterol and triglyceride levels, suggesting liver compromise. This is the first report of a splenic myelolipoma in Colombia.
A Self-consistent Approach to Neutron Stars
Jorge A. Rueda,M. Rotondo,Remo Ruffini,S.-S. Xue 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.57 No.31
We present a set of equilibrium equations for a self-gravitating system of degenerate neutrons, protons and electrons in beta equilibrium in the framework of relativistic quantum statistics and the Einstein-Maxwell equations. Special emphasis is given to the crucial role of the constancy of the generalized Fermi energy of particles, from which we formulate the general relativistic version of the Thomas-Fermi equation. We discuss briefly the consequences of this approach in the general case of neutron star configurations with a core and a crust.
Papaya Ringspot Virus Coat Protein Gene for Antigen Presentation in Escherichia coli
Chatchen, Supawat,Juricek, Mila,Rueda, Paloma,Kertbundit, Sunee Korean Society for Biochemistry and Molecular Biol 2006 Journal of biochemistry and molecular biology Vol.39 No.1
The coat protein (CP) of Papaya ringspot virus (PRSV) was analyzed for presentation of the antigenic peptide of animal virus, Canine parvovirus (CPV), in Escherichia coli (E. coli). The 45 nucleotides fragment coding for the 15-aa peptide epitope of the CPV-VP2 protein was either inserted into the PRSV-cp gene at the 5', 3' ends, both 5' and 3' ends or substituted into the 3' end of the PRSV cp gene. Each of the chimeric PRSV cp genes was cloned into the pRSET B vector under the control of the T7 promoter and transformed into E. coli. The recombinant coat proteins expressed from different chimeric PRSV-cp genes were purified and intraperitoneally injected into mice. All of the recombinant coat proteins showed strong immunogenicity and stimulate mice immune response. The recombinant coat proteins containing the CPV epitope insertion at the C terminus and at both N and C termini elicited ten times higher specific antisera in immunized mice compared with the other two recombinant coat proteins which contain the CPV epitope insertion at the N terminus and substitution at the C terminus.