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Trichuris vulpis (Froelich, 1789) Infection in a Child: A Case Report
Adrian Marquez-Navarro,Gudelio Garcia-Bracamontes,Blanca E. Alvarez-Fernandez,Luz P. Avila-Caballero,Isabel Santos-Aranda,Dylan L. Diaz-Chiguer,Rosa M. Sanchez-Manzano,Elvia Rodriguez-Bataz,Benjamin N 대한기생충학열대의학회 2012 The Korean Journal of Parasitology Vol.50 No.1
Ronald A. Navarro,Annette L. Adams,Charles C. Lin,John Fleming,Ivan A. Garcia,Janet Lee,Mary Helen Black 대한정형외과학회 2020 Clinics in Orthopedic Surgery Vol.12 No.3
Background: To determine patient factors that lead to treatment of meniscal tears with osteoarthritis (OA) with knee arthroscopy (KA) or physical therapy only (PT-only); and to assess differences in clinical outcomes including the time to knee arthroplasty. Methods: Patients aged ≥ 45 years with OA at meniscal tear diagnosis were followed up from the date of surgery (KA) or first PT visit (PT-only) until partial/total knee replacement surgery, death, disenrollment, or end of study. Demographic and clinical characteristics were compared and used to derive propensity scores. A Cox proportional hazards model was used to estimate the risk of knee replacement surgery and greater healthcare utilization associated with KA vs. PT-only. Results: Among 7,026 patients (KA, 69%; PT-only, 31%), 27% had partial or total knee replacement surgery during follow-up. PT-only patients were older and more likely to be women and had more comorbidities. After accounting for differences between groups, the cumulative incidence of knee replacement was modestly but significantly higher for those who received KA than those who underwent PT-only (hazard ratio, 1.30; 95% confidence interval, 1.17–1.44; p < 0.001), although there was no significant difference in health service utilization, narcotic medication dispenses, or knee injections after initiating treatment. Conclusions: For patients with meniscal damage complicated by OA, those who underwent KA were 30% more likely to have partial or total knee replacement surgery at any given time than those who had PT alone.
A non-dimensional theoretical approach to model high-velocity impact on thick woven plates
L. Alonso,D. Garcia-Gonzalez,C. Navarro,S.K. García-Castillo 국제구조공학회 2021 Steel and Composite Structures, An International J Vol.38 No.6
A theoretical energy-based model to capture the mechanical response of thick woven composite laminates, which are used in such applications as maritime or aerospace, to high-velocity impact was developed. The dependences of the impact phenomenon on material and geometrical parameters were analysed making use of the Vaschy-Buckingham Theorem to provide a non-dimensional framework. The model was divided in three different stages splitting the physical interpretation of the perforation process: a first where different dissipative mechanisms such as compression or shear plugging were considered, a second where a transference of linear momentum was assumed and a third where only friction took place. The model was validated against experimental data along with a 3D finite element model. The numerical simulations were used to validate some of the new hypotheses assumed in the theoretical model to provide a more accurate explanation of the phenomena taking place during a high-velocity impact.
E2E Network Slice Management Framework for 5G Multi-tenant Networks
Chirivella-Perez, Enrique Chirivella,Salva-Garcia, Pablo,Sanchez-Navarro, Ignacio,Alcaraz-Calero, Jose,Wang, Qi 한국통신학회 2023 Journal of communications and networks Vol.25 No.3
Network slicing is one of the cornerstone featuresof the fifth generation (5G) networks to enable the multiplexingof virtualised logical networks over the same physical networkinfrastructure for various vertical business services. Architecturesbased on network slicing enable network operators to offer end-to-end (E2E) vertical services whilst assuring fulfilling tailoredservice level agreement (SLA) requirements. Despite the numer-ous benefits that this concept offers, the need for efficient, scalableand holistic E2E management of network slicing significantlycomplicates network operators’ network management and im-poses significant challenges in the quality of service (QoS). Thispaper proposes a novel intent-based slice manager frameworkover a service base 5G architecture that allows flexible definitionsto customise network slices, automates all essential managementtasks for 5G network slice providers, manages the life cycles ofall sorts of network slices, and guarantees their QoS in a unifiednetwork slice management framework. The proposed frameworkis empirically validated in a realistic large-scale 5G multi-tenantinfrastructure. The high scalability of the framework is basedon the empirical results supporting more than 512 physicalmachines, 534288 virtual machines and more than two millionnetwork interfaces.
One-dimensional ordered growth of magneto-crystalline and biocompatible cobalt ferrite nano-needles
Ravichandran, M.,Oza, G.,Velumani, S.,Ramirez, J.T.,Garcia-Sierra, F.,Andrade, N.B.,Garza-Navarro, M.A.,Garcia-Gutierrez, D.I.,Asomoza, R. North-Holland 2014 Materials letters Vol.135 No.-
<P>In this letter, we have reported a novel synthesis of CoFe2O4 nano-needles by a co-precipitation method using precursors of ferric chloride and cobalt nitrate at 80 degrees C. The structural and magnetic properties of as-grown needle-like CoFe2O4 nanostructures exhibit cubic spinel structure. CoFe2O4 nano-needles have an average diameter of 15 nm with an aspect ratio of 30:50, which was depicted by High-resolution transmission electron microscopy (HRTEM). Superconducting Quantum Interference Device (SQUID) confirmed the property of superparamagnetism. The magnetic measurement illustrated that the coercivity (Hc) of CoFe2O4 nano-needles increased from -145.84 Oe at 5 K to -25.38 Oe at 312 K. The cell viability studies of CoFe2O4 nano-needles were performed in the concentration range of 5-1000 mu g/ml on L6 (Skeletal muscle cell lines) and Hep-2 (Larynx carcinoma) cells using 3-(4,5 dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. There was more than 50% cell viability for both the cell lines, but Hep-2 cells were more prone to killing as compared to L6 cells. Such biocompatible nanostructures can be used as drug-delivery systems for cancer therapeutics. (C) 2014 Elsevier B.V. All rights reserved.</P>