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Recent introduction of Gracilaria parvispora (Gracilariales, Rhodophyta) in Baja California, Mexico
Garcí,a-Rodrí,guez, Luis Daniel,Riosmena-Rodrí,guez, Rafael,Kim, Su Yeon,Ló,pez-Meyer, Melina,Orduñ,a-Rojas, Javier,Ló,pez-Vivas, Juan Manuel,Boo, Sung Min Walter de Gruyter GmbH 2013 Botanica marina Vol.56 No.2
Numerical model of a planar jet wiping system for continuous strip lines
Celia Miguel-González,Manuel García-Díaz,Bruno Pereiras,Miguel Vigil,Alejandro Rodríguez de Castro 대한기계학회 2021 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.35 No.7
The present study focuses on the numerical modelling of gas-jet wiping process. Many processes involving liquids are necessary during steel manufacturing, such as cooling, lubrication or cleaning. Satisfactory processes for removing the liquid are critical for the quality of the product obtained as well as for avoiding a product rejection in strip lines such as tandem mills and tinning lines. One the most widespread drying technology used is based on planar air-knives or nozzle rows which wipe the liquid out from the steel strip by creating an aerodynamic barrier. The objective of this paper is to analyze the performance of a simple air knife based on an inclined planar jet that is commonly used in many commercial or in-house built devices. A CFD model developed by using commercial software ANSYS FLUENT® was built in order to evaluate the wiping system depending on the type of feeding: central and lateral.
José De La Cruz-Agüero,Francisco Javier García-Rodríguez,Víctor Manuel Cota-Gómez,Felipe Neri Melo-Barrera,Rogelio González-Armas 한국해양과학기술원 2012 Ocean science journal Vol.47 No.2
Fresh and preserved (type material) specimens of the black ghost chimaera Hydrolagus melanophasma were compared for morphometric characteristics. A molecular comparison was also performed on two mitochondrial gene sequences (12S rRNA and 16S rRNA gene sequences). While significant differences in measurements were found, the differences were not attributable to sexual dimorphism or the quality of the specimens, but to the sample size and the type of statistical tests. The result of the genetic characterization showed that 12S rRNA and 16S rRNA genes represented robust molecular markers that characterized the species.
Luis Alberto Ortega-Porcayo,Andres Leal-López,Miroslava Elizabeth Soriano-López,Carlos Francisco Gutiérrez-Partida,Luis Rodolfo Ramírez-Barrios,Sergio Soriano-Solis,Manuel Rodríguez-García,Hector Anto 대한척추외과학회 2018 Asian Spine Journal Vol.12 No.2
Study Design: Retrospective comparative clinical study. Purpose: This study aimed to assess paraspinal muscle atrophy in patients who underwent minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) and unilateral pedicle screw fixation using a novel contralateral intact muscle-controlled model. Overview of Literature: The increased incidence of paravertebral lumbar muscle injuries after open techniques has raised the importance of implementing minimally invasive spine surgical techniques using tubular retractors and minimally invasive screw placement. The functional cross-sectional area (FCSA) represents the lean muscle mass; furthermore, FCSA is a useful marker of the contractile ability of a muscle following a spine surgery. However, the benefits of unilateral fixation and MI-TLIF on paraspinal muscles have not been defined. Methods: We performed a retrospective imagenological review on eleven patients who underwent unilateral MI-TLIF and unilateral transpedicular screw lumbar placement. FCSAs of the multifidus and erector spinae were measured 1 year after surgery at adjacent levels and were compared to the contralateral intact muscles. Measurement differences between the surgical and nonsurgical sites were compared. The interobserver reliability was calculated using an intraclass correlation coefficient. Results: The mean FCSA at the surgical site was 20.97±5.07 cm2 at the superior level and 8.89±2.87 cm2 at the inferior level. The mean FCSA at the contralateral nonsurgical site was 20.15±5.95 cm2 at the superior level and 9.20±2.66 cm2 at the inferior level was. The superior and inferior FCSA measurements showed no significant difference between the surgical and nonsurgical sites (p =0.5, p =0.922, respectively). Conclusions: Using a mini-open tubular approach through the sulcus between the longissimus and iliocostalis, MI-TLIF and unilateral pedicle screw instrumentation produced minimal paraspinal muscle damage at the superior and inferior adjacent levels.
Cleto Alvarez-Aguilar,Maria Lucia Enrí,quez-Ramí,rez,Benigno Figueroa-Nuñ,ez,Anel Gó,mez-Garcí,a,Ernesto Rodrí,guez-Ayala,Cristina Morá,n-Moguel,Victor Manuel 생화학분자생물학회 2007 Experimental and molecular medicine Vol.39 No.3
Metabolic Syndrome (MS) is recognized as a cluster of cardiovascular risk factors. All components of MS have a genetic base. Genes of the renin angiotensin system are potential candidate genes for MS. We investigated whether angiotensin converting en-zyme (ACE) gene polymorphism increases suscep-tibility to MS as an entity in a Mexican population. In a cross-sectional study, 514 individuals were studied including 245 patients with MS and 269 subjects without MS criteria. ACE gene polymorphism was detected using PCR. MS was defined according to The National Cholesterol Education Program Expert Blood Cholesterol in Adults (Adult Treatment Panel III) criteria, except that the raised fasting plasma glucose ≥100 mg/dl criterion for identification of intolerance fasting glucose was modified in accordance with the suggestion of the American Diabetes Association. Patients with MS were sig - nificantly different from subjects without MS in relation to mean body mass index (BMI), waist circumference (WC), systolic blood pressure, diastolic blood pressure, glucose, total cholesterol (C), triglycerides, HDL-C, and LDL-C (P<0.0001). The differences in the mean BMI, WC, glucose, total cholesterol, triglycerides, LDL-C, and HDL-C were maintained in patients with the MS and DD genotypes (P<0.01). The DD genotype was strongly asso - ciated with MS (adjusted OR = 5.48, 95% CI 3.20-9.38, P<0.0001). We concluded that the DD genotype increases susceptibility to MS in a Mexican pop - ulation. These results indicate that pharmacological and non-pharmacological treatment and a reduction in body fat will have important therapeutic im - plications in this disease.