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Evangelista, Karine,Cardoso, Lincoln,Toledo, Italo,Gasperini, Giovanni,Valladares-Neto, Jose,Cevidanes, Lucia Helena Soares,de Oliveira Ruellas, Antonio Carlos,Silva, Maria Alves Garcia Korean Academy of Oral and Maxillofacial Radiology 2021 Imaging Science in Dentistry Vol.51 No.1
Purpose: This study was performed to investigate mandibular canal displacement in patients with ameloblastoma using a 3-dimensional mirrored-model analysis. Materials and Methods: The sample consisted of computed tomographic scans of patients with ameloblastoma (n=10) and healthy controls (n=20). The amount of mandibular canal asymmetry was recorded as a continuous variable, while the buccolingual (yaw) and supero-inferior (pitch) directions of displacement were classified as categorical variables. The t-test for independent samples and the Fisher exact test were used to compare groups in terms of differences between sides and the presence of asymmetric inclinations, respectively (P<0.05). Results: The length of the mandibular canal was similar on both sides in both groups. The ameloblastoma group presented more lateral (2.40±4.16 mm) and inferior (-1.97±1.92 mm) positions of the mental foramen, and a more buccal (1.09±2.75 mm) position of the middle canal point on the lesion side. Displacement of the mandibular canal tended to be found in the anterior region in patients with ameloblastoma, occurring toward the buccal and inferior directions in 60% and 70% of ameloblastoma patients, respectively. Conclusion: Mandibular canal displacement due to ameloblastoma could be detected by this superimposed mirrored method, and displacement was more prevalent toward the inferior and buccal directions. This displacement affected the mental foramen position, but did not lead to a change in the length of the mandibular canal. The control group presented no mandibular canal displacement.
Archaeological geophysics: 3D imaging of the Muweilah archaeological site, United Arab Emirates
Evangelista Ryz,Wedepohl Eric Korean Society of Earth and Exploration Geophysici 2004 지구물리와 물리탐사 Vol.7 No.1
The sand-covered Muweilah archaeological site in the United Arab Emirates (UAE) is a unique Iron Age site, and has been subject to intensive investigations. However, excavations are time consuming and may require twenty years to complete. Thus geophysical surveys were undertaken with the objective of characterising the site more expeditiously. This paper presents preliminary results of these surveys. Ground penetrating radar (GPR) was tested as a primary imaging tool, with an ancillary shallow time domain EM (MetalMapper) system. Dense 3D GPR datasets were migrated to produce horizontal (plan view) depth slices at 10 cm intervals, which is conceptually similar to the archaeologists' excavation methodology. The objective was to map all features associated with anthropogenic activity. This required delineating extensive linear and planar features, which could represent infrastructure. The correlation between these and isolated point reflectors, which could indicate anthropogenic activity, was then assessed. Finally, MetalMapper images were used to discriminate between metallic and non-metallic scatterers. The moderately resistive sand cover allowed GPR depth penetration of up to 5 m with a 500 MHz system. GPR successfully mapped floor levels, walls, and isolated anthropogenic activity, but crumbling walls were difficult to track in some cases. From this study, two possible courtyard areas were recognised. The MetalMapper was less successful because of its limited depth penetration of 50 cm. Despite this, the system was still useful in detecting modem-day ferruginous waste and bronze artefacts. The results (subject to ongoing ground-truthing) indicated that GPR was optimal for sites like Muweilah, which are buried under a few metres of sand. The 3D survey methodology proved essential to achieve line-to-line correlation for tracking walls. In performing the surveys, a significant improvement in data quality ensued when survey areas were flattened and de-vegetated. Although MetalMapper surveys were not as useful, they certainly indicated the value of including other geophysical data to constrain interpretation of complex GPR features.
Luciano Evangelista dos Santos Filho,Grazielle Prates Lourenço dos Santos,Jussara Andrade Silva,Fernanda de Abreu Silva,Mirlana Neves Silva,Amanda Alves de Almeida,Raildo da Silva Coqueiro,Cândido Cel 한국식품영양과학회 2023 Journal of medicinal food Vol.26 No.2
This study aimed to evaluate the effects of soy isoflavone supplementation (25 mg/kg) on insulin resistance and inflammation in adipose tissue in an experimental model of menopause–obesity. Twenty-four female Wistar rats were ovariectomized (O) and distributed among the groups: OSD—ovariectomized rats submitted to normocaloric standard diet (n = 6); OHF—ovariectomized rats submitted to high-fat diet (n = 9); and OHFI—ovariectomized rats submitted to high-fat diet with isoflavones (n = 9). Weight gain, body adiposity, food and caloric intake, blood pressure, and glucose tolerance were assessed. After 24 weeks, the rats were euthanized; the thoracic blood collected for serum insulin determination and the homeostatic model assessment-insulin resistance) (HOMA-IR) and homeostatic model assessment-β cell (HOMA-β) indices were calculated. Abdominal adipose tissues were removed, weighed, and fixed for immunohistochemical and morphometric studies. Isoflavones decreased weight gain and blood pressure without changing the food and caloric intake (P < .05). Isoflavones did not affect the weight of the abdominal adipose tissue depots (P < .05). Although they did not alter glucose tolerance, the isoflavones reduced HOMA-IR and HOMA-β, serum insulin levels, in addition to reducing adipocytes' size (P < .05). The number of macrophages, lymphocytes, and crown-like structures in adipose tissue was lower in the group treated with isoflavones (P < .05). In conclusion, our data show that dietary soy isoflavones' supplementation prevents many of well-known deleterious combination of obesity and menopause on metabolism, such as body overweight, adipocyte hypertrophy, and hypertension, as well as insulin resistance and adipose tissue inflammation.
Flexural Behaviour of Reinforced Concrete Beams Made with Fine Recycled Concrete Aggregates
L. Evangelista,J. de Brito 대한토목학회 2017 KSCE Journal of Civil Engineering Vol.21 No.1
Even though in several countries there are regulations allowing, even at a small scale, the use of recycled aggregates in concrete production, practice shows that the cases in which this solution is implemented are still rare. However, in most of these countries the use of the fine Fraction of the Recycled Aggregates (FRA) from general Construction and Demolition Waste (CDW) is restricted or even banned. More recent studies have shown that the use of FRA is feasible and that the resulting mechanical performance is perfectly acceptable. This paper presents the flexural tests performed on reinforced concrete beams made with replacement of natural by recycled fine aggregates, comparing the results obtained in terms of ultimate load and deformation, ductility, bearing capacity and cracking with those from a reference beam, made with conventional concrete.
Luciano Andrei Francio,Fernanda Evangelista Silva,Claudia Scigliano Valerio,Claudia Assunção e Alves Cardoso,Wellington Corrêa Jansen,Flávio Ricardo Manzi 대한영상치의학회 2018 Imaging Science in Dentistry Vol.48 No.2
Purpose: The present study aimed to evaluate which of the following imaging methods best assessed misfit at the tooth-restoration interface: (1) bitewing radiographs, both conventional and digital, performed using a photostimulable phosphor plate (PSP) and a charge-coupled device (CCD) system; (2) panoramic radiographs, both conventional and digital; and (3) cone-beam computed tomography (CBCT). Materials and Methods: Forty healthy human molars with class I cavities were selected and divided into 4 groups according to the restoration that was applied: composite resin, composite resin with liner material to simulate misfit, dental amalgam, and dental amalgam with liner material to simulate misfit. Radiography and tomography were performed using the various imaging methods, and the resulting images were analyzed by 2 calibrated radiologists. The true presence or absence of misfit corresponding to an area of radiolucency in regions subjacent to the esthetic and metal restorations was validated with microscopy. The data were analyzed using a receiver operating characteristic (ROC) curve, and the scores were compared using the Cohen kappa coefficient. Results: For bitewing images, the digital systems (CCD and PSP) showed a higher area under the ROC curve (AUROC) for the evaluation of resin restorations, while the conventional images exhibited a larger AUROC for the evaluation of amalgam restorations. Conventional and digital panoramic radiographs did not yield good results for the evaluation of resin and amalgam restorations (P<.05). CBCT images exhibited good results for resin restorations (P>.05), but showed no discriminatory ability for amalgam restorations (P<.05). Conclusion: Bitewing radiographs (conventional or digital) should be the method of choice when assessing dental restoration misfit.
( Seunghui Baek ),( Lorraine S. Evangelista ),( Youngmee Kim ) 한국스포츠정책과학원(구 한국스포츠개발원) 2018 International Journal of Applied Sports Sciences Vol.30 No.1
Introduction: This study examined physical activity (PA) participation rates and the role of PA in the modification of cardiovascular disease (CVD) risk factors according to types of PA in elderly Korean women using data from 2007 to 2012 from a nationally representative South Korean database.Materials and Method: In total, 3,456 elderly women aged ≥65 years, without CVD, were included in the study. CVD risk was evaluated using both the 10-year Framingham risk score (FRS) and atherogenic index (AI), as well as well-known CVD risk factors such as hypertension, diabetes mellitus, smoking, and hypercholesterolemia.Results: The PA participation rates were 4.7%, 33.9%, and 61.4% for the regular PA, regular walking, and no PA groups, respectively. Multiple linear regression analyses revealed that regular PA and regular walking were associated with a favorable lipid profile and lower AI, after controlling for socio-demographic factors and types of PA. PA did not significantly affect the FRS.Conclusion: This study suggests that regular PA and walking are important in the modification of CVD risk factors among elderly Korean women.
( Angelica Moreno Enriquez ),( Zahaed Evangelista Martinez ),( Luis Servin Gonzalez ),( Maria Elena Flores Carrasco ) 한국미생물 · 생명공학회 2015 Journal of microbiology and biotechnology Vol.25 No.8
The aim of the present work was to examine the putative promoter region of the operon ansPAB and to determine the general elements required for the regulation of transcriptional activity. The transcriptional start site of the ansPAB promoter was determined by using highresolution S1-nuclease mapping. Sequence analysis of this region showed -10 and -35 elements, which were consistent with consensus sequences for R. etli promoters that are recognized by the major form of RNA polymerase containing the σ70 transcription factor. Mutation studies affecting several regions located upstream of the transcriptional start site confirmed the importance of these elements on transcriptional expression.