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클라우디우 코스타 피녜이루(Claudio Costa Pinheiro),나지원(번역자) 서울대학교 아시아연구소 2016 아시아리뷰 Vol.6 No.1
지역학은 특정 공간에 대한 학제적 연구에 전념하는 지식인의 역량을 개발해주지만 동시에 학자들을 자족하는 현실에 가둬놓을 수도 있다. 또한 북대서양에서 생산된 지식이 이 분야를 압도하는 현실을 정당화하고 결과적으로 탈식민 시대 주변부들 간의 지적 관찰을 저해한다. 이 글은 아시아에 대한 라틴 아메리카의 호기심을 역사적으로 개괄하면서 북반구(구미)의 분석틀이 가진 패권적 지위에 의문을 제기하며 아시아 지역학을 탈지역화하는 데에 일조한다. 그 호기심은 여러 단계를 거쳤다. 첫째, 처음에는 식민제국의 관점을 모방하는 오리엔탈리즘적 접근법을 통해, 이후에는 개발과 근대성 이론을 통해 정의되었다. 둘째, 19세기에는 귀족적이고 두서없는 호기심에서 출발했지만 제2차 세계대전 이후에는 전문적인 학문의 관심 대상이 되었다. 끝으로 세계 주변부 사이의 산발적인 연관관계에서 근대화의 대안적 모델로 변화했다. 필자는 남반구(Global South), 특히 라틴아메리카와 아프리카에서 아시아 지역연구의 제도화를 지원함으로써 이 분야가 진일보할 수 있고 아시아 지역학이 탈중심화될 수 있으며 학제 간 논의가 촉진될 수 있다고 주장한다.
Costa, Andre Luiz Ferreira,Caliento, Rubens,da Rocha, Glauber Bareia Liberato,Gomes, Joao Pedro Perez,Mansmith, Alison Jhisel Calle,de Freitas, Claudio Froes,Braz-Silva, Paulo Henrique Korean Academy of Oral and Maxillofacial Radiology 2017 Imaging Science in Dentistry Vol.47 No.4
Foreign body granulomas can develop after the injection of various cosmetic filling materials into the facial area to flatten wrinkles. Clinically, reactive lesions are easily mistaken for soft-tissue neoplasms or cysts. This report presents a case of foreign body granuloma in a 52-year-old female patient complaining of a painless swelling in the nasolabial region. Both clinical and histological features are described, underscoring the diagnostic role of magnetic resonance imaging findings.
Andre Luiz Ferreira Costa,Rubens Caliento,Glauber Bareia Liberato da Rocha,Joao Pedro Perez Gomes,Alison Jhisel Calle Mansmith,Claudio Froes de Freitas,Paulo Henrique Braz-Silva 대한영상치의학회 2017 Imaging Science in Dentistry Vol.47 No.4
Foreign body granulomas can develop after the injection of various cosmetic filling materials into the facial area to flatten wrinkles. Clinically, reactive lesions are easily mistaken for soft-tissue neoplasms or cysts. This report presents a case of foreign body granuloma in a 52-year-old female patient complaining of a painless swelling in the nasolabial region. Both clinical and histological features are described, underscoring the diagnostic role of magnetic resonance imaging findings.
Factor Analysis of Linear Type Traits and Their Relation with Longevity in Brazilian Holstein Cattle
Kern, Elisandra Lurdes,Cobuci, Jaime Araujo,Costa, Claudio Napolis,Pimentel, Concepta Margaret McManus Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.6
In this study we aimed to evaluate the reduction in dimensionality of 20 linear type traits and more final score in 14,943 Holstein cows in Brazil using factor analysis, and indicate their relationship with longevity and 305 d first lactation milk production. Low partial correlations (-0.19 to 0.38), the medium to high Kaiser sampling mean (0.79) and the significance of the Bartlett sphericity test (p<0.001), indicated correlations between type traits and the suitability of these data for a factor analysis, after the elimination of seven traits. Two factors had autovalues greater than one. The first included width and height of posterior udder, udder texture, udder cleft, loin strength, bone quality and final score. The second included stature, top line, chest width, body depth, fore udder attachment, angularity and final score. The linear regression of the factors on several measures of longevity and 305 d milk production showed that selection considering only the first factor should lead to improvements in longevity and 305 milk production.
Padilha, Alessandro Haiduck,Cobuci, Jaime Araujo,Costa, Claudio Napolis,Neto, Jose Braccini Asian Australasian Association of Animal Productio 2016 Animal Bioscience Vol.29 No.6
The aim of this study was to compare two random regression models (RRM) fitted by fourth ($RRM_4$) and fifth-order Legendre polynomials ($RRM_5$) with a lactation model (LM) for evaluating Holstein cattle in Brazil. Two datasets with the same animals were prepared for this study. To apply test-day RRM and LMs, 262,426 test day records and 30,228 lactation records covering 305 days were prepared, respectively. The lowest values of Akaike's information criterion, Bayesian information criterion, and estimates of the maximum of the likelihood function (-2LogL) were for $RRM_4$. Heritability for 305-day milk yield (305MY) was 0.23 ($RRM_4$), 0.24 ($RRM_5$), and 0.21 (LM). Heritability, additive genetic and permanent environmental variances of test days on days in milk was from 0.16 to 0.27, from 3.76 to 6.88 and from 11.12 to 20.21, respectively. Additive genetic correlations between test days ranged from 0.20 to 0.99. Permanent environmental correlations between test days were between 0.07 and 0.99. Standard deviations of average estimated breeding values (EBVs) for 305MY from $RRM_4$ and $RRM_5$ were from 11% to 30% higher for bulls and around 28% higher for cows than that in LM. Rank correlations between RRM EBVs and LM EBVs were between 0.86 to 0.96 for bulls and 0.80 to 0.87 for cows. Average percentage of gain in reliability of EBVs for 305-day yield increased from 4% to 17% for bulls and from 23% to 24% for cows when reliability of EBVs from RRM models was compared to those from LM model. Random regression model fitted by fourth order Legendre polynomials is recommended for genetic evaluations of Brazilian Holstein cattle because of the higher reliability in the estimation of breeding values.
Campos, Rafael Viegas,Cobuci, Jaime Araujo,Kern, Elisandra Lurdes,Costa, Claudio Napolis,McManus, Concepta Margaret Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.4
The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared in 495 herds in Brazil. Restricted maximum likelihood with a bivariate model was used for estimation genetic parameters, including fixed effects of herd-year of classification, period of classification, classifier and stage of lactation for linear type traits and herd-year of calving, season of calving and lactation order effects for production traits. The age of cow at calving was fitted as a covariate (with linear and quadratic terms), common to both models. Heritability estimates varied from 0.09 to 0.38 for linear type traits and from 0.17 to 0.24 for production traits, indicating sufficient genetic variability to achieve genetic gain through selection. In general, estimates of genetic correlations between type and production traits were low, except for udder texture and angularity that showed positive genetic correlations (>0.29) with MY, FY, and PY. Udder depth had the highest negative genetic correlation (-0.30) with production traits. Selection for final score, commonly used by farmers as a practical selection tool to improve type traits, does not lead to significant improvements in production traits, thus the use of selection indices that consider both sets of traits (production and type) seems to be the most adequate to carry out genetic selection of animals in the Brazilian herd.
Oliveira, Samanta V.,Vellei, Renata S.,Heguedusch, Daniele,Domaneschi, Carina,Costa, Claudio,Gallo, Camila de Barros Korean Academy of Oral and Maxillofacial Radiology 2021 Imaging Science in Dentistry Vol.51 No.-
Tooth extraction after head and neck radiotherapy exposes patients to an increased risk for osteoradionecrosis of the jaw. This study reports the results of a radiographic analysis of bone neoformation after tooth extraction in a case series of patients who underwent radiation therapy. No patients developed osteoradionecrosis within a follow-up of 1 year. Complete mucosal repair was observed 30 days after surgery, while no sign of bone formation was observed 2 months after the dental extractions. Pixel intensity and fractal dimension image analyses only showed significant bone formation 12 months after the tooth extractions. These surgical procedures must follow a strict protocol that includes antibiotic prophylaxis and therapy and complete wound closure, since bone formation at the alveolar socket occurs at a slower pace in patients who have undergone head and neck radiotherapy.
Rafael Viegas Campos,Jaime Araujo Cobuci,Elisandra Lurdes Kern,Claudio Napolis Costa,Concepta Margaret McManus Pimentel 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.4
The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared in 495 herds in Brazil. Restricted maximum likelihood with a bivariate model was used for estimation genetic parameters, including fixed effects of herd-year of classification, period of classification, classifier and stage of lactation for linear type traits and herd-year of calving, season of calving and lactation order effects for production traits. The age of cow at calving was fitted as a covariate (with linear and quadratic terms), common to both models. Heritability estimates varied from 0.09 to 0.38 for linear type traits and from 0.17 to 0.24 for production traits, indicating sufficient genetic variability to achieve genetic gain through selection. In general, estimates of genetic correlations between type and production traits were low, except for udder texture and angularity that showed positive genetic correlations (>0.29) with MY, FY, and PY. Udder depth had the highest negative genetic correlation (–0.30) with production traits. Selection for final score, commonly used by farmers as a practical selection tool to improve type traits, does not lead to significant improvements in production traits, thus the use of selection indices that consider both sets of traits (production and type) seems to be the most adequate to carry out genetic selection of animals in the Brazilian herd.
Oliveira Samanta V.,Vellei Renata S.,Heguedusch Daniele,Domaneschi Carina,Costa Claudio,de Barros Gallo Camila 대한영상치의학회 2021 Imaging Science in Dentistry Vol.51 No.3
Tooth extraction after head and neck radiotherapy exposes patients to an increased risk for osteoradionecrosis of the jaw. This study reports the results of a radiographic analysis of bone neoformation after tooth extraction in a case series of patients who underwent radiation therapy. No patients developed osteoradionecrosis within a follow-up of 1 year. Complete mucosal repair was observed 30 days after surgery, while no sign of bone formation was observed 2 months after the dental extractions. Pixel intensity and fractal dimension image analyses only showed significant bone formation 12 months after the tooth extractions. These surgical procedures must follow a strict protocol that includes antibiotic prophylaxis and therapy and complete wound closure, since bone formation at the alveolar socket occurs at a slower pace in patients who have undergone head and neck radiotherapy.
Kim Jun Ho,Reinaldo Abdala-Júnior,Luciana Munhoz,Arthur Rodriguez Gonzalez Cortes,Plauto Christopher Aranha Watanabe,Claudio Costa,Emiko Saito Arita 대한영상치의학회 2020 Imaging Science in Dentistry Vol.50 No.2
Purpose: This study compared 2 cone-beam computed tomography (CBCT) systems in the detection of mechanically simulated peri-implant buccal bone defects in dry human mandibles. Materials and Methods: Twenty-four implants were placed in 7 dry human mandibles. Peri-implant bone defects were created in the buccal plates of 16 implants using spherical burs. All mandibles were scanned using 2 CBCT systems with their commonly used acquisition protocols: i-CAT Gendex CB-500 (Imaging Sciences, Hatfield, PA, USA; field of view [FOV], 8 cm×8 cm; voxel size, 0.125 mm; 120 kVp; 5 mA; 23 s) and Orthopantomograph OP300 (Intrumentarium, Tuusula, Finland; FOV, 6 cm×8 cm; voxel size, 0.085 mm; 90 kVp; 6.3 mA; 13 s). Two oral and maxillofacial radiologists assessed the CBCT images for the presence of a defect and measured the depth of the bone defects. Diagnostic performance was compared in terms of the area under the curve (AUC), accuracy, sensitivity, specificity, and intraclass correlation coefficient. Results: High intraobserver and interobserver agreement was found (P<0.05). The OP300 showed slightly better diagnostic performance and higher detection rates than the CB-500 (AUC, 0.56±0.03), with a mean accuracy of 75.0%, sensitivity of 81.2%, and specificity of 62.5%. Higher contrast was observed with the CB-500, whereas the OP300 formed more artifacts. Conclusion: Within the limitations of this study, the present results suggest that the choice of CBCT systems with their respective commonly used acquisition protocols does not significantly affect diagnostic performance in detecting and measuring buccal peri-implant bone loss.