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Bertin MIKOLO,Louis MATOS,Daniel MASSAMBA,Victor MAMONEKENE,Thomas MILLER 한국곤충학회 2009 Entomological Research Vol.39 No.6
The bark of the Fagara heitzii tree in the west-central African Republic of Congo (Congo–Brazzaville) is known anecdotally to provide protection for human residents against fleas and to be of use as a narcotic in fishing (similar to rotenone). We found that powder and hexane extracts from the bark of the Fagara heitzii tree contain insecticidal compounds. Dried powder (14.5 mg) on the bottom of a Petri dish is the residue at 14.494 mg per dish (LD50) for 20 adult maize weevils Sitophilus zeamays after four days. The LD50 of the same material to 20 adult cowpea weevils Callosobruchus maculatus was slightly higher at 16.144 mg/dish (after 48 h). These weevils cause significant economic damage to cowpea and maize in Congo–Brazzaville. Hexane extracts of the bark of Fagara heitzii were also toxic to these weevils. Symptoms of toxicity suggested the extracts were slow-acting nerve poisons or respiratory inhibitors or both. The time needed to develop full toxicity suggested a respiratory poison. The hexane extract was also toxic to the American cockroach Periplaneta americana. The symptoms in the cockroach were similar, but cockroaches also exhibited apparent escape attempts suggesting they could detect the compounds. Signs of apparent irritation or exaggerated locomotion in all three insects also suggested irritation or nerve effects.
Kim, Bong Chul,Bertin, Helios,Kim, Hak-Jin,Kang, Sang-Hoon,Mercier, Jacques,Perrin, Jean-Philippe,Corre, Pierre,Lee, Sang-Hwy Elsevier 2018 Journal of cranio-maxillofacial surgery Vol.46 No.11
<P><B>Abstract</B></P> <P><B>Purpose</B></P> <P>The goal of this study was to understand the three-dimensional (3D) structural characteristics of hemifacial microsomia (HFM) mandible in terms of skeletal units, especially to locate the underdeveloped skeletal regions for treatment. Another goal was to compare the HFM structure of different age groups to understand growth potential relevant to treatment scheduling.</P> <P><B>Materials and methods</B></P> <P>We reconstructed 3D mandibles from computed tomographic images of French and Korean patients with HFM (N = 28; group II) and normal subjects (N = 27; group I). Each mandible was classified by Pruzansky's HFM types I, II and III, and by age group (child, adolescent, and adult). The mandible was divided into skeletal units, and geometrical representation by skeletal unit line was performed, including the condylar, body, coronoid, and angular units. Their length and angulations were measured and statistically analyzed.</P> <P><B>Results</B></P> <P>The results showed that the affected condylar unit in type II HFM and the condylar/coronoid unit in type III were smaller in young age groups than were other units. The angulation between the skeletal units in type II, though not type III, tended toward normalcy with age, but not to the normal degree of angulations in group I.</P> <P><B>Conclusion</B></P> <P>Our study shows the major involvement of condylar unit and minor involvement of body unit for HFM, improving with age in type II. The mandibular skeletal unit analysis seems to be a useful tool for individualized diagnosis, allowing identification of the major etiopathogenic area and treatment planning, including a simulation to set up a regimen for successful reconstruction of HFM.</P>
Nguyen, Thi-Hai-Yen,Bertin, Melanie,Bodin, Julie,Fouquet, Natacha,Bonvallot, Nathalie,Roquelaure, Yves Occupational Safety and Health Research Institute 2018 Safety and health at work Vol.9 No.3
Background: Workers may be exposed to various types of occupational hazards at the same time, potentially increasing the risk of adverse health outcomes. The aim of this review was to analyze the effects of multiple occupational exposures and coexposures to chemical, biomechanical, and physical hazards on adverse health outcomes among agricultural workers. Methods: Articles published in English between 1990 and 2015 were identified using five popular databases and two complementary sources. The quality of the included publications was assessed using the methodology developed by the Effective Public Health Practice Project assessment tool for quantitative studies. Results: Fifteen articles were included in the review. Multiple chemical exposures were significantly associated with an increased risk of respiratory diseases, cancer, and DNA and cytogenetic damage. Multiple physical exposures seemed to increase the risk of hearing loss, whereas coexposures to physical and biomechanical hazards were associated with an increased risk of musculoskeletal disorders among agricultural workers. Conclusion: Few studies have explored the impact of multiple occupational exposures on the health of agricultural workers. A very limited number of studies have investigated the effect of coexposures among biomechanical, physical, and chemical hazards on occupational health, which indicates a need for further research in this area.
Crowded Cluster Cores: An Algorithm for Deblending in Dark Energy Survey Images
Zhang, Yuanyuan,McKay, Timothy A.,Bertin, Emmanuel,Jeltema, Tesla,Miller, Christopher J.,Rykoff, Eli,Song, Jeeseon Astronomical Society of the Pacific 2015 Publications of the Astronomical Society of the Pa Vol.127 No.957
Thi-Hai-Yen Nguyen,Mélanie Bertin,Julie Bodin,Natacha Fouquet,Nathalie Bonvallot,Yves Roquelaure 한국산업안전보건공단 산업안전보건연구원 2018 Safety and health at work Vol.9 No.3
Background: Workers may be exposed to various types of occupational hazards at the same time, potentially increasing the risk of adverse health outcomes. The aim of this review was to analyze the effects of multiple occupational exposures and coexposures to chemical, biomechanical, and physical hazards on adverse health outcomes among agricultural workers. Methods: Articles published in English between 1990 and 2015 were identified using five popular databases and two complementary sources. The quality of the included publications was assessed using the methodology developed by the Effective Public Health Practice Project assessment tool for quantitative studies. Results: Fifteen articles were included in the review. Multiple chemical exposures were significantly associated with an increased risk of respiratory diseases, cancer, and DNA and cytogenetic damage. Multiple physical exposures seemed to increase the risk of hearing loss, whereas coexposures to physical and biomechanical hazards were associated with an increased risk of musculoskeletal disorders among agricultural workers. Conclusion: Few studies have explored the impact of multiple occupational exposures on the health of agricultural workers. A very limited number of studies have investigated the effect of coexposures among biomechanical, physical, and chemical hazards on occupational health, which indicates a need for further research in this area.
Star/galaxy separation at faint magnitudes: application to a simulated Dark Energy Survey
Soumagnac, M. T.,Abdalla, F. B.,Lahav, O.,Kirk, D.,Sevilla, I.,Bertin, E.,Rowe, B. T. P.,Annis, J.,Busha, M. T.,Da Costa, L. N.,Frieman, J. A.,Gaztanaga, E.,Jarvis, M.,Lin, H.,Percival, W. J.,Santiago Oxford University Press 2015 MONTHLY NOTICES- ROYAL ASTRONOMICAL SOCIETY Vol.450 No.1
Toward laboratory blood test-comparable photometric assessments for anemia in veterinary hematology
Kim, Taehoon,Choi, Seung Ho,Lambert-Cheatham, Nathan,Xu, Zhengbin,Kritchevsky, Janice E.,Bertin, Francois-René,Kim, Young L. SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 2016 JOURNAL OF BIOMEDICAL OPTICS Vol.21 No.10
A brown dwarf orbiting an M-dwarf: MOA 2009–BLG–411L
Bachelet, E.,Fouqué,, P.,Han, C.,Gould, A.,Albrow, M. D.,Beaulieu, J.-P.,Bertin, E.,Bond, I. A.,Christie, G. W.,Heyrovský,, D.,Horne, K.,Jørgensen, U. G.,Maoz, D.,Mathiasen, M.,Matsunaga, EDP Sciences 2012 Astronomy and astrophysics Vol.547 No.-