Journal articles: 'Detector de plagio'

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Arce Dariel, Diaz, José Luis Brito González, Valeria Alexandra Nieto Trelles, and Wilson David Muñoz Arévalo. "Efectos de la capacitación y la retroalimentación sobre el plagio académico en estudiantes de Bachillerato." REVISTA CONCIENCIA EPG 4, no. 2 (November 7, 2020): 24–41. http://dx.doi.org/10.32654/concienciaepg.4-2.3.

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El plagio académico es un problema que afecta aestudiantes de todos los niveles de enseñanza. Elpresente trabajo tuvo como objetivo evaluar lautilidad de un programa de capacitación yretroalimentación sobre la disminución del plagio académicoen estudiantes de bachillerato. Se diseñó un estudio cuasiexperimental con una muestra de 61 estudiantes debachillerato. Se establecieron sesiones de capacitación alinicio del año lectivo y posteriormente se recibieron duranteel año cuatro trabajos académicos, cada uno de los cuales fueretroalimentado y evaluado para detectar diferentes formas deplagio, el nivel de gravedad y las mejorías observadas. Losresultados muestran una tendencia a reducir la frecuencia deformas graves de plagio hacia el final del estudio. El 44,3%mostró signos claros de mejoría en la comprensión yaplicación de la citación y referenciado de fuentes y otro 29,5% se mantuvo sin ninguna forma de plagio desde el inicio delcurso. Hubo diferencias significativas en las mejoríasobservadas dependiendo del sexo y el rendimientoacadémico. Se concluye que la estrategia planteada puedeayudar a disminuir la frecuencia de plagio académico entrelos estudiantes de bachillerato. Se recomiendas nuevosestudios experimentales en los que se puedan controlar másvariables y observar la fortaleza de la propuesta.

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Hu, Guangwei, and Xiaoya Sun. "Chinese university EFL teachers’ knowledge of and stance on plagiarism." Comunicar 24, no. 48 (July 1, 2016): 29–37. http://dx.doi.org/10.3916/c48-2016-03.

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Plagiarism has engendered increasing concern in academia in the past few decades. While previous studies have investigated student plagiarism from various perspectives, how plagiarism is understood and responded to by university teachers, especially those in English-as-a-foreign-language (EFL) writing contexts, has been under-researched. As academic insiders and educators of future academics, university teachers play a key role in educating students against plagiarism and upholding academic integrity. Their knowledge of and attitudes toward plagiarism not only have a crucial influence on their students’ perceptions of plagiarism but can also provide insights into how institutions of higher education are tackling the problem. The study reported in this paper aims to address this imbalance in research on plagiarism by focusing on a sample of 108 teachers from 38 Chinese universities. Drawing on both quantitative and qualitative data that comprise textual judgments and writing samples, it examines whether EFL teachers in Chinese universities share Anglo-American conceptions of plagiarism, what stance they take on detected cases of plagiarism, and what factors may have influenced their perceptions. Findings from this study problematize the popular, yet over-simplistic, view that Chinese EFL writers are tolerant of plagiarism and point to academic and teaching experience as influences on their perceptions and attitudes concerning plagiarism.El plagio ha generado preocupaciones crecientes en el círculo académico en las últimas décadas. Aunque estudios anteriores han investigado el plagio del estudiante desde varias perspectivas, todavía hay poca investigación sobre cómo los profesores universitarios entienden el plagio y responden ante él, especialmente en contextos escritos en la enseñanza del inglés como lengua extranjera (EFL). Como expertos académicos y educadores de futuros académicos, los profesores universitarios desempeñan un papel clave en la formación de los estudiantes contra el plagio y en la defensa de la integridad académica. Sus conocimientos y actitudes con respecto al plagio no solo tienen una influencia crucial sobre las percepciones estudiantiles hacia el plagio, sino que también pueden proporcionar ideas sobre cómo las universidades resuelven el problema. El presente estudio pretende abordar este desequilibrio en la investigación sobre el plagio, centrándose en una muestra de 108 profesores de 38 universidades chinas. Basándose en datos cuantitativos y cualitativos obtenidos de juicios textuales y de redacciones, se examina: 1) si los docentes de EFL en universidades chinas comparten los conceptos angloamericanos del plagio; 2) qué postura tienen en los casos de plagio detectados; 3) qué factores pueden influir en sus comprensiones. Los resultados de este estudio problematizan la opinión popular y simplista de que los escritores chinos de inglés como lengua extranjera son indulgentes en cuanto al plagio, y señalan que las experiencias académicas y educativas tienen mucha influencia sobre sus percepciones y actitudes hacia el plagio.

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Díaz Arce, Dariel. "Herramientas “antiplagio”: ¿son confiables? Estudio de casos." Edutec. Revista Electrónica de Tecnología Educativa, no. 61 (December 5, 2017): a365. http://dx.doi.org/10.21556/edutec.2017.61.919.

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El presente trabajo da continuidad a un proyecto inicial que pretende determinar la utilidad práctica de herramientas gratuitas y comerciales para detectar plagio de fuentes de internet en documentos con fines académicos. Se evaluó el desempeño después de un año de comenzado el trabajo inicial, de cuatro softwares para detectar copia textual procedente de internet: Small Seo Tools, Duplickecker, Search Engine Report (gratuitas) y Turnitin (comercial). El Índice General de Similitud se redujo significativamente en las herramientas Small Seo Tools, Search Engine Report y Turnitin, mientras que en Duplichecker disminuyó además el número de trabajos dados como positivos para posible plagio. No obstante, la tasa de fallos para detectar posible copia textual o casi textual, se elevó significativamente de dos a cinco veces solo en las herramientas gratuitas, mientras que en Turnitin, no se detectó este problema. De los cuatro softwares analizados, solo Turnitin manifestó una reproducibilidad aceptable, mientras que Duplichecker y Search Engine Report, tuvieron un resultado marginal. Small Seo Tools, no tuvo un desempeño aceptable por lo que no se recomienda su uso. Los resultados suponen un defecto en el funcionamiento de estos tres softwares gratuitos dado que el análisis de documentos actuales también denota una tasa de fallos muy elevada.

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Wali, Muhammad, and Safrizal Safrizal. "Similar text sebagai Pengkodean Aplikasi Plagiarisme." Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) 2, no. 1 (January 18, 2018): 11. http://dx.doi.org/10.35870/jtik.v2i1.43.

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a b s t r a c tThis research is intended to make a coding technique with a function similar to a plagiarism detector similar_text as text. By using the text function is similar, this research resulted in a detection of the document against the 10 (ten) of selected journal with, the document is the document with extension doc, docx, pdf, and txt. The document will be converted into html form and would henceforth be done making the string with the marker dots (.) And the comma (,) will be fetched a new string. By specifying a percentage string similarity of 90% then produced a text, in this case plagiarism is detected journal journal 1 with string similarity percentage of 48%. The use of similar texts can be classified as coding techniques for detection of plagiarism on its anti plagiarism detection applications.Keywords: Similar text, PHP, application, Plagiarism a b s t r a kPenelitian ini dimaksudkan untuk membuat sebuah teknik pengkodean dengan fungsi mirip similar_text sebagai pendeteksi plagiat sebuah teks. Dengan menggunakan fungsi teks yang serupa, penelitian ini menghasilkan sebuah deteksi dokumen terhadap 10 (sepuluh) jurnal yang dipilih dengan bahasa indonesia, dokumen yang merupakan dokumen dengan ekstensi doc, docx, pdf, dan txt. Dokumen tersebut akan dikonversi ke dalam bentuk html dan selanjutnya akan dilakukan pembuatan string dengan penanda titik (.) Dan koma (,) akan terambil sebuah string baru. Dengan menentukan persentase kemiripan string sebesar 90% maka dihasilkan sebuah teks, pada kasus ini jurnal yang terdeteksi plagiat adalah jurnal 1 dengan persentase kemiripan string sebesar 48%. Penggunaan teks serupa dapat digolongkan sebagai teknik pengkodean untuk deteksi plagiarisme pada penggunaaan aplikasi deteksi anti plagiatKata Kunci: Similar text, PHP, Aplikasi, Plagiarisme

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Walter, F. M. "Stellar plages." Symposium - International Astronomical Union 176 (1996): 355–69. http://dx.doi.org/10.1017/s0074180900083376.

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The solar surface contains of bright regions (plages) and dark regions (sunspots) superposed on the photosphere. If the solar analogy is valid, then active late-type stars should also exhibit bright, spatially distinct plages. These plages can be detected by rotational modulation of chromospheric flux, or by Doppler imaging in chromospheric/transition region lines. I review the evidence for the existence of plages, with particular emphasis on two very active systems: AR Lacertae, for which we have sequences of Doppler imaging observations since 1984, and AB Doradus, which we observed extensively in 1994. I conclude that we need to be cautious when relying on the solar analogy to interpret observations of the most active late-type stars.

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Fernández, Valentina, Mariana Marasas, and Santiago Sarandón. "Indicadores de Heterogeneidad vegetal. Una herramienta para evaluar el potencial de regulación biótica en agroecosistemas hortícolas del periurbano platense, provincia de Buenos Aires, Argentina." Revista de la Facultad de Agronomía 118, no. 2 (December 27, 2019): 030. http://dx.doi.org/10.24215/16699513e030.

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El modelo productivo que predomina en el Cinturón Hortícola de La Plata, tuvo, como consecuencia impactos negativos ecológicos, económicos y sociales. Uno de los principales problemas ecológico-productivos es la incidencia de plagas y el uso creciente de pesticidas. El componente vegetal de la agrobiodiversidad puede promover mecanismos de regulación biótica que eviten la aparición de plagas, aunque la evaluación de dicho componente no es sencilla. Se construyeron indicadores para predecir, a partir del análisis de la heterogeneidad vegetal, el potencial del sistema para proveer los mecanismos de regulación biótica de plagas, y se evaluaron en dos fincas contrastantes: manejo convencional y agroecológico. Se organizaron dos categorías, que agrupan indicadores relacionados al control “Botton up” y “Top down” de plagas. Se obtuvieron 22 indicadores estandarizados y ponderados. Los indicadores propuestos resultaron apropiados para medir el potencial de regulación biótica de plagas a partir de la heterogeneidad vegetal del agroecosistema y detectar diferencias entre los dos sistemas productivos. Estas diferencias se observaron tanto en el potencial de regulación biótica en general como en sus dos dimensiones (top down - y bottom up) analizadas. Los mayores valores se observaron en el sistema de manejo agroecológico respecto al convencional. Esta herramienta constituye un aporte para encontrar soluciones al problema del control de plagas principalmente en sistemas hortícolas familiares.

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Pratama, Zudha, Ema Utami, and M. Rudyanto Arief. "Analisa Perbandingan Jenis N-GRAM Dalam Penentuan Similarity Pada Deteksi Plagiat." Creative Information Technology Journal 4, no. 4 (January 12, 2019): 254. http://dx.doi.org/10.24076/citec.2017v4i4.118.

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Dampak.akses informasi yang mudah membuat tindakan plagiasi makin marak. Tindakan tersebut dapat dicegah dengan menggunakan sistem deteksi plagiat. Sistem tersebut dapat dibangun dengan menggunakan konsep similarity dengan algoritma rabin-karp sebagai string matchingnya dan n-gram sebagai metode parsingnya. Penelitian terdahulu menggunakan kedua algoritma tersebut menunjukkan hasil sistem yang cukup baik untuk deteksi plagiat. Kemudian hasil penelitian dari luar negeri ada yang melakukan hal serupa mengenai deteksi plagiat serta menghasilkan penemuan baru misalnya cross-language similarity. Selain itu ada temuan faktafakta baru mengenai deteksi plagiat dengan berbagai cara pengujian serta penggabungan berbagai metode yang sudah ada untuk perbaikan hasil deteksi. Sedangkan tujuan kami pada penelitian ini adalah membandingkan metode parsing untuk mengetahui metode parsing yang mana yang dapat memberikan hasil paling cepat dan masih dalam nilai akurasi yang wajar. Kami sebagai kontrol ukuran akurasi kami menggunakan plagiarism checker x free. Kami menggunakan aplikasi tersebut untuk menentukan akurasi instrumen uji kami menggunakan selisih similarity aplikasi ini dengan instrumen uji kami. Hasilnya kami menemukan fakta jika ngram word memiliki akurasi yang paling optimal dibanding n-gram yang lain dan masih relatif paling cepat dibanding lainnya.Kata Kunci — perbandingan, ngram, similarity text, deteksi plagiat The impact of easy information access makes plagiarism more and more prevalent. Such action can be prevented by using a plagiarism detection system. The system can be constructed using the concept of similarity with the rabin-karp algorithm as its matching string and n-gram as its parsing method. Earlier studies using both algorithms show good system results for plagiarism detection. Then the results of research from abroad have done the same about the detection of plagiarism and produce new inventions such as cross-language similarity. In addition, there are new facts about plagiarism detection by various testing methods and incorporating existing methods for improving the detection. While our goal in this study is to compare the method of parsing to find out which parsing method that can provide the fastest results and still in a reasonable accuracy value. We measure our accuracy as accurate using plagiarism checker x free. We use the application to determine the accuracy of our test instruments using the similarity difference of this application with our test instruments. We found that n-gram word has the most optimal accuracy compared to other n-grams and is still relatively fastest compared to others.Keywords — comparison, ngram, similarity text, plagiarism detection

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Saad, Alain. "Retrospective Testing of the Score for the Detection of Ectasia Susceptibility: A Case Report of Ectasia 7 Years after LASIK." International Journal of Keratoconus and Ectatic Corneal Diseases 2, no. 2 (2013): 73–78. http://dx.doi.org/10.5005/jp-journals-10025-1055.

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Abstract A patient was treated bilaterally for myopia using laser in situ keratomileusis (LASIK). There was no evident tomographic risk factor for ectasia, but a slight asymmetry on the Placido topography in the left eye. Seven years postoperatively, a unilateral ectasia was diagnosed. Retrospectively, the calculated Score for the left eye was +0.2. This case suggests that an artificial intelligence system based on the combination of Placido and tomographic indices may be helpful for the detection of ectasia susceptible eyes. How to cite this article Saad A, Gatinel D. Retrospective Testing of the Score for the Detection of Ectasia Susceptibility: A Case Report of Ectasia 7 Years after LASIK. Int J Kerat Ect Cor Dis 2013;2(2):73-78.

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Treviño Garza, Eduardo Javier, Luis Gerardo Cuellar Rodríguez, Oscar A. Aguirre Calderón, and Javier Jiménez Pérez. "Detección de plagas forestales en el bosque templado del noreste de México mediante imágenes satelitales de alta resolución." Ciencia & Investigación Forestal 14, no. 2 (July 11, 2008): 359–67. http://dx.doi.org/10.52904/0718-4646.2008.296.

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El objetivo de este trabajo fue detectar y cuantificar las áreas afectadas por descortezadores y otras plagas forestales en masas arboladas de la Sierra Madre Oriental del noreste de México, utilizando el procesamiento digital de imágenes y validando los resultados con información levantada en campo.

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Anish, Chakkumkal, Xiaoqiang Guo, Annette Wahlbrink, and Peter H. Seeberger. "Plague Detection by Anti-carbohydrate Antibodies." Angewandte Chemie International Edition 52, no. 36 (July 10, 2013): 9524–28. http://dx.doi.org/10.1002/anie.201301633.

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Escobar Hernández, Bogar. "El plagio académico: un signo de la relativa maleabilidad presente en lo real." Revista Temas, no. 13 (October 31, 2019): 73–88. http://dx.doi.org/10.15332/rt.v0i13.2335.

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El tema toral del estudio fue el análisis de la acción plagiaria en el medio de la academia. En dicho fenómeno social, además de considerar su vertiente ética, también se aborda su incidencia sobre la realidad, tomando en cuenta que la acción plagiaria también puede ser percibida como un indicador de su plasticidad. Sobre esos dos carriles de ideas se exploraron algunas de las implicaciones más relevantes que se desprenden de dicha práctica. Asimismo, se hizo un esfuerzo por detectar sus motivaciones subyacentes, partiendo de la premisa de que estas tienen que ser sumamente vigorosas, a fin de persuadir a un académico a suplantar la autoría de una aportación al conocimiento. En lo cual, subyace una paradoja existencial, la de aspirar a la realización personal mediante una falsificación del yo y de la realidad.

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García Ramírez, Jesús, and Miguel A. León Chávez. "Complemento de Captura, Verificación y Actualización de Referencias en Moodle." Tecnología Educativa Revista CONAIC 2, no. 2 (February 1, 2021): 44–51. http://dx.doi.org/10.32671/terc.v2i2.159.

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Moodle es un sistema de administración del aprendizaje que provee servicios a los profesores, estudiantes y sector administrativo escolar. Moodle tiene una larga lista de desarrolladores alrededor del mundo y ofrece complementos para detectar el plagio. Este artículo propone un complemento para capturar, verificar y actualizar las referencias de un curso cuando el profesor lo crea, reconociendo así que el conocimiento científico se desarrolla con el aporte de mujeres y hombres honestos que hacen referencia por medio de citas a resultados publicados por otros autores. Moodle is a Learning Management System that provides several services to educators, learners and school administrators. Moodle has a large list of developers around the world and it provides also plugins to detect plagiarism. This paper proposes a plugin in order to capture, verify and update the references of a course when it is created by the educator; recognizing that the scientific knowledge is developed by the contributions of honest women and men that refer by mean of cites to results published by other authors.

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Weiss, Ray F., A. R. Ravishankara, and Paul A. Newman. "Huge gaps in detection networks plague emissions monitoring." Nature 595, no. 7868 (July 19, 2021): 491–93. http://dx.doi.org/10.1038/d41586-021-01967-z.

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Kamimura, Kensuke, and Tadashi Kawai. "Prevalence of the crayfish plague, Aphanomyces astaci Schikora, in alien crayfish species in Japan." Freshwater Crayfish 25, no. 1 (April 15, 2020): 31–37. http://dx.doi.org/10.5869/fc.2020.v25-1.031.

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Abstract Crayfish plague is a severe disease of crayfish that is caused by the oomycete Aphanomyces astaci. Two crayfish hosts of this parasite, Procambarus clarkii and Pacifastacus leniusculus, were imported from North America into Japan and were found to be infected with this parasite. Since the endemic Japanese crayfish, Cambaroides japonicus, has a low resistance to the crayfish plague, infection with this parasite will likely lead to crayfish death. Specimens of both invasive crayfish species were collected across Japan and their infection status was examined using a PCR technique. Aphanomyces astaci was detected in all localities and the average infection prevalence was 67%. Additionally, when the signs of melanization were compared with the results from PCR analyses, it suggested that the DNA detection procedure is more reliable than observation of tissue melanization. Moreover, the relationship between prevalence and water temperature in the field was analyzed, indicated that water temperature influenced the prevalence of A. astaci infection.

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Lagrange, Anne-Marie, Nadege Meunier, and Morgan Desort. "Detectability of Earth mass planets with RV techniques around Sun-like stars. The example of the Sun." Proceedings of the International Astronomical Union 6, S276 (October 2010): 537–38. http://dx.doi.org/10.1017/s1743921311021120.

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AbstractWe present the results of detailed simulations of the RV and astrometric signals expected from the Sun, when taking into account its activity (spots, plages, convection). To do so, we considered all structures (2,000,000) identified on the Sun surface over a full cycle. We show that the Sun activity would prevent the detection of the Earth in the Habitable Zone with RV technics with today or future forthcoming instruments, mainly because of inhomogeneous convection. We also show that the activity-induced signal would be comparatively easier for the astrometric detection of the Earth of similar planets.

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Strand, David A., Japo Jussila, Stein I. Johnsen, Satu Viljamaa-Dirks, Lennart Edsman, Jannicke Wiik-Nielsen, Hildegunn Viljugrein, Frederik Engdahl, and Trude Vrålstad. "Detection of crayfish plague spores in large freshwater systems." Journal of Applied Ecology 51, no. 2 (February 19, 2014): 544–53. http://dx.doi.org/10.1111/1365-2664.12218.

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Simonenko, V. B., Victor G. Abashin, and P. A. Dulin. "Plague epidemic in Moscow (1770—1772)." Clinical Medicine (Russian Journal) 96, no. 1 (April 9, 2018): 88–94. http://dx.doi.org/10.18821/0023-2149-2018-96-1-88-94.

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Materials on plague epidemic in Moscow at the end of the XVIII century are provided: the reasons of emergence and development of epidemic of plague in Moscow, actions of authorities and doctors of the capital for liquidation of epidemic. The chronology of development and elimination of epidemic is given. The role of a medical personnel of the Moscow military hospital in detection of a disease and prevention of its distribution is shown. It is shown a role of the Count Grigory Orlov in liquidation of epidemic of plague and suppression of "a plague revolt".

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Saad, Alain. "Validation of a New Scoring System for the Detection of Early Forme of Keratoconus." International Journal of Keratoconus and Ectatic Corneal Diseases 1, no. 2 (2012): 100–108. http://dx.doi.org/10.5005/jp-journals-10025-1019.

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ABSTRACT Purpose To evaluate the accuracy of a new objective method for the detection of ectasia susceptible eyes. Methods One hundred and eighty-three elevation and placido topographies were retrospectively evaluated by one experimented refractive surgeon and classified as ‘normal’ or ‘at risk for LASIK’. An objective automated system built on the combination of topography and tomography data in a discriminant function was also used to classify the corneas. The concordance between the objective and the subjective classification was evaluated and the usefulness of the objective scoring system was assessed by receiver operating characteristic (ROC) curve analysis. Results The mean age of the studied group was 37 ± 8 years old. One hundred and fifty-nine eyes were subjectively classified as ‘normal’ and 24 as ‘At risk for LASIK’. The scoring system correctly classified 153 eyes as ‘normal’ and 22 eyes as ‘at risk for LASIK’. Six eyes were wrongly detected as ‘at risk’ by the automated system (false-positive) and two eyes were wrongly classified as ‘normal’ (false-negative). The sensitivity and specificity of the automated system were 92 and 96% respectively. Conclusion An automated system built on the combination of topography and tomography parameters can help in creating a sensitive and specific artificial intelligence for the detection of corneas at risk for refractive surgery. How to cite this article Saad A, Gatinel D. Validation of a New Scoring System for the Detection of Early Forme of Keratoconus. Int J Kerat Ect Cor Dis 2012;1(2):100-108.

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Nyirenda, Stanley S., Bernard M. Hang’ombe, Bukheti S. Kilonzo, Mathews N. Kabeta, Mundia Cornellius, and Yona Sinkala. "Molecular, serological and epidemiological observations after a suspected outbreak of plague in Nyimba, eastern Zambia." Tropical Doctor 47, no. 1 (September 25, 2016): 38–43. http://dx.doi.org/10.1177/0049475516662804.

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Plague is a re-emerging zoonotic disease caused by the bacterium Yersinia pestis. The disease has caused periodic global devastation since the first outbreak in the 6th century. Two months after a suspected plague outbreak in Nyimba district, samples were collected from 94 livestock (goats and pigs), 25 rodents, 6 shrews and 33 fleas. Enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) techniques were used to investigate the presence of Y. pestis, which showed that 16.0% (4/25) of rodents, 16.7% (1/6) of shrews ( Crocidura spp) and 6.0% (5/83) of goats were positive for IgG antibodies against Fraction 1 antigen of Y. pestis. Plasminogen activator (Pla) gene (DNA) of Y. pestis was detected in five pools containing 36.4% (12/33) fleas collected from pigs (n = 4), goats (n = 5) and rodents (n = 3). The detection of Pla gene in fleas and IgG antibodies against Fraction1 antigen in rodents, shrews and goats suggest that Y. pestis had been present in the study area in the recent past.

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Ordoñez Beltrán, María Fátima, Juan Luis Jacobo Cuéllar, Ernesto Quintana López, Rafael Ángel Parra Quezada, Víctor Manuel Guerrero Prieto, and Claudio Ríos Velasco. "Enemigos naturales asociados al pulgón lanígero en huertos de manzano con diferente manejo de plagas." Revista Mexicana de Ciencias Agrícolas 8, no. 4 (August 4, 2017): 799. http://dx.doi.org/10.29312/remexca.v8i4.8.

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El pulgón lanígero (Eriosoma lanigerum Hausmann) es un fitófago que incide en huertos de manzano [Malus sylvestris (L.) Mill. var domestica (Borkh) Mansf.] establecidos en el estado de Chihuahua. Para su combate se ha privilegiado el uso de insecticidas convencionales, incurriendo en aplicaciones extemporáneas que posiblemente repercuten en la baja ocurrencia de enemigos naturales. Con base en lo anterior y la reducida información sobre enemigos naturales del pulgón lanígero del manzano en México, durante los años 2011 y 2012 se realizó el presente trabajo con la finalidad de identificar la incidencia de depredadores y parasitoides asociados a colonias de pulgón lanígero en huertos de manzano con diferente manejo de plagas. Por manejo del huerto, se detectaron 38 y 35 ejemplares para los huertos sin manejo y con manejo integrado de plagas, valores que fueron estadísticamente iguales entre sí y diferentes a los 12 ejemplares detectados en el huerto con manejo convencional. Las especies de depredadores asociadas a colonias de pulgón lanígero en Chihuahua fueron: Hippodamia convergens, Chrysopa nigricornis, Chrysopa oculata, Chrysoperla rufilabris, Chrysoperla comanche, Chrysopa spp., Allograpta obliqua, Sirphus sp. y Toxomerus sp., mientras que como parasitoides se detectó solo a Aphelinus mali.

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Navarrete García, Italo, Yolanda Llosas Albuerne, Erick Molina Moreira, Maykent Sánchez Cuadro, and Jairo García Mera. "Levantamiento y detección de puntos calientes mediante la cámara termográfica en el alimentador #1 San Plácido, subestación Playa Prieta – piedra azul de la CNEL - EP unidad de negocio Manabi." Revista de Investigaciones en Energía, Medio Ambiente y Tecnología: RIEMAT ISSN: 2588-0721 2, no. 1 (September 25, 2017): 66. http://dx.doi.org/10.33936/riemat.v2i1.946.

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The investigative work is based on the detection of hot spots in the 13.8 KV distribution line system, from the Sanabacid 1 San Placido feeder, the Playa Prieta - Piedra Azul substation of the CNEL - EP Manabí Business, elaborated with the professional thermographic camera, with the aim of predicting faults and determining the type of maintenance they would need, whether predictive, preventive or corrective, After performing the structural analysis to identify the mechanical damages of each pole and structure of the system, the thermographic study was carried out with the respective calculations and statistical analyzes, statistical results related to maintenance planning are shown.. Index Terms faults, detection and isolationand, maintenance, predictive, preventive or corrective

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Rajpaul, V. M., L. A. Buchhave, G. Lacedelli, K. Rice, A. Mortier, L. Malavolta, S. Aigrain, et al. "A HARPS-N mass for the elusive Kepler-37d: a case study in disentangling stellar activity and planetary signals." Monthly Notices of the Royal Astronomical Society 507, no. 2 (July 30, 2021): 1847–68. http://dx.doi.org/10.1093/mnras/stab2192.

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ABSTRACT To date, only 18 exoplanets with radial velocity (RV) semi-amplitude <2 m s−1 have had their masses directly constrained. The biggest obstacle to RV detection of such exoplanets is variability intrinsic to stars themselves, e.g. nuisance signals arising from surface magnetic activity such as rotating spots and plages, which can drown out or even mimic planetary RV signals. We use Kepler-37 – known to host three transiting planets, one of which, Kepler-37d, should be on the cusp of RV detectability with modern spectrographs – as a case study in disentangling planetary and stellar activity signals. We show how two different statistical techniques – one seeking to identify activity signals in stellar spectra, and another to model activity signals in extracted RVs and activity indicators – can each enable a detection of the hitherto elusive Kepler-37d. Moreover, we show that these two approaches can be complementary, and in combination, facilitate a definitive detection and precise characterization of Kepler-37d. Its RV semi-amplitude of 1.22 ± 0.31 m s−1 (mass 5.4 ± 1.4 M⊕) is formally consistent with TOI-178b’s $1.05^{+0.25}_{-0.30}$ m s−1, the latter being the smallest detected RV signal of any transiting planet to date, though dynamical simulations suggest Kepler-37d’s mass may be on the lower end of our 1σ credible interval. Its consequent density is consistent with either a water-world or that of a gaseous envelope ($\sim 0.4{{\ \rm per\ cent}}$ by mass) surrounding a rocky core. Based on RV modelling and a re-analysis of Kepler-37 TTVs, we also suggest that the putative (non-transiting) planet Kepler-37e should be stripped of its ‘confirmed’ status.

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Žmindák, Milan, Eva Kormaníková, Pavol Novák, Josef Soukup, and Kamila Kotrasová. "Application of discrete damage mechanics for determination of the crack density in composite laminates." MATEC Web of Conferences 310 (2020): 00002. http://dx.doi.org/10.1051/matecconf/202031000002.

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The finite element method (FEM) is one of the most widely and most popular numerical methods for analyzing damage of composite structures, In this paper discrete damage mechanics (DDM) is used to predict inter-laminar transverse and shear damage initiation and evolution in terms of the fracture toughness of the laminate. ANSYS commercial software is used for analysis of layered plate composite structure reinforced with long unidirectional fibers with Carbon/Epoxy material. Because ANSYS does not have a built-in capability for calculating crack density, we have to use plagin. A methodology for determination of the fracture toughness is based on fitting DDM model and these data are obtained from literature. Also, prediction of modulus vs. applied strain is contrasted with ply discount results and the effect of in situ correction of strength is highlighted. Evaluation of matrix cracking detected in lamina has been solved using return mapping algorithm.

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Ordoñez Beltrán, María Fátima, Juan Luis Jacobo Cuéllar, Ernesto Quintana López, Rafael Ángel Parra Quezada, Víctor Manuel Guerrero Prieto, and Claudio Ríos Velasco. "Pulgón lanígero e impacto ambiental por el uso de pesticidas en manzano en Chihuahua, México." Revista Mexicana de Ciencias Agrícolas 7, no. 3 (September 29, 2017): 573. http://dx.doi.org/10.29312/remexca.v7i3.312.

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El manzano (Malus sylvestris var domestica Bork) es uno de los frutales caducifolios más importantes en el mundo.Anivel nacional, Chihuahua es el principal productor de manzana con una aportación de 66%. En este cultivo se hospedan diversos fitófagos entre los que se encuentra el pulgón lanígero del manzano, y cuyo combate es con base en insecticidas. En este estudio se analizó la información generada durante los años 2010 y 2011 sobre temperatura y precipitación, ocurrencia de pulgón lanígero en ascenso por el tronco del árbol, número de colonias aéreas y se calculó el índice de impacto ambiental por la aplicación de plaguicidas en tres huertos de manzano ubicados en Cuauhtémoc, Chihuahua, con la variedad ‘Golden Delicious’sobreportainjertofrancoycondiferentemanejode plagas (f itófagos y f itopatógenos). Los resultados permitieron detectar un diferencial de 96 mm en la precipitación ocurrida entre el año 2010 y 2011, diferencias signif icativas en la tasa de acumulación de calor para estos mismos años y un diferencial significativo en la ocurrencia de pulgón lanígero entre años y huertos. En relación al coeficiente de impacto ambiental, se detectó variación entre años y huertos con valores que f luctuaron entre 16 y 436 unidades de impacto ambiental. La mayor acumulación de unidades calor y menor precipitación pluvial se relacionaron con mayor número de pulgones en ascenso y colonias aéreas, además de un mayor impacto ambiental por el uso de pesticidas en manzano.

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Ortiz-Toquero, Sara, and Raul Martin. "Keratoconus Screening in Primary Eye Care – A General Overview." European Ophthalmic Review 10, no. 02 (2016): 80. http://dx.doi.org/10.17925/eor.2016.10.02.80.

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Keratoconus early detection (screening) and diagnosis requires an in-deep corneal analysis with different techniques; slip lamp assessment, corneal topography and corneal tomography are the most commonly accepted to detect clinical signs and assess anterior and posterior corneal surface and global corneal pachymetry. However, keratoconus early detection and definitive diagnosis are two different clinical procedures that require a different approach and goals. The aim of this review is to provide some general information about different corneal assessment technology, useful in keratoconus patient assessment; highlighting the differences in the adequate investigation techniques to its detection in primary eye care clinic and to conduct the definitive diagnosis (usually in a cornea specialist clinic). Information of most extensively available commercial devices and the advantages and disadvantages of their use in keratoconus early detection and diagnosis are described. In conclusion, corneal topography (Placido-based keratographers) plays a significant role in keratoconus detection, especially in primary eye care clinics. However, corneal tomography (with different slit scanning and/or rotational imaging devices) including posterior corneal surface assessment and global corneal pachymetry investigation, is critical in definitive keratoconus diagnosis.

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Rabin, Douglas. "Near Infrared Imaging Magnetometry." Symposium - International Astronomical Union 154 (1994): 449–57. http://dx.doi.org/10.1017/s0074180900124702.

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Infrared array detectors are a new and promising tool for investigating the properties of magnetic field concentrations in the solar photosphere. Array measurements provide large statistical samples of polarized line profiles and display the spatial organization of the magnetic field. The wavelength region near 1.6 μm has important advantages for magnetometry: spectral lines with magnetic sensitivites ranging from low to very high; low continuum opacity; high continuum flux; and the possibility of sub-arcsecond angular resolution with existing telescopes. Initial results have extended earlier work on the distribution of field strength and flux in plages and revealed new properties specifically connected with spatial structure. The quality and flexibility of near infrared magnetographs can be expected to improve rapidly.

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Islam, M. R., Jubairun Nessa, and K. M. Halder. "Detection of duck plague virus antigen in tissues by immunoperoxidase staining." Avian Pathology 22, no. 2 (June 1993): 389–93. http://dx.doi.org/10.1080/03079459308418929.

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Proshchenko, E., Ye Nikitin, and T. Uryumtseva. "Lifetime diagnosis of carnivore plague." Bulletin of the Innovative University of Eurasia 80, no. 4 (December 25, 2020): 137–42. http://dx.doi.org/10.37788/2020-4/137-142.

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Main problem: Until now the problem of intravital direct diagnosis of canine plague (Kara's disease), aimed at detecting the viral antigen in the secretions and excretions of sick animals, remains urgent. In the case of the disease of carnivorous dogs, the issue of reliable intravital diagnosis is more urgent, since the plague of carnivores in dogs is treated. Lifetime diagnosis of this disease by methods applicable in veterinary clinics is preferable, since in the case of timely and correct diagnosis, therapeutic measures will be more effective. Purpose: To improve the system of antiepizootic measures against canine plague among dogs in terms of prevention, diagnosis and treatment of this disease. Methods: Analysis of data from private veterinary clinics reporting on the incidence of small domestic animals was used. Various serological methods were used. Differential diagnosis from infectious hepatitis in dogs was carried out by means of CBR, DPR, from parvovirus enteritis - by HIR with cat erythrocytes. To check the specificity of reactions and determine the concentration of the test material, excluding false positive results, samples of pathological material obtained from dogs with various infectious diseases, as well as those obtained from healthy intact animals, were examined. Results and their significance: The use of a complex of various diagnostic methods ensures the diagnosis of plague of carnivores in any form of the disease and at any stage, even in the case of mixed infections, as well as differentiate it from parvovirus enteritis, infectious hepatitis and other carnivorous diseases similar to plague. Valuable in the RAM for the detection of the virus-specific antigen of the plague of carnivorous virus is that it can be used to diagnose the disease in vivo by examining fecal samples and swabs from the oral and nasal cavities.

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Harvey, J. W., and W. C. Livingston. "Variability of the Solar He I 10830 Å Triplet." Symposium - International Astronomical Union 154 (1994): 59–64. http://dx.doi.org/10.1017/s0074180900124258.

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The He I 10830 Å triplet gives a unique view of the solar chromosphere. Digital spectroheliograms have been made regularly since early 1974 using this line and the NSO Vacuum Telescope on Kitt Peak. For many purposes (detection of coronal holes, giant two-ribbon flares, and dark point events) these images are sufficient. A Sun-as-a-star signal is also produced by averaging all the pixels in each daily image. To calibrate this ‘irradiance’ signal in terms of line equivalent width, a comparison is made with integrated sunlight spectrophotometric measurements obtained less frequently. After correction for the effects of water vapor blends, we find a linear relation between the two measurements. The daily averages have been assembled into a time series covering nearly two solar cycles. This time series shows cycle modulation of about ±30% and rotational modulation of about ±10%. The general variation is similar to that of other activity indices but with some interesting small differences. Since images are available, it has been possible to decompose the full disk index into components due to plages, filaments, coronal holes and background. At all times during the cycle, most of the signal comes from the background but most of the variability from plages.

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Pârvulescu, L., A. Schrimpf, E. Kozubíková, S. Cabanillas Resino, T. Vrålstad, A. Petrusek, and R. Schulz. "Invasive crayfish and crayfish plague on the move: first detection of the plague agent Aphanomyces astaci in the Romanian Danube." Diseases of Aquatic Organisms 98, no. 1 (February 17, 2012): 85–94. http://dx.doi.org/10.3354/dao02432.

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BABIN, S. M. "Using syndromic surveillance systems to detect pneumonic plague." Epidemiology and Infection 138, no. 1 (August 24, 2009): 1–8. http://dx.doi.org/10.1017/s0950268809990689.

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SUMMARYBecause syndromic surveillance systems use pre-diagnostic data for early detection of disease outbreaks, it is important to know how the earliest signs and symptoms of a disease might appear in these systems. The available medical literature describing the sequence of signs and symptoms of pneumonic plague reveals that, during the earliest stages, patients will most likely present with certain gastrointestinal and minimal, if any, respiratory signs. Without this knowledge, early evidence of pneumonic plague in syndromic surveillance systems may be missed until the respiratory signs become prevalent. Because plague is a zoonotic disease, new syndromic surveillance systems that use animal data from park rangers and veterinarians may provide useful evidence. This paper shows how a review of both human and animal literature can be used to design queries for syndromic surveillance systems.

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Wittwer, Claudia, Carsten Nowak, David Allan Strand, Trude Vrålstad, Marco Thines, and Stefan Stoll. "Comparison of two water sampling approaches for eDNA-based crayfish plague detection." Limnologica 70 (May 2018): 1–9. http://dx.doi.org/10.1016/j.limno.2018.03.001.

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Tran, Thi-Nguyen-Ny, Michel Signoli, Luigi Fozzati, Gérard Aboudharam, Didier Raoult, and Michel Drancourt. "High Throughput, Multiplexed Pathogen Detection Authenticates Plague Waves in Medieval Venice, Italy." PLoS ONE 6, no. 3 (March 10, 2011): e16735. http://dx.doi.org/10.1371/journal.pone.0016735.

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Hsieh, Chia-Yu, Chen-Wei Huang, and Yi-Cheng Pan. "Crayfish plague Aphanomyces astaci detected in redclaw crayfish, Cherax quadricarinatus in Taiwan." Journal of Invertebrate Pathology 136 (May 2016): 117–23. http://dx.doi.org/10.1016/j.jip.2016.03.015.

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Castro-Luna, Gracia M., Andrei Martínez-Finkelshtein, and Darío Ramos-López. "Robust keratoconus detection with Bayesian network classifier for Placido-based corneal indices." Contact Lens and Anterior Eye 43, no. 4 (August 2020): 366–72. http://dx.doi.org/10.1016/j.clae.2019.12.006.

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Koster, Frederick, David S. Perlin, Steven Park, Trevor Brasel, Andrew Gigliotti, Edward Barr, Leslie Myers, Robert C. Layton, Robert Sherwood, and C. R. Lyons. "Milestones in Progression of Primary Pneumonic Plague in Cynomolgus Macaques." Infection and Immunity 78, no. 7 (April 12, 2010): 2946–55. http://dx.doi.org/10.1128/iai.01296-09.

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ABSTRACT Vaccines against primary pneumonic plague, a potential bioweapon, must be tested for efficacy in well-characterized nonhuman primate models. Telemetered cynomolgus macaques (Macaca fascicularis) were challenged by the aerosol route with doses equivalent to approximately 100 50% effective doses of Yersinia pestis strain CO92 and necropsied at 24-h intervals postexposure (p.e.). Data for telemetered heart rates, respiratory rates, and increases in the temperature greater than the diurnal baseline values identified the onset of the systemic response at 55 to 60 h p.e. in all animals observed for at least 70 h p.e. Bacteremia was detected at 72 h p.e. by a Yersinia 16S rRNA-specific quantitative reverse transcription-PCR and was detected later by the culture method at the time of moribund necropsy. By 72 h p.e. multilobar pneumonia with diffuse septal inflammation consistent with early bacteremia was established, and all lung tissues had a high bacterial burden. The levels of cytokines or chemokines in serum were not significantly elevated at any time, and only the interleukin-1β, CCL2, and CCL3 levels were elevated in lung tissue. Inhalational plague in the cynomolgus macaque inoculated by the aerosol route produces most clinical features of the human disease, and in addition the disease progression mimics the disease progression from the anti-inflammatory phase to the proinflammatory phase described for the murine model. Defined milestones of disease progression, particularly the onset of fever, tachypnea, and bacteremia, should be useful for evaluating the efficacy of candidate vaccines.

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Elbroch, L. Mark, T. Winston Vickers, and Howard B. Quigley. "Plague, pumas and potential zoonotic exposure in the Greater Yellowstone Ecosystem." Environmental Conservation 47, no. 2 (March 2, 2020): 75–78. http://dx.doi.org/10.1017/s0376892920000065.

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SummaryWe tested for plague (Yersinia pestis) in a puma population in the Greater Yellowstone Ecosystem (GYE) over 9 years, overlapping a case when a boy in the area became infected with plague. Antibodies to Y. pestis were detected in 8 of 17 (47%) pumas tested by complement-enzyme-linked immunosorbent assay, and the organism itself was detected in 4 of 11 (36%) pumas tested after necropsy. Neither puma sex nor age was significantly associated with Y. pestis exposure or mortality, although our sample size was small. The overall prevalence of exposure we recorded was similar to that found along the western slope of Colorado, which is adjacent to the Four Corners region, a known plague hotspot in the USA. This suggests that: (1) Y. pestis may be present at higher levels in the GYE than previously assumed; (2) plague is a significant source of mortality for local pumas (6.6% of sub-adult and adult mortality); and (3) pumas may be a useful sentinel for potential risk of plague exposure to humans throughout the West. We would also emphasize that hunters and others handling pumas in this region should be made aware of the possibility of exposure.

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Rahalison, L., E. Vololonirina, M. Ratsitorahina, and S. Chanteau. "Diagnosis of Bubonic Plague by PCR in Madagascar under Field Conditions." Journal of Clinical Microbiology 38, no. 1 (January 2000): 260–63. http://dx.doi.org/10.1128/jcm.38.1.260-263.2000.

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ABSTRACT The diagnostic value of a PCR assay that amplifies a 501-bp fragment of the Yersinia pestis caf1 gene has been determined in a reference laboratory with 218 bubo aspirates collected from patients with clinically suspected plague managed in a regional hospital in Madagascar. The culture of Y. pestis and the detection of the F1 antigen (Ag) by enzyme-linked immunosorbent assay (ELISA) were used as reference diagnostic methods. The sensitivity of PCR was 89% (57 of 64) for the Y. pestis -positive patients, and 80.7% (63 of 78) for the F1 Ag-positive patients. The specificity of PCR for the culture-, F1 Ag-, and antibody-negative patients ( n = 105) was 100%. Because in Madagascar most patients with plague are managed and their clinical samples are collected in remote villages, the usefulness of PCR was evaluated for routine diagnostic use in the operational conditions of the control program. The sensitivity of PCR was 50% (25 of 50) relative to the results of culture and 35.2% (19 of 54) relative to the results of the F1 Ag immunocapture ELISA. The specificity of PCR under these conditions was 96%. In conclusion, the PCR method was found to be very specific but not as sensitive as culture or the F1 Ag detection method. The limitation in sensitivity may have been due to suboptimal field conditions and the small volumes of samples used for DNA extraction. This technique is not recommended as a routine diagnostic test for plague in Madagascar.

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CONWAY, MARTIN. "The Rise and Fall of Western Europe's Democratic Age, 1945–1973." Contemporary European History 13, no. 1 (February 2004): 67–88. http://dx.doi.org/10.1017/s0960777303001474.

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Why did western Europe become so suddenly democratic after 1945? After the upheavals of the previous decade the rather placid politics that follows the war is at first sight difficult to explain. This article seeks to go beyond the tendency of much historical writing to see the hegemonic parliamentary democracy of the roughly twenty-five years after 1945 as the product of exhaustion, economic prosperity or the constraints imposed by the Cold War. Instead, it argues that a path towards democracy can be detected within the events of the war years which then came to fruition in the rather conservative and limited democratic structures of the postwar decades. This Democratic Age then came to a conclusion in the renewed contestation of the late 1960s and early 1970s.

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Saar, Steven. "Recent Advances in the Observation and Analysis of Stellar Magnetic Fields." International Astronomical Union Colloquium 130 (1991): 389–400. http://dx.doi.org/10.1017/s0252921100079999.

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AbstractThere has been considerable progress recently in the study of magnetic fields on late-type stars. Advances in the theory include investigation of systematic effects, new and improved methods of analysis for unpolarized and circularly polarized lines, new models of stellar dynamos and of broadband linear polarization, and the first studies of the thermodynamic nature of stellar magnetic regions and their vertical structure. Observationally, there have been new measurements, particularly of young and active stars (including the first detection of a field on a pre-main sequence object), a new monitoring campaign, the first indications of the relative temperatures in stellar plages, and the first measurements of fields in a single stellar active region. I discuss the results in the framework of stellar activity and surface structure.

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Saad, Alain, and Damien Gatinel. "Combining Placido and Corneal Wavefront Data for the Detection of Forme Fruste Keratoconus." Journal of Refractive Surgery 32, no. 8 (August 1, 2016): 510–16. http://dx.doi.org/10.3928/1081597x-20160523-01.

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Barata, T., S. Carvalho, I. Dorotovič, F. J. G. Pinheiro, A. Garcia, J. Fernandes, and A. M. Lourenço. "Software tool for automatic detection of solar plages in the Coimbra Observatory spectroheliograms." Astronomy and Computing 24 (July 2018): 70–83. http://dx.doi.org/10.1016/j.ascom.2018.06.003.

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Kleeberg, Isabelle, and Susanne Foitzik. "The placid slavemaker: avoiding detection and conflict as an alternative, peaceful raiding strategy." Behavioral Ecology and Sociobiology 70, no. 1 (October 6, 2015): 27–39. http://dx.doi.org/10.1007/s00265-015-2018-6.

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Sakhno, N. V. "Functional System of Lysozyme and Anti-Lysozyme in Plague Agent and Flea Organism Interralations." Problems of Particularly Dangerous Infections, no. 2(100) (April 20, 2009): 27–29. http://dx.doi.org/10.21055/0370-1069-2009-2(100)-27-29.

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Lysozyme is shown to be one of the factors of flea`s natural non-specific resistence. Lysozyme is detected in various species of rodents fleas. Besides, some plague agent strains are shown to possess anti-lysozyme activity.

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González, Adrián, Gelberth Amarillo, Milton Amarillo, and Francisco Sarmiento. "Drones Aplicados a la Agricultura de Precisión." Publicaciones e Investigación 10 (March 22, 2016): 23. http://dx.doi.org/10.22490/25394088.1585.

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<p>El siguiente artículo presenta los drones como una tecnología que ayuda a los múltiples procesos de la agricultura, a captar información importante y a evaluar las condiciones de los terrenos monitoreados, gracias a sus grandes ventajas para sobrevolar los campos y los cultivos. Ahora no es completamente necesario recorrer todo el cultivo personalmente para detectar los problemas que sufre este, ya que con los drones el procedimiento de evaluar los cultivos se puede hacer de forma virtual, aplicando tecnologías de cámaras con alta definición e información georreferenciada para su ubicación exacta. Lo más importante es el poder determinar de forma prematura y eficiente las enfermedades, las plagas, la maleza y los posibles efectos futuros de daños climáticos como las heladas o sequías. La eficiencia, tanto ambiental como económica, ayuda en los procesos de siembra, costos de riego, abono y fumigación. </p>

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Makkonen, Jenny, Japo Jussila, Jörn Panteleit, Nina Sophie Keller, Anne Schrimpf, Kathrin Theissinger, Raine Kortet, et al. "MtDNA allows the sensitive detection and haplotyping of the crayfish plague disease agent Aphanomyces astaci showing clues about its origin and migration." Parasitology 145, no. 9 (February 26, 2018): 1210–18. http://dx.doi.org/10.1017/s0031182018000227.

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AbstractThe oomycete Aphanomyces astaci, the causative agent of crayfish plague, is listed as one of the 100 worst invasive species in the world, destroying the native crayfish populations throughout Eurasia. The aim of this study was to examine the potential of selected mitochondrial (mt) genes to track the diversity of the crayfish plague pathogen A. astaci. Two sets of primers were developed to amplify the mtDNA of ribosomal rnnS and rnnL subunits. We confirmed two main lineages, with four different haplogroups and five haplotypes among 27 studied A. astaci strains. The haplogroups detected were (1) the A-haplogroup with the a-haplotype strains originating from Orconectes sp., Pacifastacus leniusculus and Astacus astacus; (2) the B-haplogroup with the b-haplotype strains originating from the P. leniusculus; (3) the D-haplogroup with the d1 and d2-haplotypes strains originating from Procambarus clarkii; and (4) the E-haplogroup with the e-haplotype strains originating from the Orconectes limosus. The described markers are stable and reliable and the results are easily repeatable in different laboratories. The present method has high applicability as it allows the detection and characterization of the A. astaci haplotype in acute disease outbreaks in the wild, directly from the infected crayfish tissue samples.

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Mrugała, Agata, Miloš Buřič, Adam Petrusek, and Antonín Kouba. "May atyid shrimps act as potential vectors of crayfish plague?" NeoBiota 51 (November 1, 2019): 65–80. http://dx.doi.org/10.3897/neobiota.51.37718.

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The causative agent of crayfish plague, Aphanomyces astaci Schikora, was long considered to be a specialist pathogen whose host range is limited to freshwater crayfish. Recent studies, however, provided evidence that this parasite does not only grow within the tissues of freshwater-inhabiting crabs but can also be successfully transmitted by them to European crayfish species. The potential to act as alternative A. astaci hosts was also indicated for freshwater shrimps. We experimentally tested resistance of two freshwater atyid shrimps: Atyopsis moluccensis (De Haan, 1849) and Atya gabonensis Giebel, 1875. They were infected with the A. astaci strain associated with the globally widespread North American red swamp crayfish, Procambarus clarkii (Girard, 1852), the typical host of the A. astaci genotype group D. As popular ornamental species, both shrimps may get in contact with infected P. clarkii not only in the wild but also in the aquarium trade. We assessed the potential of shrimps to transmit A. astaci to susceptible crayfish by cohabiting A. gabonensis previously exposed to A. astaci zoospores with the European noble crayfish, Astacus astacus (Linnaeus, 1758). In both experiments, the presence of A. astaci infection was analysed with species-specific quantitative PCR. We detected A. astaci in bodies and exuviae of both shrimp species exposed to A. astaci zoospores, however, the intensity of infection differed between the species and analysed samples; it was higher in A. moluccensis and the exuviae of both species. A. astaci was also detected in one A. astacus individual in the transmission experiment. This finding reveals that freshwater shrimps may be able to transmit A. astaci to crayfish hosts; this is particularly important as even a single successful infection contributes to the spread of the disease. Moreover, our results indicate that the tested shrimp species may be capable of resisting A. astaci infection and reducing its intensity through moulting. Although their potential to act as prominent A. astaci vectors requires further research, it should not be ignored as these freshwater animals may then facilitate A. astaci spread to susceptible crayfish species in aquarium and aquaculture facilities as well as in the wild.

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Almeida, Alzira Maria Paiva de, and Luis Carlos de Souza Ferreira. "Evaluation of three serological tests for the detection of human plague in northeast Brazil." Memórias do Instituto Oswaldo Cruz 87, no. 1 (March 1992): 87–92. http://dx.doi.org/10.1590/s0074-02761992000100014.

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Dong, Yue-fang, Lei-lei Shi, Wei-wei Fu, and Zhe Zhou. "Design and Implementation of Dry Eye Detection Illumination Imaging System Based on Placido Disc." Procedia Computer Science 131 (2018): 267–72. http://dx.doi.org/10.1016/j.procs.2018.04.213.

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Simon, Stéphanie, Christian Demeure, Patricia Lamourette, Sofia Filali, Marc Plaisance, Christophe Créminon, Hervé Volland, and Elisabeth Carniel. "Fast and Simple Detection of Yersinia pestis Applicable to Field Investigation of Plague Foci." PLoS ONE 8, no. 1 (January 29, 2013): e54947. http://dx.doi.org/10.1371/journal.pone.0054947.

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Journal articles on the topic 'Detector de plagio'

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