• Title/Summary/Keyword: a cat

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Traumatic Myiasis Caused by an Association of Sarcophaga tibialis (Diptera: Sarcophagidae) and Lucilia sericata (Diptera: Calliphoridae) in a Domestic Cat in Italy

  • Pezzi, Marco;Whitmore, Daniel;Chicca, Milvia;Lanfredi, Margherita;Leis, Marilena
    • Parasites, Hosts and Diseases
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    • v.53 no.4
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    • pp.471-475
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    • 2015
  • We describe here a rare case of traumatic myiasis occurred in August 2014, caused by an association of 2 Diptera species, Sarcophaga tibialis Macquart (Diptera: Sarcophagidae) and Lucilia sericata (Meigen) (Diptera: Calliphoridae), in a domestic cat in northern Italy. Species identification was based on adult male morphology. The present case is the first report of S. tibialis as an agent of myiasis in Italy, and also the first ever report of myiasis caused by an association of S. tibialis and L. sericata. The cat developed an extensive traumatic myiasis in a large wound on the rump, which was treated pharmacologically and surgically. The biology, ecology, and distribution of S. tibialis and L. sericata are also discussed. A literature review is provided on cases of myiasis caused by S. tibialis, and cases of myiasis by L. sericata involving cats worldwide and humans and animals in Italy.

Effect of sodium on transmembrane calcium movement in the cat ileal longitudinal muscle

  • Rho, Young-Jae;Yun, Il;Kang, Jung-Sook
    • Archives of Pharmacal Research
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    • v.10 no.2
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    • pp.80-87
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    • 1987
  • To get a better insight into the exxistence and the role of a Na-Ca exchange mechanism in smooth muscle, the effect of Na substitution with sucrose on tension development, cellular Ca uptake and $^{45}Ca$ efflux was investigated using isolated cat ileal longitudinal muscle strips. Experimental results were summarized as follows;1) Exposure of the cat ileal longitudinal muscle to Na-free solution induced a contraction, and the magnitude of the contraction increased after incubation of the muscle strips with ouabain ($2{\times10^{-}5}$M) for 1hr. 2) Cellular Ca uptake in Na-free solution increased with an increase in Na content of the Na-loading media, and a linear relationship existed between tissue Na content and cellular Ca uptake for 10 min 3) After tissues were equilibrated in PSS containing $^{45}Ca$ for 2hr, cellular Ca uptake decreased with rising the external Na concentration. 4)Removal of medium Na or inhibition of the Na-K pump decreased the rate of $^{45}Ca$ efflux. These results strongly suggested that Na substitution increases cellular Ca uptake and decreases the rate of $^{45}Ca$ efflux via a Na-Ca exchange mechanism.

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Diagnostic laparoscopy in a leopard cat (Prionailurus bengalensis) with intercostal abdominal hernia and hepatic lipidosis

  • Seok, Seong-Hoon;Park, Se-Jin;Lee, Seung-Yong;Lee, Hee-Chun;Yeon, Seong-Chan
    • Korean Journal of Veterinary Research
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    • v.57 no.2
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    • pp.127-129
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    • 2017
  • Intercostal abdominal hernia in the 11th intercostal space was identified in a leopard cat. Although mild leukopenia was found in laboratory examinations, no remarkable abnormality was revealed in medical imaging. To investigate abdominal organs, diagnostic laparoscopy was performed after hernia repair. In laparoscopic view, closure of the herniation site and a lesion with whitish discoloration in the liver (left medial lobe) were observed. Subsequently, laparoscopic liver biopsy was performed against the affected hepatic tissue. Histologically, the sample was diagnosed as mild hepatic lipidosis. Laparoscopy is considered useful for abdominal visceral examination and liver biopsy in a leopard cat patient.

A Design of the Cat's Eye System with Low Power Consumption Using Solar Energy (태양광을 이용한 저전력의 LED 표지병 설계)

  • Kim, Keun-Sik;Kim, Jong-Hoon
    • Journal of Digital Convergence
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    • v.14 no.1
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    • pp.181-187
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    • 2016
  • Typical Retro-reflectors installed on road have problems such as limiting a driver's visibility at night when it is foggy or rainy. On the other hand, LED illuminated studs, called cat's eye system, extends a driver's visibility under these conditions. In this paper, we present a design of the LED cat's eye system using solar energy that can sustain vehicles with about 30-ton weight and is compliant with the IP68 code for water proof as IEC standard 60529. In addition, we propose a scheme of designing a LED driving circuit consuming low power to take into accounts cold weather or rainy season with limited sunlight. This LED cat's eye studs is currently installed and used on expressway and bike route nationally as well as overseas.

A Study on Architecture of Access Control System with Enforced Security Control for Ubiquitous Computing Environment (유비쿼터스 컴퓨팅 환경을 위한 보안통제가 강화된 접근제어 시스템 설계에 관한 연구)

  • Eom, Jung-Ho;Park, Seon-Ho;Chung, Tai-Myoung
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.18 no.5
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    • pp.71-81
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    • 2008
  • In the paper, we designed a context aware task-role based access control system(CAT-RACS) which can control access and prevent illegal access efficiently for various information systems in ubiquitous computing environment. CAT-RACS applied CA-TRBAC, which adds context-role concept for achieve policy composition by context information and security level attribute to be kept confidentiality of information. CA-TRBAC doesn't permit access when context isn't coincident with access control conditions, or role and task's security level aren't accord with object's security level or their level is a lower level, even if user's role and task are coincident with access control conditions. It provides security services of user authentication and access control, etc. by a context-aware security manager, and provides context-aware security services and manages context information needed in security policy configuration by a context information fusion manager. Also, it manages CA-TRBAC policy, user authentication policy, and security domain management policy by a security policy manager.

An Analysis on the Juvenile Books on Korea and Japan in the WorldCat (WorldCat 수록 한국 및 일본 관련 청소년 책의 분석)

  • Yoon, Cheong-Ok
    • Journal of the Korean Society for Library and Information Science
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    • v.47 no.3
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    • pp.5-23
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    • 2013
  • The purpose of this study is to analyze the characteristics of juvenile books on Korea and Japan in WorldCat and observe the possibility of diffusing knowledge on each country. The distribution of bibliographic records of books published from 1993 through 2012, and especially the books published in 1997, when the numbers of books on both countries were the closest, were analyzed in detail in terms of language, genre, subject headings, and holding libraries. The result shows much fewer bibliographic records of juvenile books on Korea than those of books on Japan, and their growing gap every year. There were also much fewer holding libraries and copies of books on Korea, published in 1997, compared to books on Japan. The texts were mostly written in Korean and in tones set for very young readers. A serious lack of diversity in subjects and genres with the focus on Korean folklores and anecdotal biographies were also observed. Therefore, there seems to be nothing much interesting to read that would help promote the diffusion of knowledge on Korea through libraries around the world.

Development of Duplex PCR Method for Simultaneous Detection of Rabbit (Oryctolagus cuniculus) and Cat (Felis catus) Meats (Duplex PCR을 이용한 토끼(Oryctolagus cuniculus)와 고양이(Felis catus) 육류의 동시 검출법 개발)

  • Hong, Yeun;Kim, Mi-Ju;Yang, Seung-Min;Yoo, In-Suk;Kim, Hae-Yeong
    • Journal of Applied Biological Chemistry
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    • v.58 no.4
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    • pp.383-387
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    • 2015
  • A duplex polymerase chain reaction (PCR) detection method was developed to authenticate the use of cat and rabbit in food and to prevent unlawful distribution of illegally butchered meat in both domestic and imported food market. Species-specific primers were designed targeting mitochondrial cytochrome b gene. The sizes of PCR products were 191 bp for cat and 101 bp for rabbit, which were relatively small for better application of the detection method on processed foods. Specificities of primers were verified using 21 animal species including cat and rabbit. Limit of detection was examined by serial dilution of the sample DNA and confirmed as 0.005 ng for rabbit and 0.0005 ng for cat using Bioanalyzer. The developed duplex PCR method showed specificity and sensitivity in the identification of two target species.

Differential Expression of Arabidopsis Cab Promoters in Organs of Transformed Tobacco Plants (형질전환된 담배식물체의 기관에 따른 Arabidopsis Cab Promoter의 차별적 실험)

  • 홍순조
    • Journal of Plant Biology
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    • v.35 no.3
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    • pp.229-235
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    • 1992
  • Differential expression of the three chlorophyll afb binding (cab) protein gene (cabl, cab2, and cab3) promoters of Arabidopsis thaliana was studied in tobacco plants transformed with cab-CAT (chloramphenicol acetyltransferase) translational fusions. CAT activity was measured to monitor the activities of the cab promoters. The activity of cabi promoter was higher than the other two in transformed tobacco leaves and also in calli and shoots derived from the leaves. Their activities were organ-specific and were the lowest in roots, medium in stems, and the highest in leaves. The relative activity of cabi promoter in stems comparing to it activity in leaves was, however, much higher than the values of cab2 and cab3. When the cab promoter activity was expressed as CAT activity per unit chlorophyll instead of CAT activity per unit protein, the relative cab] promoter activity (stem/leaf) became almost unity. This result suggests that cab2 and cab3 show photosynthetic organ-specificity but cabl does not. Similar result was obtained in the differentiation process of stems and leaves from shoots derived from the transgenic tobacco leaves.leaves.

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Where to spot: individual identification of leopard cats (Prionailurus bengalensis euptilurus) in South Korea

  • Park, Heebok;Lim, Anya;Choi, Tae-Young;Baek, Seung-Yoon;Song, Eui-Geun;Park, Yung Chul
    • Journal of Ecology and Environment
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    • v.43 no.4
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    • pp.385-389
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    • 2019
  • Knowledge of abundance, or population size, is fundamental in wildlife conservation and management. Camera-trapping, in combination with capture-recapture methods, has been extensively applied to estimate abundance and density of individually identifiable animals due to the advantages of being non-invasive, effective to survey wide-ranging, elusive, or nocturnal species, operating in inhospitable environment, and taking low labor. We assessed the possibility of using coat patterns from images to identify an individual leopard cat (Prionailurus bengalensis), a Class II endangered species in South Korea. We analyzed leopard cat images taken from Digital Single-Lense Relfex camera (high resolution, 18Mpxl) and camera traps (low resolution, 3.1Mpxl) using HotSpotter, an image matching algorithm. HotSpotter accurately top-ranked an image of the same individual leopard cat with the reference leopard cat image 100% by matching facial and ventral parts. This confirms that facial and ventral fur patterns of the Amur leopard cat are good matching points to be used reliably to identify an individual. We anticipate that the study results will be useful to researchers interested in studying behavior or population parameter estimates of Amur leopard cats based on capture-recapture models.

A Novel Watermarking using Cellular Automata Transform (셀룰러 오토마타 변환을 이용한 새로운 워터마킹)

  • Piao, Yong-Ri;Kim, Seok-Tae
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2008.05a
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    • pp.155-158
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    • 2008
  • In this paper, we propose a novel blind watermarking Method using 2D CAT (Two dimensional cellular automata transform). In our scheme, firstly, we obtain the gateway values to generate a dual-state, dual-coefficients basis function. Secondly, the basis function transforms images into cellular automata space. Lastly, we use the cellular automata transform coefficients to embed random noise watermark in the cover images. The proposed scheme allows only one 2D CAT basis function per gateway value. Since there are $2^{96}$ possible gateway values, better security is guaranteed. Moreover, the new method not only verifies higher fidelity than the existing method but also stronger stability on JPEG lossy compression, filtering, sharpening and noise through tests for robustness.

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