• Title/Summary/Keyword: spots

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Study on a pair of small spot of nonsexual gland hind of the larvae in Bombyx mori L. (I) (유충의 생식후원선이 아닌 한 쌍의 소반점에 관한 조사연구 (1))

  • 윤종관
    • Journal of Sericultural and Entomological Science
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    • no.11
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    • pp.51-54
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    • 1970
  • External features of silkworms are not evident during stage of larvae and pupae like in the stage of imagines. In general, therefore, sexing of larvae has been depended on Herold's gland of males or Ishiwata' sexual spots (Anterior sexual spots and posterior sexual spots) of a female 2-3 days after of the 5th age since it is relatively easy to classify in this period. Sometimes. however, we made mistake of sexing since a pair of small spot around the abdomen of 9th abdominal of males and posterior sexual spot of females was found at the same position. This study has been conducted in order to obtain essential points of classifing the above it will be summarized as follows: A. Existence of the males small spots on 9th abdominal segment were varied by races. Through observation races by races the more larvae which had the small spots were found in chinese races than the Japanese, and 57 percent of the Chinese orgin larvae of the small spot were picked among total counted males. B. The small spots were more or less roundly shaped just as posterior sexual spots of females, and these spots were colored slightly even the colors were somewhat different by races. Milky color was seen in the case of the posterior sexual spots. The small spots were observed smaller than the posterior sexual spots. It is difficult classify the sexual spots during stage of mature larvae, but it was easily classified small spots by the naked eye even in the same stage. The small spots were found at the same site of the posterior sexual spots. C. After sexing by based on the small spots and Herold's gland, the sexing through purpae bodies were carried out again to confirm its correctness. Average 5. 2 percent of more opposite sex were found in the latter. This figures supposed to be caused the location of the small spots coincide with the posterior sexual spots. D. The moths, no disorder were found in daily activities and their generative functions depend on the existence of the small spot and thickness of its color. E. It is presumed that existence of the small spots were caused by races, heredity nature, voltinism, moulting, and etc.

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Comparative proteome analysis of diploid and tetraploid root in Platycodon grandiflorum

  • Kwon, Soo Jeong;Roy, Swapan Kumar;Yoo, Jang-Hawan;Cho, Seong-Woo;Kim, Hag Hyun;Boo, Hee Ock;Woo, Sun-Hee
    • Proceedings of the Korean Society of Crop Science Conference
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    • 2017.06a
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    • pp.123-123
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    • 2017
  • In spite of the potential medicinal significance and a wide range of pharmacologic properties of Platycodon grandiflorum, the molecular mechanism of its roots is still unknown. The present study was conducted to profile proteins from 3, 4 and 5 months aged diploid and tetraploid roots of Platycodon grandiflorum using high throughput proteome approach. Two-dimensional gels stained with CBB, a total of 68 differential expressed proteins were identified from the diploid root out of 767 protein spots using image analysis by Progenesis SameSpot software. Out of total differential expressed spots, 29 differential expressed protein spots (${\geq}2-fold$) were analyzed using LTQ-FTICR MS whereas a total of 24 protein spots were up-regulated and 5 protein spots were down-regulated. On the contrary, in the case of tetraploid root, a total of 86 differential expressed proteins were identified from tetraploid root out of 1033 protein spots of which a total of 39 differential expressed protein spots (${\geq}2-fold$) were analyzed using LTQ-FTICR MS whereas a total of 21 protein spots were up-regulated and a total of 18 protein spots were down-regulated. It was revealed that the identified proteins from the explants were mainly associated with the nucleotide binding, oxidoreductase activity, transferase activity. Taken together, the identified proteins may be helpful to identify key candidate proteins for genetic improvement of plants.

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Detection of Landmark Spots for Spot Matching in 2DGE (2차원 전기영동 영상의 스팟 정합을 위한 Landmark 스팟쌍의 검출)

  • Han, Chan-Myeong;Suk, Soo-Young;Yoon, Young-Woo
    • Journal of the Korean Society of Industry Convergence
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    • v.14 no.3
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    • pp.105-111
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    • 2011
  • Landmark Spots in 2D gel electrophoresis are used in many methods of 2DEG spot matching. Landmark Spots are obtained manually and it is a bottle neck in the entire protein analysis process. Automated landmark spots detection is a very crucial topic in processing a massive amount of 2DGE data. In this paper, Automated landmark spot detection is proposed using point pattern matching and graph theory. Neighbor spots are defined by a graph theory to use and only a centered spot and its neighbor spots are considered for spot matching. Normalized Hausdorff distance is introduced as a criterion for measuring degree of similarity. In the conclusion, the method proposed in this paper can get about 50% of the total spot pairs and the accuracy rate is almost 100%, which the requirements of landmark spots are fully satisfied.

A Study of the Forms and Decorative Functions of Beauty Spots (뷰티 스폿(Beauty Spots)의 형태와 장식적 기능에 관한 연구)

  • Moon, Jeong-Eun;Kim, Sook-Jin
    • Journal of the Korean Society of Costume
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    • v.59 no.9
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    • pp.131-145
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    • 2009
  • Literature in beauty art is insufficient regarding beauty spot, though it has played an important role in beauty art history. This study aims at analyzing various patterns and decorative functions of beauty spots and examining their remarkable differences by place and time. It attempts to find the symbolistic characteristics of beauty patch which influenced European countries socially and culturally in the 17th and 18th centuries, findings are as follows: first, beauty spots are extremely various by patch patterns and by forms, e.g. Wha-Jeon(花鈿), Bindi and artificial points. In the view of cosmetic purpose, they have been used to beautify appearances, reveal social positions and express the desires like blessing or protection from evil. In the times of Baroque and Rococo, though temporarily, people with beauty spots and their belonged societies used them as communicative tools: obviously, they functioned symbolistically. This study surveyed 156 persons to find what cosmetic messages and images beauty spots present in the contemporary world. Using SPSS 13.0, the study analyzed the responses and found that beauty spots are still functioning and welcomed to let women look more beautiful and more attractive, though their cosmetic messages and sizes have been simplified and scaled down.

Studies on the flavonoids of the Hibiscus syriacus L. Complex (무궁화 품종내의 flavonoid 성분분포에 관한연구)

  • 유기역
    • Korean Journal of Plant Resources
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    • v.9 no.3
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    • pp.224-229
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    • 1996
  • Floral flavonoids of Hibiscus syriacus L. six complex with 68 formac all in all were examined. Thirteen flavonoids appeared on the two dimensional chromatogtams. Spot 5, however, occupied more than 50% in total flavonoid contents, and other spots were invariably minor pigments in all samples examined. Ten spots among 13 spots showed the characteristics of flavones, having color of purple to dark purple under UV light and yellow under ammonia gas, while spots reagents suggests that 10 purple spots are 4', 5-OH aglycone type. Four spots out of 10 purple spots were possible to be identified: spot 5, saponarin, spot 7, vitexin, spot 9, xylovitexin, and spot 11, rhamnosylvitexin, respectively. It was suggested that spot 13 might be apigenin-7-O-diglycoside.

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Characterization of Protein Expression in the Head of Oryzias latipes in Response to Acute and Chronic Exposure to Benzo(a)pyrene

  • Oh, Jeong-Hwan;Moon, Hyo-Bang;Choe, Eun-Sang
    • Korean Journal of Environmental Biology
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    • v.26 no.3
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    • pp.220-225
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    • 2008
  • In this study, alterations in whole proteome expression patterns in the head of Japanese medaka (Oryzias latipes) was investigated following acute or chronic exposure to benzo(a)pyrene (BaP) (25 ${\mu}g$ L$^{-1}$) for 48 hrs and 15 days, respectively. The results showed that 9 and 6 protein spots were statistically different, relative to controls, in response to acute and chronic BaP exposure, respectively. In the acute exposure group, 5 spots were up regulated and 4 spots were downregulated, while in the chronic exposure group, 4 spots were upregulated and 2 spots were downregulated. Three of these spots were common to both the acute and chronic BaP exposure groups and were identified using LC-MS/MS followed by database searching. These 3 spots were found to be associated with structural proteins belonging to the actin and keratin families. These data suggest that acute and chronic exposures to BaP may affect tissue morphology in the head of Japanese medaka.

A Comparative Study on the Type of Scenic Spots in Northeast Asia (동북아시아 명승 유형 비교연구)

  • Lee, Jin-Hee;Lee, Young-Yi;Lee, Jae-Keun
    • Journal of the Korean Institute of Traditional Landscape Architecture
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    • v.30 no.1
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    • pp.31-38
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    • 2012
  • This study was conducted for the purpose of pursuing the development of Korean scenic spots1) by comparing policies of preserving and maintaining scenic spots in Northeast Asia, especially in South Korea, Japan, Taiwan, China. The objects to be compared for this study were the concepts and designation criteria of scenic spots, the types and present conditions of designated scenic spots and the preservation policies and budgets for scenic spots and so on. As for the research methods, analyses of literary documents, domestic and oversea on-site surveys and mutually-comparative analyses of translated data from China, Taiwan and Japan, etc. were used for this study, and the main results obtained by those research methods can be summarized as blow. As for the present conditions of designated scenic spots, it was found that there were more natural scenic spots than natural ones in Korea, Taiwan and China, while there were more cultural heritages designated as scenic spots than natural heritages in Japan. With Tourism Development Ordinance additionally enacted, which involves the contents related to the permission of tourism development and investment for scenic spots, the Taiwanese government tries to activate tourist attractions by attracting private enterprises' investments. What is unique about Japan is that some places can be pre-designated as scenic spots through an education committee called 'Scenic Spot Designation Committee'. The study of the book was investigation analysis with the designated present situation and the actual situation of the northeastern Asian national natural beauty spot. The type of Korea natural beauty spot resources and the appointment. I was going to offer it with a basic document to expect a designated standard and the designated activation of the Korea natural beauty spot.

A study on the Thickness of Egg Shell Membrane and Egg Shell in Quail Eggs (메추리의 난각과 난각막의 두께에 관한 연구)

  • 하정기
    • Korean Journal of Poultry Science
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    • v.7 no.2
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    • pp.47-53
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    • 1980
  • This study was carried out to investigate the variations in the thickness of egg shell and egg shell membrane of Quail eggs from July 25, 1978 to September 7, 1978. No. of eggs used in this experiment was 520 okay and all the eggs were purchased from a farm located in Jinju city. The results obtained are summarized as follows: 1. Egg shells of quail were classified as white egg shell with large spots, egg shell with large spots, violet egg shell with small spots and beige egg shell with small spots by the exterior shell colour and their average egg weights were 8.993g, 8.866g, 8.403g and 8.109g, respectively. 2. Average egg shell thickness of white egg shell with large spots, egg. shell with large spots, violet egg shell with small spots and beige on shell with small spots were 0.171mm, 0.169mm, 0.160mm, and 0.156mm, respectively. 3. Average eggs shell membrane of white egg shell with large spots, egg shell with large spots, violet egg shell with small spots and beige egg shell with small spots were 0.0449mm, 0.0431mm, 0.0398mm, and 0.0397mm, respectively. 4. Negative correlation coefficient was found between egg shell thickness ana egg shell membrane thickness, but it was not significant. 5. Comparing quail egg with fowl egg, the thickness of quail egg shell was much thinner than that of fowl egg, but egg shell membrane thickness was similar between the two.

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A Study on the Choice of 'The New Ten Beauty Spots in Daegu City' ('신 대구십경' 선정에 관한 연구)

  • JEON, Young-Gweon
    • Journal of The Geomorphological Association of Korea
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    • v.18 no.3
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    • pp.93-105
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    • 2011
  • 'This study aims to make a choice of 'the new ten beauty spots in Daegu city' based on the analysis of survey of 390 persons selected randomly. The main results are as follows. First, there is no distinctive regional character in making a choice of 'the new ten beauty spots in Daegu city'. Second, 'Gong-Ryeong-jeok-Seol(公嶺積雪) and Buk-Byeok-Hyang-Rim(北壁香林)' among 'Daegusibyeong(大丘十詠)' written by geo-jeong Seo in the Chosun(朝鮮) dynasty are included into 'The new ten beauty spots in Daegu city'. Third, The most picturesque place is Mt. Palgong in Daegu city. Fourth, most people estimate a historical nature as the most important factor in making a choice of 'The new ten beauty spots in Daegu city', but it has not been found such tendency in the selected places as 'The new ten beauty spots in Daegu city'. Fifth, both male and female have chosen Mt. Biseul, Duryu tower, Mt. Palgong and Daegu stadium as 'The new ten beauty spots in Daegu city'. Sixth, natives of Daegu as well as non-natives of Daegu tend to highly prefer Duryu tower, Mt. Biseul and Mt. Palgong.

Detecting Crime Hot Spots Using GAM and Local Moran's I

  • Cheong, Jin-Seong
    • International Journal of Contents
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    • v.8 no.2
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    • pp.89-96
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    • 2012
  • Scientific analysis of crime hot spots is essential in preventing and/or suppressing crime. However, results could be different depending on the analytic methods, which highlights the importance of choosing adequate tools. The purpose of this study was to introduce two advanced techniques for detecting crime hot spots, GAM and Local Moran's I, hoping for more police agencies to adopt better techniques.GAM controls for the number of population in study regions, but local Moran's I does not. That is, GAM detects high crime rate areas, whereas local Moran's I identifies high crime volume areas. For GAM, physical disorder was used as a proxy measure for population at risk based on the logic of the broken windows theory. Different regions were identified as hot spots. Although GAM is generally regarded as a more advanced method in that it controls for population, it's usage is limited to only point data. Local Moran's I is adequate for zonal data, but suffers from the unavoidable MAUP(Modifiable Areal Unit Problem).