• 한국패류학회지
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• 제17권1호
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• pp.27-33
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• 2001

The Ovarian developmental phases of the reproductive cycle of Rapana venosa can be classified into five successive stages by histological study: early active stage (September to February), late active stage (December to April), ripe stage (March to July), partially spawned stage (May to August), and recovery stage (June to September). To understand the characteristics of nutrient storage and utilization in the digestive gland cells with ovarian developmental phases, we examined the digestive gland - which is the major nutrient supply organ associated with ovarian development of the female purple shell - by biochemical methods. Total protein contents in the digestive gland tissues increased in March (late active stage) and reached the maximum in May (ripe and partially spawned stages), and then their levels sharply decreased in July (partially spawned and recovery stages). Total lipid contents in the digestive gland tissues reached the maximum in January (early active stage). Thereafter, their levels rapidly decreased from May (ripe and partially spawned stages) and reached a minimum in July (partially spawned and recovery stages). The total DNA contents did not significantly change regardless of the different developmental stages of the ovary. However, it was also found from biochemical analysis that changes in total RNA content follow the same seasonal cycling to protein. These results indicate that the digestive gland is an important energy storage and supply organ in purple shells, and that the nutrient contents of the digestive gland change in response to gonadal energy needs.

• Animal Systematics, Evolution and Diversity
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• 제34권3호
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• pp.168-173
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• 2018

The family Triphoridae Gray, 1847 is a group of marine microgastropods characterized by sinistral (left-coiled) shells except for the subfamily Metaciinae, which has dextral shell coiling. We report a new record of Mastonia rubra (Hinds, 1843) collected from the intertidal zone from Jeju Island, Korea and revise species list for Korean Triphoridae species. Mastonia rubra is distinguished from Inforis fusiformis(Kosuge, 1961) by the purple color of the first and second whorls of the teleoconch, whereas they are light colored and nearly white corresponding whorls in I. fusiformis. Including this new record, the Korean Triphoridae comprises 20 species from 15 genera.

• 복식
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• 제60권2호
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• pp.99-113
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• 2010

The corpse make-up depending on the cause of death shown in CSI is the only evidence to solve a case, and shows the characteristics of the unique make-up on the corpse, according to the causes of death. There are many types of death causes such as strangulation, manslaughter, assassination and shooting, of which the strangulation is caused by strangling the neck with the hands or using a weapon and has characteristics of showing other external wounds with purple spots appearing on the body after death. This is a presentation of the corpse with a face of white, and the purple spots bruised on the neck. Manslaughter shows deep wounds caused by a stab or laceration using a weapon, and the material feeling of the wound that makes new skin tissue, is realistically presented with make-up of gooey blood. Assassination can be thought as manslaughter in disguise as an accidental death, which the causes can be due to electrocution, suffocation from oxygen deficiency and from excessive monoxide. The make-up is presented by realistically showing the surrounding fragments of the bullet shell, the blood running down, the size of the hole in the body made from the bullet, and shows the broken skin tissues. The shape of the bullet wound can be presented differently based on the body part where the bullet penetrated into, and the part where the bullet shot out through.

• 한국응용과학기술학회지
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• 제30권3호
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• pp.504-517
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• 2013

The purpose of this study was to process extraction and separation for polyglucose porpyran from pophyra yezoensis as high yield. The acidic porphyran solution was extracted with 0.1~1N of ${\alpha},{\beta}$-dichloromaleic acid or ${\alpha}$-chloromaleic acid of 2% solution as organic acid instead of inorganic acid at $60^{\circ}C$ and then porphyran was collection of high yield to acidic solution and it was neutralization treated with 0.1N of $d-Ca(OH)_2$ solution and the mixture was conversion to porphyran salt form and treated with a shell powder of ouster and then added of ethanol as precipitator. It recovery porphyran contained of violet purple laver coloring matter was obtained as a crystalline and used for the next step without future purification to prepare of porphyran laver jam. so, The resulting porphyran and porphyran jam was characterized by it component and physical properties.

• 한국발생생물학회지:발생과생식
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• 제6권1호
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• pp.37-44
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• 2002

자연 생물자원 관리를 위해, 광양만내 인공적으로 폐쇄된 슬라그 적재장내에 서식하는 암컷 피뿔고둥 Rapana venose(Valenciennes)를 대상으로 조직학적, 육안적 관찰에 의해 군성숙도, 성비, 산란빈도, 난낭 산출 및 포란수를 조사하였다. 암컷 개체들의 군성숙도(%)는 각고 7.1~8.0 cm의 경우 51.6%이었고, 9.1 cm 이상인 개체들의 경우는 100%이었다. 개체당 총난낭수 및 난낭내의 평균 난수는 각각 192~382개와 500개이었는데, 저염분이나 먹이가 부족한 환경조건을 갖추고 있는 폐쇄된 슬러그 적재장내에 서식하는 피뿔고둥들은 최적 염분농도 및 충분한 먹이조건을 갖추고 있는 개방된 지역의 것보다 개체당 총난낭수 및 난낭내 평균 난수가 적었으며,난낭의 크기도 작았다. 본 종의 포란수는 대략 개체당 96,000~191,000이었고, 산란기 중 적어도 2~4회의 산란빈도를 갖는다. 난낭내에서의 발생기간은 약 18~2$0^{\circ}C$에서 18~19일이었다. 피뿔고둥의 배는 어린 고둥이 아닌, 피면자유생으로 부화하였다. 암컷 : 수컷의 성비는 1 : 1로 유의한 차를 보이지 않았다($\chi$$^2$= 0.23, p>0.05)

• 보존과학회지
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• 제20권
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• pp.105-117
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• 2007

사적 제450호 사천 늑도 유적에서 출토된 구슬의 분석을 통하여 이 유적의 고대유리 문화의 특성을 확인하고 이를 경상도 지역 출토 고대유리의 특성과 비교하였다. 시료는 광학현미경과 SEM을 이용하여 미세구조를 관찰하고 비중측정을 통해 물성을 확인하였다. SEM-EDS를 이용하여 유리의 구성 요소인 융제, 안정제, 착색제의 조성을 분석하였으며, XRD를 이용하여 기타 구슬시료의 재질을 조사하였다. 조개구슬로 분류한 백색 불투명 구슬은 비정질의 규산염계 물질로 확인되었으며, 청색 계열의 유리구슬은 포타쉬유리군($SiO_2-K_2O$ group). LCA(Low-CaO, $Al_2O_3$) 계통으로 색상별로 벽색과 청록색은 LCA-A(LCA-CaO<$Al_2O_3$) 계통, 감색은 LCA-B(LCA-CaO>$Al_2O_3$) 계통으로 확인된다. 이를 경상도지역에서 출토된 고대유리와 비교하면 AD $2{\sim}3$세기 이전의 포타쉬유리와 유사한 특징을 보인다.

• 한국식품영양과학회지
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• 제36권7호
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• pp.926-931
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• 2007

LC-MS/MS법에 의하여 설사성 패류독소 7종(okadaic acid, dinophysistoxin-1, -3, pectebotoxin-1, -2, -6, yessotoxin)의 동시 분석 조건을 확립하였고, 2006년 3월부터 9월까지 매월 5종의 이매패(굴, 진주담치, 반지락, 가리비, 개조개, 6월부터 9월까지는 가리비 대신 피조개)를 정기적으로 통영시장에서 구입하여 분석하였으며, 기존의 마우스 검사법과 비교하였다. 마우스 검사법으로는 총 35종 시료 중 3월의 굴과 진주담치에서 0.05${\sim}$0.1 MU/g의 독성을 나타내었으나, 이미 알려진 설사성 패류독소는 전혀 검출되지 않아 다른 성분에 의한 것으로 판단되었다. 한편, LC-MS/MS법에 의하여서는 6월 진주담치에서 dinophysistoxin-1(DTX1)이 0.05 ${\mu}g/g$ 검출되었으며, 8월의 모든 시료에서 okadaic acid(OA)가 0.01${\sim}$0.02 ${\mu}g/g$ 검출되었다. 이들은 외국의 기준치[0.05 MU/g(일본), OAs(OA+DTX1) 0.16 ${\mu}g/g$(EU)]보다 매우 낮은 함량으로 식품 위생상 안전하였다.