• 한국인쇄학회지
• /
• 제30권3호
• /
• pp.57-64
• /
• 2012

When papers each made with sea-algae pulp 1%, 5% and soft, hard wood pulp were aged for 12days. Paper made with soft wood pulp is 30% loss of folding endurance, made with hard wood pulp is 50% loss of folding endurance. On the other, papers each made with 9% sea-algae pulp and soft, hard wood pulp were 18% loss of folding endurance. In the aging test of paper made with different freeness paper made with 300ml CSF, is more effective than 400ml CSF, 500ml CSF.

• 생약학회지
• /
• 제35권2호통권137호
• /
• pp.143-146
• /
• 2004

The effects of the MeOH and water extracts from the marine algae Pelvetia siliquosa were evaluated on hyperlipidemic rats induced by cholesterol rich diet or poloxamer-407. The MeOH and water extracts, when administered orally for 3 consecutive days in hyperlipidemic rats induced by poloxamer-407 (1 ml of 30%), were found to cause a significant decrease in plasma cholesterol and triglyceride concentrations. Both extracts also showed a significant inhibition of serum total cholesterol and triglyceride level in rats treated with cholesterol rich diet. HDL-cholesterol, however, was increased significantly.

• 한국어업기술학회:학술대회논문집
• /
• 한국어업기술학회 2000년도 춘계수산관련학회 공동학술대회발표요지집
• /
• pp.167-168
• /
• 2000

The potential application of protoplasts useful for studies such as physiology, morphology, genetic engineering, etc has led to the development of suitable methologies for isolation and manupilation of protoplasts from a wide variety of algae (Waaland et al., 1990; Reddy and Fujita, 1991; Chen and Chiang, 1994). Protoplasts technology to seaweeds depends large on the ability to produce viable cells capable of regenerating into whole plantlets (Wakabayashi et al., 1999). Though Capsosiphon fulvescens is one of the important economic seaweeds culturing in Korea, surprisingly protoplasts approach on this species has not been reported so far. Consequently we investigated the various aspects related to the protoplasts of Capsosiphon fulvescens in this study. (omitted)

• 한국어업기술학회:학술대회논문집
• /
• 한국어업기술학회 2001년도 추계 수산관련학회 공동학술대회발표요지집
• /
• pp.204-205
• /
• 2001

Manful algae, Cochlodinium polykrikoides has damaged to fisheries organisms by making massive blooms mainly in the South Sea during the higher water temperature season since 1995 in Korea. Ecological and hydrodynamic studies of the species offer useful information in understanding its bloom mechanism giving promising data for the modeling and prediction of the blooms. (omitted)

• 한국인쇄학회지
• /
• 제29권1호
• /
• pp.35-44
• /
• 2011

For printed electronic paper making which is high leveled dimensional stability. The furnish which is hard wood pulp and soft wood pulp, mixed with hard and soft wood pulp is added sea algae pulp. If sea algae pulp was added 15% contents, paper which is made with hard wood pulp is increased about 28% dimensional stability and soft wood pulp is increased about 32%, dimensional stability and hard wood 30% and soft wood 70% mixed pulp is increased about 40% dimensional stability.

• ALGAE
• /
• 제32권1호
• /
• pp.1-13
• /
• 2017

Seaweed aquaculture technologies have developed dramatically over the past 70 years mostly in Asia and more recently in Americas and Europe. However, there are still many challenges to overcome with respect to the science and to social acceptability. The challenges include the development of strains with thermo-tolerance, disease resistance, fast growth, high concentration of desired molecules, the reduction of fouling organisms and the development of more robust and cost efficient farm systems that can withstand storm events in offshore environments. It is also important to note that seaweed aquaculture provides ecosystem services, which improve conditions of the coastal waters for the benefit of other living organisms and the environment. The ecosystem services role of seaweed aquaculture and its economic value will also be quantitatively estimated in this review.

• Archives of Pharmacal Research
• /
• 제26권9호
• /
• pp.719-722
• /
• 2003

The anti-oxidant activities of fucosterol isolated from the marine algae Pelvetia siliquosa were investigated. Fucosterol exhibited a significant decrease in serum transaminase activities elevated by hepatic damage induced by $CCl_4$-intoxication in rats. Fucosterol inhibited the sGOT and sGPT activities by 25.57 and 63.16%, respectively. Fucosterol showed the increase in the anti-oxidant enzymes such as hepatic cytosolic superoxide dismutase (SOD), catalase and glutathione peroxidase (GSH-px) activities by 33.89, 21.56 and 39.24%, respectively, in $CCl_4$-intoxicated rats. These results suggest that fucosterol possess not only the anti-oxidant, but also the hepatoprotective activities in rats.

• 유기물자원화
• /
• 제22권2호
• /
• pp.11-16
• /
• 2014

육상식물 재배면적과 바이오매스 자원이 부족한 우리나라는 바이오 에너지 원료의 다변화가 시급하며, 3면이 바다로 싸여 자원이 풍부한 해양환경을 이용한 바이오 에너지 생산기술 및 이를 통한 $CO_2$ 저감 방안은 매우 효과적인 대안이 될 것이다. SSaM-GG를 통해 $CO_2$ 흡수율이 높고 해바라기의 30배 많은 양의 기름 추출이 가능한 해조류의 바이오 에너지화에 대한 지속가능한 발전을 기대한다.

• 펄프종이기술
• /
• 제40권1호
• /
• pp.62-67
• /
• 2008

Biocomposite was fabricated with biodegradable polymer and natural fiber that has potential to be used as replacement for glass fiber reinforced polymer composite with the benefits of low cost, low density, acceptable specific strength, biodegradability, etc. Until now, mostly natural cellulosic fibers on land have been used as reinforcement for biocomposite. The present study focused on investigating the fabrication and the characterization of biocomposite reinforced with red algae fibers from the sea. The bleached red algae fiber (BRAF) showed very similar crystallinity to the wood cellulose. It has high stability against thermal degradation (maximum thermal decomposition temperature of 359.3$^{\circ}C$) and thermal expansion. Biocomposites reinforced with BRAF have been fabricated by a compression molding method and their mechanical and thermal properties have been studied. The storage modulus and the thermomechanical stability of PBS (polybuthylenesuccinate) matrix are markedly improved by reinforcing with the BRAF. These results indicate that red algae fiber can be used as an excellent reinforcement of biocomposites, which are sometimes called as "green-composites" or "eco-composites".

• ALGAE
• /
• 제23권2호
• /
• pp.135-140
• /
• 2008

A field survey for dinoflagellate cysts was carried out from May 2000 to November 2002 for the Southwest Sea of Korea. A total dinoflagellate cysts identified were 33 species, which belonged to 17 genera, 31 species, and 2 unidentified species. A cysts density were 16-1,501 cysts-gdry$^{-1}$. The dominant species of dinoflagellate cysts in the Southwestern Sea of Korea were Spiniferites bulloideus and Scrippsiella trochoidea, which are autotrophic species. To investigate the environmental characteristics of the Southwestern Sea of Korea using the dinoflagellate cysts, a principal component analysis (PCA) was conducted using the data collected from a total of 51 stations. From the score distribution map by the PCA, the Southwestern Sea of Korea was largely divided into three regions according to the first primary component and the second primary component. In other words, Group 1 was the western sea area of Mokpo and Jindo, Group 2 was the outer sea area of the South Sea, and Group 3 was the coastal areas of the South Sea around the Archipelago. It was found that this division of sea area was influenced by effects of the sea environment of the coastal areas of Korea. The coastal areas of Mokpo and Jindo that belong to Group 1 were affected by the cold Yellow Sea water. The outer sea area of the central parts of the South Sea that belong to Group 2, which is the boundary between the Southern coastal water of Korea and the Tsushima warm water, was subject to the formation of temperature fronts throughout the year, while Group 3 was affected by the coastal waters of Korea. It was also found that this division was in close relationship with the distribution of sediment facies in the bottom layer. From the above results, the environmental factors that influence the cyst distribution in he Southwestern Sea of Korea were found to include the eutrophication status of the sea area, the physical characteristics of the sea environment such as the flow of sea current and fronts, the sediment facies in the bottom layer, and the appearance volume of motile cells.