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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.6
- 수록면
- 82 - 87 (6page)
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초록· 키워드
오류제보하기
Proliferation of algae on the surface of concrete or mortar in aquatic habitat has a negative impact on maintenance of concrete-based structures. Growth of algae may decrease stability of structure by bio-deterioration. In this study, we developed a functional mortar for restraining bio-deterioration by using Cu<SUP>2+</SUP> ion. The mortar contains soluble glass beads made of Cu<SUP>2+</SUP> ion, which can dissolve into water slowly. Mortars prepared with different ratio of glass beads (0, 2, 5, 10, and 15%) were placed in a culture medium with algae and incubated over a month period. Water chemistry, chlorophyll-a, and extracellular enzyme activities were measured. The incubation was conducted in both freshwater and seawater conditions, to assess applicability to both aquatic conditions. Overall, mortar with Cu glass exhibited lower chlorophyll-a content, suggesting that the functional mortar reduced algal growth. DOC concentration increased because debris of dead algae increased. Cu glass also decreased phosphatase activity, which is involved in the regeneration of inorganic P from organic moieties. Since, P is often a limiting nutrient for algal production, algal growth may be inhibited. Activities of β-glucosidase and N-acetylglucosaminidase were not significantly affected because carbon and nitrogen mineralization may not be influenced by the Cu glass beads. Our study suggests that functional mortar with Cu glass beads may reduce the growth of algae on the surface, while it has little environmental impact.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (15)
참고문헌 신청
[학술지(정기간행물)] - Barberousse, H. / 2007 / An assessment of facade coatings against colonization by aerial algae and cyanobacteria / Building and Environment 42 : 2555 ~ 2561
[학술지(정기간행물)] - Baron, M. / 1995 / Copper and Photosystems II: A Controversial Relationship / Journal of Physiologia Plantarum 94 (1) : 174 ~ 180
[학술지(정기간행물)] - De Muynck, W. / 2009 / Evaluation of strategies to prevent algal fouling on white architectural and cellular concrete / International Biodeterioration and Biodegradation 63 (6) : 679 ~ 689
[학술지(정기간행물)] - Dubosc, A. / 2001 / Characterization of biological stains on external concrete walls and influence of concrete as underlying material / Cement and Concrete Research 31 : 1613 ~ 1617
[학술지(정기간행물)] - Easterling, D.R. / 2000 / Climate extremes: Observations, modeling, and impacts / Science 289 (5487) : 2068 ~ 2074
[학술지(정기간행물)] - Baron, M. / 1995 / Copper and Photosystems II: A Controversial Relationship / Journal of Physiologia Plantarum 94 (1) : 174 ~ 180
[학술지(정기간행물)] - De Muynck, W. / 2009 / Evaluation of strategies to prevent algal fouling on white architectural and cellular concrete / International Biodeterioration and Biodegradation 63 (6) : 679 ~ 689
[학술지(정기간행물)] - Dubosc, A. / 2001 / Characterization of biological stains on external concrete walls and influence of concrete as underlying material / Cement and Concrete Research 31 : 1613 ~ 1617
[학술지(정기간행물)] - Easterling, D.R. / 2000 / Climate extremes: Observations, modeling, and impacts / Science 289 (5487) : 2068 ~ 2074
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UCI(KEPA) : I410-ECN-0101-2018-531-003103963