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Wyświetlanie 1-3 z 3
Tytuł:
Metal Detoxification in Nature and Its Translation into Functional Adsorbent Materials
Autorzy:
Permana, Rega
Ihsan, Yudi Nurul
Powiązania:
https://bibliotekanauki.pl/articles/1030803.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
adsorbent
bioinspired
heavy metal
polyphenol
Opis:
Nature has a remarkable strategies to overcome the unfavoring environmental condition by producing a unique chemical compounds, including polyphenol. Polyphenol residues in many living organism have been documented to express numerous biological function ranging from antioxidant, mechanical reinforcement as well as metal anchoring substances. This gave us insight of how nature converts toxic metal compound and deposits it into a harmless form. This review will discuss some natural strategies of living organism to metabolize metal in a safe manner so that the metal no longer harmful to them. Example taken from aluminum accumulating plants, vanadium accumulating marine tunicate and iron-reinforced mussel byssus, which all three utilized phenol derivative compound to chelate the metal. Advances made by incorporating cutting edge characterization tools allowed us to understand the exact mechanism of metal chelation at the atomic level. A comprehensive discussion of molecular mechanism governing the complexion between the phenolic compound and metal will be beneficial for further study to fabricate functional materials, for example adsorbent, to remediate contaminated water. Translating these natural strategies into an engineered polyphenol based adsorbent materials will be prospective to be further applied as a remediation agent as it is easily found in nature, cost effective and highly efficient.
Źródło:
World Scientific News; 2020, 145; 144-155
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Rainfall Intensity Towards Macrozoobenthos Community Structure in Ciletuh Bay Regency of Sukabumi District, West Java, Indonesia
Autorzy:
Nasrudin, Clairissa A.
Yuniarti, Yuniarti
Ihsan, Yudi Nurul
Syamsudin, Mega L.
Powiązania:
https://bibliotekanauki.pl/articles/1031702.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ciletuh Bay
Macrozoobenthos
Months
Nutrient
Sukabumi
Water quality parameters
Opis:
The purpose of the study undertaken between May 2018 and April 2019 is to determine the effect of rain water intensity on the value of macrozoobenthos structures in Ciletuh Bay. The data used in this research and directly taken from the research site are seawater quality parameters, analysis of sample granulometry and identification of the sample macrzoobenthos, while all data processing was conducted in the laboratory. The method used in this study was purposive sampling. The result of this research in sand type sediment texture brought a count of 96 macrozoobenthos individuals. In contrast, the count was only 7 in silt type sediments. The study concluded that the effect of varied rainfall intensity impacts the water quality parameters that caused the difference types of sediment in Ciletuh Bay.
Źródło:
World News of Natural Sciences; 2020, 28; 142-154
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Shoreline Changes in the Coastal Area of Kuala Terengganu, Malaysia
Autorzy:
Subiyanto, Subiyanto
Ahmad, Ahmad
Mamat, Mustafa
Ihsan, Yudi Nurul
Afrianto, Eddy
Hidayat, Yuyun
Supian, Sudradjat
Powiązania:
https://bibliotekanauki.pl/articles/1031676.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Crank-Nicolson
accretion
coastal development
erosion
implicit scheme
Opis:
The analysis of shoreline change trends is fundamental to a broad range of investigations undertaken by coastal scientists, coastal engineers, and coastal managers, as well as the government, in this case, the coastal development policy-maker. In order to know the changing of shoreline position around the coastal area of Kuala Terengganu, an analysis and then simulation of shoreline change was performed over, respectively, 2 years, 3 years and 4 years. In this simulation, the longshore distance was divided into 87 cells of length 34 m. Shoreline positions from satellite imagery in 2010 were used in this simulation as the initial condition. Based on the numerical result, both erosion (north side) and accretion (south side) occurred around the Sultan Mahmud Airport, Kuala Terengganu. The average erosion and accretion during the 4 year period is 42.93 m and 40.89 m, respectively.
Źródło:
World News of Natural Sciences; 2020, 28; 24-33
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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