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Production, extraction and characterization of Chlorella vulgaris soluble polysaccharides and their applications in AgNPs biosynthesis and biostimulation of plant growth by El-Naggar, Noura El-Ahmady; Hussein, Mervat H.; Shaaban-Dessuuki, Sami A.; Dalal, Shimaa R. is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Production, extraction and characterization of Chlorella vulgaris soluble polysaccharides and their applications in AgNPs biosynthesis and biostimulation of plant growth about?
__Chlorella vulgaris__, like a wide range of other microalgae, are able to grow mixotrophically. This maximizes its growth and production of polysaccharides (PS). The extracted polysaccharides have a complex monosaccharide composition (fructose, maltose, lactose and glucose), sulphate (210.65 ± 10.5 mg g^−1^ PS), uronic acids (171.97 ± 5.7 mg g^−1^ PS), total protein content (32.99 ± 2.1 mg g^−1^ PS), and total carbohydrate (495.44 ± 8.4 mg g^−1^ PS). Fourier Transform infrared spectroscopy (FT-IR) analysis of the extracted polysaccharides showed the presence of N–H, O–H, C–H, –CH~3~, >CH~2~, COO^−1^, S=O and the C=O functional groups. UV–Visible spectral analysis shows the presence of proteins, nucleic acids and chemical groups (ester, carbonyl, carboxyl and amine). Purified polysaccharides were light green in color and in a form of odorless powder. It was soluble in water but insoluble in other organic solvents. Thermogravimetric analysis demonstrates that __Chlorella vulgaris__ soluble polysaccharide is thermostable until 240°C and degradation occurs in three distinct phases. Differential scanning calorimetry (DSC) analysis showed the characteristic exothermic transition of __Ch
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It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- El-Naggar, Noura El-Ahmady; Hussein, Mervat H.; Shaaban-Dessuuki, Sami A.; Dalal, Shimaa R.
- Publisher
- Springer Science and Business Media LLC; London: Nature Publishing Group; [London]: Springer Nature; Nature Publishing Group; Society for Mining, Metallurgy and Exploration Inc.; Research Square; Springer Nature; Island Press (ISSN 2045-2322)
- Published
- 2020
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)