Synthesis of Brushite Particles in Reverse Microemulsions of the Biosurfactant Surfactin
Abstract
:1. Introduction
2. Results and Discussion
2.1. Structural Characterization of Products
2.2. Morphological and Particle Size Characterization
2.3. Mechanism of Crystallization in the Reverse Microemulsion Process
3. Experimental Section
3.1. Chemicals
3.2. Calcium Nitrate Tetrahydrate and Ammonium Phosphate Solutions
3.3. Surfactin Production
3.4. Synthesis of Nanoparticles by the Reverse Microemulsion Process
3.5. Characterization of Particles
Morphological study by TEM and SEM
Assessment of functional groups by FTIR
Assessment of phase composition and crystallinity using XRD
4. Conclusions
Acknowledgements
References
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Water/Surfactant Ratio (W/S) | A | B | ||||
---|---|---|---|---|---|---|
Calcium solution (mL) | n-hexane (mL) | Surfactin (g) | Phosphate solution (mL) | n-hexane (mL) | Surfactin (g) | |
250 | 2.25 | 10 | 1.0320 | 2.25 | 10 | 1.0320 |
500 | 2.25 | 10 | 0.5160 | 2.25 | 10 | 0.5160 |
1000 | 2.25 | 10 | 0.2580 | 2.25 | 10 | 0.2580 |
40,000 | 2.25 | 10 | 0.0065 | 2.25 | 10 | 0.0065 |
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Maity, J.P.; Lin, T.-J.; Cheng, H.P.-H.; Chen, C.-Y.; Reddy, A.S.; Atla, S.B.; Chang, Y.-F.; Chen, H.-R.; Chen, C.-C. Synthesis of Brushite Particles in Reverse Microemulsions of the Biosurfactant Surfactin. Int. J. Mol. Sci. 2011, 12, 3821-3830. https://doi.org/10.3390/ijms12063821
Maity JP, Lin T-J, Cheng HP-H, Chen C-Y, Reddy AS, Atla SB, Chang Y-F, Chen H-R, Chen C-C. Synthesis of Brushite Particles in Reverse Microemulsions of the Biosurfactant Surfactin. International Journal of Molecular Sciences. 2011; 12(6):3821-3830. https://doi.org/10.3390/ijms12063821
Chicago/Turabian StyleMaity, Jyoti Prakash, Tz-Jiun Lin, Henry Pai-Heng Cheng, Chien-Yen Chen, A. Satyanarayana Reddy, Shashi B. Atla, Young-Fo Chang, Hau-Ren Chen, and Chien-Cheng Chen. 2011. "Synthesis of Brushite Particles in Reverse Microemulsions of the Biosurfactant Surfactin" International Journal of Molecular Sciences 12, no. 6: 3821-3830. https://doi.org/10.3390/ijms12063821