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Surface Chemical Modification of Waxy Maize Starch Nanocrystals
Abstract
The surface of waxy maize starch nanocrystals obtained from sulfuric acid hydrolysis of native waxy maize starch granules was chemically modified using two different reagents, namely, alkenyl succinic anhydride and phenyl isocyanate. The occurrence of chemical modification was evaluated by FTIR and X-ray photoelectron spectroscopies. Contact angle measurements from which the surface energy of the materials under investigation was deduced showed that chemical modification led to more hydrophobic particles. Chemical modification altered the morphology of particles, as shown by observation by transmission electron microscopy, but not their crystallinity (X-ray diffraction analysis).
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Citations
Cited by
Starch Nanoparticles: A Review
Le Corre, D., Bras, J., & Dufresne, A. (2010) · Biomacromolecules · doi:10.1021/bm901428y · Cited by 1,046
Self-citationA review of the chemical modification techniques of starch
Masina, N., Choonara, Y. E., Kumar, P., du Toit, L. C., Govender, M., Indermun, S., & Pillay, V. (2017) · Carbohydrate Polymers · doi:10.1016/j.carbpol.2016.09.094 · Cited by 616
Junior de Menezes, A., Siqueira, G., Curvelo, A. A. S., & Dufresne, A. (2009) · Polymer · doi:10.1016/j.polymer.2009.07.038 · Cited by 516
Self-citationMorandi, G., Heath, L., & Thielemans, W. (2009) · Langmuir · doi:10.1021/la900452a · Cited by 405
Preparation and application of starch nanoparticles for nanocomposites: A review
Le Corre, D., & Angellier-Coussy, H. (2014) · Reactive and Functional Polymers · doi:10.1016/j.reactfunctpolym.2014.09.020 · Cited by 271
Metadata
- Authors
- Angellier, H., Molina-Boisseau, S., Belgacem, M. N., & Dufresne, A.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-02-05
- Volume
- 21
- Issue
- 6
- Pages
- 2425-2433
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2089728468
- Cited by
- 185
- References
- 0
- FWCI
- 5.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- Angellier, H., Molina-Boisseau, S., Belgacem, M. N., & Dufresne, A. (2005). Surface Chemical Modification of Waxy Maize Starch Nanocrystals. Langmuir. https://doi.org/10.1021/la047530j
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