The CONTIN algorithm and its application to determine the size distribution of microgel suspensions
Journal Article
·
· Journal of Chemical Physics
- Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, 5232 Villigen (Switzerland)
- School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)
- Shinsegae International, 422 Apgujeong-ro, Gangnam-gu, Seoul 135-954 (Korea, Republic of)
- Department of Applied Chemistry, Hanyang University, Ansan, Gyeonggi-do 426-791 (Korea, Republic of)
We review a powerful regularization method, known as CONTIN, for obtaining the size distribution of colloidal suspensions from dynamic light scattering data. We show that together with the so-called L-curve criterion for selecting the optimal regularization parameter, the method correctly describes the average size and size distribution of microgel suspensions independently characterized using small-angle neutron scattering. In contrast, we find that when using the default regularization process, where the regularizer is selected via the “probability to reject” method, the results are not as satisfactory.
- OSTI ID:
- 22490819
- Journal Information:
- Journal of Chemical Physics, Vol. 142, Issue 23; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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