A two-state stochastic model for the dynamics of constrained water in reversed micelles |
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| Affiliation: | 1. Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, Col. Vicentina, 09340 Ciudad de México, Mexico;2. Conacyt-Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, Col. Vicentina, 09340 Ciudad de México, Mexico;1. Austrian Academy of Sciences, Erich Schmid Institute of Materials Science, Jahnstraße 12, Leoben 8700, Austria;2. Department of Metallurgy, Chair of Nonferrous Metallurgy, Montanuniversität Leoben, Leoben 8700, Austria;3. Department Materials Science, Montanuniversität Leoben, Roseggerstraße 12, 8700 Leoben, Austria;1. Department of Anatomy, Faculty of Science, Mahidol University, Bangkok 10400, Thailand;2. Department of Anatomy, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand;3. Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan 10540, Thailand;4. Department of Pharmacology, Faculty of Dentistry, Mahidol University 10400, Bangkok, Thailand;5. Department of Animal, Dairy, and Veterinary Sciences, College of Agriculture and Applied Sciences, Utah State University, Logan, UT, USA;1. Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, PR China;2. Institute for Biomedical Engineering and Nanoscience, Tongji University School of Medicine, Shanghai 200092, PR China;3. Department of Breast Surgery, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, 200040, PR China;4. Institute for Engineering and Medicine, Department of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, VA, United States of America |
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| Abstract: | Translational diffusion leads the tagged water molecule to explore regions of the reversed micelle with a varying degree of space hindrance, thereby modulating the rotational relaxation process. A two-state modulation is shown to result in satisfactory agreement with the NMR experimental data on the rotational correlation time as a function of the micelle radius. |
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