Self-diffusion of Water and Blood Lipids in Mouse Erythrocytes
- Autores: Avilova I.1, Smolina A.1, Kotelnikov A.1, Kotelnikova R.1, Loskutov V.2, Volkov V.1,3
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Afiliações:
- Institute of Problems of Chemical Physics RAS
- Mari State University
- Science Center in Chernogolovka RAS
- Edição: Volume 47, Nº 3 (2016)
- Páginas: 335-347
- Seção: Article
- URL: https://journals.rcsi.science/0937-9347/article/view/247450
- DOI: https://doi.org/10.1007/s00723-015-0759-z
- ID: 247450
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Resumo
The self-diffusion of water and lipids in water—mouse RBCs’ suspension was investigated by pulsed field gradient NMR technique at different diffusion times in temperature range from 5 to 35 °C. For the experimental data interpretation, the phenomenological scaling approach was applied. The intracellular water restriction size (2.1 μm), erythrocyte water permeability (about 10−5 m/s), intracellular residence time (about 20 ms), and water permeability activation energy (24.1 ± 1.9 kJ/mol) were calculated. The lipid self-diffusion coefficients are varied from 3 × 10−12 to 10−11 m2/s depending on temperature and diffusion time. The lipid lateral self-diffusion activation energy is about 25 ± 2.9 kJ/mol.
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Sobre autores
Irina Avilova
Institute of Problems of Chemical Physics RAS
Email: vitwolf@mail.ru
Rússia, Academician Semenov Avenue, 1, Chernogolovka, Moscow Region, 142432
Anastasiya Smolina
Institute of Problems of Chemical Physics RAS
Email: vitwolf@mail.ru
Rússia, Academician Semenov Avenue, 1, Chernogolovka, Moscow Region, 142432
Alexander Kotelnikov
Institute of Problems of Chemical Physics RAS
Email: vitwolf@mail.ru
Rússia, Academician Semenov Avenue, 1, Chernogolovka, Moscow Region, 142432
Raisa Kotelnikova
Institute of Problems of Chemical Physics RAS
Email: vitwolf@mail.ru
Rússia, Academician Semenov Avenue, 1, Chernogolovka, Moscow Region, 142432
Valentin Loskutov
Mari State University
Email: vitwolf@mail.ru
Rússia, Lenin sq., 1, Mari El, Yoshka-Ola, 424000
Vitaly Volkov
Institute of Problems of Chemical Physics RAS; Science Center in Chernogolovka RAS
Autor responsável pela correspondência
Email: vitwolf@mail.ru
Rússia, Academician Semenov Avenue, 1, Chernogolovka, Moscow Region, 142432; Lesnaya str., 9, Chernogolovka, Moscow Region, 142432