ArticleProceedings of the National Academy of Sciences of the United States of America2009
ESR evidence for 2 coexisting liquid phases in deeply supercooled bulk water.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 77 citations in OpenAlex.
- Native and nonnative reactions in ethanolamine ammonia-lyase are actuated by different dynamics.Biophysical journal · 2023Article
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- Resolution and characterization of confinement- and temperature-dependent dynamics in solvent phases that surround proteins in frozen aqueous solution by using spin-probe EPR spectroscopy.Methods in enzymology · 2022Article
- Advances in the study of supercooled water.The European physical journal. E, Soft matter · 2021Review
- Investigation of Various Organic Radicals Dispersed in Polymethylmethacrylate Matrices Using the Electron Spin Resonance Spectroscopy Technique.ACS omega · 2021Article
- Coupling of ethanolamine ammonia-lyase protein and solvent dynamics characterized by the temperature-dependence of EPR spin probe mobility and dielectric permittivity.The Journal of chemical physics · 2021Article
- New Insight into the Mechanism of Drug Release from Poly(d,l-lactide) Film by Electron Paramagnetic Resonance.Polymers · 2020Article
- Control of Solvent Dynamics around the BThe journal of physical chemistry. B · 2019Article
- Spurious violation of the Stokes-Einstein-Debye relation in supercooled water.Scientific reports · 2019Article
- Electron spin-labelling of the EutC subunit in BFree radical research · 2018Article
- Mesodomain and Protein-Associated Solvent Phases with Temperature-Tunable (200-265 K) Dynamics Surround Ethanolamine Ammonia-Lyase in Globally Polycrystalline Aqueous Solution Containing Dimethyl Sulfoxide.The journal of physical chemistry. B · 2017Article
- Hydrodynamic and nonhydrodynamic contributions to the bimolecular collision rates of solute molecules in supercooled bulk water.The journal of physical chemistry. B · 2014Article
- Heterogeneous ordered-disordered structure of the mesodomain in frozen sucrose-water solutions revealed by multiple electron paramagnetic resonance spectroscopies.Langmuir : the ACS journal of surfaces and colloids · 2013Article
- Possible relation of water structural relaxation to water anomalies.Proceedings of the National Academy of Sciences of the United States of America · 2013Article
- Rotation of Four Small Nitroxide Probes in Supercooled Bulk Water.The journal of physical chemistry letters · 2013Article
- ESR study of interfacial hydration layers of polypeptides in water-filled nanochannels and in vitrified bulk solvents.PloS one · 2013Article
- Effect of common cryoprotectants on critical warming rates and ice formation in aqueous solutions.Cryobiology · 2012Article
- A singular thermodynamically consistent temperature at the origin of the anomalous behavior of liquid water.Scientific reports · 2012Article
- Molecular probe dynamics reveals suppression of ice-like regions in strongly confined supercooled water.PloS one · 2012Article
- The role of the dynamic crossover temperature and the arrest in glass-forming fluids.The European physical journal. E, Soft matter · 2011Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Using electron spin resonance spectroscopy (ESR), we measure the rotational mobility of probe molecules highly diluted in deeply supercooled bulk water and negligibly constrained by the possible ice fraction. The mobility increases above the putative glass transition temperature of water, T(g) = 136 K, and smoothly connects to the thermodynamically stable region by traversing the so called "no man's land" (the range 150-235 K), where it is believed that the homogeneous nucleation of ice suppresses the liquid water. Two coexisting fractions of the probe molecules are evidenced. The 2 fractions exhibit different mobility and fragility; the slower one is thermally activated (low fragility) and is larger at low temperatures below a fragile-to-strong dynamic cross-over at approximately 225 K. The reorientation of the probe molecules decouples from the viscosity below approximately 225 K. The translational diffusion of water exhibits a corresponding decoupling at the same temperature [Chen S-H, et al. (2006) The violation of the Stokes-Einstein relation in supercooled water. Proc Natl Acad Sci USA 103:12974-12978]. The present findings are consistent with key issues concerning both the statics and the dynamics of supercooled water, namely the large structural fluctuations [Poole PH, Sciortino F, Essmann U, Stanley HE (1992) Phase behavior of metastable water. Nature 360:324-328] and the fragile-to-strong dynamic cross-over at approximately 228 K [Ito K, Moynihan CT, Angell CA (1999) Thermodynamic determination of fragility in liquids and a fragile-to-strong liquid transition in water. Nature 398:492-494].
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