ArticleProceedings of the National Academy of Sciences of the United States of America2007
Local viscosity of supercooled glycerol near Tg probed by rotational diffusion of ensembles and single dye molecules.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Single-molecule orientation-localization microscopy: Applications and approaches.Quarterly reviews of biophysics · 2024Review
- Dynamic Heterogeneity in the Optical Signals from Single Nano-Objects.The journal of physical chemistry. B · 2023Review
- High-throughput nuclear resonance time domain interferometry using annular slits.Journal of synchrotron radiation · 2022Article
- Vitrification Solutions for Plant Cryopreservation: Modification and Properties.Plants (Basel, Switzerland) · 2021Review
- Environmentally Sensitive Luminescence Reveals Spatial Confinement, Dynamics, and Their Molecular Weight Dependence in a Polymer Glass.ACS applied polymer materials · 2021Article
- Therapeutic Liquid Formulations Based on Low Transition Temperature Mixtures for the Incorporation of Anti-Inflammatory Drugs.Pharmaceutics · 2021Article
- Probing liquid dynamics, one molecule at a time.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Ideal probe single-molecule experiments reveal the intrinsic dynamic heterogeneity of a supercooled liquid.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Polymerization effect of electrolytes on hydrogen-bonding cryoprotectants: ion-dipole interactions between metal ions and glycerol.The journal of physical chemistry. B · 2014Article
- Protein brownian rotation at the glass transition temperature of a freeze-concentrated buffer probed by superparamagnetic nanoparticles.Biophysical journal · 2013Article
- Decoupling of rotational and translational diffusion in supercooled colloidal fluids.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- The ultimate fate of supercooled liquids.The journal of physical chemistry. A · 2011Article
- When the Heterogeneous Appears Homogeneous: Discrepant Measures of Heterogeneity in Single Molecule Observables.The journal of physical chemistry letters · 2011Article
- Article
- Soft glassy rheology of supercooled molecular liquids.Proceedings of the National Academy of Sciences of the United States of America · 2008Article
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Authors and funding
4 authors.
Funding
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Abstract
We probe the rotational diffusion of a perylene dye in supercooled glycerol, 5-25 K above the glass-transition temperature (T(g) = 190 K) at the ensemble and the single-molecule level. The single-molecule results point to a broad distribution of local viscosities that vary by a factor of five or more for different individual fluorophores at a given temperature. By following the same single molecules at various temperatures, we find that the distribution of local viscosities itself broadens upon approaching T(g). This spatial heterogeneity is found to relax extremely slowly, persisting over hours or even days. These results convey a picture of heterogeneous liquid pockets separated by solid-like walls, which exist already well above the viscosimetric glass transition.
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