2025 ISM–NIST Fellows: Narayan Das and Ruth Crothers
March 20th, 2026
The Institute for Soft Matter and Metrology (ISM) is pleased to welcome the 2025 ISM–NIST Fellows, Narayan Das and Ruth Crothers, whose research spans polymer mechanics, colloidal materials, and advanced measurement techniques. …







































![A, B} Spatial map of dynamical heterogeneities obtained in simulations of model colloidal gels. [1,2] C) 3D rendering of a confocal microscopy image of a part of a colloidal gel taken in the Blair lab A, B} Spatial map of dynamical heterogeneities obtained in simulations of model colloidal gels. [1,2] C) 3D rendering of a confocal microscopy image of a part of a colloidal gel taken in the Blair lab](https://softmatter.georgetown.edu/wp-content/uploads/sites/279/2023/01/1-24-grant-article.png)





















