Xiaoyue Ni

Journal article Nature · September 2022 Featured Publication Dynamic shape-morphing soft materials systems are ubiquitous in living organisms; they are also of rapidly increasing relevance to emerging technologies in soft machines1-3, flexible electronics4,5 and smart medicines6. Sof ... Full text Cite

Automated, multiparametric monitoring of respiratory biomarkers and vital signs in clinical and home settings for COVID-19 patients.

Journal article Proceedings of the National Academy of Sciences of the United States of America · May 2021 Featured Publication Capabilities in continuous monitoring of key physiological parameters of disease have never been more important than in the context of the global COVID-19 pandemic. Soft, skin-mounted electronics that incorporate high-bandwidth, miniaturized motion sensors ... Full text Cite

Mechano-acoustic sensing of physiological processes and body motions via a soft wireless device placed at the suprasternal notch.

Journal article Nature biomedical engineering · February 2020 Featured Publication Skin-mounted soft electronics that incorporate high-bandwidth triaxial accelerometers can capture broad classes of physiologically relevant information, including mechano-acoustic signatures of underlying body processes (such as those measured by a stethos ... Full text Cite

2D Mechanical Metamaterials with Widely Tunable Unusual Modes of Thermal Expansion.

Journal article Advanced materials (Deerfield Beach, Fla.) · November 2019 Featured Publication Most natural materials expand uniformly in all directions upon heating. Artificial, engineered systems offer opportunities to tune thermal expansion properties in interesting ways. Previous reports exploit diverse design principles and fabrication techniqu ... Full text Cite

Yield Precursor Dislocation Avalanches in Small Crystals: The Irreversibility Transition.

Journal article Physical review letters · July 2019 Featured Publication The transition from elastic to plastic deformation in crystalline metals shares history dependence and scale-invariant avalanche signature with other nonequilibrium systems under external loading such as colloidal suspensions. These other systems exhibit t ... Full text Cite

Probing Microplasticity in Small-Scale FCC Crystals via Dynamic Mechanical Analysis

Journal article Physical Review Letters · April 14, 2017 Featured Publication Full text Cite

An instrument to measure mechanical up-conversion phenomena in metals in the elastic regime.

Journal article The Review of scientific instruments · June 2016 Featured Publication Crystalline materials, such as metals, are known to exhibit deviation from a simple linear relation between strain and stress when the latter exceeds the yield stress. In addition, it has been shown that metals respond to varying external stress in a disco ... Full text Cite