James H. Zhang

ORCID: 0000-0003-3963-1750
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About
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Research Areas
  • Thermal properties of materials
  • Heat Transfer and Optimization
  • Spectroscopy and Quantum Chemical Studies
  • Phase Change Materials Research
  • Solar-Powered Water Purification Methods
  • Advanced Sensor and Energy Harvesting Materials
  • Adsorption and Cooling Systems
  • Cancer Cells and Metastasis
  • Inhalation and Respiratory Drug Delivery
  • Marine and coastal ecosystems
  • Photoreceptor and optogenetics research
  • 3D Printing in Biomedical Research
  • Remote-Sensing Image Classification
  • Polymer composites and self-healing
  • Neonatal Respiratory Health Research
  • Advanced Materials and Mechanics
  • Solar and Space Plasma Dynamics
  • Methane Hydrates and Related Phenomena
  • Chemical Reactions and Isotopes

Massachusetts Institute of Technology
2022-2025

The ubiquitous nature of atmospheric moisture makes it a significant water resource available at any geographical location. Atmospheric harvesting (AWH) technology, which extracts from the ambient air to generate clean water, is promising strategy realize decentralized production. high uptake by salt-based sorbents them attractive for AWH, especially in arid environments. However, they often have relatively desorption heat, rendering release an energy-intensive process. A LiCl-incorporating...

10.1002/adma.202205344 article EN publisher-specific-oa Advanced Materials 2022-07-28

Strain-induced crystallization (SIC) prevalently strengthens, toughens, and enables an elastocaloric effect in elastomers. However, the crystallinity induced by mechanical stretching common elastomers (e.g., natural rubber) is typically below 20%, stretchability plateaus due to trapped entanglements. We report a class of formed end-linking then deswelling star polymers with low defects no entanglements, which achieve strain-induced up 50%. The deswollen end-linked elastomer (DELSE) reaches...

10.1126/sciadv.adj0411 article EN cc-by-nc Science Advances 2023-12-13

Although water is almost transparent to visible light, we demonstrate that the air–water interface interacts strongly with light via what hypothesize as photomolecular effect. In this effect, transverse-magnetic polarized photons cleave off clusters from interface. We use 14 different experiments existence of effect and its dependence on wavelength, incident angle, polarization light. further heats up thin fogs, suggesting process can impact weather, climate, earth’s cycle it provides a...

10.1073/pnas.2320844121 article EN Proceedings of the National Academy of Sciences 2024-04-23

Abstract Polymeric thermal switches that can reversibly tune and significantly enhance their conductivities are desirable for diverse applications in electronics, aerospace, automotives, medicine; however, they rarely achieved. Here, we report a polymer-based switch consisting of an end-linked star-shaped thermoset with two independent conductivity tuning mechanisms—strain temperature modulation—that rapidly, reversibly, cyclically modulate conductivity. The exhibits strain-modulated...

10.1038/s41467-024-49354-2 article EN cc-by Nature Communications 2024-07-03

Within multicellular living systems, cells coordinate their positions with spatiotemporal accuracy to form various tissue structures and control development. These arrangements can be regulated by geometry, biochemical cues, as well mechanical perturbations. However, how pack during dynamic three-dimensional architectures formation remains unclear. Here, examining a growing spherical system, human lung alveolospheres, we observe an emergence of hexagonal packing order structural transition...

10.1103/physrevx.15.011067 article EN cc-by Physical Review X 2025-03-21

Age-related cognitive decline is associated with metabolic, vascular, and inflammatory changes, making it challenging to distinguish primary causes from secondary (downstream) effects. This study demonstrates that brain aging follows a ...Understanding the key drivers of essential for effective prevention treatment neurodegenerative diseases. Here, we integrate human physiological data investigate underlying mechanisms. Functional MRI analyses across four ...

10.1073/pnas.2425993122 article EN cc-by-nc-nd Proceedings of the National Academy of Sciences 2025-03-17

Abstract Within multicellular living systems, cells coordinate their positions with spatiotemporal accuracy to form various structures, setting the clock control developmental processes and trigger maturation. These arrangements can be regulated by tissue topology, biochemical cues, as well mechanical perturbations. However, fundamental rules of how local cell packing order is in forming three-dimensional (3D) architectures remain unclear. Furthermore, cellular coordination evolves during...

10.1101/2024.04.17.589951 preprint EN bioRxiv (Cold Spring Harbor Laboratory) 2024-04-20

Although water is almost transparent to visible light, we demonstrate that the air-water interface interacts strongly with light via what hypothesize as photomolecular effect. In this effect, transverse-magnetic polarized photons cleave off clusters from interface. We use over 10 different experiments existence of effect and its dependence on wavelength, incident angle polarization light. further heats up thin fogs, suggesting process can impact weather, climate, earth's cycle. Our study...

10.48550/arxiv.2310.19832 preprint EN cc-by-nc-nd arXiv (Cornell University) 2023-01-01
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