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NPG Asia Materials

Publisher:
Springer Nature
ISSN:
1884-4049
Category:
MATERIALS SCIENCE, MULTIDISCIPLINARY
Impact factor:
8.6

Feed status

2 parsed articles

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Latest articles

Artificial chaperones: from conventional designs to smart systems

2026-03-25

Wancheng Zhang, Atsushi Maruyama

NPG Asia Materials, Published online: 25 March 2026; doi:10.1038/s41427-026-00640-z Molecular chaperones are proteins that assist in the proper folding of biomolecules, preventing misfolding and aggregation that can lead to diseases and economic losses in protein production. This study explores the development of artificial chaperones as cost-effective and customizable alternatives to natural chaperones. Researchers have designed chemical and polymeric chaperones that mimic natural mechanisms, using hydrophobic and electrostatic interactions to guide folding. For example, polymeric chaperones like PLL-g-Dex enhance DNA hybridization and protein folding by reducing repulsion and stabilizing structures. These findings are significant as they demonstrate the potential of artificial chaperones to improve protein stability and function in various applications. The study suggests that future research should focus on creating smarter chaperone systems that respond to environmental stimuli, enhancing their utility in biotechnology and medical treatments. This summary was initially drafted using artificial intelligence, then revised and fact-checked by the author.

Asymmetric doping effects on the quantum critical compound CeRhIn<sub>5</sub>

2026-03-19

Honghong Wang, Tae Beom Park, Seokmin Choi, Soon-Gil Jung, Hanoh Lee, Tuson Park

NPG Asia Materials, Published online: 19 March 2026; doi:10.1038/s41427-026-00639-6 Chemical substitution in quantum critical compounds like CeRhIn5 can lead to asymmetric doping effects, significantly altering electronic and magnetic properties. This study explores the impact of 5% mercury (Hg) doping on CeRhIn5, using transport measurements under pressure to reveal how Hg affects the compound’s phase diagram. In contrast to electron-doped or dilute hole-doped CeRhIn5, which both exhibit superconductivity near a quantum critical point, the heavily hole-doped (5% Hg) compound evolves through two distinct antiferromagnetic phases without superconductivity. The study attributes this to hole doping creating localized magnetic droplets, which stabilize new magnetic orders and weaken Kondo coupling. These findings highlight the importance of understanding local versus homogeneous doping effects in quantum phase evolution. Future work could focus on further elucidating quantum criticality near the two critical pressure points identified in this study.