Bio-inspired Murray materials for mass transfer and activity

Xianfeng Zheng, Guofang Shen, Chao Wang, Yu Li, Darren Dunphy, Tawfique Hasan, C. Jeffrey Brinker, Bao Lian Su

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

Both plants and animals possess analogous tissues containing hierarchical networks of pores, with pore size ratios that have evolved to maximize mass transport and rates of reactions. The underlying physical principles of this optimized hierarchical design are embodied in Murray's law. However, we are yet to realize the benefit of mimicking nature's Murray networks in synthetic materials due to the challenges in fabricating vascularized structures. Here we emulate optimum natural systems following Murray's law using a bottom-up approach. Such bio-inspired materials, whose pore sizes decrease across multiple scales and finally terminate in size-invariant units like plant stems, leaf veins and vascular and respiratory systems provide hierarchical branching and precise diameter ratios for connecting multi-scale pores from macro to micro levels. Our Murray material mimics enable highly enhanced mass exchange and transfer in liquid-solid, gas-solid and electrochemical reactions and exhibit enhanced performance in photocatalysis, gas sensing and as Li-ion battery electrodes.

langueAnglais
Numéro d'article14921
journalNature Communications
Volume8
Les DOIs
étatPublié - 6 avr. 2017

Empreinte digitale

mass transfer
Mass transfer
Gases
Plant Stems
porosity
Pore size
Plant Leaves
Respiratory System
Respiratory system
Blood Vessels
Veins
Electrodes
Photocatalysis
respiratory system
Ions
cardiovascular system
Macros
Animals
veins
stems

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Zheng, X., Shen, G., Wang, C., Li, Y., Dunphy, D., Hasan, T., ... Su, B. L. (2017). Bio-inspired Murray materials for mass transfer and activity. DOI: 10.1038/ncomms14921
Zheng, Xianfeng ; Shen, Guofang ; Wang, Chao ; Li, Yu ; Dunphy, Darren ; Hasan, Tawfique ; Brinker, C. Jeffrey ; Su, Bao Lian. / Bio-inspired Murray materials for mass transfer and activity. Dans: Nature Communications. 2017 ; Vol 8.
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abstract = "Both plants and animals possess analogous tissues containing hierarchical networks of pores, with pore size ratios that have evolved to maximize mass transport and rates of reactions. The underlying physical principles of this optimized hierarchical design are embodied in Murray's law. However, we are yet to realize the benefit of mimicking nature's Murray networks in synthetic materials due to the challenges in fabricating vascularized structures. Here we emulate optimum natural systems following Murray's law using a bottom-up approach. Such bio-inspired materials, whose pore sizes decrease across multiple scales and finally terminate in size-invariant units like plant stems, leaf veins and vascular and respiratory systems provide hierarchical branching and precise diameter ratios for connecting multi-scale pores from macro to micro levels. Our Murray material mimics enable highly enhanced mass exchange and transfer in liquid-solid, gas-solid and electrochemical reactions and exhibit enhanced performance in photocatalysis, gas sensing and as Li-ion battery electrodes.",
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Zheng, X, Shen, G, Wang, C, Li, Y, Dunphy, D, Hasan, T, Brinker, CJ & Su, BL 2017, 'Bio-inspired Murray materials for mass transfer and activity' Nature Communications, VOL. 8, 14921. DOI: 10.1038/ncomms14921

Bio-inspired Murray materials for mass transfer and activity. / Zheng, Xianfeng; Shen, Guofang; Wang, Chao; Li, Yu; Dunphy, Darren; Hasan, Tawfique; Brinker, C. Jeffrey; Su, Bao Lian.

Dans: Nature Communications, Vol 8, 14921, 06.04.2017.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - Brinker,C. Jeffrey

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Zheng X, Shen G, Wang C, Li Y, Dunphy D, Hasan T et al. Bio-inspired Murray materials for mass transfer and activity. Nature Communications. 2017 avr. 6;8. 14921. Disponible �, DOI: 10.1038/ncomms14921