Multivascular networks and functional intravascular topologies within biocompatible hydrogels.
Multivascular networks and functional intravascular topologies within biocompatible hydrogels.
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DOI:
10.1126/science.aav9750
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发表时间:
2019-05-03
期刊:
影响因子:
--
通讯作者:
Miller JS
中科院分区:
文献类型:
--
作者:
Grigoryan B;Paulsen SJ;Corbett DC;Sazer DW;Fortin CL;Zaita AJ;Greenfield PT;Calafat NJ;Gounley JP;Ta AH;Johansson F;Randles A;Rosenkrantz JE;Louis-Rosenberg JD;Galie PA;Stevens KR;Miller JS
Solid organs transport fluids through distinct vascular networks that are biophysically and biochemically entangled, creating complex three-dimensional (3D) transport regimes that have remained difficult to produce and study. We establish intravascular and multivascular design freedoms with photopolymerizable hydrogels by using food dye additives as biocompatible yet potent photoabsorbers for projection stereolithography. We demonstrate monolithic transparent hydrogels, produced in minutes, comprising efficient intravascular 3D fluid mixers and functional bicuspid valves. We further elaborate entangled vascular networks from space-filling mathematical topologies and explore the oxygenation and flow of human red blood cells during tidal ventilation and distension of a proximate airway. In addition, we deploy structured biodegradable hydrogel carriers in a rodent model of chronic liver injury to highlight the potential translational utility of this materials innovation.
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影响因子:
10
作者:
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影响因子:
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DOI:
10.1073/pnas.1101791108
发表时间:
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通讯作者:
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