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12:27, April 23 Appetite: Scientists found out the secret to the appeal of large portions of fast food
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10:33, April 23 Scientists test new approach to fighting viruses
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08:38, April 23 Ketamine may help with postpartum depression
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22:12, April 22 Unhealthy amount of sugar found in baby food products of a well-known brand
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19:41, April 22 Air pollution puts health of more than 1.6 billion workers globally at risk
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17:25, April 22 Scientists found baked goods and lack of sleep to be more dangerous than alcohol
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16:02, April 22 342 cases of measles recorded in Armenia so far in 2024
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15:29, April 22 BrainStimulation: electrical brain stimulation alleviates anxiety and depression in the elderly
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08:27, April 22 Cognitively stimulating jobs in midlife could lower dementia risk in old age, study finds
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20:37, April 21 Environmental Health Perspectives: Microplastics ingested with food and water can spread from the gut to the brain
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22:41, April 20 Scientists develop new method to safely stimulate immune cells to fight cancer
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20:46, April 20 Blood test can determine who is at risk of developing multiple sclerosis - scientists
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18:36, April 20 Next pandemic likely to be triggered by flu - scientists
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12:16, April 19 Scientists grow human mini-lungs in lab
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10:23, April 19 JAMA Oncology: Urine test can help rule out high-grade prostate cancer with almost 100% accuracy, study shows
All materials
Multivascular networks and functional intravascular topologies within biocompatible hydrogels
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.
Full article: Science
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