Lipid incorporated synthetic hydrogels show cartilage-like lubrication

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Lubrication has been attracting increasing attention of scientists from different backgrounds and has become a focus in a variety of fields such as manufacturing, machinery, transport, medical devices and so on [1].Over the past 20 years, great progress has been made in various lubrication fields, including film lubrication,biological lubrication, nano lubrication and minimal quantity lubrication [2].Nowadays, the lubrication fields mainly concentrate on developing efficient lubrication strategies including film lubrication, extreme friction and lubrication, intelligent lubrication, ultra-slippery surface [3,4].Among them, ultra-slippery surface is a meaningful pursuit of scientists.So far, various applications of ultra-slippery surface have been developed, such as anti-biofouling, anti-icing, anti-frosting, heat transfer, liquid or gas transportation, microfludics [3].
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