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    Flatworm-Inspired Medical Adhesives Stop Blood Loss

    October 14, 2022, Categories  Health/Medical, Biology/Biotechnology

    Design of LIMB. a Schematic illustration of marine organisms that contain interconnected micropores for adhesiveness and transport of liquid reagents. b Schematic of LIMB adhering on blood-exposed substrates. c Schematics showing that LIMB can uptake interfacial fluid, secrete functional liquids, and coagulate blood, thereby providing adhesion, hemostatic, and sealing function. d Confocal image of rhodamine-labeled LIMB (red) containing micropores, partially filled with a FITC-labeled chitosan functional liquid (green). e Sizes of surface and internal pores in LIMB containing 2 M or 5 M PAAm. f–h Stress-stretch curves (f), fracture energy (g), and fractocohesive lengths (h) of LIMBs with varying PAAm content. Values in e, g, h represent the mean ± s.d. (n = 40 for 2M-LIMB Surfa...
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